Update app.py

app.py

@@ -44,6 +44,7 @@ def stitch_rgbd_videos(
         for i in range(min(len(full_frames), len(depths))):
             rgb_full = full_frames[i]  # Full-resolution RGB frame.
             depth_frame = depths[i]
+            depth_frame = depths[i].astype(np.uint8)  # Reduce memory footprint
 
             if d_max == d_min:
                 d_max = d_min + 1