inver blck for black and white image

.gitignore

@@ -208,4 +208,5 @@ __marimo__/
 temp_dir
 input.jpg
 comic_panel_extractor/api_outputs/
-temp.py
+temp.py
+test*.jpg

comic_panel_extractor/image_processor.py

@@ -52,7 +52,7 @@ class ImageProcessor:
         cv2.imwrite(str(binary_path), binary)
         cv2.imwrite(str(dilated_path), dilated)
         
-        return str(gray_path), str(binary_path), str(dilated_path)
+        return str(gray_path), str(binary_path), str(dilated_path), is_inverted
 
     def invert_if_black_dominates(self, binary):
         # Threshold to binary image

comic_panel_extractor/main.py

@@ -32,10 +32,11 @@ class ComicPanelExtractor:
         masked_image_path = self.image_processor.mask_text_regions([bubble["bbox"] for bubble in text_bubbles])
         
         # Step 2: Preprocess image
-        _, _, processed_image_path = self.image_processor.preprocess_image(masked_image_path)
+        _, _, processed_image_path, is_inverted = self.image_processor.preprocess_image(masked_image_path)
 
-        # Step 3: Remove Inner Sketch
-        processed_image_path = self.image_processor.remove_inner_sketch(processed_image_path)
+        if is_inverted:
+            # Step 3: Remove Inner Sketch
+            processed_image_path = self.image_processor.remove_inner_sketch(processed_image_path)
 
         # Step 4: Thin border line
         processed_image_path = self.image_processor.thin_image_borders(processed_image_path)