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Questions - color-conversion

How does one shift hue in CIE-XYZ color space?

I need to implement my own hue rotation function within the CIE color space. I can't find any technical descriptions of how this is done. I found high level descriptions like "rotate around the Y...
test-img

Spectraljump

colors

shader

color-space

lab-color-space

color-conversion

Votes: 0

Answers: 1

Latest Answer

CIE color has a lot of representations and subrepresentations, and it's not visualized or explained technically or consistently around the internets.. After reading many sources and checking many proj...
test-img

Spectraljump

Inconsistent results for nppi and cv::cvtColor

When I run nppi and cv::cvtColor for color conversion, I get different results. // *data_ptr = 1, 1, 1, 1 cv::Mat image1(1, 2, CV_8UC2, data_ptr, 2*2); cv::Mat image2; cv::cvtColor(image1, image2, cv...
test-img

t9UhoI

c++

opencv

npp

color-conversion

Votes: 0

Answers: 1

Latest Answer

There are several YUV sub-formats. Have you tried cv::COLOR_YUV2RGB_I420, cv::COLOR_YUV420p2BGR etc. ? One of them might give you result more similar to nppiYUV422ToRGB_8u_C2C3R.
test-img

wohlstad

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