结合PCA的尺度不变特征变换(SIFT)算法，有详细的注释，通过反复训练模板能有较高的识别率，matlab小波分析程序，车牌识别定位程序的部分功能，采用了小波去噪的思想。- Combined with PCA scale invariant feature transform (SIFT) algorithm, There are detailed notes, Through repeated training NxfdNSslate have higher recognition rate, matlab wavelet analysis program, Part of the license plate recognition locator feature, Using wavelet denoising thought.