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Tamil Adhavan S K f7ebc74dc6 fix(augment): align Kornia GaussianBlur/GaussNoise defaults with albumentations (#1395)
Two Kornia factory defaults did not match the Albumentations defaults they
stand in for, so switching augmentation_backend silently changed
augmentation strength for the same aug_config.

GaussianBlur sigma defaulted to Kornia's own (0.1, 2.0) while the
albumentations default is (0.5, 3.0); an unspecified sigma blurred less on
the GPU path, and the call-site comment claimed the opposite. AUG_INDUSTRIAL
reaches this default (it sets blur_limit but no sigma).

GaussNoise std_range defaulted to rf-detr's own (0.01, 0.05) against the
albumentations default (0.2, 0.44) on the same 0-1 image scale, 4-9x weaker.
The default is now the albumentations one.

Doc table updated; regression tests pin both defaults to the live
albumentations values. Rebased onto current develop.

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Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: Jirka Borovec <6035284+Borda@users.noreply.github.com>
Co-authored-by: Codex <codex@openai.com>
2026-08-24 10:40:04 +02:00
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