采用了Brovey方法,将不同时相的MODIS影像与高空间分辨率ETM影像融合,实现了对重庆市渝北区城市扩张变化情况的检测,据此分析了该区的发展模式和特点。
Different time serial ETM+ image and MODIS 250M data are merged via Brovey fusion method.After fusion process,the second principal-component method and unsupervised classification are applied to detected land cover changes.