test meta

backend.py

@@ -80,8 +80,11 @@ def visualize_image(im, mode="BOTH", tree_threshold=0.7, building_threshold=0.7,
         tree_instances = segment_tree(im, tree_threshold)
         building_instances = segment_building(im, building_threshold)
         instances = Instances.cat([tree_instances, building_instances])
+        
+    meta = MetadataCatalog.get("predict")
 
     visualizer = Visualizer(im[:, :, ::-1],
+                            metadata=meta,
                             scale=0.5,
                             instance_mode=color_mode)