Title :
Speckle reduction by wavelet transform
Author :
Lu, Y.H. ; Loh, Y.L. ; Yeo, T.S. ; Zhang, C.B.
Author_Institution :
Nat. Univ. of Singapore, Singapore
Abstract :
This paper presents a new method of speckle reduction by incorporating the refined Lee filter in the spatial domain with wavelet shrinkage. Experimental results are very encouraging. Speckle is suppressed to a great extent without affecting the edge sharpness significantly
Keywords :
filtering theory; image enhancement; interference suppression; radar imaging; speckle; synthetic aperture radar; wavelet transforms; SAR imaging; edge sharpness; image processing; refined Lee filter; remote sensing; spatial filtering; speckle reduction; speckle suppression; wavelet shrinkage; wavelet transform; Filters; Frequency; Noise reduction; Radar scattering; Rough surfaces; Signal resolution; Speckle; Surface roughness; Surface waves; Wavelet transforms;
Conference_Titel :
Microwave Conference Proceedings, 1997. APMC '97, 1997 Asia-Pacific
Print_ISBN :
962-442-117-X
DOI :
10.1109/APMC.1997.656383
