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Hi, I'm trying to detect and map all pixels of a certain color. Then leave the pixels of that color. I have this image:

And I need to find the pixels orange (255,127,39). Then leave only the pixels of orange, like this:

I know the OpenCV has this function:

cv::findNonZero(src, vector_white_pixels);

but do not know if there is a similar function to specify color with pixels

Thanks for any help.