灰度空间共现矩阵(SGLD)是著名的提取目标纹理的特征，已经成功地应用于人脸检测等计算机视觉中。大家可研究此MAtlab代码，在实用中转化为C代码使用。-Gray is a total space matrix (SGLD) is a well-known goal of extracting texture characteristics, has been successfully applied to the face detection and other computer vision

图片常用纹理特征的提取方法集合，包括灰度共生矩阵，LBP,CABER等-the methods of texture feature extreation