/Aspose.OCR for .NET
Last active Jun 16, 2020
This Gist contains code snippets from examples of Aspose.OCR for .NET.
| This Gist contains code snippets from examples of Aspose.OCR for .NET. |
| // For complete examples and data files, please go to https://github.com/aspose-ocr/Aspose.OCR-for-.NET | |
| // Instantiate an instance of license and set the license file through its path | |
| Aspose.OCR.License license = new Aspose.OCR.License(); | |
| license.SetLicense("Aspose.OCR.lic"); |
| // For complete examples and data files, please go to https://github.com/aspose-ocr/Aspose.OCR-for-.NET | |
| // Instantiate an instance of license and set the license through a stream | |
| Aspose.OCR.License license = new Aspose.OCR.License(); | |
| license.SetLicense(myStream); |
| // For complete examples and data files, please go to https://github.com/aspose-ocr/Aspose.OCR-for-.NET | |
| if (ocr.Process()) | |
| { | |
| string resultString = Regex.Match(engine.Text, @"\d+").Value; //regular expression to extract numbers | |
| Console.WriteLine(resultString); | |
| } |
| // For complete examples and data files, please go to https://github.com/aspose-ocr/Aspose.OCR-for-.NET | |
| // The path to the documents directory. | |
| string dataDir = RunExamples.GetDataDir_OCR(); | |
| // Initialize an instance of OcrEngine | |
| OcrEngine ocrEngine = new OcrEngine(); | |
| // Clear notifier list | |
| ocrEngine.ClearNotifies(); | |
| // Clear recognition blocks | |
| ocrEngine.Config.ClearRecognitionBlocks(); | |
| // Add 3 rectangle blocks to user defined recognition blocks | |
| ocrEngine.Config.AddRecognitionBlock(RecognitionBlock.CreateTextBlock(27, 35, 857, 75)); | |
| ocrEngine.Config.AddRecognitionBlock(RecognitionBlock.CreateTextBlock(899, 104, 552, 63)); | |
| ocrEngine.Config.AddRecognitionBlock(RecognitionBlock.CreateTextBlock(702, 163, 623, 68)); | |
| // Ignore everything else on the image other than the user defined recognition blocks | |
| ocrEngine.Config.DetectTextRegions = false; | |
| // Set Image property by loading an image from file path | |
| ocrEngine.Image = ImageStream.FromFile(dataDir + "Sampleocr.bmp"); | |
| // Run recognition process | |
| if (ocrEngine.Process()) | |
| { | |
| // Retrieve user defined blocks that determines the page layout | |
| var blocks = ocrEngine.Config.RecognitionBlocks; | |
| // Loop over the list of blocks | |
| foreach (var block in blocks) | |
| { | |
| // Display if block is set to be recognized | |
| Console.WriteLine(block.ToRecognize); | |
| // Check if block has recognition data | |
| if (block.RecognitionData == null) | |
| { | |
| Console.WriteLine("Null{0}", Environment.NewLine); | |
| continue; | |
| } | |
| // Display dimension & size of rectangle that defines the recognition block | |
| Console.WriteLine("Block: {0}", block.Rectangle); | |
| if (block.RecognitionData is IRecognizedTextPartInfo) | |
| { | |
| // Display the recognition results | |
| IRecognizedTextPartInfo textPartInfo = (IRecognizedTextPartInfo)block.RecognitionData; | |
| Console.WriteLine("Text: {0}{1}", textPartInfo.Text, Environment.NewLine); | |
| } | |
| } | |
| } |
| // For complete examples and data files, please go to https://github.com/aspose-ocr/Aspose.OCR-for-.NET | |
| // The path to the documents directory. | |
| string dataDir = RunExamples.GetDataDir_OCR(); | |
| // Initialize an instance of OcrEngine | |
| OcrEngine ocrEngine = new OcrEngine(); | |
| // Set Image property by loading an image from file path | |
| ocrEngine.Image = ImageStream.FromFile(dataDir+ "Sampleocr.bmp"); | |
| // Create CorrectionFilters collection | |
| CorrectionFilters filters = new CorrectionFilters(); | |
| Filter filter = null; | |
| // Initialize Median filter | |
| filter = new MedianFilter(5); | |
| filters.Add(filter); | |
| // Create Gaussian Blur filter | |
| filter = new GaussBlurFilter(); | |
| filters.Add(filter); | |
| // Assign collection to OcrEngine | |
| ocrEngine.Config.CorrectionFilters = filters; | |
| // Run recognition process | |
| if (ocrEngine.Process()) | |
| { | |
| // Display results | |
| Console.WriteLine(ocrEngine.Text); | |
| } |
| // For complete examples and data files, please go to https://github.com/aspose-ocr/Aspose.OCR-for-.NET | |
| // The path to the documents directory. | |
| string dataDir = RunExamples.GetDataDir_OCR(); | |
| // Create an instance of OcrEngine class | |
| OcrEngine ocr = new OcrEngine(); | |
| // Set the Image property of OcrEngine by reading an image file | |
| ocr.Image = ImageStream.FromFile(dataDir + "SampleSpellingCorrection.jpg"); | |
| // Set the DoSpellingCorrection to true | |
| ocr.Config.DoSpellingCorrection = true; | |
| // Perform OCR operation | |
| if (ocr.Process()) | |
| { | |
| // Display results | |
| Console.WriteLine(ocr.Text); | |
| } |
| // For complete examples and data files, please go to https://github.com/aspose-ocr/Aspose.OCR-for-.NET | |
| // The path to the documents directory. | |
| string dataDir = RunExamples.GetDataDir_OCR() + "Sampleocr.bmp"; | |
| // Initialize an instance of OcrEngine. | |
| OcrEngine ocr = new OcrEngine(); | |
| // Set the Image property by loading the image from file path location. | |
| ocr.Image = ImageStream.FromFile(dataDir); | |
| // Set the SavePreprocessedImages property to false. | |
| ocr.Config.SavePreprocessedImages = false; | |
| if (ocr.Process()) | |
| { | |
| // Do processing | |
| Console.WriteLine(ocr.Text); | |
| } |
| // For complete examples and data files, please go to https://github.com/aspose-ocr/Aspose.OCR-for-.NET | |
| // The path to the documents directory. | |
| string dataDir = RunExamples.GetDataDir_OCR(); | |
| // Initialize an instance of OcrEngine | |
| OcrEngine ocrEngine = new OcrEngine(); | |
| // Retrieve the OcrConfig of the OcrEngine object | |
| OCRConfig ocrConfig = ocrEngine.Config; | |
| // Set the Whitelist property to recognize numbers only | |
| ocrConfig.Whitelist = new char[] { '1', '2', '3', '4', '5', '6', '7', '8', '9', '0' }; | |
| // Set the Image property of OcrEngine object | |
| ocrEngine.Image = ImageStream.FromFile(dataDir+ "SampleNumbers.jpg"); | |
| // Call the Process method to retrieve the results | |
| ocrEngine.Process(); | |
| Console.WriteLine("Output: " + ocrEngine.Text); |
| // For complete examples and data files, please go to https://github.com/aspose-ocr/Aspose.OCR-for-.NET | |
| // The path to the documents directory. | |
| string dataDir = RunExamples.GetDataDir_OCR(); | |
| // Create an instance of OcrEngine class | |
| OcrEngine ocr = new OcrEngine(); | |
| // Set the Image property of OcrEngine by reading an image file | |
| ocr.Image = ImageStream.FromFile(dataDir+ "Sampleocr.bmp"); | |
| // Set the DetectReadingOrder to true | |
| ocr.Config.DetectReadingOrder = true; | |
| // Perform OCR operation | |
| if (ocr.Process()) | |
| { | |
| // Display results | |
| Console.WriteLine(ocr.Text); | |
| } |
| // For complete examples and data files, please go to https://github.com/aspose-ocr/Aspose.OCR-for-.NET | |
| // The path to the documents directory. | |
| string dataDir = RunExamples.GetDataDir_OCR(); | |
| // Create an instance of OcrEngine class | |
| OcrEngine ocr = new OcrEngine(); | |
| // Set the Image property of OcrEngine by reading an image file | |
| ocr.Image = ImageStream.FromFile(dataDir+ "Sampleocr.bmp"); | |
| // Set the RemoveNonText to true | |
| ocr.Config.RemoveNonText = true; | |
| // Perform OCR operation | |
| if (ocr.Process()) | |
| { | |
| // Display results | |
| Console.WriteLine(ocr.Text); | |
| } |
| // For complete examples and data files, please go to https://github.com/aspose-ocr/Aspose.OCR-for-.NET | |
| // The path to the documents directory. | |
| string dataDir = RunExamples.GetDataDir_OCR(); | |
| // Create an instance of OcrEngine class | |
| OcrEngine ocr = new OcrEngine(); | |
| // Set the DetectTextRegions to true | |
| ocr.Config.DetectTextRegions = true; | |
| // Set the Image property of OcrEngine by reading an image file | |
| ocr.Image = ImageStream.FromFile(dataDir + "Sampleocr.bmp"); | |
| // Perform OCR operation on the image | |
| if (ocr.Process()) | |
| { | |
| // Display results | |
| Console.WriteLine(ocr.Text); | |
| } |
| // For complete examples and data files, please go to https://github.com/aspose-ocr/Aspose.OCR-for-.NET | |
| // The path to the documents directory. | |
| string dataDir = RunExamples.GetDataDir_OCR(); | |
| // Create an initialize an instance of OcrEngine | |
| OcrEngine engine = new OcrEngine(); | |
| // Set the OcrEngine.Image property by loading an image from disk, memory or URL | |
| engine.Image = ImageStream.FromFile(dataDir + "Sample.bmp"); | |
| // Create text recognition block by supplying X,Y coordinates and Width,Height values | |
