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基于MATLAB的人脸识别系统
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温馨提示
本文使用了ORL人脸数据库,训练样本为40人,每人5张图片,共计200张图片,图片大小为92*122。测试样本为40人,每人5张图片共计200张图片,图片大小为92*122。ORL数据库可以从http://www.cl.cam.ac.uk/research/dtg/attarchive/facedatabase.html得到。如果只是以随机选择的方式来识别某个人的身份的话,从概率角度来说识别率仅为2.5%,我们的任务是如何使识别率突破50%或者更高,这是个艰巨的任务。从训练角度来看,我们需要处理40*5*92*112=2060800个像素点,这是个维度灾难。针对以上问题,本文提出了PCA+SVM+一对一投票策略与PCA+Adaboost+一对一投票策略来解决上述问题,达到了良好的效果,使测试样本的识别率分别达到了84%与52.5%。
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- zhuyajie1232015-04-26PCA+SVM 的运行不了 有问题
- Alex-0072014-05-01很有参考价值
- genyufeixiang2013-03-20实现了基于PCA+SVM和PCA+Adaboost等算法的人脸识别,有参考价值。。。
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