fix ai detection bugs #2

Azaion.Annotator/DTO/AnnotationResult.cs

@@ -13,12 +13,9 @@ public class AnnotationResult
     [JsonProperty(PropertyName = "t")]
     public TimeSpan Time                   { get; set; }
 
-    [JsonProperty(PropertyName = "p")]
-    public double   Percentage             { get; set; }
-
     public double   Lat                    { get; set; }
     public double   Lon                    { get; set; }
-    public List<YoloLabel> Labels          { get; set; } = new();
+    public List<Detection> Detections      { get; set; } = new();
 
     #region For Display in the grid
 
@@ -32,10 +29,10 @@ public class AnnotationResult
     {
         get
         {
-            if (Labels.Count == 0)
+            if (Detections.Count == 0)
                 return "";
 
-            var groups = Labels.Select(x => x.ClassNumber).GroupBy(x => x).ToList();
+            var groups = Detections.Select(x => x.ClassNumber).GroupBy(x => x).ToList();
             return groups.Count > 1
                 ? string.Join(",", groups.Select(x => x.Key + 1))
                 : _config.AnnotationClassesDict[groups.FirstOrDefault().Key].Name;
@@ -49,10 +46,10 @@ public class AnnotationResult
         get
         {
             var defaultColor = (Color)ColorConverter.ConvertFromString("#404040");
-            if (Labels.Count == 0)
+            if (Detections.Count == 0)
                 return defaultColor;
 
-            var groups = Labels.Select(x => x.ClassNumber).GroupBy(x => x).ToList();
+            var groups = Detections.Select(x => x.ClassNumber).GroupBy(x => x).ToList();
 
             return groups.Count > 1
                 ? defaultColor
@@ -64,12 +61,11 @@ public class AnnotationResult
     #endregion
     
     public AnnotationResult() { }
-    public AnnotationResult(TimeSpan time, string timeName, List<YoloLabel> labels, Config config)
+    public AnnotationResult(TimeSpan time, string timeName, List<Detection> detections, Config config)
     {
         _config = config;
-        Labels = labels;
+        Detections = detections;
         Time = time;
         Image = $"{timeName}.jpg";
-        Percentage = 100;
     }
 }

Azaion.Annotator/Extensions/VLCFrameExtractor.cs

@@ -106,7 +106,7 @@ public class VLCFrameExtractor(LibVLC libVLC)
 
         if (_frameCounter > 20 &&  _frameCounter % 10 == 0)
         {
-            var msToAdd = (_frameCounter - _lastFrame) * (_lastFrameTimestamp.TotalMilliseconds / _lastFrame);
+            var msToAdd = (_frameCounter - _lastFrame) * (_lastFrame == 0 ? 0 : _lastFrameTimestamp.TotalMilliseconds / _lastFrame);
             var time = _lastFrameTimestamp.Add(TimeSpan.FromMilliseconds(msToAdd));
             FramesQueue.Enqueue(new FrameInfo(time, _currentBitmap));
         }

Azaion.Annotator/GalleryManager.cs

@@ -144,8 +144,8 @@ public class GalleryManager : IGalleryManager
             var size = new Size(originalImage.Width, originalImage.Height);
             if (!File.Exists(labelName))
             {
-                File.Move(imgPath, Path.Combine(_config.UnknownImages, imgName));
+                File.Delete(imgPath);
-                _logger.LogInformation($"No labels found for image {imgName}! Moved image to the {_config.UnknownImages} folder.");
+                _logger.LogInformation($"No labels found for image {imgName}! Image deleted!");
                 return null;
             }
             var labels = (await YoloLabel.ReadFromFile(labelName, cancellationToken))

Azaion.Annotator/MainWindow.xaml.cs

@@ -206,18 +206,18 @@ public partial class MainWindow
         DgAnnotations.MouseDoubleClick += (sender, args) =>
         {
             var dgRow = ItemsControl.ContainerFromElement((DataGrid)sender, (args.OriginalSource as DependencyObject)!) as DataGridRow;
-            var res = (AnnotationResult)dgRow!.Item;
+            OpenAnnotationResult((AnnotationResult)dgRow!.Item);
-            _mediaPlayer.SetPause(true);
-            Editor.RemoveAllAnns();
-            _mediaPlayer.Time = (long)res.Time.TotalMilliseconds;
-            ShowTimeAnnotations(res.Time, showImage: true);
         };
 
         DgAnnotations.KeyUp += (sender, args) =>
         {
-            if (args.Key != Key.Delete)
+            switch (args.Key)
-                return;
+            {
-
+                case Key.Up:
+                case Key.Down: //cursor is already moved by system behaviour
+                    OpenAnnotationResult((AnnotationResult)DgAnnotations.SelectedItem);
+                    break;
+                case Key.Delete:
                     var result = MessageBox.Show("Чи дійсно видалити аннотації?","Підтвердження видалення", MessageBoxButton.OKCancel, MessageBoxImage.Question);
                     if (result != MessageBoxResult.OK)
                         return;
@@ -233,6 +233,8 @@ public partial class MainWindow
                         _formState.AnnotationResults.Remove(annotationResult);
                         Annotations.Remove(Annotations.Query(annotationResult.Time));
                     }
+                    break;
+            }
         };
 