| IRecognitionBlock block = RecognitionBlock.CreateTextBlock(6, 9, 120, 129); | |
| // Set the Whitelist property by specifying a new block whitelist | |
| block.Whitelist = new char[] { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9' }; | |
| // YOU CAN ADD MORE TEXT BLOCK AND SET WHITE LISTS. | |
| // Set different configurations and add recognition block(s) | |
| engine.Config.ClearRecognitionBlocks(); | |
| engine.Config.AddRecognitionBlock(block); | |
| engine.Config.DetectTextRegions = false; | |
| // Call OcrEngine.Process method to perform OCR operation | |
| if (engine.Process()) | |
| { | |
| // Display the recognized text from each Page | |
| Console.WriteLine(engine.Text); | |
| } |
| // For complete examples and data files, please go to https://github.com/aspose-ocr/Aspose.OCR-for-.NET | |
| // The path to the documents directory. | |
| string dataDir = RunExamples.GetDataDir_OCR(); | |
| // Initialize an instance of OcrEngine | |
| OcrEngine ocrEngine = new OcrEngine(); | |
| // Clear notifier list | |
| ocrEngine.ClearNotifies(); | |
| // Clear recognition blocks | |
| ocrEngine.Config.ClearRecognitionBlocks(); | |
| // Add 3 rectangle blocks to user defined recognition blocks | |
| ocrEngine.Config.AddRecognitionBlock(RecognitionBlock.CreateTextBlock(0, 10, 20, 40)); | |
| ocrEngine.Config.AddRecognitionBlock(RecognitionBlock.CreateTextBlock(0, 4, 5, 6)); | |
| ocrEngine.Config.AddRecognitionBlock(RecognitionBlock.CreateTextBlock(0, 5, 5, 6)); | |
| // Ignore everything else on the image other than the user defined recognition blocks | |
| ocrEngine.Config.DetectTextRegions = false; | |
| // Set Image property by loading an image from file path | |
| ocrEngine.Image = ImageStream.FromFile(dataDir+ "Sampleocr.bmp"); | |
| // Run recognition process | |
| if (ocrEngine.Process()) | |
| { | |
| // Retrieve user defined blocks that determines the paye layout | |
| var blocks = ocrEngine.Config.RecognitionBlocks; | |
| // Loop over the list of blocks | |
| foreach (var block in blocks) | |
| { | |
| // Display if block is set to be recognized | |
| Console.WriteLine(block.ToRecognize); | |
| // Check if block has recognition data | |
| if (block.RecognitionData == null) | |
| { | |
| Console.WriteLine("Null{0}", Environment.NewLine); | |
| continue; | |
| } | |
| // Display dimension & size of rectangle that defines the recognition block | |
| Console.WriteLine("Block: {0}", block.Rectangle); | |
| if (block.RecognitionData is IRecognizedTextPartInfo) | |
| { | |
| // Display the recognition results | |
| IRecognizedTextPartInfo textPartInfo = (IRecognizedTextPartInfo)block.RecognitionData; | |
| Console.WriteLine("Text: {0}{1}", textPartInfo.Text, Environment.NewLine); | |
| } | |
| } | |
| } |
| // For complete examples and data files, please go to https://github.com/aspose-ocr/Aspose.OCR-for-.NET | |
| // The path to the documents directory. | |
| string dataDir = RunExamples.GetDataDir_OCR(); | |
| // Initialize an instance of OcrEngine | |
| OcrEngine ocrEngine = new OcrEngine(); | |
| // Set the Image property by loading the image from file path location or an instance of MemoryStream | |
| ocrEngine.Image = ImageStream.FromFile(dataDir + "Sampleocr.bmp"); | |
| // Get an instance of WordNotifier, Write a delegate to handle the Elapsed event and Display the recognized text on screen | |
| INotifier processorBlock = NotifierFactory.BlockNotifier(); | |
| processorBlock.Elapsed += delegate | |
| { | |
| Console.WriteLine(processorBlock.Text); | |
| }; | |
| // Add the word processor to the OcrEngine and Process the image | |
| ocrEngine.AddNotifier(processorBlock); | |
| ocrEngine.Process(); |
| // For complete examples and data files, please go to https://github.com/aspose-ocr/Aspose.OCR-for-.NET | |
| // The path to the documents directory. | |
| string dataDir = RunExamples.GetDataDir_OCR(); | |
| // Initialize an instance of OcrEngine | |
| OcrEngine ocrEngine = new OcrEngine(); | |
| // Set the Image property by loading the image from file path location or an instance of MemoryStream | |
| ocrEngine.Image = ImageStream.FromFile(dataDir + "SampleText.jpg"); | |
| // Get an instance of WordNotifier, Write a delegate to handle the Elapsed event and Display the recognized text on screen | |
| INotifier processorBlock = NotifierFactory.BlockNotifier(); | |
| processorBlock.Elapsed += delegate | |
| { | |
| Console.WriteLine(processorBlock.Text); | |
| }; | |
| // Add the word processor to the OcrEngine and Process the image | |
| ocrEngine.AddNotifier(processorBlock); | |
| ocrEngine.Process(); |
| // For complete examples and data files, please go to https://github.com/aspose-ocr/Aspose.OCR-for-.NET | |
| // The path to the documents directory. | |
| string dataDir = RunExamples.GetDataDir_OCR(); | |
| // Load template file | |
| OmrTemplate template = OmrTemplate.Load(dataDir + "questions.amr"); | |
| // Load the image to be analyzed | |
| OmrImage image = OmrImage.Load(dataDir + "answers.jpg"); | |
| // Set the auto image resolution detection property | |
| image.AutoDetectResolution = true; | |
| // Instantiate the recognition engine for the template | |
| OmrEngine engine = new OmrEngine(template); | |
| // Extract data. This template has only one page. | |
| OmrProcessingResult result = engine.ExtractData(new OmrImage[] { image }); | |
| // Load actual result from | |
| Hashtable OmrResult = result.PageData[0]; | |
| // Get Collection of Keys | |
| ICollection key = OmrResult.Keys; | |
| foreach (string k in key) | |
| { | |
| Console.WriteLine(k + ": " + OmrResult[k]); | |
| } |
| // For complete examples and data files, please go to https://github.com/aspose-ocr/Aspose.OCR-for-.NET | |
| // The path to the documents directory. | |
| string dataDir = RunExamples.GetDataDir_OCR(); | |
| // Load template file | |
| OmrTemplate template = OmrTemplate.Load(dataDir + "questions.amr"); | |
| // Iterate over the pages in template | |
| foreach (OmrPage page in template.Pages) | |
| { | |
| // Get elements of each page | |
| OmrElementsCollection collection = page.Elements; | |
| // Iterate over the element collection | |
| foreach (Object obj in collection) | |
| { | |
| // Display element name | |
| Console.WriteLine(obj.GetType().ToString()); | |
| } | |
| } |
| // For complete examples and data files, please go to https://github.com/aspose-ocr/Aspose.OCR-for-.NET | |
| // The path to the documents directory. | |
| string dataDir = RunExamples.GetDataDir_OCR(); | |
| // Load template file | |
| OmrTemplate template = OmrTemplate.Load(dataDir + "questions.amr"); | |
| // Load the image to be analyzed | |
| OmrImage image = OmrImage.Load(dataDir + "answers.jpg"); | |
| // Instantiate the recognition engine for the template | |
| OmrEngine engine = new OmrEngine(template); | |
| // Extract data. This template has only one page. | |
| OmrProcessingResult result = engine.ExtractData(new OmrImage[] { image }); | |
| // Load actual result from | |
| Hashtable OmrResult = result.PageData[0]; | |
| // Get Collection of Keys | |
| ICollection key = OmrResult.Keys; | |
| foreach (string k in key) | |
| { | |
| Console.WriteLine(k + ": " + OmrResult[k]); | |
| } |
| // For complete examples and data files, please go to https://github.com/aspose-ocr/Aspose.OCR-for-.NET | |
| // The path to the documents directory. | |
| string dataDir = RunExamples.GetDataDir_OCR(); | |
| // Load template file | |
| OmrTemplate template = OmrTemplate.Load(dataDir + "questions.amr"); | |
| // Load the image to be analyzed | |
| OmrImage image = OmrImage.Load(dataDir + "answers.jpg"); | |
| // Set resource for TextOcrElement | |
| TextOcrElement.Resource = dataDir + "Aspose.OCR.Spanish.Resources.zip"; | |
| // Create an instance of TextOcrElement and initialize it by specifying the location of text and its size in mm | |
| TextOcrElement textElement = new TextOcrElement("OCR Text", new PointF(23.6f, 15.5f), new SizeF(14.6f, 4.7f)); | |
| // Add the TextOcrElement to the page element collection | |
| template.Pages[0].Elements.Add(textElement); | |
| // Create an instance of OmrEngine and load the template using file path | |
| OmrEngine engine = new OmrEngine(template); | |
| // Extract OMR data and store the results in an instance of OmrProcessingResults | |
| OmrProcessingResult result = engine.ExtractData(new OmrImage[] { image }); | |
| // Get all page data into an instance of Hashtable | |
| Hashtable[] pages = result.PageData; | |
| // Loop over all the pages | |
| foreach (Hashtable page in pages) | |
| { | |
| // Display key and value | |
| foreach (string key in page.Keys) | |
| { | |
| Console.WriteLine("key: " + key + ": " + "value: " + page[key]); | |
| } | |
| } |
