Update app.py

app.py

@@ -599,7 +599,7 @@ def draw_mask(l, t, v, d, evt: gr.EventData):
       res = center[label.flatten()]
       bg = res.reshape((bg.shape))
 
-      bg[bd>32] = 0
+      bg[bd>16] = 0
       bg[mask>0] = 0
       bg[bg==255] = 0