Update app.py

app.py

@@ -144,7 +144,7 @@ def infer(url_in,interpolation,fps_output,resize_n,winsize):
       if ret == False:
         break
       nxt = cv2.cvtColor(fr2, cv2.COLOR_RGBA2GRAY)
-      fl = cv2.calcOpticalFlowFarneback(prvs, nxt, flow, 0.5, 4, winsize, 4, 7, 1.5, 0)
+      fl = cv2.calcOpticalFlowFarneback(prvs, nxt, flow, 0.5, 3, winsize, 3, 5, 1.2, 0)
       mag, ang = cv2.cartToPolar(fl[..., 0], fl[..., 1])
       hsv[..., 0] = ang*180/np.pi/2
       hsv[..., 2] = cv2.normalize(mag, None, 0, 255, cv2.NORM_MINMAX)
@@ -196,7 +196,7 @@ with gr.Blocks() as demo:
             with gr.Column():
                 url_input = gr.Textbox(value="./examples/streetview.mp4", label="URL")
                 resize_num = gr.Slider(minimum=1, maximum=4096, step=1, value=256, label="Resize to width: ")
-                winsize_num = gr.Slider(minimum=1, maximum=256, step=1, value=9, label="Motion detection window size: ")
+                winsize_num = gr.Slider(minimum=1, maximum=256, step=1, value=15, label="Motion detection window size: ")
                 with gr.Row():
                     interpolation_slider = gr.Slider(minimum=1, maximum=5, step=1, value=1, label="Interpolation Steps: ")
                     interpolation = gr.Label(value=2, show_label=False)