Classifying Forest Vegetation Using Sub-region Classification Based on Multi-temporal Remote Sensing Images 
JING Xia,WANG Jin-di,WANG Ji-hua,HUANG Wen-jiang,LIU Liang-yun
Remote Sensing Technology and Application . 2008, (4): 394 -397 .  DOI: 10.11873/j.issn.1004-0323.2008.4.394