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Preserve SSIM gradients through zero covariance - #136

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copybara-service[bot] merged 2 commits into
google-deepmind:masterfrom
sylvesterkaczmarek:fix/ssim-zero-covariance-gradients-20261006
Oct 26, 2026
Merged

copybara-service[bot] merged 2 commits into
google-deepmind:masterfrom
sylvesterkaczmarek:fix/ssim-zero-covariance-gradients-20261006

Move covariance gradient tests into metrics suite

1c55897
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Google CLA / cla/google succeeded Oct 19, 2026 in 2s

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✅ 1c55897 Author: @sylvesterkaczmarek <16242628+sylvesterkaczmarek​@users.noreply.github.com>

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