ksvd MATLAB代码
于 2023-09-04 发布
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function [D,Gamma,err,gerr] = ksvd(params,varargin)%KSVD K-SVD dictionary training.% [D,GAMMA] = KSVD(PARAMS) runs the K-SVD dictionary training algorithm on% the specified set of signals, returning the trained dictionary D and the% signal representation matrix GAMMA.%% KSVD has two modes of operation: sparsity-based and error-based. For% sparsity-based minimization, the optimization problem is given by%% min |X-D*GAMMA|_F^2 s.t. |Gamma_i|_0
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