| // For complete examples and data files, please go to https://github.com/m-ikramulhaq/Aspose.OCR-for-.NET | |
| // Create an instance of Metered class | |
| Metered matered = new Metered(); | |
| // Set public & private keys | |
| matered.SetMeteredKey("publicKeyValue", "privateKeyValue"); | |
| // Get consumed quantity before calling any API method | |
| decimal amountBefore = Metered.GetConsumptionQuantity(); | |
| // Display value | |
| Console.WriteLine(amountBefore.ToString()); | |
| // DO PROCDESSING | |
| // The path to the documents directory | |
| //string dataDir = RunExamples.GetDataDir_OCR(); | |
| // Create an instance of OmrEngine and load the template using file path | |
| //OmrEngine omr = new OmrEngine(new OmrTemplate()); | |
| //string path = dataDir + "sampleimage.png"; | |
| //OmrImage omrImage = OmrImage.Load(path); | |
| ////Since upload data is running on another thread, so we need wait some time | |
| //Thread.Sleep(10000); | |
| // Get consumed quantity after calling any API method | |
| decimal amountAfter = Metered.GetConsumptionQuantity(); | |
| // Display value | |
| Console.WriteLine(amountAfter.ToString()); | |
| // For complete examples and data files, please go to https://github.com/aspose-ocr/Aspose.OCR-for-.NET | |
| // The path to the documents directory. | |
| string dataDir = RunExamples.GetDataDir_OCR(); | |
| // Load template file | |
| OmrTemplate template = OmrTemplate.Load(dataDir + "questions.amr"); | |
| // Load the image to be analyzed | |
| OmrImage image = OmrImage.Load(dataDir + "answers.jpg"); | |
| // Get the first page of the template | |
| OmrPage page = template.Pages[0]; | |
| // Create an element by passing the name, location and size | |
| GridElement element = new GridElement("grid1", new PointF(10, 20), new SizeF(60, 30)); | |
| // Add element to the page | |
| page.Elements.Add(element); | |
| // Create configuration for the element | |
| element.Configuration = new OmrConfig(); | |
| // Set the TrimWhitePixels to false | |
| element.Configuration.TrimWhitePixels = false; | |
| // Create an instance of OmrEngine and pass object of OmrTemplate as parameter | |
| OmrEngine engine = new OmrEngine(template); | |
| // Extract the data | |
| OmrProcessingResult result = engine.ExtractData(new OmrImage[] { image }); |
| // For complete examples and data files, please go to https://github.com/aspose-ocr/Aspose.OCR-for-.NET | |
| // The path to the documents directory. | |
| string dataDir = RunExamples.GetDataDir_OCR(); | |
| // Load template file | |
| OmrTemplate template = OmrTemplate.Load(dataDir + "questions.amr"); | |
| // Load the image to be analyzed | |
| OmrImage image = OmrImage.Load(dataDir + "answers.jpg"); | |
| // Define new value of image resolution in decimal format | |
| image.Resolution = 100.0; | |
| // Instantiate the recognition engine for the template | |
| OmrEngine engine = new OmrEngine(template); | |
| // Extract data. This template has only one page. | |
| OmrProcessingResult result = engine.ExtractData(new OmrImage[] { image }); | |
| // Load actual result from | |
| Hashtable OmrResult = result.PageData[0]; | |
| // Get Collection of Keys | |
| ICollection key = OmrResult.Keys; | |
| foreach (string k in key) | |
| { | |
| Console.WriteLine(k + ": " + OmrResult[k]); | |
| } |
| // For complete examples and data files, please go to https://github.com/aspose-ocr/Aspose.OCR-for-.NET | |
| // The path to the documents directory. | |
| string dataDir = RunExamples.GetDataDir_OCR(); | |
| // Load template file | |
| OmrTemplate template = OmrTemplate.Load(dataDir + "questions.amr"); | |
| // Load the image to be analyzed | |
| OmrImage image = OmrImage.Load(dataDir + "answers.jpg"); | |
| // Get the first page of the template | |
| OmrPage page = template.Pages[0]; | |
| // Create page configurations | |
| page.Configuration = new OmrConfig(); | |
| // Set fill threshold | |
| page.Configuration.FillThreshold = 0.21; | |
| // Create an instance of OmrEngine and pass object of OmrTemplate as parameter | |
| OmrEngine engine = new OmrEngine(template); | |
| // Extract the data | |
| OmrProcessingResult result = engine.ExtractData(new OmrImage[] { image }); |
| // For complete examples and data files, please go to https://github.com/aspose-ocr/Aspose.OCR-for-.NET | |
| // The path to the documents directory. | |
| string dataDir = RunExamples.GetDataDir_OCR(); | |
| // Load template file | |
| OmrTemplate template = OmrTemplate.Load(dataDir + "questions.amr"); | |
| // Load the image to be analyzed | |
| OmrImage image = OmrImage.Load(dataDir + "answers.jpg"); | |
| // Create an instance of OmrEngine and pass object of OmrTemplate as parameter | |
| OmrEngine engine = new OmrEngine(template); | |
| // Get the configurations of OmrEngine | |
| OmrConfig config = engine.Configuration; | |
| // Set fill threshold | |
| config.FillThreshold = 0.12; | |
| // Extract the data | |
| OmrProcessingResult result = engine.ExtractData(new OmrImage[] { image }); |
| // For complete examples and data files, please go to https://github.com/aspose-ocr/Aspose.OCR-for-.NET | |
| // The path to the documents directory. | |
| string dataDir = RunExamples.GetDataDir_OCR(); | |
| // Load the image to be analyzed | |
| OmrImage image = OmrImage.Load(dataDir + "answers.jpg"); | |
| OmrEngine engine = new OmrEngine(new OmrTemplate()); | |
| // Get skew degree of the image | |
| double degree = engine.GetSkewDegree(image); | |
| // Rotate image to correct skew | |
| engine.RotateImage(ref image, degree); | |
| // Save image | |
| image.AsBitmap().Save(dataDir + "result_out.jpg"); |
| // For complete examples and data files, please go to https://github.com/aspose-ocr/Aspose.OCR-for-.NET | |
| // The path to the documents directory. | |
| string dataDir = RunExamples.GetDataDir_OCR(); | |
| // Load template file | |
| OmrTemplate template = OmrTemplate.Load(dataDir + "questions.amr"); | |
| // Load the image to be analyzed | |
| OmrImage image = OmrImage.Load(dataDir + "answers.jpg"); | |
| // Area of the image to be processed | |
| Rectangle area = new Rectangle(0, 0, image.Width, image.Height); | |
| // Grayscale conversion | |
| GrayscaleAlgorithm gs = new GrayscaleAlgorithm(); | |
| gs.Process(image, area); | |
| // Binarization | |
| AverageThresholdAlgorithm threshold = new AverageThresholdAlgorithm(); | |
| threshold.Process(image, area); | |
| // Skew correction | |
| SkewCorrectionAlgorithm skewCorrection = new SkewCorrectionAlgorithm(); | |
| skewCorrection.Process(ref image, area); | |
| // save image | |
| image.AsBitmap().Save(dataDir + "result_out.jpg"); |
| // For complete examples and data files, please go to https://github.com/aspose-ocr/Aspose.OCR-for-.NET | |
| // The path to the documents directory. | |
| string dataDir = RunExamples.GetDataDir_OCR(); | |
| // Initialize an instance of AsposeOcr | |
| AsposeOcr api = new AsposeOcr(); | |
| // Calculate Angle | |
| float angle = api.CalculateSkew(dataDir + "skew_image.png"); | |
| // Display the result | |
| Console.WriteLine(angle); |
| // For complete examples and data files, please go to https://github.com/aspose-ocr/Aspose.OCR-for-.NET | |
| // The path to the documents directory. | |
| string dataDir = RunExamples.GetDataDir_OCR(); | |
| float angle = 0; | |
| // Initialize an instance of AsposeOcr | |
| AsposeOcr api = new AsposeOcr(); | |
| // Calculate Angle | |
| using (MemoryStream ms = new MemoryStream()) | |
| using (FileStream file = new FileStream(dataDir + "skew_image.png", FileMode.Open, FileAccess.Read)) | |
| { | |
| file.CopyTo(ms); | |
| angle = api.CalculateSkew(ms); | |
| } | |
| // Display the result | |
| Console.WriteLine(angle); |
| // For complete examples and data files, please go to https://github.com/aspose-ocr/Aspose.OCR-for-.NET | |
| // The path to the documents directory. | |
| string dataDir = RunExamples.GetDataDir_OCR(); | |
| // Initialize an instance of OcrEngine | |
| OcrEngine ocrEngine = new OcrEngine(); | |
| // Set Image property by loading an image from file path | |
| ocrEngine.Image = ImageStream.FromFile(dataDir+ "Sampleocr.bmp"); | |
| // Remove non-textual blocks | |
| ocrEngine.Config.RemoveNonText = true; | |
| // Run recognition process | |
| if (ocrEngine.Process()) | |
| { | |
| // Display text block locations | |
| foreach (IRecognizedPartInfo part in ocrEngine.Text.PartsInfo) | |
| { | |
| Console.WriteLine(part.Box); | |
| } | |
| } |
| // For complete examples and data files, please go to https://github.com/aspose-ocr/Aspose.OCR-for-.NET | |
| // The path to the documents directory. | |
| string dataDir = RunExamples.GetDataDir_OCR(); | |
| // Initialize an instance of OcrEngine | |
| OcrEngine ocrEngine = new OcrEngine(); | |
| // Clear notifier list | |
| ocrEngine.ClearNotifies(); | |
