The files are the MATLAB source code for the two papers：
Spectral-spatial hyperspectral image classification with edge-preserving filtering
IEEE Transactions on Geoscience and Remote Sensing, 2014.
Feature extraction of hyperspectral images with image fusion and recursive filtering
IEEE Transactions on Geoscience and Remote Sensing, 2014.
代码从湖南大学 康旭东 老师个人主页上下载，仅供科研使用