Update app.py

Improve UX in case no prompted object detected

app.py

@@ -46,7 +46,7 @@ def detect_objects(image_url, uploaded_image, text_prompt):
         results = processor.post_process_grounded_object_detection(
             outputs,
             inputs.input_ids,
-            threshold=0.4,
+            threshold=0.25,
             target_sizes=[image.size[::-1]]
         )
 
@@ -76,13 +76,14 @@ def detect_objects(image_url, uploaded_image, text_prompt):
                 draw.text((x1, max(0, y1 - 15)), f"{label} {score:.2f}", fill="red")
 
         if not detected_labels:
-            return """
-                # No objects detected
+            searched_object = text_prompt.strip().rstrip(".")
+            return f"""
+                # No "{searched_object}" detected
                 
                 Try:
-                - lowering the threshold
-                - using a clearer image
                 - changing the detection prompt
+                - using a clearer image
+                - lowering the threshold
                 """, image
 
         counts = Counter(detected_labels)