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Also, I believe that I did not make the very best choice for the (de)blur that defines EWA LanczosSharp very many years ago given that the intent was % 'No-Op' Vertical and Horizontal Line Preservation Condition: Images with % only vertical or horizontal features are preserved when performing 'no-op...

... More generally, quite a lot of what's in https://code.videolan.org/videolan/libplacebo/-/blob/master/src/filters.c?ref_type=heads can be traced to https://github.com/ImageMagick/ImageMagick/blob/main/MagickCore/resize.c without, sadly, some of the kernel simplifications, https://legacy.imagemagi...

I understand that FLOSS (or any) devs have something else to do that properly give credit, esp. when what they did was inspired by something else than the code in which an algorithm was originally presented (when the algorithms are "third hand hand-me-downs"; maybe I should complain upstre...