Sync from GitHub: e183541197d8e0dcce4d172968f2290122cd5d77

inference.py

@@ -570,14 +570,15 @@ class InferenceProcessor:
         validated_fields["signature"] = signature_info
         validated_fields["stamp"] = stamp_info
         
-        # Calculate overall confidence
-        confidences = [field_confidence]
+        # Calculate overall confidence - average of YOLO detection scores only
+        confidences = []
         if signature_info["present"]:
             confidences.append(signature_conf)
         if stamp_info["present"]:
             confidences.append(stamp_conf)
         
-        overall_confidence = round(sum(confidences) / len(confidences), 3)
+        # If both sign and stamp detected, average them; otherwise use whichever is present
+        overall_confidence = round(sum(confidences) / len(confidences), 3) if confidences else 0.0
         
         # Calculate time and cost
         total_time = time.time() - total_start