How can I split an hsv image into separate h,s,v components?
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I have a white balanced image in rgb format. I want to convert the rgb image into hsv image and want to split into separate h,s,v components
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Walter Roberson
2015-10-12
HSV = rgb2hsv(YourRGBImage);
H = HSV(:,:,1);
S = HSV(:,:,2);
V = HSV(:,:,3);
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DGM
2022-10-27
I'm going to assume that these images are still on disk and need to be read. If that's the case, then the question is largely "how do I read multiple images". The details might depend on whether you need to process the images sequentially or together, but there are a number of examples on the forum:
There are also quite a few examples (even some within those) that include writing multiple files, as that's often part of the same task.
A more detailed and specific answer would require a more detailed description of the overall task and the intended workflow. That said, elaborating might warrant starting a new thread.
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DGM
2021-11-15
编辑:DGM
2021-11-15
Since R2018b, you can also use imsplit(). Imsplit will work on any multichannel image.
% you can split an RGB image into its channels
Argb = imread('peppers.png');
[R G B] = imsplit(Argb);
% or you can split an HSV image just the same
Ahsv = rgb2hsv(Argb);
[H S V] = imsplit(Ahsv);
% it would even work if the number of channels isn't 3
Argba = cat(3,Argb,im2uint8(V)); % maybe you have an alpha channel
[R G B A] = imsplit(Argba);
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