first frame mask variable name fixed

app.py

@@ -163,8 +163,8 @@ def track_and_mask(vid, masked_frame, original_list, mask_list, in_fps, dt_strin
                 state = siamese_init(
                     frame, target_pos, target_sz, siammask, cfg['hp'], device=device)
                 original_list.append(cv2.cvtColor(frame, cv2.COLOR_BGR2RGB))
-                frame[:, :, 2] = (mask > 0) * 255 + \
-                        (mask == 0) * frame[:, :, 2]
+                frame[:, :, 2] = (masked_frame == 255) + \
+                        (masked_frame == 0) * frame[:, :, 2]
             else:
                 # track
                 state = siamese_track(