what is an R-B feature image,how to convert an RGB image to R-B feature image? ,plase give code in matlab?

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shamili on 10 Jan 2015

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Commented: shamili on 10 Jan 2015

Accepted Answer: Image Analyst

what is an R-B feature image,how to convert an RGB image to R-B feature image? ,plase give code in matlab?

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Image Analyst on 10 Jan 2015

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% Extract the individual red, green, and blue color channels.
redChannel = rgbImage(:, :, 1);
greenChannel = rgbImage(:, :, 2);
blueChannel = rgbImage(:, :, 3);
redMinusBlue = double(radChannel) - double(blueChannel);
imshow(redMinusBlue, []);

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shamili on 10 Jan 2015

thanku for this answer but it is giving that "Undefined function 'rgbImage' for input arguments of type 'char'.

shamili on 10 Jan 2015

yaahh its working...thanq very much.

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