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updated 2 years ago

The INface toolbox v2.0 for illumination invariant face recognition by Vitomir Struc

Photometric normalization techniques used for achieving illumination invariant face recognition. (image processing, face recognition, biometrics)

DCT_normalization.m

adaptive_nl_means_normalization.m

adaptive_single_scale_retinex.m

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updated 4 months ago

EzyFit 2.42 by Frederic Moisy

A free curve fitting toolbox for Matlab (approximation, interpolation, curve)

Discover Ezyfit: A free curve fitting toolbox for Matlab

about_ef (Ezyfit Toolbox)

axis0 (Ezyfit Toolbox)

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updated 1 month ago

Peak Fitter by Tom O'Haver

Command-line peak fitter for time-series signals. Version 5.4, June, 2014 (chemistry, curve fitting, decomposition)

[FitResults,LowestError,baseline,BestStart,xi,yi,BootResu...

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updated 3 months ago

Traveling Salesman Problem - Genetic Algorithm by Joseph Kirk

Finds a near-optimal solution to a TSP using a GA (optimization, traveling salesman pr..., tsp)

tsp_ga(varargin)

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updated almost 3 years ago

Region Growing (2D/3D grayscale) by Daniel

Recursive region growing algorithm for 2D/3D grayscale images with polygon and binary mask output (region growing, image analysis, image processing)

regionGrowing(cIM, initPos, thresVal, maxDist, tfMean, tf...

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updated 1 year ago

Kinect Matlab by Dirk-Jan Kroon

Microsoft Kinect, OpenNI wrapper, Skeleton, Depth (kinect, microsoft, skeleton)

J=imagemax(Iin)

[I_SSD,I_NCC]=template_matching(T,I)

compile_cpp_files(OpenNiPath)

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updated 7 days ago

Differential Evolution by Markus Buehren

Optimization using the evolutionary algorithm of Differential Evolution. (optimization, evolutionary algorith..., differential evolutio...)

chompsep(str)

computenewpopulation(pop, bestmem, params)

concatpath(varargin)

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updated 3 months ago

Lithium Battery Model, Simscape Language and Simulink Design Optimization by Robyn Jackey

Multi-temperature lithium battery model using Simscape language and Simulink Design Optimization (lithium, battery, demo)

plot_estim_results.m

plot_estim_results.m

plot_estim_results.m

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updated 3 years ago

Gabor filter by Gao Yang

Generates Gabor filters using bandwidth, aspect ratio, phase, wavelength and angle as parameters. (gabor filter, image processing, gabor filtergabor_exa...)

gabor_example()

gb=gabor_fn(bw,gamma,psi,lambda,theta)

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updated 1 year ago

Segmentation by Micael Couceiro

Multiple Image Segmentation using PSO, DPSO, FO-DPSO and exhaustive methods. (segmentation, pso, histogram)

segmentation.m

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updated 6 years ago

Efficient subpixel image registration by cross-correlation by Manuel Guizar

Registers two images (2-D rigid translation) within a fraction of a pixel specified by the user. (geometric transformat..., image registration, image)

Efficient subpixel image registration by cross-correlation.

dftregistration(buf1ft,buf2ft,usfac)

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updated 9 years ago

Plot 2D/3D Vector with Arrow by Rentian Xiong

This function plots a line vector with arrow head. (2d, 3d, vector)

vectarrow(p0,p1)

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updated 7 months ago

Face Parts Detection by Masayuki Tanaka

It detects faces with left eye, right eye, mouth, and norse. (image processing, face, computer vision)

buildDetector( thresholdFace, thresholdParts, stdsize )

checkToolboxes(req)

detectFaceParts(detector,X,thick)

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updated 1 year ago

Runge Kutta 4th order ode by Judah S

solves ode using 4th order Runge Kutta method (mathematics, optimization, runge kutta)

Runge_Kutta_4.m

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updated 10 years ago

Legendre-Gauss Quadrature Weights and Nodes by Greg von Winckel

Computes the Legendre-Gauss weights and nodes for solving definite integrals. (integration, legendre, quadrature)

[x,w]=lgwt(N,a,b)

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updated 4 years ago

Efficient Graph based image Segmentation by Su Dongcai

A simple and efficient graph based image segmentation algorithm (image processing, kruskal, minimum span tree)

CoherenceFilter(u,Options)

D=derivatives(I,option)

I=imgaussian(I,sigma,siz)

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updated 1 month ago

Chebfun V4 by Chebfun Team

Numerical computation with functions instead of numbers. (numerical analysis, interpolation, approximation)

