Created
January 20, 2019 20:11
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CVConsoleApp.cs
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using System; | |
using System.IO; | |
using System.Net.Http; | |
using System.Net.Http.Headers; | |
using System.Threading.Tasks; | |
using Newtonsoft.Json; | |
using Newtonsoft.Json.Linq; | |
namespace CustomVisionMarvelConsole01 | |
{ | |
static class Program | |
{ | |
static void Main() | |
{ | |
MakePredictionRequest("IMG01.jpg").Wait(); | |
Console.ReadLine(); | |
} | |
static async Task MakePredictionRequest(string imageFilePath) | |
{ | |
var client = new HttpClient(); | |
client.DefaultRequestHeaders.Add("Prediction-Key", "<Custom Vision Prediction Key>"); | |
var url = "https://southcentralus.api.cognitive.microsoft.com/customvision/v2.0/Prediction/<Custom Vision AppKey>/image?iterationId=<Custom Vision IterationId>"; | |
var byteData = GetImageAsByteArray(imageFilePath); | |
using (var content = new ByteArrayContent(byteData)) | |
{ | |
content.Headers.ContentType = new MediaTypeHeaderValue("application/octet-stream"); | |
var response = await client.PostAsync(url, content); | |
var jsonResponse = await response.Content.ReadAsStringAsync(); | |
var prettyJson = JToken.Parse(jsonResponse).ToString(Formatting.Indented); | |
Console.WriteLine(prettyJson); | |
} | |
} | |
static byte[] GetImageAsByteArray(string imageFilePath) | |
{ | |
var fileStream = new FileStream(imageFilePath, FileMode.Open, FileAccess.Read); | |
var binaryReader = new BinaryReader(fileStream); | |
return binaryReader.ReadBytes((int)fileStream.Length); | |
} | |
} | |
} |
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