Unsupervised Change Detection for Satellite Images Using Dual-Tree Complex Wavelet Transform Celik, Turgay ; Ma, Kai-Kuang Abstract Publication: IEEE Transactions on Geoscience and Remote Sensing Pub Date: March 2010 DOI: 10.1109/TGRS.2009.2029095 Bibcode: 2010ITGRS..48.1199C