fix: image alpha error

app/services/layout_detector.py

@@ -140,18 +140,39 @@ class LayoutDetector:
 
 if __name__ == "__main__":
     import cv2
+    from app.core.config import get_settings
     from app.services.image_processor import ImageProcessor
-
+    from app.services.converter import Converter
+    from app.services.ocr_service import OCRService
+    
+    settings = get_settings()
+    
+    # Initialize dependencies
     layout_detector = LayoutDetector()
-    image_path = "test/timeout.png"
-
+    image_processor = ImageProcessor(padding_ratio=settings.image_padding_ratio)
+    converter = Converter()
+    
+    # Initialize OCR service
+    ocr_service = OCRService(
+        vl_server_url=settings.paddleocr_vl_url,
+        layout_detector=layout_detector,
+        image_processor=image_processor,
+        converter=converter,
+    )
+    
+    # Load test image
+    image_path = "test/complex_formula.png"
     image = cv2.imread(image_path)
-    image_processor = ImageProcessor(padding_ratio=0.15)
-    image = image_processor.add_padding(image)
-
-    # Save the padded image for debugging
-    cv2.imwrite("debug_padded_image.png", image)
-
-
-    layout_info = layout_detector.detect(image)
-    print(layout_info)
+    
+    if image is None:
+        print(f"Failed to load image: {image_path}")
+    else:
+        print(f"Image loaded: {image.shape}")
+        
+        # Run OCR recognition
+        result = ocr_service.recognize(image)
+        
+        print("\n=== OCR Result ===")
+        print(f"Markdown:\n{result['markdown']}")
+        print(f"\nLaTeX:\n{result['latex']}")
+        print(f"\nMathML:\n{result['mathml']}")