Hello! I am working on a project that involves classification of objects based on color. Assuming there are 5 objects in the captured image, please give me an idea as to how I can do the following: 1) How can I extract just the objects alone individually? (That is, without any image background) 2) How can I extract the RGB values of each of these objects in the image?
Thanks a lot!
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You may not need to do color segmentation to do that. It may be possible to just convert to grayscale and do the standard things (like in Walter's answer). If you want to do color segmentation, you can see the demos I've uploaded to my File Exchange http://www.mathworks.com/matlabcentral/fileexchange/?term=authorid%3A31862, but like I said, you may not need to get that sophisticated, depending on what your image looks like. If it's really simple with well separated high contrast colors then you can use Walter's method. You might also call rgb2ind() and see what kind of classification that provides to you. I can't really say much more without seeing the range of images you expect to encounter, so upload some if you want more advice.