Change detection with spaceborne InSAR technique in Hong Kong

Change detection is an application to which SAR is particularly well suited since SARs can consistently produce high quality fine resolution imagery from multiple repeat pass collections. The aim of this paper is to extract all possible information from SAR-InSAR data and to asses to which extent this information can be exploited for change detection purposes in Hong Kong. We collaborate with Planning Department of Hong Kong and choose two small areas as experimental cases. A time series of high resolution SAR images acquired by the German satellite TerraSAR-X are used. High resolution optical images are used for comparison and comprehension.