资源简介
两个l1准则下的噪声干扰信号压缩感知重构举例,两个例子的稀疏矩阵均为DCT矩阵,而观测矩阵分别采用单位阵和随机矩阵,有详细的步骤和使用方法,适用于初步的学习压缩感知方法。
代码片段和文件信息
function y = eig_max(Amnum)
%Calculate the maximal singular value of A‘*A
%m is the row number for A
%num is the maximal iterative number
%Created by Li Ao from Harbin Engineering University
u = randn(m1);
u = u./norm(u);
k = num;
A = A*A‘;
while(k)
u = A*u;
u = u./norm(u);
k = k-1;
end
y = u‘*A*u;
属性 大小 日期 时间 名称
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文件 328 2012-10-30 15:36 l1_norm for compressed sensing\eig_max.m
文件 442 2010-11-16 06:54 l1_norm for compressed sensing\gen_dct.m
文件 1125 2012-10-30 16:04 l1_norm for compressed sensing\l1_norm.m
文件 1064 2012-10-30 15:55 l1_norm for compressed sensing\Optimal_l1_norm.m
文件 1199 2012-10-30 16:18 l1_norm for compressed sensing\randsampling_l1_norm.m
文件 280 2012-10-30 15:22 l1_norm for compressed sensing\up_data.m
目录 0 2012-10-30 16:06 l1_norm for compressed sensing
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