Create overlay_service.py

services/overlay_service.py

@@ -0,0 +1,21 @@
+import cv2
+
+def overlay_boxes(image_path, boxes):
+    image = cv2.imread(image_path)
+    if image is None:
+        return None
+    
+    for box in boxes:
+        x1, y1, x2, y2, label = box
+        color = (0, 255, 0) if label == "normal" else (0, 0, 255)
+        cv2.rectangle(image, (x1, y1), (x2, y2), color, 2)
+        cv2.putText(
+            image, 
+            label, 
+            (x1, y1 - 10), 
+            cv2.FONT_HERSHEY_SIMPLEX, 
+            0.5, 
+            color, 
+            2
+        )
+    return image