Recognize Text by Performing OCR on Image from URL using C++ | https://blog.aspose.com/2021/07/08/recognize-text-by-performing-ocr-on-image-from-url-using-cpp/

01_Recognize_Text_by_Performing_OCR_on_Image_from_URL_using_CPP

Read the complete article about recognizing text by performing OCR on an image from URL using C++ by visiting the following link.
https://blog.aspose.com/2021/07/08/recognize-text-by-performing-ocr-on-image-from-url-using-cpp/

Define_Recognition_Areas.cpp

#include <fcntl.h>
#ifdef _WIN32
#include <corecrt_io.h>
#endif

int main()
{
#ifdef _WIN32
	_setmode(_fileno(stdout), _O_U16TEXT);
#else
	setlocale(LC_CTYPE, "");
#endif

	// Source file url
	const char* uri = "https://www.castlegateit.co.uk/wp-content/uploads/2016/09/justified_text.png";

	// Define the Recognition areas
	rect rectangles[2] = { {90, 180, 770, 333} , { 923, 613, 780, 96 } };

	// Prepare buffer for result (in symbols, len_byte = len * sizeof(wchar_t))
	const size_t len = 4096;
	wchar_t buffer[len] = { 0 };

	// Set the recognition settings
	RecognitionSettings settings;
	settings.format = export_format::text;

	// Set the recognition areas
	settings.rectangles = rectangles;

	// Specify the size of the recognition areas array
	settings.rectangles_size = 2;

	// Perform the OCR operation on the image.
	size_t res = asposeocr_page_from_uri(uri, buffer, len, settings);

	std::wcout << buffer << L"\n";
}

Recongize_Image_From_Uri.cpp

#include <fcntl.h>
#ifdef _WIN32
#include <corecrt_io.h>
#endif

int main()
{
#ifdef _WIN32
	_setmode(_fileno(stdout), _O_U16TEXT);
#else
	setlocale(LC_CTYPE, "");
#endif

	// Source file url
	const char* uri = "https://www.castlegateit.co.uk/wp-content/uploads/2016/09/justified_text.png";

	// Prepare buffer for result (in symbols, len_byte = len * sizeof(wchar_t))
	const size_t len = 4096;
	wchar_t buffer[len] = { 0 };

	// Set the recognition settings
	RecognitionSettings settings;
	settings.format = export_format::text;

	// Perform the OCR operation on the image.
	size_t res = asposeocr_page_from_uri(uri, buffer, len, settings);

	std::wcout << buffer << L"\n";
}