资源简介
稀疏分解; omp算法; matlab代码
代码片段和文件信息
function [A]=OMP(DXL);
%=============================================
% Sparse coding of a group of signals based on a given
% dictionary and specified number of atoms to use.
% input arguments:
% D - the dictionary (its columns MUST be normalized).
% X - the signals to represent
% L - the max. number of coefficients for each signal.
% output arguments:
% A - sparse coefficient matrix.
%=============================================
[n
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