完整的基于HMM的语音识别系统，人脸识别中的光照处理方法，二维声子晶体FDTD方法计算禁带宽度的例子。- Complete HMM-based speech recognition system, Face Recognition light treatment method, Dimensional phononic crystals FDTD method calculation examples band gap.

完整的基于HMM的语音识别系统，Gabor小波变换与PCA的人脸识别代码，利用matlab针对图像进行马氏距离计算 。- Complete HMM-based speech recognition system, Gabor wavelet transform and PCA face recognition code, Using matlab to calculate the Mahalanobis distance for the image.

完整的基于HMM的语音识别系统，Gabor小波变换与PCA的人脸识别代码，利用最小二乘算法实现对三维平面的拟合。- Complete HMM-based speech recognition system, Gabor wavelet transform and PCA face recognition code, Least-squares algorithm to fit a three-dimensional plane.