Update app.py

app.py

@@ -20,6 +20,8 @@ import subprocess
 
 import io
 
+from skimage import filters
+
 # Load the OCR model outside the function to prevent reloading it every time
 ocr_model = load_model()
 
@@ -160,10 +162,15 @@ def process_image(selected_image):
     # Optionally apply Gaussian Blur
     # blurred_img = cv2.GaussianBlur(gray_image, (3, 3), 0)
 
+    # Apply adaptive thresholding
+    
+    adaptive_threshold = filters.threshold_local(gray_image, block_size=35, offset=10)
+    
+    binary_adaptive = gray_image_array > adaptive_threshold
+        
     # Apply OTSU's thresholding
-    # _, thresh = cv2.threshold(gray_image, 0, 255, cv2.THRESH_BINARY + cv2.THRESH_OTSU)
+    _, thresh = cv2.threshold(binary_adaptive, 0, 255, cv2.THRESH_BINARY + cv2.THRESH_OTSU)
 
-    thresh = gray_image
     # kernel = get_dynamic_kernel(thresh.shape[0])
     # kernel = np.ones((5, 1), np.uint8)
     # thresh = cv2.morphologyEx(thresh, cv2.MORPH_CLOSE, kernel, iterations=2)