LBP指局部二值模式，英文全称：Local Binary Pattern，是一种用来描述图像局部特征的算子，LBP特征具有灰度不变性和旋转不变性等显著优点。(LBP refers to the local binary pattern, is an operator used to describe the local features of the image, LBP features with gray scale invariance and rotation invariance a