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evanpacini / netpbm-c

Some headers and experiments with netpbm and C.
Creative Commons Zero v1.0 Universal
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feat: box blur using summed area table #21

Closed evanpacini closed 1 year ago

evanpacini commented 1 year ago

This could replace the quite inefficient KasperBlur. It runs in $O(wh)$ time instead of $O(whr^2)$ time.