First Order Derivatives of an Image with the Sobel Operator

spatialGradient calculates the first order derivative of an image in both x and y using a Sobel operator.

spatialGradient(image, k_size = 5)

Arguments

image	An Image object.
k_size	The half-size in pixels of the kernel (default: 5).

Value

image An Image object.

See also

Image, sobel

Author

Simon Garnier, garnier@njit.edu

Examples

# TODO