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imgproc: sigma2=sigma1 in top-level function of GaussianBlur#22717

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opencv-pushbot merged 1 commit intoopencv:3.4from
alalek:issue_22716
Oct 31, 2022
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imgproc: sigma2=sigma1 in top-level function of GaussianBlur#22717
opencv-pushbot merged 1 commit intoopencv:3.4from
alalek:issue_22716

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@alalek alalek commented Oct 28, 2022

fixes #22716

@alalek alalek mentioned this pull request Oct 28, 2022
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elpalmer commented Oct 28, 2022

@alalek Will you also fix case where both sigmaX and sigmayY are zero?

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alalek commented Oct 28, 2022

both sigmaX and sigmayY are zero

Currently no. There is dedicated check in ipp_GaussianBlur:

    if(sigma1 < FLT_EPSILON)
        return false;

So this mode is not supported through IPP code path yet.

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alalek commented Oct 31, 2022

👍

@opencv-pushbot opencv-pushbot merged commit b418eb1 into opencv:3.4 Oct 31, 2022
@alalek alalek mentioned this pull request Nov 16, 2022
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@alalek alalek mentioned this pull request Jan 8, 2023
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bug category: imgproc optimization

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ipp_GaussianBlur path in cv::GaussianBlur does not set sigmaY=sigmaX when sigmaY=0, just returns

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