Updates

rpi/training/utils/debug.py

@@ -0,0 +1,26 @@
+from pathlib import Path
+
+label_dir = Path("./datasets/your_dataset/val/labels")
+
+def valid_line(line):
+    parts = line.split()
+    if len(parts) != 5:
+        return False
+    cls, x, y, w, h = map(float, parts)
+    return 0 <= cls and 0 < w <= 1 and 0 < h <= 1
+
+
+empty = []
+for p in label_dir.glob("*.txt"):
+    if p.stat().st_size == 0:
+        empty.append(p.name)
+
+print(f"Empty label files: {len(empty)}")
+
+invalid = []
+for p in label_dir.glob("*.txt"):
+    lines = p.read_text().strip().splitlines()
+    if not any(valid_line(l) for l in lines):
+        invalid.append(p.name)
+
+print(f"Effectively empty labels: {len(invalid)}")