How to convert RGB image to gray scale using Principal Component Analysis (PCA) transform?

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hamed abdulaziz 2013-12-24

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https://ww2.mathworks.cn/matlabcentral/answers/110610-how-to-convert-rgb-image-to-gray-scale-using-principal-component-analysis-pca-transform

编辑： Image Analyst 2013-12-24

Hi All,

I have an RGB image how can I convert it to gray scale using Principal Component Analysis (PCA) transform? Is there a built in Matlab function do that? Or any matlab code my be useful Thanks in advance for help

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Answer 1

Image Analyst 2013-12-24

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https://ww2.mathworks.cn/matlabcentral/answers/110610-how-to-convert-rgb-image-to-gray-scale-using-principal-component-analysis-pca-transform#answer_119252

编辑：Image Analyst 2013-12-24

Good question. There is nothing built into the Image Processing Toolbox that I'm aware of though I wish there were. You can look at this link posted by Helen at the Mathworks: http://www.mathworks.com/matlabcentral/linkexchange/links/2031-putting-pca-to-work

Or see if anything in the File Exchange will work for you: http://www.mathworks.com/matlabcentral/fileexchange/index?utf8=%E2%9C%93&term=pca