Imagine I have a signal function, several examples: PSF Wavelet. How can I transform its logic into a kernel? By kernel I mean matrix which is used in the convolution afterward.
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1Do you mean that you want to express convolution-with-function-$f$ into an operator expressed by a kernel? – paul garrett Aug 26 '21 at 17:58
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@paulgarrett, Something like that. I want to be able to use a function as a matrix for image convolution. – Nourless Aug 26 '21 at 19:34