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updated 22 hours ago

Plotly | Online MATLAB Graphing by Chris

Publish your MATLAB figures to the web with one line of code. (plot, data export, gui)

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updated 1 month ago

Extended DFT by Vilnis Liepins

Program EDFT produce high-resolution N-point DFT for N greater than the length of data vector. (spectral analysis, fft, dft)

Y=inedft(F,fn,tn)

[F,S,Stopit]=edft(X,N,I,W)

[F,S,Stopit]=nedft(X,tk,fn,I,W)

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updated 1 month ago

Local binary patterns by Nikolay S.

Calculates image LBP (Local binary patterns). (lbp, image processing, pattern)

[outImg, varargout]=tightHistImg(inImg, varargin)

[radInterpFilt]=generateRadialFilterLBP(p, r)

[radInterpFilt]=generateRadialFilterLBP(p, r)

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updated 2 months ago

Image enhancement using Hybrid Metaheuistic by Anupriya Gogna

Demo for image enhancement using memetic algorithm (image enhancementhybr...)

MEMETIC(image,global_mean,B,C,im_size)

MEMETIC_DE(image,global_mean,B,C,im_size)

mean_n (image)

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updated 3 months ago

ColorBrewer: Attractive and Distinctive Colormaps by Stephen Cobeldick

The complete palette of ColorBrewer colormaps. Simple selection by scheme name and map length. (colormap, colorbrewer, rgb)

brewermap(N,scheme)

brewermap_read(man)

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updated 3 months ago

Region Contrast Saliency by Boris Schauerte

(Locally debiased) Region contrast Saliency for salient object detection. (image processing, computer vision, signal processing)

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updated 3 months ago

Optimal Blockwise Shrinkage for Image Denoising by Yue Wu

Improving initially denoised using its corresponding noisy observation (image processing, image analysis, statistics)

optBlkShrink( fun, input, nsample, sigma, varagin );

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updated 3 months ago

Guided Upsampling and Residual Interpolation by Masayuki Tanaka

This tool upsamples the data with the high-resolution guidance image. (upsampling, image processing, filter)

guidedfilter11(src, gid, eps, ker1, ker2)

guidedfilter1n(src, gid, eps, ker1, ker2)

guidedfiltern1(src, gid, eps, ker1, ker2)

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updated 3 months ago

Anisotropic diffusion (stable scheme) by Jérôme FEHRENBACH

Stable and positive scheme for anisotropic diffusion (image processing, filtering, diffusion)

[t,C]=infoA0(C11,C22,C12)

diagK( t, C )

diffusion2D( u0, T, varargin )

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updated 3 months ago

FIle IMP.zip by Waqar

Shadow Removal ( Invariant Image) (invariant image, shadow removal, gram finylson)

deg=invAngle(chA, chB)

inv110107.m

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updated 4 months ago

Updates to The Elements of MATLAB Style by Richard Johnson

Revised text that fix errors, supplies more motivation, and makes additional recommendations. (article style program...)

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updated 4 months ago

minimize by Rody Oldenhuis

Minimize constrained functions with FMINSEARCH or FMINLBFGS, globally or locally (optimization, constrained optimizat..., derivativefree optimi...)

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updated 4 months ago

Image Dehazing.zip by Sreekuttan A M

Single Image Dehazing using multiple fusion technique (sss)

chromaticWeightmap( im )

enhanceContrast( im )

fusedPyramid( input_args )

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updated 4 months ago

Fast Bilateral Filter by Kunal Chaudhury

Fast O(1) implementation of the bilateral and the joint (or cross) bilateral filter. (bilateral filter, nonlinear diffusion, edgepreserving diffus...)

maxFilter(inImg , w)

shiftableBF(inImg, sigmaS, sigmaR, w, tol)

shiftable_jointBF(inImg, rangeImg, sigmaS, sigmaR, w, tol)

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updated 4 months ago

Test functions for global optimization algorithms by Rody Oldenhuis

Test functions for global optimization algorithms (global optimization, particle swarm, genetic algorithm)

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updated 5 months ago

PDE based image processing by Jarno

PDE based image processing methods including optical flow, segmentation and disparity calculation. (machine vision, stereo disparity, optical flow)

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updated 5 months ago

Image denoising using Evolutionary Algorithm by Anupriya Gogna

This code performs Image denoising using Self Organizing Migration Algorithm (SOMA) (image processing, metaheuristicsdenoisi...)