| // Clear recognition blocks | |
| ocrEngine.Config.ClearRecognitionBlocks(); | |
| // Add 2 rectangles to user defined recognition blocks | |
| // Valid license is required for Multiple Recognition Blocks | |
| ocrEngine.Config.AddRecognitionBlock(RecognitionBlock.CreateTextBlock(27, 35, 857, 75)); | |
| ocrEngine.Config.AddRecognitionBlock(RecognitionBlock.CreateTextBlock(899, 104, 552, 63)); | |
| // Ignore everything else on the image other than the user defined recognition blocks | |
| ocrEngine.Config.DetectTextRegions = false; | |
| // Set Image property by loading an image from file path | |
| ocrEngine.Image = ImageStream.FromFile(dataDir + "Sampleocr.bmp"); | |
| // Run recognition process | |
| if (ocrEngine.Process()) | |
| { | |
| Console.WriteLine(ocrEngine.Text); | |
| } |
| // For complete examples and data files, please go to https://github.com/aspose-ocr/Aspose.OCR-for-.NET | |
| // The path to the documents directory. | |
| string dataDir = RunExamples.GetDataDir_OCR(); | |
| // Initialize an instance of OcrEngine | |
| OcrEngine ocrEngine = new OcrEngine(); | |
| // set SavePreprocessedImages to true to save preprocessed images | |
| ocrEngine.Config.SavePreprocessedImages = true; | |
| // Set the Image property by loading the image from file path location or an instance of Stream | |
| ocrEngine.Image = ImageStream.FromFile(dataDir + "Sample.jpg"); | |
| if (ocrEngine.Process()) | |
| { | |
| //Save binarized image on disc | |
| ocrEngine.PreprocessedImages.BinarizedImage.Save(dataDir + "Output\\BinarizedImage.png", System.Drawing.Imaging.ImageFormat.Png); | |
| //Save filtered image on disc | |
| ocrEngine.PreprocessedImages.FilteredImage.Save(dataDir + "Output\\FilteredImage.png", System.Drawing.Imaging.ImageFormat.Png); | |
| //Save image after removing non-textual fragments | |
| ocrEngine.PreprocessedImages.NonTextRemovedImage.Save(dataDir + "Output\\NonTextRemovedImage.png", System.Drawing.Imaging.ImageFormat.Png); | |
| //Save image after skew correction | |
| ocrEngine.PreprocessedImages.RotatedImage.Save(dataDir + "Output\\RotatedImage.png", System.Drawing.Imaging.ImageFormat.Png); | |
| //Save image after textual block detection | |
| ocrEngine.PreprocessedImages.TextBlocksImage.Save(dataDir + "Output\\TextBlocksImage.png", System.Drawing.Imaging.ImageFormat.Png); | |
| } | |
| Console.WriteLine(ocrEngine.Text); |
| // For complete examples and data files, please go to https://github.com/aspose-ocr/Aspose.OCR-for-.NET | |
| // The path to the documents directory. | |
| string dataDir = RunExamples.GetDataDir_OCR(); | |
| // Initialize an instance of OcrEngine | |
| OcrEngine ocrEngine = new OcrEngine(); | |
| // Set Image property by loading an image from file path | |
| ocrEngine.Image = ImageStream.FromFile(dataDir + "Sampleocr.bmp"); | |
| // Run recognition process | |
| if (ocrEngine.Process()) | |
| { | |
| Console.WriteLine(ocrEngine.Text); | |
| // Retrieve an array of recognized text by parts | |
| IRecognizedPartInfo[] text = ocrEngine.Text.PartsInfo; | |
| // Iterate over the text parts | |
| foreach (var recognizedPartInfo in text) | |
| { | |
| var symbol = (IRecognizedTextPartInfo)recognizedPartInfo; | |
| // Display the part information | |
| Console.WriteLine("Symbol:" + symbol.Text); | |
| // Get the rectangle sourronding the symbol | |
| Rectangle box = symbol.Box; | |
| // Display the rectangle location on the image canvas | |
| Console.WriteLine("Box Location:" + box.Location); | |
| // Display the rectangle dimensions | |
| Console.WriteLine("Box Size:" + box.Size); | |
| } | |
| } |
| // For complete examples and data files, please go to https://github.com/aspose-ocr/Aspose.OCR-for-.NET | |
| // The path to the documents directory. | |
| string dataDir = RunExamples.GetDataDir_OCR(); | |
| // Initialize an instance of OcrEngine | |
| OcrEngine ocrEngine = new OcrEngine(); | |
| // Set the Image property by loading the image from file path location or an instance of MemoryStream | |
| ocrEngine.Image = ImageStream.FromFile(dataDir + "Sampleocr.bmp"); | |
| // Process the image | |
| if (ocrEngine.Process()) | |
| { | |
| // Retrieve the first block of the recognized text part | |
| IRecognizedTextPartInfo firstBlock = (ocrEngine.Text.PartsInfo[0] as IRecognizedTextPartInfo); | |
| // Get the children of the first block that will be the lines in the block | |
| if (firstBlock != null) | |
| { | |
| IRecognizedPartInfo[] linesOfFirstBlock = firstBlock.Children; | |
| // Retrieve the fist line from the collection of lines | |
| IRecognizedTextPartInfo firstLine = (linesOfFirstBlock[0] as IRecognizedTextPartInfo); | |
| // Display the level of line | |
| if (firstLine != null) | |
| { | |
| Console.WriteLine(firstLine.Level); | |
| // Retrieve the fist word from the collection of words | |
| IRecognizedTextPartInfo firstWord = (firstLine.Children[0] as IRecognizedTextPartInfo); | |
| // Display the level of word | |
| Console.WriteLine(firstWord.Level); | |
| // Retrieve the fist character from the collection of characters | |
| IRecognizedTextPartInfo firstCharacter = (firstWord.Children[0] as IRecognizedTextPartInfo); | |
| // Display the level of character | |
| Console.WriteLine(firstCharacter.Level); | |
| } | |
| } | |
| } |
| // For complete examples and data files, please go to https://github.com/aspose-ocr/Aspose.OCR-for-.NET | |
| // The path to the documents directory. | |
| string dataDir = RunExamples.GetDataDir_OCR(); | |
| // Initialize an instance of OcrEngine | |
| OcrEngine ocrEngine = new OcrEngine(); | |
| // Set the Image property by loading the image from file path location or an instance of MemoryStream | |
| ocrEngine.Image = ImageStream.FromFile(dataDir+ "Sample.jpg"); | |
| // Get an instance of INotifier | |
| INotifier processorWord = NotifierFactory.WordNotifier(); | |
| //Write a delegate to handle the Elapsed event | |
| processorWord.Elapsed += delegate | |
| { | |
| // Display the recognized text on screen | |
| Console.WriteLine(processorWord.Text); | |
| }; | |
| // Add the word processor to the OcrEngine | |
| ocrEngine.AddNotifier(processorWord); | |
| // Process the image | |
| ocrEngine.Process(); |
| // For complete examples and data files, please go to https://github.com/aspose-ocr/Aspose.OCR-for-.NET | |
| // The path to the documents directory. | |
| string dataDir = RunExamples.GetDataDir_OCR(); | |
| // Initialize an instance of OcrEngine | |
| OcrEngine ocrEngine = new OcrEngine(); | |
| // Set the Image property by loading the image from file path location or an instance of MemoryStream | |
| ocrEngine.Image = ImageStream.FromFile(dataDir+ "Sampleocr.bmp"); | |
| // Get an instance of INotifier | |
| INotifier processorWord = NotifierFactory.WordNotifier(); | |
| //Write a delegate to handle the Elapsed event | |
| processorWord.Elapsed += delegate | |
| { | |
| // Display the recognized text on screen | |
| Console.WriteLine(processorWord.Text); | |
| }; | |
| // Add the word processor to the OcrEngine | |
| ocrEngine.AddNotifier(processorWord); | |
| // Process the image | |
| ocrEngine.Process(); |
| // For complete examples and data files, please go to https://github.com/aspose-ocr/Aspose.OCR-for-.NET | |
| // Initialize an instance of OcrEngine | |
| OcrEngine ocrEngine = new OcrEngine(); | |
| // Set the Image property by loading the image from remote location | |
| ocrEngine.Image = ImageStream.FromUrl("https://blog.aspose.com/wp-content/uploads/sites/2/2019/03/SampleTextOnline.jpg"); | |
| // Run recognition process | |
| if (ocrEngine.Process()) | |
| { | |
| // Display the recognized text | |
| Console.WriteLine(ocrEngine.Text); | |
| } |
| // For complete examples and data files, please go to https://github.com/aspose-ocr/Aspose.OCR-for-.NET | |
| string templateUrl = "https://Github.com/asposeocr/Aspose_OCR_NET/raw/master/Examples/Data/OCR/questions.amr"; | |
| string imageUrl = "https://Github.com/asposeocr/Aspose_OCR_NET/raw/master/Examples/Data/OCR/answers.jpg"; | |
| // Initialize an instance of OmrTemplate by loading the OMR template from URL | |
| OmrTemplate template = OmrTemplate.LoadFromUrl(templateUrl); | |
| // image loading from url | |
| OmrImage image = OmrImage.LoadFromUrl(imageUrl); | |
| // continue working with template and image as usual | |
| OmrEngine engine = new OmrEngine(template); | |
| OmrProcessingResult result = engine.ExtractData(new OmrImage[] { image }); | |
| // Get all page data into an instance of Hashtable | |
| Hashtable[] pages = result.PageData; | |
| // Loop over all the pages | |
| foreach (Hashtable page in pages) | |
| { | |
| // Display key and value | |
| foreach (string key in page.Keys) | |
| { | |
| Console.WriteLine("[KEY] " + key + " => " + "[VALUE] " + page[key]); | |
