Update app.py

app.py

@@ -204,7 +204,7 @@ def make_video(video_path, outdir='./vis_video_depth', encoder='vits', remove_bg
                     mask_shadow = cv2.bitwise_not(mask_no_shadow)
 
                     backSub = cv2.createBackgroundSubtractorKNN()
-                    fgMask = backSub.apply(raw_frame.astype(np.float16), 0)
+                    fgMask = backSub.apply(raw_frame)
                     
                     m = cv2.inRange(raw_frame, np.array([255,255,255]), np.array([255,255,255]))
                     raw_frame[m>0] = (239,239,239)