The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences. Vol. XXXVII. Part Bl. Beijing 2008 
122 
Fetter F.M., Gineris D., Perbos J.S. 1994. Sea ice type map 
from Alaska synthetic aperture radar facility imagery: an 
assessment. Journal of Geophysical Research, 99(C11), 
pp.22443-22458. 
Frost V.S., Stiles J.A., Schanmugan K.S., Holzman J.C. 1982. 
A model for radar images and its application to adaptive 
digital filtering of multiplicative noise. IEEE Transation on 
Pattern Analysis and Machine Intelligence, 4(2), pp. 157-166. 
Gupta K.K. Gupta R. 2007. Despeckle and geographical 
feature extraction in SAR images by wavelet transform. 
ISPRS Journal of Photogrammetrv &Remote Sensing, 62(), 
pp.473-484. 
Kuan D.T., Sawchuk A.A., Strand T.C., Chavel P. 1987. 
Adaptive restoration of images with speckle. IEEE 
Transactions on Acoustics, Speech, and Signal Processing, 
35(3), pp.373-383. 
Lee, J.S., 1980. Digital image enhancement and noise filtering 
by use of local statistics. IEEE Transactions on Pattern Analysis 
and Machine Intelligence 2 (2), 165-168. 
Lee J.S. 1980. Digital image enhancement and noise filtering 
by use of local statistics. IEEE Transactions on Pattern 
Analysis andMachine Intelligence, 2(2), pp. 165-168. 
Mallat S., Hwang W L. 1992. Singularity Detection and 
Processing with Wavelets. IEEE. Transations on Information 
Theory, 38(3), pp.617-643.