minor bug fix

inference.py

@@ -95,7 +95,13 @@ class SlidingWindowRefiner:
             return 0
 
         matches = self.flann.knnMatch(self.template_desc, desc, k=2)
-        good = [m for m, n in matches if m.distance < 0.7 * n.distance]
+        
+        good = []
+        for match_pair in matches:
+            if len(match_pair) == 2:
+                m, n = match_pair
+                if m.distance < 0.7 * n.distance:
+                    good.append(m)
 
         if not good:
             return 0
@@ -271,6 +277,8 @@ class ObjectTrackerInference:
         frame_height = int(cap.get(cv2.CAP_PROP_FRAME_HEIGHT))
         total_frames = int(cap.get(cv2.CAP_PROP_FRAME_COUNT))
         
+        print(f"Video: {frame_width}x{frame_height}, {total_frames} frames")  # 🔹 ADD THIS
+        
         fourcc = cv2.VideoWriter_fourcc(*'mp4v')
         out = cv2.VideoWriter(output_path, fourcc, fps, (frame_width, frame_height))
         
@@ -281,6 +289,8 @@ class ObjectTrackerInference:
         current_bbox = initial_bbox
         frame_idx = 0
         
+        print("Tracking object...")  # 🔹 ADD THIS
+        
         while True:
             ret, frame = cap.read()
             if not ret:
@@ -320,11 +330,16 @@ class ObjectTrackerInference:
             x, y, w, h = map(int, current_bbox)
             cv2.rectangle(frame, (x, y), (x+w, y+h), (0, 0, 255), 2)
             cv2.putText(frame, f'Frame: {frame_idx}', (10, 30),
-                       cv2.FONT_HERSHEY_SIMPLEX, 1, (255, 255, 255), 2)
+                    cv2.FONT_HERSHEY_SIMPLEX, 1, (255, 255, 255), 2)
 
             out.write(frame)
             frame_idx += 1
+            
+            if frame_idx % 30 == 0:  # 🔹 ADD THIS
+                print(f"Processed {frame_idx}/{total_frames} frames")
         
         cap.release()
         out.release()
+        
+        print(f"Tracking complete! Video saved to: {output_path}")  # 🔹 ADD THIS
         return output_path