Update filters.py

filters.py

@@ -49,7 +49,7 @@ def canny_edge(image, lower_threshold: int=100, upper_threshold: int=200, conver
     edges = cv2.Canny(gray, lower_threshold, upper_threshold)
     return edges
 
-@registry.register("Sobel Edge", defaults={'dx': 1, 'dy': 0, 'kernel_size': 3, 'convert_to_gray': True}, min_vals={'dx': -1, 'dy': -1, 'kernel_size': 3}, max_vals={'dx': 1, 'dy': 1, 'kernel_size': 7}, step_vals={'dx': 1, 'dy': 1, 'kernel_size': 2})
+@registry.register("Sobel Edge", defaults={'dx': 1, 'dy': 0, 'kernel_size': 3, 'convert_to_gray': True}, min_vals={'dx': 1, 'dy': 1, 'kernel_size': 3}, max_vals={'dx': 2, 'dy': 2, 'kernel_size': 7}, step_vals={'dx': 1, 'dy': 1, 'kernel_size': 2})
 def sobel_edge(image, dx: int=1, dy: int=0, kernel_size: int=3, convert_to_gray: bool=True):
     """
     Applies the Sobel edge detector to detect horizontal or vertical edges.