rework to Azaion.Suite

2026-04-22 13:06:31 +00:00 · 2024-11-21 13:41:32 +02:00
parent 2cf69f4e4e
commit 5a592e9dbf
76 changed files with 1739 additions and 882 deletions
@@ -0,0 +1,189 @@
+using System.Drawing;
+using System.Globalization;
+using System.IO;
+using Newtonsoft.Json;
+using Size = System.Windows.Size;
+
+namespace Azaion.Common.DTO;
+
+public abstract class Label
+{
+    [JsonProperty(PropertyName = "cl")] public int ClassNumber { get; set; }
+
+    protected Label()
+    {
+    }
+
+    protected Label(int classNumber)
+    {
+        ClassNumber = classNumber;
+    }
+}
+
+public class CanvasLabel : Label
+{
+    public double X { get; set; }
+    public double Y { get; set; }
+    public double Width { get; set; }
+    public double Height { get; set; }
+    public double? Probability { get; }
+
+    public CanvasLabel()
+    {
+    }
+
+    public CanvasLabel(int classNumber, double x, double y, double width, double height, double? probability = null) : base(classNumber)
+    {
+        X = x;
+        Y = y;
+        Width = width;
+        Height = height;
+        Probability = probability;
+    }
+
+    public CanvasLabel(YoloLabel label, Size canvasSize, Size videoSize, double? probability = null)
+    {
+        var cw = canvasSize.Width;
+        var ch = canvasSize.Height;
+        var canvasAr = cw / ch;
+        var videoAr = videoSize.Width / videoSize.Height;
+
+        ClassNumber = label.ClassNumber;
+
+        var left = label.CenterX - label.Width / 2;
+        var top = label.CenterY - label.Height / 2;
+
+        if (videoAr > canvasAr) //100% width
+        {
+            var realHeight = cw / videoAr; //real video height in pixels on canvas
+            var blackStripHeight = (ch - realHeight) / 2.0; //height of black strips at the top and bottom
+
+            X = left * cw;
+            Y = top * realHeight + blackStripHeight;
+            Width = label.Width * cw;
+            Height = label.Height * realHeight;
+        }
+        else //100% height
+        {
+            var realWidth = ch * videoAr; //real video width in pixels on canvas
+            var blackStripWidth = (cw - realWidth) / 2.0; //height of black strips at the top and bottom
+
+            X = left * realWidth + blackStripWidth;
+            Y = top * ch;
+            Width = label.Width * realWidth;
+            Height = label.Height * ch;
+        }
+        Probability = probability;
+    }
+}
+
+public class YoloLabel : Label
+{
+    [JsonProperty(PropertyName = "x")] public double CenterX { get; set; }
+
+    [JsonProperty(PropertyName = "y")] public double CenterY { get; set; }
+
+    [JsonProperty(PropertyName = "w")] public double Width { get; set; }
+
+    [JsonProperty(PropertyName = "h")] public double Height { get; set; }
+
+    public YoloLabel()
+    {
+    }
+
+    public YoloLabel(int classNumber, double centerX, double centerY, double width, double height) : base(classNumber)
+    {
+        CenterX = centerX;
+        CenterY = centerY;
+        Width = width;
+        Height = height;
+    }
+
+    public RectangleF ToRectangle() =>
+        new((float)(CenterX - Width / 2.0), (float)(CenterY - Height / 2.0), (float)Width, (float)Height);
+
+    public YoloLabel(CanvasLabel canvasLabel, Size canvasSize, Size videoSize)
+    {
+        var cw = canvasSize.Width;
+        var ch = canvasSize.Height;
+        var canvasAr = cw / ch;
+        var videoAr = videoSize.Width / videoSize.Height;
+
+        ClassNumber = canvasLabel.ClassNumber;
+
+        double left, top;
+        if (videoAr > canvasAr) //100% width
+        {
+            left = canvasLabel.X / cw;
+            Width = canvasLabel.Width / cw;
+            var realHeight = cw / videoAr; //real video height in pixels on canvas
+            var blackStripHeight = (ch - realHeight) / 2.0; //height of black strips at the top and bottom
+            top = (canvasLabel.Y - blackStripHeight) / realHeight;
+            Height = canvasLabel.Height / realHeight;
+        }
+        else //100% height
+        {
+            top = canvasLabel.Y / ch;
+            Height = canvasLabel.Height / ch;
+            var realWidth = ch * videoAr; //real video width in pixels on canvas
+            var blackStripWidth = (cw - realWidth) / 2.0; //height of black strips at the top and bottom
+            left = (canvasLabel.X - blackStripWidth) / realWidth;
+            Width = canvasLabel.Width / realWidth;
+        }
+
+        CenterX = left + Width / 2.0;
+        CenterY = top + Height / 2.0;
+    }
+
+    public static YoloLabel? Parse(string s)
+    {
+        if (string.IsNullOrEmpty(s))
+            return null;
+
+        var strings = s.Replace(',', '.').Split(' ');
+        if (strings.Length != 5)
+            throw new Exception("Wrong labels format!");
+
+        var res = new YoloLabel
+        {
+            ClassNumber = int.Parse(strings[0], CultureInfo.InvariantCulture),
+            CenterX = double.Parse(strings[1], CultureInfo.InvariantCulture),
+            CenterY = double.Parse(strings[2], CultureInfo.InvariantCulture),
+            Width = double.Parse(strings[3], CultureInfo.InvariantCulture),
+            Height = double.Parse(strings[4], CultureInfo.InvariantCulture)
+        };
+        return res;
+    }
+
+    public static async Task<List<YoloLabel>> ReadFromFile(string filename, CancellationToken cancellationToken = default)
+    {
+        var str = await File.ReadAllTextAsync(filename, cancellationToken);
+
+        return str.Split('\n')
+            .Select(Parse)
+            .Where(ann => ann != null)
+            .ToList()!;
+    }
+
+    public static async Task WriteToFile(IEnumerable<YoloLabel> labels, string filename, CancellationToken cancellationToken = default)
+    {
+        var labelsStr = string.Join(Environment.NewLine, labels.Select(x => x.ToString()));
+        await File.WriteAllTextAsync(filename, labelsStr, cancellationToken);
+    }
+
+    public override string ToString() => $"{ClassNumber} {CenterX:F5} {CenterY:F5} {Width:F5} {Height:F5}".Replace(',', '.');
+}
+
+public class Detection : YoloLabel
+{
+    public Detection(YoloLabel label, double? probability = null)
+    {
+        ClassNumber = label.ClassNumber;
+        CenterX = label.CenterX;
+        CenterY = label.CenterY;
+        Height = label.Height;
+        Width = label.Width;
+        Probability = probability;
+    }
+    public double? Probability { get; set; }
+}