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updated 1 month ago

SOOT l1/l2 norm ratio sparse blind deconvolution by Laurent Duval

Sparse blind deconvolution in Gaussian noise with a non-convex regularized l1/l2 norm ratio penalty (signal processing, deconvolution, sparsity)

Hconv(h,x,L,ceilL)

Hconv_adj(h,y,L,ceilL)

SOOTalgorithm(x0, h0, xtrue, htrue, y, sigma,beta,eta, ...

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updated almost 2 years ago

Bregman Cookbook by Jerome Gilles

Jerome Gilles (view profile)

This toolbox provides signal/image/3D processing based on Bregman Iterations (bregman, l1, sparse)

R=AddCurveletArray(A,B)

R=AddFrameletArray(A,B)

R=ShrinkComplexCurvelet(A,tau)

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updated 2 years ago

OFDM Sparse Channel estimation by Hamid Ramezani

BER performance of LSE and sparse channel estimation for OFDM system. (ofdm, sparsity, channel estimation)

chabEst01_Para.m

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updated 4 years ago

Toolbox Sparse Optmization by Gabriel Peyre

Gabriel Peyre (view profile)

Optimization codes for sparsity related signal processing (time frequency, wavelets, sparsity)

Basis Pursuit Denoising with Forward-Backward

Basis Pursuit with Douglas Rachford

Constrained Total Variation Projection with ADDM

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updated 5 years ago

Solve quadratically constrained overdetermined l1 minimization. by Haim Avron

Solve min ||K * x - f||_1 s.t. ||y - x||_2 <= \epsilon where K has more rows than columns. (l1 minimization, sparsity, optimization)

l1minqc(K, f, y, epsilon, x0, lytol, mu, newtonmaxiter, m...

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updated 7 years ago

Visualize sparsity pattern by Dimitri Shvorob

(SPY in style) (specialized, plotting, spy)

SPYDEMO

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