I'm doing my engineering project on license plate detection . I'm getting error during segmentation for using "imag_seg_ex" function . How to clear that error or is there any other function which replaces that one ?

I'm doing my engineering project on license plate detection . I'm getting error during segmentation for using "imag_seg_ex" function . How to clear that error or is there any other function which replaces that one ?

[Image Analyst]

http://www.mathworks.com/matlabcentral/answers/6200-tutorial-how-to-ask-a-question-on-answers-and-get-a-fast-answer

http://www.mathworks.com/help/vision/examples/automatically-detect-and-recognize-text-in-natural-images.html?prodcode=VP&language=en