Update app.py

app.py

@@ -136,12 +136,13 @@ def extract_and_paste_insect(original_image: np.ndarray, detection: DetectionRes
     insect_crop = original_image[ymin:ymax, xmin:xmax]
     mask_crop = mask[ymin:ymax, xmin:xmax]
 
-    # Ensure the insect retains its original color
-    insect = cv2.bitwise_and(insect_crop, insect_crop, mask=mask_crop)
+    # Ensure the insect retains its original color by directly copying the pixel values
+    insect = np.zeros_like(insect_crop)
+    for c in range(3):
+        insect[:, :, c] = insect_crop[:, :, c] * (mask_crop / 255)
 
-    # np.where to ensure correct blending
     for c in range(3):
-        background[ymin:ymax, xmin:xmax, c] = np.where(mask_crop, insect[:, :, c], background[ymin:ymax, xmin:xmax, c])
+        background[ymin:ymax, xmin:xmax, c] = background[ymin:ymax, xmin:xmax, c] * (1 - mask_crop / 255) + insect[:, :, 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