pub fn sobel<T>(
input: &Array<T>,
ker_size: u32
) -> (Array<T::SobelOutType>, Array<T::SobelOutType>) where
T: HasAfEnum + ImageFilterType,
T::SobelOutType: HasAfEnum,
Sobel Operator
Sobel operators perform a 2-D spatial gradient measurement on an image to emphasize the regions of high spatial frequency, namely edges. A more in depth discussion on it can be found here.
input is the input imageker_size is the kernel size of sobel operatorA tuple of Arrays.
The first Array has derivatives along horizontal direction
The second Array has derivatives along vertical direction
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