Key Laboratory for Satellite Mapping Technology and Application of National Administration of Surveying;
Mapping and Geoinformation;
Nanjing University;
Nanjing City;
Jiangsu Province;
P.R.China;
Department of Information Engineering and Computer Science;
University of Trento;
Trento;
Italy;
Jiangsu Provincial Key Laboratory for Resources and Environment Information Engineering;
China University of Mining and Technology;
Xuzhou;
Jiangsu Province;
P.R.China;
change detection; sub-pixel level processing; multi-temporal images; spectral mixture model; back propagation neural network; remote sensing;