how to recognize three different colors and when one is recognised to do an action

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samir
samir 2011-11-21
hello everyone this is my first question and i am new to this "forum" so don't be mad if this question was asked earlier.
Is it possible to recognize 3 different colors (red,green,yellow) I am doing an project "traffic lights" and i need to write a program in matlab which recognizes 3 different colors red green and yellow and when the recognized color is green i would do action number 1 ,if it is yellow i would do action number 2 ....
It should be like this: a robot is moving and when seeing an object he turns web-cam on and now i have to determinate which color i see if it is r/g/y.
So my question is if i identify a color lets say it is green How can i say do action number 1.How to fuse the results of an image with code.
like switch: case1:green case2:yellow case3:red..
any ideas how this can be done
thank you very much for every help

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Image Analyst
Image Analyst 2011-11-21
See my color segmentation demos for several ways to do color detection and location: http://www.mathworks.com/matlabcentral/fileexchange/?term=authorid%3A31862

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