Update app.py

app.py

@@ -93,12 +93,15 @@ def scan_edges(image):
     # Convert to grayscale
     gray = cv2.cvtColor(image, cv2.COLOR_RGB2GRAY)
     
+    clahe = cv2.createCLAHE(clipLimit=2.0, tileGridSize=(8,8))
+    
     # Apply Gaussian blur
     blurred = cv2.GaussianBlur(gray, (5, 5), 0)
-    
+
+    enhanced = clahe.apply(gray_image)
     
     # Edge detection using Canny
-    edges = cv2.Canny(blurred, 50, 150)
+    edges = cv2.Canny(enhanced, 50, 150)
     
     # Convert back to RGB for display
     edges_rgb = cv2.cvtColor(edges, cv2.COLOR_GRAY2RGB)