| } | |
| } |
| // For complete examples and data files, please go to https://github.com/aspose-ocr/Aspose.OCR-for-.NET | |
| // The path to the documents directory. | |
| string dataDir = RunExamples.GetDataDir_OCR() + "SampleTiff.tiff"; | |
| // Create an initialize an instance of OcrEngine | |
| OcrEngine engine = new OcrEngine(); | |
| // Set the OcrEngine.Image property by loading a multipage TIFF from disk, memory or URL | |
| engine.Image = ImageStream.FromFile(dataDir); | |
| // Set OcrEngine.ProcessAllPages to true in order to process all pages of TIFF in single run | |
| engine.ProcessAllPages = true; | |
| // Call OcrEngine.Process method to perform OCR operation | |
| if (engine.Process()) | |
| { | |
| // Retrieve the list of Pages | |
| Page[] pages = engine.Pages; | |
| // Iterate over the list of Pages | |
| foreach (Page page in pages) | |
| { | |
| // Display the recognized text from each Page | |
| Console.WriteLine(page.PageText); | |
| } | |
| } |
| // For complete examples and data files, please go to https://github.com/aspose-ocr/Aspose.OCR-for-.NET | |
| // The path to the documents directory. | |
| string dataDir = RunExamples.GetDataDir_OCR(); | |
| // Initialize an instance of AsposeOcr | |
| AsposeOcr api = new AsposeOcr(); | |
| // Recognize image | |
| string result = api.RecognizeImage(dataDir + "Sampleocr.bmp"); | |
| // Display the recognized text | |
| Console.WriteLine(result); |
| // For complete examples and data files, please go to https://github.com/aspose-ocr/Aspose.OCR-for-.NET | |
| // The path to the documents directory. | |
| string dataDir = RunExamples.GetDataDir_OCR(); | |
| // Initialize an instance of OcrEngine | |
| OcrEngine ocrEngine = new OcrEngine(); | |
| // Set the Image property by loading the image from file path location or an instance of MemoryStream | |
| ocrEngine.Image = ImageStream.FromFile(dataDir + "Sampleocr.bmp"); | |
| // Process the image | |
| if (ocrEngine.Process()) | |
| { | |
| // Display the recognized text | |
| Console.WriteLine(ocrEngine.Text); | |
| } |
| // For complete examples and data files, please go to https://github.com/aspose-ocr/Aspose.OCR-for-.NET | |
| // The path to the documents directory. | |
| string dataDir = RunExamples.GetDataDir_OCR(); | |
| //Create an instance of Document to load the PDF | |
| var pdfDocument = new Aspose.Pdf.Document(dataDir + "Sample.pdf"); | |
| //Create an instance of OcrEngine for recognition | |
| var ocrEngine = new Aspose.OCR.OcrEngine(); | |
| //Iterate over the pages of PDF | |
| for (int pageCount = 1; pageCount <= pdfDocument.Pages.Count; pageCount++) | |
| { | |
| //Creating a MemoryStream to hold the image temporarily | |
| using (var imageStream = new System.IO.MemoryStream()) | |
| { | |
| //Create Resolution object with DPI value | |
| var resolution = new Aspose.Pdf.Devices.Resolution(300); | |
| //Create JPEG device with specified attributes (Width, Height, Resolution, Quality) | |
| //where Quality [0-100], 100 is Maximum | |
| var jpegDevice = new Aspose.Pdf.Devices.JpegDevice(resolution, 100); | |
| //Convert a particular page and save the image to stream | |
| jpegDevice.Process(pdfDocument.Pages[pageCount], imageStream); | |
| imageStream.Position = 0; | |
| //Set Image property of OcrEngine to the stream obtained from previous step | |
| ocrEngine.Image = Aspose.OCR.ImageStream.FromStream(imageStream, Aspose.OCR.ImageStreamFormat.Jpg); | |
| //Perform OCR operation on one page at a time | |
| if (ocrEngine.Process()) | |
| { | |
| Console.WriteLine(ocrEngine.Text); | |
| } | |
| } | |
| } |
| // For complete examples and data files, please go to https://github.com/aspose-ocr/Aspose.OCR-for-.NET | |
| // The path to the documents directory. | |
| string dataDir = RunExamples.GetDataDir_OCR(); | |
| // Initialize an instance of AsposeOcr | |
| AsposeOcr api = new AsposeOcr(); | |
| // Recognize image | |
| List<Rectangle> rects = new List<Rectangle>() | |
| { | |
| new Rectangle(138, 352, 2033, 537), | |
| new Rectangle(147, 890, 2033, 1157), | |
| new Rectangle(923, 2045, 465, 102), | |
| new Rectangle(104, 2147, 2076, 819) | |
| }; | |
| List<string> listResult = api.RecognizeImage(dataDir + "sample.png", rects); | |
| // Display the recognized text | |
| foreach (string s in listResult) | |
| { | |
| Console.WriteLine(s); | |
| } |
| // For complete examples and data files, please go to https://github.com/aspose-ocr/Aspose.OCR-for-.NET | |
| // The path to the documents directory. | |
| string dataDir = RunExamples.GetDataDir_OCR(); | |
| // Initialize an instance of OcrEngine | |
| OcrEngine ocrEngine = new OcrEngine(); | |
| // Set Image property by loading an image from file path | |
| ocrEngine.Image = ImageStream.FromFile(dataDir+ "Sampleocr.bmp"); | |
| // Run recognition process | |
| if (ocrEngine.Process()) | |
| { | |
| Console.WriteLine(ocrEngine.Text); | |
| // Retrieve an array of recognized text by parts | |
| IRecognizedPartInfo[] text = ocrEngine.Text.PartsInfo; | |
| // Iterate over the text parts | |
| foreach (IRecognizedTextPartInfo symbol in text) | |
| { | |
| // Display part intomation | |
| Console.WriteLine("Text : " + symbol.Text); | |
| Console.WriteLine("isItalic : " + symbol.Italic); | |
| Console.WriteLine("Language : " + symbol.Language); | |
| } | |
| } |
| // For complete examples and data files, please go to https://github.com/aspose-ocr/Aspose.OCR-for-.NET | |
| // The path to the documents directory. | |
| string dataDir = RunExamples.GetDataDir_OCR(); | |
| string result = ""; | |
| // Initialize an instance of AsposeOcr | |
| AsposeOcr api = new AsposeOcr(); | |
| // Recognize image | |
| using (MemoryStream ms = new MemoryStream()) | |
| using (FileStream file = new FileStream(dataDir + "sample.png", FileMode.Open, FileAccess.Read)) | |
| { | |
| file.CopyTo(ms); | |
| result = api.RecognizeImage(ms); | |
| } | |
| // Display the recognized text | |
| Console.WriteLine(result); |
| // For complete examples and data files, please go to https://github.com/aspose-ocr/Aspose.OCR-for-.NET | |
| // The path to the documents directory. | |
| string dataDir = RunExamples.GetDataDir_OCR(); | |
| // Initialize an instance of AsposeOcr | |
| AsposeOcr api = new AsposeOcr(); | |
| // Recognize image | |
| string result = api.RecognizeImage(dataDir + "sample.png", false); | |
| // Display the recognized text | |
| Console.WriteLine(result); |
| // For complete examples and data files, please go to https://github.com/aspose-ocr/Aspose.OCR-for-.NET | |
| // The path to the documents directory. | |
| string dataDir = RunExamples.GetDataDir_OCR(); | |
| // Initialize an instance of AsposeOcr | |
| AsposeOcr api = new AsposeOcr(); | |
| // Recognize image | |
| string result = api.RecognizeImage(dataDir + "sample.png", true, false); | |
| // Display the recognized text | |
| Console.WriteLine(result); |
| // For complete examples and data files, please go to https://github.com/aspose-ocr/Aspose.OCR-for-.NET | |
| // The path to the documents directory. | |
| string dataDir = RunExamples.GetDataDir_OCR(); | |
| // Initialize an instance of AsposeOcr | |
| AsposeOcr api = new AsposeOcr(); | |
| // Recognize image | |
| string result = api.RecognizeLine(dataDir + "sample_line.png"); | |
| // Display the recognized text | |
| Console.WriteLine(result); |
| // For complete examples and data files, please go to https://github.com/aspose-ocr/Aspose.OCR-for-.NET | |
| // The path to the documents directory. | |
| string dataDir = RunExamples.GetDataDir_OCR(); | |
| // Initialize an instance of AsposeOcr | |
| AsposeOcr api = new AsposeOcr(); | |
| // Recognize image | |
| List<Rectangle> rects = new List<Rectangle>() | |
| { | |
| new Rectangle(138, 352, 2033, 537), | |
| new Rectangle(147, 890, 2033, 1157), | |
| new Rectangle(923, 2045, 465, 102), | |
| new Rectangle(104, 2147, 2076, 819) | |
| }; | |
| string result = api.RecognizeImage(dataDir + "sample.png", rects[0]); | |
| // Display the recognized text | |
| Console.WriteLine(result); |
| // For complete examples and data files, please go to https://github.com/aspose-ocr/Aspose.OCR-for-.NET | |
| // The path to the documents directory. | |
| string dataDir = RunExamples.GetDataDir_OCR(); | |
| // Initialize an instance of AsposeOcr with allowed symbols | |
| AsposeOcr api = new AsposeOcr("0123456789"); | |
| // Recognize image | |
| string result = api.RecognizeLine(dataDir + "0001460985.Jpeg"); | |
| // Display the recognized text | |
| Console.WriteLine(result); |
| // For complete examples and data files, please go to https://github.com/aspose-ocr/Aspose.OCR-for-.NET | |
| // The path to the documents directory. | |
| string dataDir = RunExamples.GetDataDir_OCR(); | |
