np.where experiment

app.py

@@ -138,10 +138,10 @@ def extract_and_paste_insect(original_image: np.ndarray, detection: DetectionRes
 
     # Ensure the insect retains its original color
     insect = cv2.bitwise_and(insect_crop, insect_crop, mask=mask_crop)
-    
-    # Place the insect on the yellow background
+
+    # np.where to ensure correct blending
     for c in range(3):
-        background[ymin:ymax, xmin:xmax, c] = background[ymin:ymax, xmin:xmax, c] * (1 - mask_crop) + insect[:, :, c] * mask_crop
+        background[ymin:ymax, xmin:xmax, c] = np.where(mask_crop, insect[:, :, c], background[ymin:ymax, xmin:xmax, c])
 
 def create_yellow_background_with_insects(image: np.ndarray, detections: List[DetectionResult]) -> np.ndarray:
     yellow_background = np.full((image.shape[0], image.shape[1], 3), (0, 255, 255), dtype=np.uint8)  # BGR for yellow