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updated 10 minutes ago

Mutual Information of Two Images by Mohammad Haghighat

Normalized mutual information (MI) between histograms of two images (image processing, signal processing, video processing)

mutualInfo(ima,imb)

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updated 13 minutes ago

Convert YUV Videos into Image Matrices by Mohammad Haghighat

Extract Y, U and V components of a YUV 4:2:0 video (video, video processing, video codec)

yuvRead(vid,width,height,nFrame)

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updated 1 hour ago

deprecated -- Light Field Toolbox v0.2 -- v0.3 now available by Donald Dansereau

A set of tools for working with light field (aka plenoptic) imagery in Matlab (toolbox, light field, plenoptic)

compute_extrinsic_init.m

compute_extrinsic_refine.m

LFBuildLenseletGridModel( WhiteImg, GridModelOptions )

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updated 9 hours ago

Areal, volumetric and textural parameters from 2D and 3D images by Kateryna Artyushkova

GUI for calculating metrics from 2D and 3D images. (image processing, particle analysis, region properties)

imEuler3d.m

imEuler2d.m

Arealporosity(XX)

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updated 12 hours ago

Multi-layer Encryption and Decryption in Digital Image by sumit Yadav

This code is an Interactive demonstration of Encryption and Decryption using various algorithm. (image processing, image analysis, gui)

ImageEncryptionandDecryptionMenu(varargin)

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updated 19 hours ago

Chebfun by Chebfun Team

Chebfun is an open-source package for numerical computation with functions to 15-digit accuracy (approximation, interpolation, quadrature)

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updated 1 day ago

Ncorr - 2D Digital Image Correlation Software by Justin Blaber

2D-DIC program that uses contiguous circular subsets, biquintic B-spline interp, and complex ROIs (digital image correla..., dic, mechanical)

ncorr_alg_addanalysis(plots_u,plots_v,rois,spacing,num_im...

ncorr_alg_convertanalysis(img_new,imgs_old,plots_u_old,pl...

ncorr_alg_convertseeds(plot_u_old,plot_v_old,plot_u_inter...

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updated 1 day ago

Draw line through pixel at specific orientations by Baba Dash

Line draw at different directions in an image (image processing)

get_linewindow(theta,L)

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updated 1 day ago

imagemosaicing by pallavi

image mosaicing using matlab (image processing)

mosaic.m

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updated 1 day ago

Tutorial and Toolbox on real-time optical flow by Stefan Karlsson

Code with visualization and excercises. Camera supported (computer vision, optical flow, image processing)

ApertureIllustration(type)

DoEdgeStrength(dx, dy,tInt,edgeIm)

DoEdgeStrength(dx, dy,tInt,edgeIm)

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updated 2 days ago

imdisp (enhanced version) by Yi Sui

Display multiple images as a montage of subplots (image processing)

addRoiToolbar(fig)

draggable(h,varargin)

enableWL(fh)

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updated 2 days ago

Tupper's self-referential formula by Mineralter

solve the special N in Tuppers' formula, if the image provided. (math, image, interested)

bign(digitA,digitB)

digit_transfer(baseA,baseB,digitA)

bw_solve.m

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updated 4 days ago

Newton's method for 2 variables non-linear system by Ahsun Ali

With this code, any 2 equation (non-linear) system can be solved by the newton's method. (mathematics)

NonlinearNewton.m

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updated 4 days ago

Admittance Matrix Formation (Y bus formation) by zameer abbas

MATLAB Code for Y bus formation of given power system network (mathematics, power system, load flow analysis)

Ybus.m

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updated 5 days ago

GIBBON: The Geometry and Image-Based Bioengineering add-On for MATLAB by Kevin Moerman

GIBBON: The Geometry and Image-Based Bioengineering add-On for MATLAB (bioengineering, finite element, meshing)

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updated 5 days ago

Pseudo B-Mode Ultrasound Image Simulator by Debdoot Sheet

Simulate pseudo B-mode ultrasonic images with customized tissue echogenicity maps (image processing, signal processing, medical)

fcnPseudoBmodeUltrasoundSimulator.m

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updated 5 days ago

Brightness Preserving Dynamic Fuzzy Histogram Equalization by 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 5 days ago

BertiniLab by Andrew Newell

Toolbox for solving polynomial systems (polynomial, solve, homotopy)

A point on each connected component

A simple eigenvalue problem

A user-defined homotopy (version 1)

