giant.image_processing.VERTICAL_KERNEL¶
- giant.image_processing.VERTICAL_KERNEL = array([[ 1, 2, 1], [ 0, 0, 0], [-1, -2, -1]])¶
The vertical Sobel kernel for convolving with an image when computing the vertical image gradients.
https://www.researchgate.net/publication/239398674_An_Isotropic_3x3_Image_Gradient_Operator