Update app.py

app.py

@@ -40,7 +40,7 @@ def visualize_instance_seg_mask(mask):
     unique_vertices, indices = np.unique(window_vertices, axis=0, return_inverse=True)
 
     # Perform Delaunay triangulation
-    tri = Delaunay(window_vertices[:, :2])  # Triangulate only based on x and y coordinates
+    tri = Delaunay(unique_vertices[:, :2])  # Triangulate only based on x and y coordinates
     
     # Extract indices
     indices = tri.simplices