Update app.py

app.py

@@ -580,7 +580,7 @@ def draw_mask(l, t, th, v, d, evt: gr.EventData):
       dilation = cv2.getStructuringElement(cv2.MORPH_ELLIPSE, (15-(t*2+1), 15-(t*2+1)), (t, t))
       mask = cv2.dilate(mask, dilation)
 
-      bd = cv2.convertScaleAbs(cv2.Laplacian(bg, cv2.CV_64F, ksize=5)).astype(np.uint8)
+      bd = cv2.Canny(bg, th, th*2, 5)
 
       #indices = np.arange(0,256)   # List of all colors 
       #divider = np.linspace(0,255,l+1)[1] # we get a divider
@@ -973,7 +973,7 @@ with gr.Blocks(css=css, js=js) as demo:
               levels = gr.Slider(label="Color levels", value=16, maximum=32, minimum=2, step=1)
               tolerance = gr.Slider(label="Tolerance", value=1, maximum=7, minimum=0, step=1)
               bsize = gr.Slider(label="Border size", value=15, maximum=256, minimum=1, step=2)
-              threshold = gr.Slider(label="Threshold", value=20, maximum=127, minimum=0, step=1)
+              threshold = gr.Slider(label="Threshold", value=64, maximum=128, minimum=0, step=1)
               mouse = gr.Textbox(elem_id="mouse", value="""[]""", interactive=False)
               mouse.input(fn=draw_mask, show_progress="minimal", inputs=[levels, tolerance, threshold, mouse, output_mask], outputs=[output_mask])
               apply.click(fn=apply_mask, inputs=[output_mask, bsize], outputs=[output_mask, output_depth, output_frame])