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updated 4 days ago

Plotly | Online MATLAB Graphing by Chris

Chris

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

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updated 16 days ago

Color Distribution by Ligong Han

Ligong Han

Visualization of distribution in RGB or HSV space. (image processing, color space)

hsv_distribution(im,amp)

rgb_distribution(im,plotopt,amp)

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updated 16 days ago

Local binary patterns by Nikolay S.

Nikolay S.

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

roundnS.m

assignUserInputs(funcParamsNames, varargin)

efficientLBP(inImg, varargin)

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updated 20 days ago

ColorBrewer: Attractive and Distinctive Colormaps by Stephen Cobeldick

Stephen Cobeldick

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

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updated 23 days ago

Baysian,KNN,3Layer Neural Network Classifier, KMeans Clustering Examples by JaeJun Lee

JaeJun Lee

Baysian Classifier, KNN Classifier, 3Layer Neural Network Classifier, KMeans Clustering (baysian classifier, knn classifier, 3layer neural network...)

BaysianClassifier(priors, mean_vectors, cov_matrices, data )

KNNClassifier(trainingData, classID, K, data )

KmeansClustering( unlabeledData, K , showProgress)

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updated 23 days ago

Numerical Integration Toolbox by George Papazafeiropoulos

George Papazafeiropoulos

Contains several numerical integration rules to evaluate the integral of a function (abscissa, adaptive, chebyshev)

Adaptive Numerical Quadrature Theory

Integration Point Calculation Theory

Quadrature Rule Theory

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updated 1 month ago

A Generalized Vector-Valued Total Variation Algorithm by Paul Rodriguez

Paul Rodriguez

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

adaptLambda.m

adaptMedian_colfilt.m

test_adpatL1.m

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updated 1 month ago

Weighted Iterative Truncated Mean Filter by Miao Zhenwei

Miao Zhenwei

WITM filters (image processing, signal processing, filter)

GWITM.m

LCWITM_filter.m

LCWITM.m

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updated 1 month ago

Iterative Trimmed and Truncated Mean Algorithm filter (ITTM filter) by Miao Zhenwei

Miao Zhenwei

ITTM filter for noise suppression and image processing. (image processing, signal processing, filter)

ITTM.m

ITTM_fix.m

ITTM_compile()

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updated 1 month ago

Fast Iterative Truncated Arithmetic Mean Filter (FITM filter) by Miao Zhenwei

Miao Zhenwei

ITM/FITM filter (image processing, signal processing, filtering)

ITM_fix.m

ITM.m

FITM.m

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updated 2 months ago

Brightness Preserving Dynamic Fuzzy Histogram Equalization by Debdoot Sheet

Debdoot Sheet

BPDFHE employs fuzzy statistics of digital image to improve graylevel brightness preserved contrast (image enhancement, fuzzy statistics, histogram equalizatio...)

fcnBPDFHE(inputImage, fuzzyMembershipType, parameters)

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updated 2 months ago

Fast Anisotropic Curvature Preserving Smoothing by Royi Avital

Royi Avital

Fast Anisotropic Curvature Preserving Smoothing for High Quality Image Denoising (image processing, anisotropic diffusion, diffusion)

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updated 2 months ago

Computer Vision System Toolbox OpenCV Interface by MathWorks Computer Vision Team

Use OpenCV algorithms in MATLAB (computer vision, opencv)

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updated 3 months ago

MakeColorMap by Doug Hull

Doug Hull

Makes colormaps that smoothly blend from one color to another to optionally a third. (annotation, customization, colormap)

makeColorMap(varargin)

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updated 4 months ago

Extended DFT by Vilnis Liepins

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 5 months ago

Image enhancement using Hybrid Metaheuistic by Anupriya Gogna

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 6 months ago

Region Contrast Saliency by Boris Schauerte

Boris Schauerte

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

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updated 6 months ago

Optimal Blockwise Shrinkage for Image Denoising by Yue Wu

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 6 months ago

Guided Upsampling and Residual Interpolation by Masayuki Tanaka

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 6 months ago

Anisotropic diffusion (stable scheme) by Jérôme FEHRENBACH

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 6 months ago

FIle IMP.zip by Waqar

Waqar

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

deg=invAngle(chA, chB)

inv110107.m

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updated 7 months ago

Updates to The Elements of MATLAB Style by Richard Johnson

Richard Johnson

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

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updated 7 months ago

minimize by Rody Oldenhuis

Rody Oldenhuis

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

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updated 7 months ago

Image Dehazing.zip by Sreekuttan A M

Sreekuttan A M

Single Image Dehazing using multiple fusion technique (sss)

chromaticWeightmap( im )

enhanceContrast( im )

fusedPyramid( input_args )

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updated 7 months ago

Fast Bilateral Filter by Kunal Chaudhury

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 7 months ago

Test functions for global optimization algorithms by Rody Oldenhuis

Rody Oldenhuis

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

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updated 8 months ago

PDE based image processing by Jarno

Jarno

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

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updated 8 months ago

Image denoising using Evolutionary Algorithm by Anupriya Gogna

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 9 months ago

Noise Level Estimation from a Single Image by Masayuki Tanaka

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 9 months ago

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

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 9 months ago

SLM - Shape Language Modeling by John D'Errico

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 10 months ago

Single Image Haze Removal Using Dark Channel Prior by Adina Stoica

Adina Stoica

Implementation of the paper (haze, hazeremoval, darkchannel)

atmLight(im, JDark)

darkChannel(im2)

deHaze(im)

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updated 10 months ago

MATLAB Style Guidelines 2.0 by Richard Johnson

Richard Johnson

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

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updated 10 months ago

Noise Level Estimation by Ashish Meshram (Meet)

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 1 year ago

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

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 1 year ago

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

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 1 year ago

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

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 1 year ago

Steerable filter by Jincheng Pang

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 1 year ago

Spectral Visual Saliency Toolbox by Boris Schauerte

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 1 year ago

Geometric Nonlinear Diffusion Filter by Eric Michel

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 1 year ago

Non parametric modified histogram equalization for contrast enhancement by Shashi

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 1 year ago

Two-dimensional trilateral filter by Pekka Astola

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 1 year ago

C-MEX Programming Tutorial Examples by Ilias Konsoulas

Ilias Konsoulas

This submission contains several C scripts that help as an introduction to C-MEX programming. (cmex programming, 2d array indexing, transpose matrix)

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updated 1 year ago

ensemble kalman filter by dwight nwaigwe

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

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

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

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

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

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.

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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