jgg     2010 30 (5):  116-120    ISSN: 0412-1961  CN: 21-1139/TG STUDY ON FILTERING METHODS OF InSAR INTERFEROGRAM IN CONTOURLET DOMAIN Zhu Chuanguang 1, 2) ; Fan Hongdong 1, 2) ; Deng Kazhong 1) ; and Xue Jiqun 1) 1)China University of Mining and Technology, Jiangsu Key Laboratory of Resources and Environmental Information Engineering，Xuzhou 2211162)Henan Polytechnic University, Key Laboratory of Mine Spatial Information Technologies, Jiaozuo 454000 Received: 1900-01-01  Revised: 1900-01-01  Online: null Supporting info null