recognize road signs

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Tulips
Tulips 2012-3-29
hello, cud I know how to recognize the pictogram image in the road sign?I have done detection stage ...then I faced problem with road signs recognition. As far as I m corcerned. there is 2 ways.. 1) by character extraction.e.g: a stop sign 2) pictogram extraction.. e.g: a give way sign. please advice.tqvm!
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Tulips
Tulips 2012-3-29
and one more thing, how to do image reference database [road sign] so that it can be used to recognize road sign in image frame using matlab..anyone who familiar with this maybe can help ..tq

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Image Analyst
Image Analyst 2012-3-29
Since this is not yet a MATLAB question, you should research sections 15 and 23 here: http://iris.usc.edu/Vision-Notes/bibliography/contents.html first, and then try to code up your favorite method there, then come back with your MATLAB questions.

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