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[BUG] Erroneous BGR -> YUV and YUV -> BGR color conversions in CV-CUDA v0.10 #182

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dlesage-nvidia opened this issue Aug 7, 2024 · 1 comment
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bug Something isn't working as expected (software, install, documentation)

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@dlesage-nvidia
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dlesage-nvidia commented Aug 7, 2024

Describe the bug

With the latest CV-CUDA v0.10.0-beta release, we introduced a bug in the optimizations of color conversions (the R and B channels are swapped in 'YUV to BGR' and 'BGR to YUV', see for instance cvt_color.cu).

We are working on releasing a patched version of our packages shortly.
In the meantime, we recommend that users working from source use the attached patch_cv-cuda_v0.10.1.txt, reverting the changes in color conversions from v0.10.0.
These optimizations will be reintroduced, with consolidated testing, in a future release.

Thank you for your understanding,
The CV-CUDA team.

Steps/Code to reproduce bug

  • use CV-CUDA v0.10
  • use cvtColor operator, YUV to BGR or BGR to YUV

Environment overview (please complete the following information)

  • CV-CUDA v0.10, all environments

patch_cv-cuda_v0.10.1.txt

@dlesage-nvidia dlesage-nvidia added the bug Something isn't working as expected (software, install, documentation) label Aug 7, 2024
@dlesage-nvidia
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CV-CUDA v0.10.1 has been released , with updated code and packages.
Thank you for your patience and understanding.

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