Update app.py

app.py

@@ -18,13 +18,15 @@ def fast_poisson_sharpening(img, alpha):
     return np.clip(output, 0, 1)
 
 def sharpen_image(input_img, alpha):
+    # Convert BGR to RGB
     img = cv2.cvtColor(input_img, cv2.COLOR_BGR2RGB).astype('float32') / 255.0
     
     sharpen_img = np.zeros_like(img)
     for b in range(3):
         sharpen_img[:,:,b] = fast_poisson_sharpening(img[:,:,b], alpha)
     
-    return (sharpen_img * 255).astype(np.uint8)
+    # Convert back to BGR for output
+    return cv2.cvtColor((sharpen_img * 255).astype(np.uint8), cv2.COLOR_RGB2BGR)
 
 # Create examples list
 examples = [