init home for toher featues

scripts/detect-blank-pages.py

@@ -0,0 +1,39 @@
+import cv2
+import numpy as np
+import sys
+
+def is_blank_image(image_path, threshold=10, white_value=255, blur_size=5):
+    image = cv2.imread(image_path, cv2.IMREAD_GRAYSCALE)
+    
+    if image is None:
+        print(f"Error: Unable to read the image file: {image_path}")
+        return False
+
+    # Apply Gaussian blur to reduce noise
+    blurred_image = cv2.GaussianBlur(image, (blur_size, blur_size), 0)
+
+    _, thresholded_image = cv2.threshold(blurred_image, white_value - threshold, white_value, cv2.THRESH_BINARY)
+    
+    # Calculate the percentage of white pixels in the thresholded image
+    white_pixels = np.sum(thresholded_image == white_value)
+    total_pixels = thresholded_image.size
+    white_pixel_percentage = (white_pixels / total_pixels) * 100
+
+    return white_pixel_percentage > 99
+
+
+
+if __name__ == "__main__":
+    if len(sys.argv) != 2:
+        print("Usage: python detect_blank_page.py <image_path>")
+        sys.exit(1)
+
+    image_path = sys.argv[1]
+    blank = is_blank_image(image_path)
+
+    if blank:
+        # Return code 1: The image is considered blank.
+        sys.exit(1)
+    else:
+        # Return code 0: The image is not considered blank.
+        sys.exit(0)