enhancementhelp wanted
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Description
Is your feature request related to a problem? Please describe. It would be useful to have even sized kernel support for convolution etc.
Describe the solution you'd like The implementation could follow Matlabs imfilter/conv2 algorithm. Imfilter(M, k) result is same as conv2(M, k, 'same').
Matlabs documentation states: "If you specify an even-sized kernel h, then the center of the kernel is floor((size(h) + 1)/2).
For example, the center of 4-element filter [0.25 0.75 -0.75 -0.25] is the second element, 0.75. This filter gives identical results as filtering with the 5-element filter [0 0.25 0.75 -0.75 -0.25]."