How to convert RGB to ycbcr420?

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ramdori on 22 May 2011

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I'm trying to convert RGB to ycbcr420. but I don't know how to do that,

if one bmp image is converted to ycbcr,I try to this code,

ycbcrimage=rgb2ycbcr(RGBimage);

but this ycbcrimage is 4:4:4 mode, isn't it?

What can I do to get ycbcr420?

thanks!

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Ben Mitch on 22 May 2011

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https://au.mathworks.com/matlabcentral/answers/7980-how-to-convert-rgb-to-ycbcr420#answer_10972

http://www.mathworks.com/matlabcentral/newsreader/view_thread/161961

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