PSNR(A,B)

Run_SOMA(imn,img)

objective(imn,img,th1,th2,th3,th4,wv,lv)

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updated 6 months ago

Noise Level Estimation from a Single Image by Masayuki Tanaka

It can precisely estimate noise level from a single image. (image processing, pick of the week, potw)

NoiseLevel(img,patchsize,decim,conf,itr)

demo.m

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updated 6 months ago

Optimum Array Processing (Van Trees) Solutions and Figures by Kristine Bell

Chapter 2-7 Solution and Figure Files (array processing, beamforming, direction of arrival ...)

bpsphcut_theta(D,w,lim,theta)

bpsphere(D,w,lim,m)

bpsphere(D,w,lim,m)

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updated 6 months ago

SLM - Shape Language Modeling by John D'Errico

Least squares spline modeling using shape primitives (spline, splines, cubic)

slm_tutorial

hermite2slm(harray)

lse(A,b,C,d,solverflag,weights)

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updated 7 months ago

Single Image Haze Removal Using Dark Channel Prior by Adina Stoica

Implementation of the paper (haze, hazeremoval, darkchannel)

atmLight(im, JDark)

darkChannel(im2)

deHaze(im)

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updated 7 months ago

MATLAB Style Guidelines 2.0 by Richard Johnson

An updated guide to preferred coding style. (article, conventions, documentation)

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updated 7 months ago

Noise Level Estimation by Ashish Meshram (Meet)

Single Image Estimate Noise Level (noise level estimatio..., patch, weak texture)

GetFilePath()

NLEstimate(I,ps,maxiter)

directder(H, rps, cps)

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updated 9 months ago

Image Denoising based on Non Local-means Filter and its Method Noise Thresholding by Shreyamsha Kumar B. K.

Image details that are removed by NL-means filter is added back after wavelet thresholding (non localmeans filter, bilateral filter, method noise)

[g_all, vv_all]=vifsub_est_M(org,dist, subbands, M);

[ssarr, l_arr, cu_arr]=refparams_vecgsm(org,subands,M)

bayesthf(y,noise_var)

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updated 9 months ago

Jacobian-Free Newton-Krylov (JFNK) method by Cheuk

Function uses JFNK to solve a system of non-linear equations (jacobianfree, newtonkrylov, jacobian)

JFNK(F, x0, epsilon, max_iter)

JV_APPROX(v, F, x)

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updated 10 months ago

Image denoising using modified Perona-Malik model based on directional Laplacian by Wang YQ

a novel PDE model for image restoration based on directional Laplacian (image processing, anisotropic diffusion, directional laplacian)

BoundMirrorEnsure(A)

BoundMirrorExpand(A)

BoundMirrorShrink(A)

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updated 10 months ago

Steerable filter by Jincheng Pang

This package implements the 1st and 2nd order Gaussian derivative steerable filter (steerable filter, filtering, directional derivativ...)

steerGaussFilterOrder1(I,theta,sigma,disFlag)

steerGaussFilterOrder2(I,theta,sigma,disFlag)

Demo.m

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updated 10 months ago

Spectral Visual Saliency Toolbox by Boris Schauerte

Implementations of several state-of-the-art visual saliency detection algorithms. (image processing, saliency, attention)

ICOPP=rgb2icopp(I)

ICOPP=rgb2icopp2(I)

S=spectral_saliency_multichannel(I,imsize,multichannel_me...

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updated 10 months ago

Geometric Nonlinear Diffusion Filter by Eric Michel

An adaptive filter for robust noise removal while edge preservation (adaptive filter, anisotropic filter, nonlinear diffusion)

gnldf(In,N,dt,diffunc)

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updated 11 months ago

Non parametric modified histogram equalization for contrast enhancement by Shashi

Provides an implementation of image enhancement algorithm, without requiring any manual tuning. (image processing, image enhancement)

out_image=NMHE(I2)

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updated 11 months ago

Two-dimensional trilateral filter by Pekka Astola

Filters a grayscale image with the trilateral filter by P. Choudhury and J. Tumblin (trilateral filter, bilateral filter, filtering)

BilateralGradientFilter(...

DetailBilateralFilter(inputImage,adaptiveRegion,...

buildMinMaxImageStack(gradientMagnitude,maxLevel)

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updated 12 months ago

ensemble kalman filter by dwight nwaigwe

This program uses the ensemble kalman filter to estimate a system's state. (ensemble kalman filte..., kalman filter, state estimation)

ensemblekfilter(f,h,x_tr,x_ini,w,z,num_iterations)

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updated 1 year ago

Separable Steerable Pyramid Toolbox by Jeffrey Byrne

SEPSPYR is a matlab toolbox for building and reconstructing separable quadrature steerable pyramids. (steerable pyramid, separable convolution, quadrature filter)

G3();

binomialFilter(sz)

blur(im, nlevs, filt)

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updated 1 year ago

Fast and robust Nonlocal Means Denoising by Antonio Tristán Vega

Efficient implementation of the non-local means for both Rician and Gaussian noise. (mri, denoising, nonlocal means)

FastNonLocalMeans3D.m

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updated 1 year ago

Histogram Equalization by Amit Nambiar

Histogram Plotting and equalization of a low contrast Image. (digital image process..., histogram plotting an..., pune university dip s...)

