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Increased generation loss in JPEG encoder #2311

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Shnatsel opened this issue Aug 19, 2024 · 1 comment
Open

Increased generation loss in JPEG encoder #2311

Shnatsel opened this issue Aug 19, 2024 · 1 comment

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@Shnatsel
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In image v0.25.2, decoding and re-encoding JPEG 100 times makes the whole image go mostly green.

A showcase and reproduction code can be found here: https://github.com/OetkenPurveyorOfCode/generation_loss
@kornelski
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That means chroma channels are rounded towards zero.

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@kornelski @Shnatsel