How can I to export a CMYK image in the TIFF-format using the PRINT command in MATLAB 7.7 (R2008b)?

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MathWorks Support Team
评论： Walter Roberson 2018-2-23
I am trying to export a TIFF-file in the CMYK colorspace as follows
surf(peaks);
print -r600 -dtiff -cmyk xxyyzz
However, I have verified that I always get an RGB image from the above call.

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采纳的回答

MathWorks Support Team
The PRINT command only supports the export of 24-bit TIFF-files. CMYK images require 32-bit depths. Thus the “-cmyk” flag is ignored by the PRINT command.
To workaround this one can export an RGB image and then use Image Processing Toolbox functionalities to convert this RGB image to a CMYK image. Here is an example
surf(peaks);
print -dtiff tempfig.tif %24-bit TIFF
rgb = imread('tempfig.tif');
cform = makecform('srgb2cmyk');
lab = applycform(rgb,cform);
imwrite(lab,'newfig.tif');

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