HistogramPlottingAndEqualization.m

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updated 1 year ago

ROI selection for saliency maps by Bharath Ramesh

Region-of-interest selection for saliency maps (saliency detection, opening by reconstruc..., roi detection)

ROI_saliency_map(I)

rescale(x,a,b)

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updated 1 year ago

A simple Assignment on Image Filtering by Usman Khan

Demonstrates matlab code for Constrained Least Square Filtering, Median Filtering, Wiener Filtering (image processing)

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updated 1 year ago

Image Denoising based on Gaussian/Bilateral Filter and its Method Noise Thresholding by Shreyamsha Kumar B. K.

Matlab code for Image Denoising based on GBFMT (image denoising, gaussian filter, bilateral filter)

[g_all, vv_all]=vifsub_est_M(org,dist, subbands, M);

[ssarr, l_arr, cu_arr]=refparams_vecgsm(org,subands,M)

[yb yg]=bilateral_filt2D(x,sigmas,sigmar,ksize)

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updated 1 year ago

LMFnlsq2 by Miroslav Balda

Solution of one or more nonlinear equations in the least squares sense. (nonlinear least squar..., curve fitting, identification)

LMFnlsq2.m

LMFnlsq2test.m

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updated 1 year ago

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)

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updated 1 year ago

SegmentTool: An Interactive GUI for Segmenting Images by Brett Shoelson

Interactively find the best approach to segmenting (masking) your image (image, image processing, gui)

SegmentTool

SegmentTool.m

FindCirclesGUI.m

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updated 1 year ago

James Stein Type Center Pixel Weights for Non-Local Means by Yue Wu

This code implements the James Stein type shrinkage estimation for non-local mean denoising. (image denoising, statistical shrinkage, adaptive algorithm)

NLM_JSCPW(NoisyImg,PatchSizeHalf,SearchSizeHalf,Sigma,Blo...

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updated 1 year ago

Non-Local Euclidean Medians by Kunal Chaudhury

Non-local patch-based image denoising using Non-Local Euclidean Medians (NLEM). (nonlocal means, patch regression, nonlinear diffusion)

NLEM(imgNoisy, h, P, S)

findEuclideanMedian (f, w)

demo.m

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updated 1 year ago

Image Zooming Using Directional Cubic Convolution Interpolation by Dengwen Zhou

This code provides a reproducible implementation. (image interpolation, image zooming, cubic convolution)

Calc_MSE_SNR(I1,I2,b)

DCC(I,k,T)

testDCC

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updated almost 2 years ago

Image Noise Reduction by Local Statistics by Tristan Ursell

Reduce image noise by measuring local pixel statistics and remapping intensities. (image processing, image, noise)

[varargout]=relnoise(Iin,sz,sigma,varargin)

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updated almost 2 years ago

Image Fusion Technique using Multi-resolution Singular Value Decomposition by VPS Naidu

A novel image fusion technique based on multi-resolution singular value decomposition (MSVD) has bee (image fusion, image processing, svd)

IMSVD(Y,U)

MSVD(x)

msvdimfusedemo.m

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updated 2 years ago

Kalman Filter Package by Brian Moore

Implements Kalman Filter, Extended Kalman Filter, Dual Kalman Filter, and Square Root Kalman Filters (kalman filtering, adaptive filters, signal processing)

EWMA(z,L)

EWMACovEst(z,smoothed_z,i,N,Rold,Qold)

KalmanFilterIteration(z,Q,R,x_aposteriori_last,P_aposteri...

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updated 2 years ago

GUI for denoising video signals with Kalman filter by Youssef KHMOU

filter grayscale video signals(avi || Webcam) with 1st Order Estimation & Kalman filter . (gui, signal processing, image processing)

B=corr2d(H)

Create_gray_Gif_Image( data,filename)

Estimation(X)

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updated 2 years ago

Fast Non-Local Mean Image Denoising Implementation by Yue Wu

This single m-file implemented a fast algorithm for non-local mean image denosing. (image processing, image denoising)

FAST_NLM_II(NoisyImg,PatchSizeHalf,WindowSizeHalf,Sigma)

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updated 2 years ago

Particle filter tutorial by Diego Andrés Alvarez Marín

Implementation of the generic particle filter (particle filter)

particle_filter(sys, yk, pf, resampling_strategy)

example.m

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