Probabilistic Non-Local Means by Yue Wu

This code implements the probabilistic non-local means algorithm for image denoising. (kernel estimation, denoising, signal processing)

PNLM(ObsImg,PatchSizeHalf,WindowSizeHalf,EstSigma,RhoSq)

DirLOT Toolbox by Shogo Muramatsu

MATLAB class definitions for directional lapped orthogonal transforms (boundary operation, system object, genlot)

Quick Start of DirLOT Toolbox

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Dynamic non-local means (DNLM) for denoising of dynamic medical image sequences by Yaniv

Effective and robust denoising for 4D medical images (e.g. DCE-MRI, fMRI, dynamic PET) (noise, denoising, medical images)

dnlm.m

estimate_noise_dwt(img, Wname)

LMMSE filter for Rician MRI data by SANTIAGO AJA-FERNANDEZ

A filtering scheme for denoising MR data assuming an underlying Rician model. (mri, noise, denoising)

I_est=MRI_lmmse(Im,Ws,varargin)

2-D adaptive noise-removal filtering by SANTIAGO AJA-FERNANDEZ

Modified version of WIENER2 from image toolbox with proper noise estimation (image processing, noise estimation, gaussian noise)

wienerC(g,varargin)

De-noising signal using DWT by Nadya Amalia

m-file for de-noising signal using discrete wavelet transform. matlab 7.0 (denoising, dwt, signal)

dekomposisilev3.m

Split Bregman method for Total Variation Denoising by Benjamin Tremoulheac

Implement the split Bregman method for total variation denoising (denoising, image processing, split bregman)

SB_ATV(g,mu)

SB_ITV(g,mu)

main_denoising.m

Wavelet Decomposition For Images by Michael Chan

The demo decouples the wavelet operations from the plotting. (denoising, transform, compression)

PSNR(A,B)

displayResultantWaveletImages(A, H, V, D, levelOfDecomposit...

observeWaveletDecompositionBenchmark_N_levels.m

Bregman Cookbook by Jerome Gilles

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)

Denoising guassian image by GAARK Microdevice

need to remove guassian noise (denoising, image compression, guassian noise)

code_3.m

Edge detection by nonlinear derivatives by Olivier LALIGANT

This short demo presents an efficient algorithm for edge detection. (image processing, edge detection, edge localization)

edgeNL()

AntShrink: Ant colony optimization for image shrinkage by Kanchi

AntShrink: Ant colony optimization for image shrinkage (image processing, denoising, signal processing)

denoise_PRL_2010_main

A wavelet-domain non-parametric statistical approach for image denoising by Kanchi

A wavelet-domain non-parametric statistical approach for image denoising (image processing, denoising)

denoise_IEICE_2010_main

Hidden Markov Tree model of Contourlet Transform by duncanpo Po

MATLAB files that fit a hidden Markov tree model (contourlet, denoise, denoising)

contourlet(pyrfilter, dirfilter, levndir, imname, imformat)

contourlet2tree(coef, dir)

contournc(nv, pyrfilter, dirfilter, nlev, imdim)

Fast Non-Local Means 1D, 2D Color and 3D by Dirk-Jan Kroon

NL-means image and signal denoising filter based on similarity between pixel patches (nonlocal, 3d, denoising)

J=NLMF(I,Options)

NLMF2Dtree(I, Options)

Image Edge Enhancing Coherence Filter Toolbox by Dirk-Jan Kroon

Advanced 2D/3D noise removal and edge enhancing with anisotropic diffusion filtering ( Weickert ) (3d, ridge, image enhancement)

CoherenceFilter(u,Options)

D=derivatives(I,option)

I=imgaussian(I,sigma,siz)

Vuvuzela filtering with parametric equalizers using System objects by Charulatha Kalluri

This example filters out vuvuzela sounds from an audio stream using parametric equalizer filters. (vuvuzela, denoising, stream processing)

vuvuzela_denoising_parameq.m

Vuvuzela sound denoising algorithm by Choqueuse Vincent

This script implements a sound denoising algorithm in Matlab for vuvuzela sound cancelation. (denoising, time frequency, boll)

vuvuzela_denoising.m

Plot wavelet image (2D) decomposition by Benjamin Tremoulheac

A short function for displaying wavelet image decomposition coefficients (wavelet, multiresolution, image processing)

plotwavelet2(C,S,level,wavelet,rv,mode)

A Generalized Vector-Valued Total Variation Algorithm by Paul Rodriguez

Total Variation algorithm for denoising/deconvolving grayscale/color (vector) images (denoising, deconvolution, total variation)

irntv(S, KC, lambda, pars)

irntvInputPars(dname)

snr(ref, sig)

A Numerical Tour of Signal Processing by Gabriel Peyre

A set of Matlab experiments that illustrates advanced computational signal and image processing. (approximation, wavelets, denoising)

[p,ellipse]=phantom(varargin)

b=dct(a,n)

b=dct2(arg1,mrows,ncols)

Toolbox Non-Local Means by Gabriel Peyre

A toolbox for the non-local means algorithm (denoising, filtering, nonlocal means)

checkstrs(in, valid_strings, function_name, ...

clamp(x,a,b)

compute_best_threshold(type, M,M0,sigma,options)

NeighShrinkSURE denoising by Dengwen Zhou

NeighShrinkSURE codes (filtering, image, denoising)

Calc_MSE_PSNR(clean,denoised)

NeighShrinkSUREdenoise(noisy, sigma, wtype, L)

OptimalThreshold(sub_coef,Rsim)

ROF Denoising Algorithm by Carl Löndahl

Simple and easy-read code for a denoising method. (denoising, optimization, image processing)

ROFdenoise(Image, Theta)

Image De-Nosing Using Low-Pass Filters by Abdulslam Gaddafi

Add noise then filter it using different spatial and frquency filters. (denoising, image, image processing)

see(varargin)

Non-Local Means Filter by Jose Vicente Manjon-Herrera

Non-Local Means Filter for image denoising (nonlocal, means, filtering)

[output]=NLmeansfilter(input,t,f,h)

demo.m

Wavelets Based Denoising by Sheraz Khan

This program shows wavelets based denoising of audio file and arbitrary signals. (denoising, shrinkage and thresho..., time frequency)

HardTh(y,thld)

SoftTh(y,thld)

Wavelet_Denoise(varargin)