这篇文章是我实验室写的基于2DPCA的红外人脸识别方法，这里面系统的阐述了使用2DPCA算法比传统PCA算法的好处，本文还阐述了红外图像在人类识别方面独特的优点及存在的不足。-This article is written in my laboratory face recognition method based on infrared 2DPCA, there is a systematic exposition of the use of algorithms than the traditional PCA algorithm 2DPCA benefits, the paper also describes the infrared image in human identification for the existence of the unique advantages and inadequate.