| // Initialize an instance of AsposeOcr | |
| AsposeOcr api = new AsposeOcr(); | |
| // Recognize image | |
| string result = api.RecognizeImage(dataDir + "SpanishOCR.bmp"); | |
| // Display the recognized text | |
| Console.WriteLine(result); |
| // For complete examples and data files, please go to https://github.com/aspose-ocr/Aspose.OCR-for-.NET | |
| // The path to the documents directory. | |
| string dataDir = RunExamples.GetDataDir_OCR(); | |
| // Initialize an instance of OcrEngine | |
| OcrEngine ocrEngine = new OcrEngine(); | |
| // Set the Image property by loading the image from file path location or an instance of Stream | |
| ocrEngine.Image = ImageStream.FromFile(dataDir + "SpanishOCR.bmp"); | |
| // Clear the default language (English) | |
| ocrEngine.LanguageContainer.Clear(); | |
| // Load the resources of the language from file path location or an instance of Stream | |
| ocrEngine.LanguageContainer.AddLanguage(LanguageFactory.Load(dataDir + "Aspose.OCR.Spanish.Resources.zip")); | |
| // Process the image | |
| if (ocrEngine.Process()) | |
| { | |
| // Display the recognized text | |
| Console.WriteLine(ocrEngine.Text); | |
| } |
| ' For complete examples and data files, please go to https://github.com/aspose-ocr/Aspose.OCR-for-.NET | |
| ' Instantiate an instance of license and set the license file through its path | |
| Dim license As Aspose.OCR.License = New Aspose.OCR.License() | |
| license.SetLicense("Aspose.OCR.lic") |
| ' For complete examples and data files, please go to https://github.com/aspose-ocr/Aspose.OCR-for-.NET | |
| ' Instantiate an instance of license and set the license through a stream | |
| Dim license As Aspose.OCR.License = New Aspose.OCR.License() | |
| license.SetLicense(myStream) |
| ' For complete examples and data files, please go to https://github.com/aspose-ocr/Aspose.OCR-for-.NET | |
| If ocr.Process() Then | |
| Dim resultString As String = Regex.Match(engine.Text, "\d+").Value 'regular expression to extract numbers | |
| Console.WriteLine(resultString) | |
| End If |
| ' For complete examples and data files, please go to https://github.com/aspose-ocr/Aspose.OCR-for-.NET | |
| ' The path to the documents directory. | |
| Dim dataDir As String = RunExamples.GetDataDir_OMR() | |
| ' Initialize an instance of OcrEngine | |
| Dim ocrEngine As New OcrEngine() | |
| ' Clear notifier list | |
| ocrEngine.ClearNotifies() | |
| ' Clear recognition blocks | |
| ocrEngine.Config.ClearRecognitionBlocks() | |
| ' Add 3 rectangle blocks to user defined recognition blocks | |
| ocrEngine.Config.AddRecognitionBlock(RecognitionBlock.CreateTextBlock(0, 10, 20, 40)) | |
| ocrEngine.Config.AddRecognitionBlock(RecognitionBlock.CreateTextBlock(0, 4, 5, 6)) | |
| ocrEngine.Config.AddRecognitionBlock(RecognitionBlock.CreateTextBlock(0, 5, 5, 6)) | |
| ' Ignore everything else on the image other than the user defined recognition blocks | |
| ocrEngine.Config.DetectTextRegions = False | |
| ' Set Image property by loading an image from file path | |
| ocrEngine.Image = ImageStream.FromFile(dataDir & Convert.ToString("sample1.jpg")) | |
| ' Run recognition process | |
| If ocrEngine.Process() Then | |
| ' Retrieve user defined blocks that determines the paye layout | |
| Dim blocks = ocrEngine.Config.RecognitionBlocks | |
| ' Loop over the list of blocks | |
| For Each block In blocks | |
| ' Display if block is set to be recognized | |
| Console.WriteLine(block.ToRecognize) | |
| ' Check if block has recognition data | |
| If block.RecognitionData Is Nothing Then | |
| Console.WriteLine("Null{0}", Environment.NewLine) | |
| Continue For | |
| End If | |
| ' Display dimension & size of rectangle that defines the recognition block | |
| Console.WriteLine("Block: {0}", block.Rectangle) | |
| If TypeOf block.RecognitionData Is IRecognizedTextPartInfo Then | |
| ' Display the recognition results | |
| Dim textPartInfo As IRecognizedTextPartInfo = DirectCast(block.RecognitionData, IRecognizedTextPartInfo) | |
| Console.WriteLine("Text: {0}{1}", textPartInfo.Text, Environment.NewLine) | |
| End If | |
| Next | |
| End If |
| ' For complete examples and data files, please go to https://github.com/aspose-ocr/Aspose.OCR-for-.NET | |
| ' The path to the documents directory. | |
| Dim dataDir As String = RunExamples.GetDataDir_OCR() | |
| 'Initialize an instance of OcrEngine | |
| Dim ocrEngine As OcrEngine = New OcrEngine() | |
| 'Set Image property by loading an image from file path | |
| ocrEngine.Image = ImageStream.FromFile(dataDir & "Sampleocr.bmp") | |
| 'Create CorrectionFilters collection | |
| Dim filters As CorrectionFilters = New CorrectionFilters() | |
| Dim filter As Filter = Nothing | |
| 'Initialize Median filter | |
| filter = New MedianFilter(5) | |
| filters.Add(filter) | |
| 'Create Gaussian Blur filter | |
| filter = New GaussBlurFilter() | |
| filters.Add(filter) | |
| 'Create Noise Removal filter | |
| filter = New RemoveNoiseFilter() | |
| filters.Add(filter) | |
| 'Assign collection to OcrEngine | |
| ocrEngine.Config.CorrectionFilters = filters | |
| 'Run recognition process | |
| If ocrEngine.Process() Then | |
| 'Display results | |
| Console.WriteLine(ocrEngine.Text) | |
| End If |
| ' For complete examples and data files, please go to https://github.com/aspose-ocr/Aspose.OCR-for-.NET | |
| ' The path to the documents directory. | |
| Dim dataDir As String = RunExamples.GetDataDir_OCR() | |
| 'Create an instance of OcrEngine class | |
| Dim ocr As New OcrEngine() | |
| 'Set the Image property of OcrEngine by reading an image file | |
| ocr.Image = ImageStream.FromFile(dataDir & "sampleocr_spell.bmp") | |
| 'Set the DoSpellingCorrection to true | |
| ocr.Config.DoSpellingCorrection = True | |
| 'Perform OCR operation | |
| If ocr.Process() Then | |
| 'Display results | |
| Console.WriteLine(ocr.Text) | |
| End If |
| ' For complete examples and data files, please go to https://github.com/aspose-ocr/Aspose.OCR-for-.NET | |
| ' The path to the documents directory. | |
| Dim dataDir As String = RunExamples.GetDataDir_OCR() + "Sampleocr.bmp" | |
| ' Initialize an instance of OcrEngine. | |
| Dim ocr As New OcrEngine() | |
| ' Set the Image property by loading the image from file path location. | |
| ocr.Image = ImageStream.FromFile(dataDir) | |
| ' Set the SavePreprocessedImages property to false. | |
| ocr.Config.SavePreprocessedImages = True | |
| ' Do processing | |
| If ocr.Process() Then | |
| End If |
| ' For complete examples and data files, please go to https://github.com/aspose-ocr/Aspose.OCR-for-.NET | |
| ' The path to the documents directory. | |
| Dim dataDir As String = RunExamples.GetDataDir_OCR() | |
| 'Initialize an instance of OcrEngine | |
| Dim ocrEngine As New OcrEngine() | |
| 'Retrieve the OcrConfig of the OcrEngine object | |
| Dim ocrConfig As OCRConfig = ocrEngine.Config | |
| 'Set the Whitelist property to recognize numbers only | |
| ocrConfig.Whitelist = New Char() {"1"c, "2"c, "3"c, "4"c, "5"c, "6"c, "7"c, "8"c, "9"c, "0"c} | |
| 'Set the Image property of OcrEngine object | |
| ocrEngine.Image = ImageStream.FromFile(dataDir & "Sampleocr.bmp") | |
| 'Call the Process method to retrieve the results | |
| ocrEngine.Process() |
| ' For complete examples and data files, please go to https://github.com/aspose-ocr/Aspose.OCR-for-.NET | |
| ' The path to the documents directory. | |
| Dim dataDir As String = RunExamples.GetDataDir_OCR() | |
| 'Create an instance of OcrEngine class | |
| Dim ocr As New OcrEngine() | |
| 'Set the Image property of OcrEngine by reading an image file | |
| ocr.Image = ImageStream.FromFile(dataDir & "Sampleocr.bmp") | |
| 'Set the DetectReadingOrder to true | |
| ocr.Config.DetectReadingOrder = True | |
| 'Perform OCR operation | |
| If ocr.Process() Then | |
| 'Display results | |
| Console.WriteLine(ocr.Text) | |
| End If |
| ' For complete examples and data files, please go to https://github.com/aspose-ocr/Aspose.OCR-for-.NET | |
| ' The path to the documents directory. | |
| Dim dataDir As String = RunExamples.GetDataDir_OCR() | |
| 'Create an instance of OcrEngine class | |
| Dim ocr As New OcrEngine() | |
| 'Set the Image property of OcrEngine by reading an image file | |
| ocr.Image = ImageStream.FromFile(dataDir & "Sampleocr.bmp") | |
| 'Set the RemoveNonText to true | |
| ocr.Config.RemoveNonText = True | |
| 'Perform OCR operation | |
| If ocr.Process() Then | |
| 'Display results | |
| Console.WriteLine(ocr.Text) | |
| End If |
| ' For complete examples and data files, please go to https://github.com/aspose-ocr/Aspose.OCR-for-.NET | |
| ' The path to the documents directory. | |
| Dim dataDir As String = RunExamples.GetDataDir_OCR() | |
| 'Create an instance of OcrEngine class | |
| Dim ocr As New OcrEngine() | |
