iMX8 QT + opencv speed

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iMX8 QT + opencv speed

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alonghong
Contributor I

Hi Sir

I use IMX8QM EVB, and build fsl-image-qt-validation-imx.

Now I use opencv cvtColor to transfer YUV to RGB that the image size is 1280*800, but this function need to spend about 55 ms on qtcreator.

I test in PC, this function just spend 1 ms, I don't know the performance is right?

I compare others function like transfer Mat to QImage, in PC mode spend about 3 ms, in iMX8 spend about 15 ms.

I think maybe something wrong with iMX8 setting or QT setting.

Please kindly help me to solve this question.

Thanks a lot.

Best Regards.

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