private void Button1_Click(object sender, EventArgs e)
{
OpenFileDialog d = new OpenFileDialog();
if (d.ShowDialog() != DialogResult.OK)
{
return;
}
string filePath = d.FileName;
//OCR OcrResults
OcrResults OcrResults = default(OcrResults);
//建立VisionServiceClient
var visionClient = new Microsoft.ProjectOxford.Vision.VisionServiceClient(
"!!!!!!!!!!!!!!!!!!!!!!!!!!!!!換成你的key!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ",
"https://southeastasia.api.cognitive.microsoft.com/vision/v1.0");
using (var fs = new FileStream(filePath, FileMode.Open))
{
// this.textBox.Text = "辨識中...";
//以繁體中文辨識
// this.textBox.Text = "";
OcrResults = visionClient.RecognizeTextAsync(fs, LanguageCodes.AutoDetect).Result;
}
string result = "";
//抓取每一區塊的辨識結果
foreach (var Region in OcrResults.Regions)
{
//抓取每一行
foreach (var line_loopVariable in Region.Lines)
{
var line = line_loopVariable;
dynamic aline = "";
//抓取每一個字
foreach (var Word_loopVariable in line.Words)
{
var Word = Word_loopVariable;
//顯示辨識結果
aline += Word.Text;
}
//加換行
result += aline + "\n";
}
}
this.TextBox1.Text = result;
//load picture
this.PictureBox1.Image = Image.FromFile(filePath);
}
private void button3_Click(object sender, EventArgs e)
{
var msg = "";
//取得圖片檔案FileStream
byte[] file = System.IO.File.ReadAllBytes(this.textBox1.Text);
Stream MemStream1 = new MemoryStream(file);
Stream MemStream2 = new MemoryStream(file);
//繪圖用
System.Drawing.Bitmap bmp = new System.Drawing.Bitmap(MemStream2);
Graphics g = Graphics.FromImage(bmp);
//ComputerVision instance
var visionClient = new Microsoft.ProjectOxford.Vision.VisionServiceClient(
ComputerVisionServiceKey, ComputerVisionServiceEndpoint);
//分析用
using (MemStream1)
{
//分析圖片
var OcrResults = visionClient.RecognizeTextAsync(
MemStream1, LanguageCodes.AutoDetect).Result;
//抓取每一區塊的辨識結果
foreach (var Region in OcrResults.Regions)
{
//抓取每一行
foreach (var line in Region.Lines)
{
//畫框
g.DrawRectangle(
new Pen(Brushes.Red, 3),
new System.Drawing.Rectangle(line.Rectangle.Left, line.Rectangle.Top,
line.Rectangle.Width, line.Rectangle.Height));
var aline = "";
//抓取每一個字
foreach (var Word in line.Words)
{
//顯示辨識結果
aline += Word.Text;
}
//加換行
msg += aline + " , ";
}
}
}
this.textBox2.Text = msg;
this.pictureBox2.Image = bmp;
}
public static OcrResults AnalyzeText(Bitmap sourceImage)
{
Microsoft.ProjectOxford.Vision.VisionServiceClient visionServiceClient = ComputerVisionService.GetClient();
using (MemoryStream memoryStream = new MemoryStream())
{
sourceImage.SaveAsPng(memoryStream);
memoryStream.Position = 0;
Console.WriteLine("Calling VisionServiceClient.RecognizeTextAsyncs()...");
return(visionServiceClient.RecognizeTextAsync(memoryStream).GetAwaiter().GetResult());
}
}
private async Task <LiveAnalyzeResult> TextDetectAnalyzeFunction(VideoFrame frame)
{
// Encode image.
var jpg = frame.Image.ToMemoryStream(".jpg", s_jpegParams);
var detectResult = await _visionClient.RecognizeTextAsync(jpg, "unk");
if (detectResult.Regions.Any())
{
return(new LiveAnalyzeResult()
{
Regions = detectResult.Regions
});
}
return(default(LiveAnalyzeResult));
}