| 'Set the DetectTextRegions to true | |
| ocr.Config.DetectTextRegions = True | |
| 'Set the Image property of OcrEngine by reading an image file | |
| ocr.Image = ImageStream.FromFile(dataDir & "Sampleocr.bmp") | |
| 'Perform OCR operation on the image | |
| If ocr.Process() Then | |
| 'Display results | |
| Console.WriteLine(ocr.Text) | |
| End If | |
| End Sub |
| ' For complete examples and data files, please go to https://github.com/aspose-ocr/Aspose.OCR-for-.NET | |
| ' The path to the documents directory. | |
| Dim dataDir As String = RunExamples.GetDataDir_OCR() | |
| ' Create an initialize an instance of OcrEngine | |
| Dim engine As New OcrEngine() | |
| ' Set the OcrEngine.Image property by loading an image from disk, memory or URL | |
| engine.Image = ImageStream.FromFile(dataDir & Convert.ToString("Sample.bmp")) | |
| ' Create text recognition block by supplying X,Y coordinates and Width,Height values | |
| Dim block As IRecognitionBlock = RecognitionBlock.CreateTextBlock(6, 9, 120, 129) | |
| ' Set the Whitelist property by specifying a new block whitelist | |
| block.Whitelist = New Char() {"0"c, "1"c, "2"c, "3"c, "4"c, "5"c, "6"c, "7"c, "8"c, "9"c} | |
| ' YOU CAN ADD MORE TEXT BLOCK AND SET WHITE LISTS. | |
| ' Set different configurations and add recognition block(s) | |
| engine.Config.ClearRecognitionBlocks() | |
| engine.Config.AddRecognitionBlock(block) | |
| engine.Config.DetectTextRegions = False | |
| ' Call OcrEngine.Process method to perform OCR operation | |
| If engine.Process() Then | |
| ' Display the recognized text from each Page | |
| Console.WriteLine(engine.Text) | |
| End If |
| ' For complete examples and data files, please go to https://github.com/aspose-ocr/Aspose.OCR-for-.NET | |
| ' The path to the documents directory. | |
| Dim dataDir As String = RunExamples.GetDataDir_OCR() | |
| ' Load template file | |
| Dim template As OmrTemplate = OmrTemplate.Load(dataDir & Convert.ToString("questions.amr")) | |
| ' Load the image to be analyzed | |
| Dim image As OmrImage = OmrImage.Load(dataDir & Convert.ToString("answers.jpg")) | |
| ' Set the auto image resolution detection property | |
| image.AutoDetectResolution = true; | |
| ' Instantiate the recognition engine for the template | |
| Dim engine As New OmrEngine(template) | |
| ' Extract data. This template has only one page. | |
| Dim result As OmrProcessingResult = engine.ExtractData(New OmrImage() {image}) | |
| ' Load actual result from | |
| Dim OmrResult As Hashtable = result.PageData(0) | |
| ' Get Collection of Keys | |
| Dim key As ICollection = OmrResult.Keys | |
| For Each k As String In key | |
| Console.WriteLine((k & Convert.ToString(": ")) + OmrResult(k)) | |
| Next |
| ' For complete examples and data files, please go to https://github.com/aspose-ocr/Aspose.OCR-for-.NET | |
| ' The path to the documents directory. | |
| Dim dataDir As String = RunExamples.GetDataDir_OCR() | |
| ' Load template file | |
| Dim template As OmrTemplate = OmrTemplate.Load(dataDir & Convert.ToString("questions.amr")) | |
| ' Iterate over the pages in template | |
| For Each page As OmrPage In template.Pages | |
| ' Get elements of each page | |
| Dim collection As OmrElementsCollection = page.Elements | |
| ' Iterate over the element collection | |
| For Each obj As [Object] In collection | |
| ' Display element name | |
| Console.WriteLine(obj.[GetType]().ToString()) | |
| Next | |
| Next |
| ' For complete examples and data files, please go to https://github.com/aspose-ocr/Aspose.OCR-for-.NET | |
| ' The path to the documents directory. | |
| Dim dataDir As String = RunExamples.GetDataDir_OCR() | |
| ' Load template file | |
| Dim template As OmrTemplate = OmrTemplate.Load(dataDir & Convert.ToString("questions.amr")) | |
| ' Load the image to be analyzed | |
| Dim image As OmrImage = OmrImage.Load(dataDir & Convert.ToString("answers.jpg")) | |
| ' Instantiate the recognition engine for the template | |
| Dim engine As New OmrEngine(template) | |
| ' Extract data. This template has only one page. | |
| Dim result As OmrProcessingResult = engine.ExtractData(New OmrImage() {image}) | |
| ' Load actual result from | |
| Dim OmrResult As Hashtable = result.PageData(0) | |
| ' Get Collection of Keys | |
| Dim key As ICollection = OmrResult.Keys | |
| For Each k As String In key | |
| Console.WriteLine((k & Convert.ToString(": ")) + OmrResult(k)) | |
| Next |
| ' For complete examples and data files, please go to https://github.com/aspose-ocr/Aspose.OCR-for-.NET | |
| ' The path to the documents directory. | |
| Dim dataDir As String = RunExamples.GetDataDir_OCR() | |
| ' Load template file | |
| Dim template As OmrTemplate = OmrTemplate.Load(dataDir & Convert.ToString("questions.amr")) | |
| ' Load the image to be analyzed | |
| Dim image As OmrImage = OmrImage.Load(dataDir & Convert.ToString("answers.jpg")) | |
| ' Set resource for TextOcrElement | |
| TextOcrElement.Resource = dataDir & Convert.ToString("Aspose.OCR.Spanish.Resources.zip") | |
| ' Create an instance of TextOcrElement and initialize it by specifying the location of text and its size in mm | |
| Dim textElement As New TextOcrElement("OCR Text", New PointF(23.6F, 15.5F), New SizeF(14.6F, 4.7F)) | |
| ' Add the TextOcrElement to the page element collection | |
| template.Pages(0).Elements.Add(textElement) | |
| ' Create an instance of OmrEngine and load the template using file path | |
| Dim engine As New OmrEngine(template) | |
| ' Extract OMR data and store the results in an instance of OmrProcessingResults | |
| Dim result As OmrProcessingResult = engine.ExtractData(New OmrImage() {image}) | |
| ' Get all page data into an instance of Hashtable | |
| Dim pages As Hashtable() = result.PageData | |
| ' Loop over all the pages | |
| For Each page As Hashtable In pages | |
| ' Display key and value | |
| For Each key As String In page.Keys | |
| Console.WriteLine((Convert.ToString("key: ") & key) + ": " + "value: " + page(key)) | |
| Next | |
| Next |
| ' For complete examples and data files, please go to https://github.com/m-ikramulhaq/Aspose.OCR-for-.NET | |
| ' Create an instance of Metered class | |
| Dim matered As New Metered() | |
| ' Set public & private keys | |
| matered.SetMeteredKey("publicKeyValue", "privateKeyValue") | |
| ' Get consumed quantity before calling any API method | |
| Dim amountBefore As Decimal = Metered.GetConsumptionQuantity() | |
| ' Display value | |
| Console.WriteLine(amountBefore.ToString()) | |
| ' DO PROCDESSING | |
| ' The path to the documents directory | |
| 'string dataDir = RunExamples.GetDataDir_OCR(); | |
| ' Create an instance of OmrEngine and load the template using file path | |
| 'OmrEngine omr = new OmrEngine(new OmrTemplate()); | |
| 'string path = dataDir + "sampleimage.png"; | |
| 'OmrImage omrImage = OmrImage.Load(path); | |
| ''Since upload data is running on another thread, so we need wait some time | |
| 'Thread.Sleep(10000); | |
| ' Get consumed quantity after calling any API method | |
| Dim amountAfter As Decimal = Metered.GetConsumptionQuantity() | |
| ' Display value | |
| Console.WriteLine(amountAfter.ToString()) | |
| ' For complete examples and data files, please go to https://github.com/aspose-ocr/Aspose.OCR-for-.NET | |
| ' The path to the documents directory. | |
| Dim dataDir As String = RunExamples.GetDataDir_OCR() | |
| ' Load template file | |
| Dim template As OmrTemplate = OmrTemplate.Load(dataDir & Convert.ToString("questions.amr")) | |
| ' Load the image to be analyzed | |
| Dim image As OmrImage = OmrImage.Load(dataDir & Convert.ToString("answers.jpg")) | |
| ' Get the first page of the template | |
| Dim page As OmrPage = template.Pages(0) | |
| ' Create an element by passing the name, location and size | |
| Dim element As New GridElement("grid1", New PointF(10, 20), New SizeF(60, 30)) | |
| ' Add element to the page | |
| page.Elements.Add(element) | |
| ' Create configuration for the element | |
| element.Configuration = New OmrConfig() | |
| ' Set the TrimWhitePixels to false | |
| element.Configuration.TrimWhitePixels = False | |
| ' Create an instance of OmrEngine and pass object of OmrTemplate as parameter | |
| Dim engine As New OmrEngine(template) | |
| ' Extract the data | |
| Dim result As OmrProcessingResult = engine.ExtractData(New OmrImage() {image}) |
| ' For complete examples and data files, please go to https://github.com/aspose-ocr/Aspose.OCR-for-.NET | |
| ' The path to the documents directory. | |
| Dim dataDir As String = RunExamples.GetDataDir_OCR() | |
| ' Load template file | |
| Dim template As OmrTemplate = OmrTemplate.Load(dataDir & Convert.ToString("questions.amr")) | |
| ' Load the image to be analyzed | |
