Expanding smaller objects inside person/car crop by 60%

dfine_jina_pipeline.py

@@ -392,8 +392,11 @@ def main():
                 if obj_w <= 0 or obj_h <= 0:
                     continue
 
-                pad_x = obj_w * 0.3
-                pad_y = obj_h * 0.3
+                # Small objects (min side < 24 px): expand by 60%; larger: 30%
+                min_side_obj = min(obj_w, obj_h)
+                pad_ratio = 0.6 if min_side_obj < 24 else 0.3
+                pad_x = obj_w * pad_ratio
+                pad_y = obj_h * pad_ratio
                 bx1 = max(0, int(bx1 - pad_x))
                 by1 = max(0, int(by1 - pad_y))
                 bx2 = min(img_w, int(bx2 + pad_x))
@@ -602,7 +605,11 @@ def run_single_image(
             if obj_w <= 0 or obj_h <= 0:
                 continue
 
-            pad_x, pad_y = obj_w * 0.3, obj_h * 0.3
+            # Small objects (min side < 24 px): expand by 60%; larger: 30%
+            min_side_obj = min(obj_w, obj_h)
+            pad_ratio = 0.6 if min_side_obj < 24 else 0.3
+            pad_x = obj_w * pad_ratio
+            pad_y = obj_h * pad_ratio
             bx1 = max(0, int(bx1 - pad_x))
             by1 = max(0, int(by1 - pad_y))
             bx2 = min(img_w, int(bx2 + pad_x))