Matchbox – Part 6: The Box Blur

As promised, we tell as much as we can about image filtering. Convolve your matrix with an average filter like there is no tomorrow! You finally get the opportunity to write your very own blur. We also explain why some blurs get slow as you make the radius - and we explain what the whole "radius" business is about.

As usual, no code will be provided - please write your own, feel free to ask if something is not working out.

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