A concept of statistical multiresolution analysis in amplitude-frequency domain is proposed,which is to employ the wavelet transform on the statistical character of a signal in amplitude domain.In terms of the theorem...A concept of statistical multiresolution analysis in amplitude-frequency domain is proposed,which is to employ the wavelet transform on the statistical character of a signal in amplitude domain.In terms of the theorem of generalized ergodicity,an algorithm to estimate the transform coefficients based on the amplitude statistical multiresolution analysis(AMA)is presented.The principle of applying the AMA to Synthetic Aperture Radar(SAR)image processing is described,and the good experimental results imply that the AMA is an efficient tool for processing of speckled signals modeled by the multiplicative noise.展开更多
基金supported by the National Natural Science Foundation of China(Grant No.60072041).
文摘A concept of statistical multiresolution analysis in amplitude-frequency domain is proposed,which is to employ the wavelet transform on the statistical character of a signal in amplitude domain.In terms of the theorem of generalized ergodicity,an algorithm to estimate the transform coefficients based on the amplitude statistical multiresolution analysis(AMA)is presented.The principle of applying the AMA to Synthetic Aperture Radar(SAR)image processing is described,and the good experimental results imply that the AMA is an efficient tool for processing of speckled signals modeled by the multiplicative noise.