系统选用S3C2410A处理器作为硬件平台,Linux操作系统作为软件平台,采用0V7640+OV511的结构实现图像信息采集,使用基于V4L的方法编写图像处理、检测和识别程序,实现了快速、准确识别人脸的功能;并对相关浮点算法进行了改进,极大地提高了ARM处理器上图像预处理的速度。采用基于隐马尔可夫模型(HMM)的方法,简化了人脸检测和识别的过程。%The system uses a CMOS digital imaging sensor OV7640 plus OV511, the S3C2410A processor and the Linux operation system for the image processing. The program is written by the method of V4L, including image-pretreatment, face detecting and recognition. The
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