Update app.py

app.py

@@ -1378,7 +1378,7 @@ if uploaded_file is not None:
     st.pyplot()
     # sử dụng equalization histogram
     mask = 1 - mask
-    dilated = gaussian(dilate(mask), sigma=50, truncate=0.2)
+    dilated = gaussian(dilate(mask), sigma=50, truncate=0.3)
 
     im = np.expand_dims(img * (1 - dilated), axis=0)
     im = tf.convert_to_tensor(im, dtype=tf.float32)