[1]School of Electronic and Information Engineering Beihang University Beijing 100191 China;
[2]Research Institute of Unmanned Aerial Vehicle Beihang University Beijing 100191 China;
[3]Collaborative Innovation Center of Geospatial Technology Wuhan 430079 China;
空间信息框架; 区域检测; 信息计算; 局部对比度; 背景抑制; 目标区域; 显著性; 像素级;