A greedy algorithm for choosing interpolation points

A keyhole contour integral

A parameter dependent ODE with breakpoints

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updated 3 years ago

RANSAC algorithm with example of finding homography by Edward Wiggin

RANSAC algorithm with example of line fitting and finding homography of 2 images (image processing, ransac, line fitting)

findHomography(pts1,pts2)

genRansacTestPoints( ptNum,outlrRatio,inlrStd,inlrCoef )

randIndex(maxIndex,len)

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updated 1 year ago

CoSaMP and OMP for sparse recovery by Stephen Becker

Orthogonal Matching Pursuit (OMP) and Compressive Sampling Matched Pursuit (CoSaMP). (omp, cosamp, compressed sensing)

CoSaMP( A, b, k, errFcn, opts )

OMP( A, b, k, errFcn, opts )

test_OMP_and_CoSaMP.m

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updated 2 years ago

Simple Particle Filter Demo by Eiji Ota

Tracking red object in a movie using particle filter. (mathematics, image processing, particle filter)

calc_log_likelihood(Xstd_rgb, Xrgb_trgt, X, Y)

create_particles(Npix_resolution, Npop_particles)

resample_particles(X, L_log)

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updated 4 years ago

Snakes: Active Contour Models by Ritwik Kumar

Implements snakes or active contour models for image segmentation. (active contour models, snake, image segmentation)

filter_function.m

getsnake.m

interate.m

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updated 1 year ago

Arduino Control by Adnan Shahin

This Tool Allows to Control Arduino UNO R3. (gui, image processing, measurement)

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updated 9 months ago

Image Registration App by Brett Shoelson

UI environment for registering a Moving image to a Fixed image (image, registration, gui)

ImageRegistrationApp

ImageRegistrationApp.m

distributeObjects(nobjects,startpos,endpos,gap,warnoff)

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updated 2 years ago

The PhD face recognition toolbox by Vitomir Struc

Useful functions for face recognition research. (face recognition, image processing, biometrics)

compute_kernel_matrix_PhD.m

construct_Gabor_filters_PhD.m

evaluate_results_PhD.m

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updated almost 4 years ago

Feature Selection using Matlab by Dimitrios Ververidis

Select the subset of features that maximizes Correct Classification Rate. (demo, gui, signal processing)

...

BayesClassValidationSet(...

CalcInfoLoss(D, N, Crossval_OR_Resubstit)

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updated 12 months ago

Improved Digital Image Correlation (DIC) by Elizabeth Jones

Calculate full-field displacements and strains from a set of images with a random speckle pattern. (digital image correla..., experimental mechanic..., noncontact)

...

...

...

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updated 5 months ago

How to Detect and Track Red, Green and Blue Colored Object in LIVE Video by Arindam Bose

This code can detect and track Red, Green and Blue colored objects in LIVE video. (red green and blue ob..., red green and blue ob..., image processing)

RGB_Detection_and_Tracking.m

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updated 8 months ago

Color Histogram of an RGB Image by Konda Reddy Mopuri

computes color histogram of an RGB image, number of bins is user input and is same for R,G and B. (color histogram, histogram of an image, rgbhist)

rgbhist(I,nBins,Nind)

rgbhist_fast(I,nBins,Nind)

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updated 1 year ago

Geodetic Toolbox by Mike Craymer

Toolbox for angle, coordinate and date conversions and transformations. Version 2.97. (geodesy, geodetic, angle)

Cct=clg2cct(Clg,lat,lon)

Clg=cct2clg(Cct,lat,lon)

R=rotct2lg(lat,lon)

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updated 5 years ago

Image segmentation & Extraction by Diego Barragán

This program segments and extracts objects from an image. (image processing, signal processing, templates)

Imag_seg_ex.m

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updated almost 4 years ago

Image Edge Enhancing Coherence Filter Toolbox by Dirk-Jan Kroon

Advanced 2D/3D noise removal and edge enhancing with anisotropic diffusion filtering ( Weickert ) (scheme, diffusion scheme, diffusion)

CoherenceFilter(u,Options)

D=derivatives(I,option)

I=imgaussian(I,sigma,siz)

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updated 2 years ago

Envelope Detction for Signal Analysis by Santhana Raj

Computes the envelope of the signal by two methods: 1.LPF method 2.Hilbert Transform (image processing, signal processing, envelope detection)

y=envelope(signal,Fs)

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updated 5 years ago

LMFsolve.m: Levenberg-Marquardt-Fletcher algorithm for nonlinear least squares problems by Miroslav Balda

LMFsolve.m finds least-squares solution of an overdetermined system of nonlinear equations (optimization, levenberg, marquardt)

LMFsolve(varargin)

LMFsolveOLD(varargin)

rosen(x)

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updated 1 year ago

imshow3D (3D imshow) by Maysam Shahedi

imshow3D:(3D imshow) Displays 3D images slice by slice.Intensity adjusting & slice browsing by mouse (image processing, gui, 3d image viewer)

imshow3D( Img, disprange )