         Editor.FormState = _formState;
@@ -240,6 +242,21 @@ public partial class MainWindow
         DgAnnotations.ItemsSource = _formState.AnnotationResults;
     }
 
+    public void OpenAnnotationResult(AnnotationResult res)
+    {
+        _mediaPlayer.SetPause(true);
+        Editor.RemoveAllAnns();
+        _mediaPlayer.Time = (long)res.Time.TotalMilliseconds;
+
+        Dispatcher.Invoke(() =>
+        {
+            VideoSlider.Value = _mediaPlayer.Position * VideoSlider.Maximum;
+            StatusClock.Text = $"{TimeSpan.FromMilliseconds(_mediaPlayer.Time):mm\\:ss} / {_formState.CurrentVideoLength:mm\\:ss}";
+            Editor.ClearExpiredAnnotations(res.Time);
+        });
+
+        AddAnnotationsToCanvas(res.Time, res.Detections, showImage: true);
+    }
     private async Task SaveUserSettings()
     {
         if (_suspendLayout)
@@ -256,7 +273,7 @@ public partial class MainWindow
         }, TimeSpan.FromSeconds(5));
     }
 
-    private void ShowTimeAnnotations(TimeSpan time, bool showImage = false)
+    private void ShowTimeAnnotations(TimeSpan time)
     {
         Dispatcher.Invoke(() =>
         {
@@ -266,7 +283,7 @@ public partial class MainWindow
         });
 
         var annotations = Annotations.Query(time).SelectMany(x => x).Select(x => new Detection(x));
-        AddAnnotationsToCanvas(time, annotations, showImage);
+        AddAnnotationsToCanvas(time, annotations);
     }
 
     private void AddAnnotationsToCanvas(TimeSpan? time, IEnumerable<Detection> labels, bool showImage = false)
@@ -316,11 +333,14 @@ public partial class MainWindow
     }
 
     public async Task AddAnnotations(TimeSpan? time, List<YoloLabel> annotations, CancellationToken ct = default)
+        => await AddAnnotations(time, annotations.Select(x => new Detection(x)).ToList(), ct);
+
+    public async Task AddAnnotations(TimeSpan? time, List<Detection> annotations, CancellationToken ct = default)
     {
         var timeValue = time ?? TimeSpan.FromMinutes(0);
         var previousAnnotations = Annotations.Query(timeValue);
         Annotations.Remove(previousAnnotations);
-        Annotations.Add(timeValue.Subtract(_thresholdBefore), timeValue.Add(_thresholdAfter), annotations);
+        Annotations.Add(timeValue.Subtract(_thresholdBefore), timeValue.Add(_thresholdAfter), annotations.Cast<YoloLabel>().ToList());
 
         var existingResult = _formState.AnnotationResults.FirstOrDefault(x => x.Time == time);
         if (existingResult != null)
@@ -633,7 +653,7 @@ public partial class MainWindow
                 Editor.Background = new ImageBrush { ImageSource = await imgPath.OpenImage() };
                 Editor.RemoveAllAnns();
                 AddAnnotationsToCanvas(time, detections, true);
-                await AddAnnotations(timeframe.Time, detections.Cast<YoloLabel>().ToList(), token);
+                await AddAnnotations(timeframe.Time, detections, token);
 
                 var log = string.Join(Environment.NewLine, detections.Select(det =>
                     $"{_config.AnnotationClassesDict[det.ClassNumber].Name}: " +

Azaion.Annotator/MainWindowEventHandler.cs

@@ -243,6 +243,8 @@ public class MainWindowEventHandler :
 
     private async Task SaveAnnotations()
     {
+        var annGridSelectedIndex = _mainWindow.DgAnnotations.SelectedIndex;
+
         if (_formState.CurrentMedia == null)
             return;
 
@@ -270,15 +272,18 @@ public class MainWindowEventHandler :
                 //no need to save image, it's already there, just remove background
                 _mainWindow.Editor.Background = new SolidColorBrush(Color.FromArgb(1, 0, 0, 0));
                 _formState.BackgroundShown = false;
+
+                var annGrid = _mainWindow.DgAnnotations;
+                annGrid.SelectedIndex = Math.Min(annGrid.Items.Count, annGridSelectedIndex + 1);
+                _mainWindow.OpenAnnotationResult((AnnotationResult)annGrid.SelectedItem);
             }
             else
             {
                 var resultHeight = (uint)Math.Round(RESULT_WIDTH / _formState.CurrentVideoSize.Width * _formState.CurrentVideoSize.Height);
                 _mediaPlayer.TakeSnapshot(0, destinationPath, RESULT_WIDTH, resultHeight);
-            }
-            
                 _mediaPlayer.Play();
             }
+        }
         else
         {
             File.Copy(_formState.CurrentMedia.Path, destinationPath, overwrite: true);

README.md

@@ -3,4 +3,4 @@ Works on Windows only for now
 
 Install:
 1. C# dotnet with wpf
-2. CUDNN 
+2. [CUDNN](https://developer.nvidia.com/cudnn)