| Dim image As OmrImage = OmrImage.Load(dataDir & Convert.ToString("answers.jpg")) | |
| ' Define new value of image resolution in decimal format | |
| image.Resolution = 100.0 | |
| ' Instantiate the recognition engine for the template | |
| Dim engine As New OmrEngine(template) | |
| ' Extract data. This template has only one page. | |
| Dim result As OmrProcessingResult = engine.ExtractData(New OmrImage() {image}) | |
| ' Load actual result from | |
| Dim OmrResult As Hashtable = result.PageData(0) | |
| ' Get Collection of Keys | |
| Dim key As ICollection = OmrResult.Keys | |
| For Each k As String In key | |
| Console.WriteLine((k & Convert.ToString(": ")) + OmrResult(k)) | |
| Next |
| ' For complete examples and data files, please go to https://github.com/aspose-ocr/Aspose.OCR-for-.NET | |
| ' The path to the documents directory. | |
| Dim dataDir As String = RunExamples.GetDataDir_OCR() | |
| ' Load template file | |
| Dim template As OmrTemplate = OmrTemplate.Load(dataDir & Convert.ToString("questions.amr")) | |
| ' Load the image to be analyzed | |
| Dim image As OmrImage = OmrImage.Load(dataDir & Convert.ToString("answers.jpg")) | |
| ' Get the first page of the template | |
| Dim page As OmrPage = template.Pages(0) | |
| ' Create page configurations | |
| page.Configuration = New OmrConfig() | |
| ' Set fill threshold | |
| page.Configuration.FillThreshold = 0.21 | |
| ' Create an instance of OmrEngine and pass object of OmrTemplate as parameter | |
| Dim engine As New OmrEngine(template) | |
| ' Extract the data | |
| Dim result As OmrProcessingResult = engine.ExtractData(New OmrImage() {image}) |
| ' For complete examples and data files, please go to https://github.com/aspose-ocr/Aspose.OCR-for-.NET | |
| ' The path to the documents directory. | |
| Dim dataDir As String = RunExamples.GetDataDir_OCR() | |
| ' Load template file | |
| Dim template As OmrTemplate = OmrTemplate.Load(dataDir & Convert.ToString("questions.amr")) | |
| ' Load the image to be analyzed | |
| Dim image As OmrImage = OmrImage.Load(dataDir & Convert.ToString("answers.jpg")) | |
| ' Create an instance of OmrEngine and pass object of OmrTemplate as parameter | |
| Dim engine As New OmrEngine(template) | |
| ' Get the configurations of OmrEngine | |
| Dim config As OmrConfig = engine.Configuration | |
| ' Set fill threshold | |
| config.FillThreshold = 0.12 | |
| ' Extract the data | |
| Dim result As OmrProcessingResult = engine.ExtractData(New OmrImage() {image}) |
| ' For complete examples and data files, please go to https://github.com/aspose-ocr/Aspose.OCR-for-.NET | |
| ' The path to the documents directory. | |
| Dim dataDir As String = RunExamples.GetDataDir_OCR() | |
| ' Load the image to be analyzed | |
| Dim image As OmrImage = OmrImage.Load(dataDir & Convert.ToString("answers.jpg")) | |
| Dim engine As New OmrEngine(New OmrTemplate()) | |
| ' Get skew degree of the image | |
| Dim degree As Double = engine.GetSkewDegree(image) | |
| ' Rotate image to correct skew | |
| engine.RotateImage(image, degree) | |
| ' Save image | |
| image.AsBitmap().Save(dataDir & Convert.ToString("result_out.jpg")) |
| ' For complete examples and data files, please go to https://github.com/aspose-ocr/Aspose.OCR-for-.NET | |
| ' The path to the documents directory. | |
| Dim dataDir As String = RunExamples.GetDataDir_OCR() | |
| ' Load template file | |
| Dim template As OmrTemplate = OmrTemplate.Load(dataDir & Convert.ToString("questions.amr")) | |
| ' Load the image to be analyzed | |
| Dim image As OmrImage = OmrImage.Load(dataDir & Convert.ToString("answers.jpg")) | |
| ' Area of the image to be processed | |
| Dim area As New Rectangle(0, 0, image.Width, image.Height) | |
| ' Grayscale conversion | |
| Dim gs As New GrayscaleAlgorithm() | |
| gs.Process(image, area) | |
| ' Binarization | |
| Dim threshold As New AverageThresholdAlgorithm() | |
| threshold.Process(image, area) | |
| ' Skew correction | |
| Dim skewCorrection As New SkewCorrectionAlgorithm() | |
| skewCorrection.Process(image, area) | |
| ' save image | |
| image.AsBitmap().Save(dataDir & Convert.ToString("result_out.jpg")) |
| ' For complete examples and data files, please go to https://github.com/aspose-ocr/Aspose.OCR-for-.NET | |
| ' The path to the documents directory. | |
| Dim dataDir As String = RunExamples.GetDataDir_OCR() | |
| ' Initialize an instance of OcrEngine | |
| Dim ocrEngine As New OcrEngine() | |
| ' Set Image property by loading an image from file path | |
| ocrEngine.Image = ImageStream.FromFile(dataDir & "Sampleocr.bmp") | |
| ' Remove non-textual blocks | |
| ocrEngine.Config.RemoveNonText = True | |
| ' Run recognition process | |
| If ocrEngine.Process() Then | |
| ' Display text block locations | |
| For Each part As IRecognizedPartInfo In ocrEngine.Text.PartsInfo | |
| Console.WriteLine(part.Box) | |
| Next part | |
| End If |
| ' For complete examples and data files, please go to https://github.com/aspose-ocr/Aspose.OCR-for-.NET | |
| ' The path to the documents directory. | |
| Dim dataDir As String = RunExamples.GetDataDir_OCR() | |
| 'Initialize an instance of OcrEngine | |
| Dim ocrEngine As New OcrEngine() | |
| 'Clear notifier list | |
| ocrEngine.ClearNotifies() | |
| 'Clear recognition blocks | |
| ocrEngine.Config.ClearRecognitionBlocks() | |
| 'Add 2 rectangles to user defined recognition blocks | |
| ocrEngine.Config.AddRecognitionBlock(RecognitionBlock.CreateTextBlock(27, 63, 34, 38)) 'Detecting A | |
| ocrEngine.Config.AddRecognitionBlock(RecognitionBlock.CreateTextBlock(209, 111, 28, 34)) 'Detecting 6 | |
| 'Ignore everything else on the image other than the user defined recognition blocks | |
| ocrEngine.Config.DetectTextRegions = False | |
| 'Set Image property by loading an image from file path | |
| ocrEngine.Image = ImageStream.FromFile(dataDir & "sampleocr.bmp") | |
| 'Run recognition process | |
| If ocrEngine.Process() Then | |
| Console.WriteLine(ocrEngine.Text) | |
| End If |
| ' For complete examples and data files, please go to https://github.com/aspose-ocr/Aspose.OCR-for-.NET | |
| ' The path to the documents directory. | |
| Dim dataDir As String = RunExamples.GetDataDir_OCR() | |
| 'Initialize an instance of OcrEngine | |
| Dim ocrEngine As New OcrEngine() | |
| 'Set Image property by loading an image from file path | |
| ocrEngine.Image = ImageStream.FromFile(dataDir & "Sampleocr.bmp") | |
| 'Run recognition process | |
| If ocrEngine.Process() Then | |
| Console.WriteLine(ocrEngine.Text) | |
| 'Retrieve an array of recognized text by parts | |
| Dim text() As IRecognizedPartInfo = ocrEngine.Text.PartsInfo | |
| 'Iterate over the text parts | |
| For Each symbol As IRecognizedTextPartInfo In text | |
| 'Display the part information | |
| Console.WriteLine("Symbol:" & symbol.Text) | |
| 'Get the rectangle sourronding the symbol | |
| Dim box As Rectangle = symbol.Box | |
| 'Display the rectangle location on the image canvas | |
| Console.WriteLine("Box Location:" & box.Location.ToString()) | |
| 'Display the rectangle dimensions | |
| Console.WriteLine("Box Size:" & box.Size.ToString()) | |
| Next symbol | |
| End If |
| ' For complete examples and data files, please go to https://github.com/aspose-ocr/Aspose.OCR-for-.NET | |
| ' The path to the documents directory. | |
| Dim dataDir As String = RunExamples.GetDataDir_OMR() | |
| ' Initialize an instance of OcrEngine | |
| Dim ocrEngine As New OcrEngine() | |
| ' Set Image property by loading an image from file path | |
| ocrEngine.Image = ImageStream.FromFile(dataDir & Convert.ToString("Sampleocr.bmp")) | |
| ' Run recognition process | |
| If ocrEngine.Process Then | |
| Console.WriteLine(ocrEngine.Text) | |
| ' Retrieve an array of recognized text by parts | |
| Dim text() As IRecognizedPartInfo = ocrEngine.Text.PartsInfo | |
| ' Iterate over the text parts | |
| For Each recognizedPartInfo In text | |
| Dim symbol = CType(recognizedPartInfo, IRecognizedTextPartInfo) | |
| ' Display the part information | |
| Console.WriteLine(("Symbol:" + symbol.Text)) | |
| ' Get the rectangle sourronding the symbol | |
| Dim box As Rectangle = symbol.Box | |
| ' Display the rectangle location on the image canvas | |
| Console.WriteLine("Box Location:") | |
| Console.Write(box.Location) | |
| ' Display the rectangle dimensions | |
| Console.WriteLine("Box Size:") | |
| Console.Write(box.Size) | |
| Next | |
| End If |
| ' For complete examples and data files, please go to https://github.com/aspose-ocr/Aspose.OCR-for-.NET | |
| ' The path to the documents directory. | |
| Dim dataDir As String = RunExamples.GetDataDir_OCR() | |
| 'Initialize an instance of OcrEngine | |
| Dim ocrEngine As New OcrEngine() | |
| 'Set the Image property by loading the image from file path location or an instance of MemoryStream | |