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updated almost 2 years ago

Histograms of Oriented Gradients by Leo

mex function for calculating histograms of (oriented) gradients (Dalal & Triggs CVPR 2005). (computer vision, image processing, gradients)

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updated 4 years ago

Image segmentation using Otsu thresholding by Damien Garcia

OTSU(I,N) segments the image I into N classes by means of Otsu's N-thresholding method. (image processing, image segmentation, thresholding)

otsu(I,n)

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updated almost 2 years ago

Stereo Matching by Wim Abbeloos

A GUI demonstrates an efficient stereo matching algorithm. (stereo, matching, computer vision)

Stereo Matching

polyfit(x,y,n)

stereomatch(imgleft, imgright, windowsize, disparity, spa...

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updated 3 years ago

Colorspace Transformations by Pascal Getreuer

Transform colors between sRGB, YCbCr, YPbPr, YUV, YIQ, HSV, HSL, HSI, XYZ, Lab, Luv, LCH, CAT02 LMS (color, image processing, pick of the week)

colorspace(Conversion,varargin)

colorspace_demo(Cmd)

colorspace_ciedemo.m

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updated 3 years ago

SpeedyGA: A Fast Simple Genetic Algorithm by Keki Burjorjee

A vectorized implementation of a simple genetic algorithm in Matlab (optimization, genetic algorithm, vectorized)

fitness=R1(pop)

fitness=oneMax(pop)

speedyGA.m

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updated 5 years ago

Ellipsoid fit by Yury Petrov

Fits an ellipsoid to data using linear least squares. (ellipsoid, least squares, fitting)

ellipsoid_fit( X, flag, equals )

test_ellipsoid_fit.m

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updated 7 months ago

Feature points in image, Keypoint extraction by Artiom Kovnatsky

Finds, matches, plots feature points in images. (harris, fps, fp)

Findlclmxm( Mtr, NBHOOD, BorderDistance, ThreshType, Harr...

PlotFP( img, HrLPoints )

PlotMatches( img1, Data1, img2, Data2, TypeOfEdge, TypeOf...

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updated 2 years ago

Fit 2D gaussian function to data by Gero Nootz

Fits a 2D Gaussian function to simulated data. (lsqcurvefit, demo, image processing)

D2GaussFunction(x,xdata)

D2GaussFunctionRot(x,xdata)

mainD2GaussFitRot.m

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updated almost 2 years ago

Image Processing GUI by Theodoros Giannakopoulos

A simple GUI with basic image processing functionalities. (image processing, gui, color filtering)

Image Processing GUI

changeBrightness(RGB, brightness, contrast)

filterColors(RGB, T1, T2, T3,nPoints)

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updated 3 years ago

Optimization Tips and Tricks by John D'Errico

Tips and tricks for use of the optimization toolbox, linear and nonlinear regression. (optimization, examples, tutorial)

optimtips

[x,fval,exitflag,output]=fminsearchbnd(fun,x0,LB,UB,optio...

consolidator(x,y,aggregation_mode,tol)

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updated 5 years ago

Chan Vese Active Contours without edges by Yue Wu

Mainly implement three Chan Vese active contour ideas. (image processing, segmentation, active contour)

H=Heaviside(z)

checkstop(old,new,dt)

chenvese(I,mask,num_iter,mu,method)

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updated 8 months ago

SFTA Texture Extractor by Alceu Costa

Implementation of the SFTA algorithm for texture feature extraction. (image descriptors, image processing, computer vision)

findBorders( I )

hausDim( I )

otsurec(I, ttotal)

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updated almost 2 years ago

Kernel graph cut image segmentation by Ismail Ben Ayed

Kernel graph cut segmentation according to the formulation in M. Ben Salah et al., IEEE TIP, 2011. (image processing, optimization)

K=kernel_RBF(Img,value)

PlotLabels(L)

SpatialCues(im)

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updated almost 3 years ago

Neural network simple programs for beginners by Sayed Abulhasan Quadri

Simple programs demonstrating Artificial network using Matlab . (neural network, perceptronlinear netw..., perceptron linear net...)

neural1.m

neural10.m

neural11.m

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updated 12 months ago

MATLAB to Point Cloud Library by Peter Corke

matpcl is pure MATLAB code that allows interfacing with the Point Cloud Library (PCL) tools (data import, image processing, pcl)

loadpcd(fname)

lspcd(name)

lzfd(in, outlen)

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updated 3 months ago

Feature-Based Image Registration by Brett Shoelson

An interactive app for registering images using a feature-based (computer-vision) workflow (computer vision, image processing, image registration)

Feature-Based Image Registration

expandAxes(hndls,rotEnable)

featureBasedImageRegistration.m

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