
In the unoptimized version of small symmetrical column filters, when we try to detect if the kernel, ky, is equal to [1;2;1] or [1;-2;1] we should take into consideration that the anchor points in the middle element.
In the unoptimized version of small symmetrical column filters, when we try to detect if the kernel, ky, is equal to [1;2;1] or [1;-2;1] we should take into consideration that the anchor points in the middle element.