add autodetection

Azaion.Annotator/YOLODetector.cs

@@ -0,0 +1,36 @@
+using System.Drawing.Imaging;
+using System.IO;
+using Azaion.Annotator.DTO;
+using Compunet.YoloV8;
+using SixLabors.ImageSharp;
+using SixLabors.ImageSharp.Formats.Jpeg;
+using SixLabors.ImageSharp.PixelFormats;
+
+namespace Azaion.Annotator;
+
+public interface IAIDetector
+{
+    List<(YoloLabel Label, float Probability)> Detect(Stream stream);
+}
+
+public class YOLODetector(Config config) : IAIDetector, IDisposable
+{
+    private readonly YoloPredictor _predictor = new(config.AIRecognitionConfig.AIModelPath);
+
+    public List<(YoloLabel Label, float Probability)> Detect(Stream stream)
+    {
+        stream.Seek(0, SeekOrigin.Begin);
+        var image = Image.Load<Rgb24>(stream);
+        var result = _predictor.Detect(image);
+
+        var imageSize = new System.Windows.Size(image.Width, image.Height);
+
+        return result.Select(d =>
+        {
+            var label = new YoloLabel(new CanvasLabel(d.Name.Id, d.Bounds.X, d.Bounds.Y, d.Bounds.Width, d.Bounds.Height), imageSize, imageSize);
+            return (label, d.Confidence * 100);
+        }).ToList();
+    }
+
+    public void Dispose() => _predictor.Dispose();
+}