在公安系统中，经常需要对人脸和照片进行识别，目前普遍采用人工识别方法。人工识别

方法具有识别效率低、工作量大、需要第三方支持和不能实现远程识别等缺点。而采用计算机

对人脸照片进行识别，能有效克服以上的缺点，实现自动、高效、网络化的识别。因此，采用计算

机对人脸照片进行识别的技术，可以大大地提高破案效率，增大对犯罪分子的威慑力量，对于

打击犯罪行为具有重要的意义。-In the public security system, often need to face and photo identification, current widespread use of artificial recognition. Artificial identification method has identified low efficiency, heavy workload, you need third-party support and long-range identification and other shortcomings can not be achieved. The use of computers to recognize human face photos, can effectively overcome the above drawbacks, automatic, efficient, network-based recognition. Therefore, using computer photos human face recognition technology that can greatly enhance the detection efficiency, increasing the deterrent force of criminal elements, for the fight against crime is of great significance.