surethresh.m

随机信号处理中的经典去噪算法集合

function [x,thresh] = SUREThresh(y)
% SUREThresh -- Adaptive Threshold Selection Using Principle of SURE
%  Usage 
%    thresh = SUREThresh(y)
%  Inputs 
%    y        Noisy Data with Std. Deviation = 1
%  Outputs 
%    x        Estimate of mean vector
%    thresh   Threshold used
%
%  Description
%    SURE referes to Stein's Unbiased Risk Estimate.
%
	thresh = ValSUREThresh(y);
	x      = HardThresh(y,thresh);    

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% Copyright (c) 1993-5.  Jonathan Buckheit, David Donoho and Iain Johnstone
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% Part of WaveLab Version 802
% Built Sunday, October 3, 1999 8:52:27 AM
% This is Copyrighted Material
% For Copying permissions see COPYING.m
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