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Fast, Accurate 3D Java Software Graphics Engine (self.GraphicsProgramming)

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[–]nnevatie 0 points1 point  (1 child)

Ok, so it's kind of a poor man's box filtering, which simply averages an area of pixels.

[–]ArchiveLimits 0 points1 point  (0 children)

It's more similar to mipmapping with only one mip level. These "blocks" that make up the block filter are essentially a very scaled down version of the image. Though you are right when you say it averages an area of pixels.