。对不同标志图案识别问题，提出了连通域数量判别法和模板匹配

法。实验结果表明，所提方法能较好地识别人工标志，为实现虚实场景的实时融合打下了基础。-reality．A method to recognize mark area by connectivity area abstraction of the binary image which includes marks，is presented．

According to different mark pattern recognition．a method based on the number of connectivity ar哪of the paRem and ameth—

od based on template match ar}e presented．The result pmves the methods presented call recognize the marks accurately．which gets

prepared for the real time synthesis of the virtual and the real．