YUV422(16bit) to RGB(24bit) conversion

0

cvCvtColor

asked Jul 7 '0

AibohphobiA
21 ●2

updated Jul 7 '0

supra56

943 ●9 ●6

Hi All, I am trying to convert a yuv422(16 bit) image to RGB(or BGR, 24 bit), with little success so far. My code is as follows:

cv::Mat rgb(input->Height(), input->Width(), CV_8UC2, (char*)input->GetData());
cv::Mat webimg(workingImage->Height(), workingImage->Width(), CV_8UC3, workingImage->GetData());
cv::cvtColor(rgb, webimg, CV_YUV2RGB_UYVY);

The coloring I am getting is way off(mostly green and purple like one of those old MTV clips) $C:\fakepath\Capture.JPG$

Any help would be appreciated.

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2

answered Jul 12 '0

AibohphobiA
21 ●2

After battling with the conversion(and trying to do it manually) I decided to try a few other types out. Eventually, cv::cvtColor(rgb, webimg, CV_YUV2BGR_YUY2); provided me with a successful conversion.

Hope this helps anyone in the future.

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answered Jul 13 '0

michael_t
1

Based on what you described, I think your YUV422 image is of YUV2 format, that’s why the CV_YUV2RGB_UYVY didn’t work. There are two different formats of YUV422, you can get more details here: https://docs.microsoft.com/en-us/wind...

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answered Jul 14 '0

madhusingh
1

I decided to try out a couple of other types. Finally, cv::cvtColor(rgb, webimg, CV YUV2BGR YUY2); supported a good conversion for me;

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answered Jul 7 '0