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Support dithering with tiles #60

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adrhill opened this issue Dec 6, 2021 · 1 comment
Open

Support dithering with tiles #60

adrhill opened this issue Dec 6, 2021 · 1 comment
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enhancement New feature or request

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@adrhill
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adrhill commented Dec 6, 2021

Related to a question that came up in the Julia Slack #image-processing channel a while ago, it would be nice to dither using smaller images as tiles.

A simple way to implement this would be to average colors in each tile to obtain a color scheme. We would then obtain an IndirectArray from which it would be possible to reconstruct the tiled image.

One open issue is how to deal with non-square tiles. It might be necessary to rescale the input image to compensate for stretching of the output image.
@adrhill adrhill added the enhancement New feature or request label Dec 6, 2021
@adrhill adrhill mentioned this issue Dec 6, 2021
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@johnnychen94
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Is the idea to do a pixel-wise comparison or a tile-wise comparison?

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