In vehicle tracing and locating, character points matching in stereo vision algorithm has more calculation works, high error matching probability and can not run in real time. In this paper, the technology of character points matching is studied. After compared several matching algorithms, we put forward a method named rectangle constraint of color field matching. The experiment results show that the method has 100% matching accuracy, quickly calculating rate and strong adaptability.
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石德乐,叶培建,贾阳,王荣本,郭烈.车辆导航立体视觉测量技术特征点匹配方法[J].农业机械学报,2007,38(9):134-137.[J]. Transactions of the Chinese Society for Agricultural Machinery,2007,38(9):134-137.