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updated 5 days ago

Image Procesing and Computer Vision : How MATLAB is helpful for various applications. by Masa Otobe

Script used in MATLAB EXPO 2014 in Japan on Oct. 29, 2014 (image processing, demo, computer vision)

E0_myGear_webCam_func.m

E1_myGear_J.m

E2_myBoltSet23.m

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updated 5 days ago

Bayesian Multiscale Smoothing for d-dimensional Gaussian Noised Images by MENG

It contains the functions and a demonstration file to denoise 3D images. (image processing, 3d image, denoise)

CRP(M,dim)

Estimation(obs, tsigma, tau, M)

EstimationShift(obs, sigmahat, tau, M, step, parallel)

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updated 6 days ago

image2data.m by Orlando Rodríguez

Convert a bitmap image to numerical data. (bitmap, data conversion, image processing)

image2data( thecolorbar, thefigure, z )

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updated 6 days ago

Moivre by Orlando Rodríguez

Moivre's formula (roots of complex numb..., mathematics, multidimensional)

moivre( n, z )

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updated 6 days ago

shiftsurf.m by Orlando Rodríguez

Shifts a 2D surface to the desired position. (image processing)

shiftsurf(x,y,s,DX,DY)

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updated 6 days ago

Making matrix to have constant for its determinant by Feng Cheng Chang

Making given matrix altered to have a certain constant for its determinant (mathematics)

mtx_d(A,D,d)

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updated 6 days ago

ILU(k) Preconditioner by Killian Miller

Computes an ILU factorization with fill level k for general sparse matrices. (differential equation..., linear algebra, ilu)

iluk(A, lfil, Lvl)

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updated 6 days ago

find_components by Tim Davis

finds the connected components of an image (morphology, segmentation, image)

find_components

find_components_example(example, dopause)

largest_component

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updated 6 days ago

Gaussian Elimination Example (with partial pivoting): GEE, it's simple! by Tim Davis

A set of simple functions that illustrate Gaussian Elimination with partial pivoting (gaussian elimination, partial pivoting, linear algebra)

gee_its_short

gee_its_simple

gee_its_simple_backsolve

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updated 6 days ago

Bayesian Linear Regression by Soumya Banerjee

This is a set of MATLAB functions to do Bayesian linear regression (statistics, optimization, mathematics)

bayesian_regression

CALL_bayesian_regression

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updated 6 days ago

ImGRAFT by Aslak Grinsted

An Image Georectification and Feature Tracking toolbox (r2014b graphics ready, template matching, georectification)

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updated 7 days ago

Fitting complex analytic laws to data by means of Genetic Algorithms by Lorenzo Luini

The script allows to easily fit predefined complex analytical laws using Genetic Algorithms (analytical laws, fit, genetic algorithms)

FitLaw_GA(X,y,fh,Int,LB,UB)

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updated 7 days ago

central_diff2(y,deltat,d,a) by Benjamin Strom

Finite difference approximation of any order derivative, any accuracy (interpolation, approximation, algorithm)

central_diff2(y,deltat,d,a)

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updated 7 days ago

Neural network simple programs for beginners by Sayed Abulhasan Quadri

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

neural1.m

neural10.m

neural11.m

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updated 7 days ago

Evolution Strategies (ES) by Gilberto A. Ortiz

Algorithm that implements 'Evolution Strategies' (ES) ('mu-lambda' and 'mu+lambda' variants). (evolution strategies, optimization, genetic algorithms)

evolution_strategy(f, mu, lambda, gen, sel, rec_obj, rec_...

mutation(n,lambda,xr,sigmar,alphar,limits)

recombination(type_obj,type_str,n,mu,lambda,xi,sigma,alpha)

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updated 7 days ago

1+1 Evolution Strategy (ES) by Gilberto A. Ortiz

1+1-ES. The simplest ES. Read comments in the file for a deeper explanation and bibliography (evolution strategies, optimization)

evolution_strategy_1p1(f, xkm1, sigma, ite, obj)

example1.m

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updated 7 days ago

Zernike Moments by Amir Tahmasbi

MATLAB Code for the Fast Calculation of Zernike Moments of order n and repetition m on NxN images. (image processing, physics, mathematics)

Zernikmoment(p,n,m)

radialpoly(r,n,m)

Zernike_main.m

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updated 7 days ago

Multi-objective optimization using Evolution Strategies (ES) as Evolutionary Algorithm (EA) by Gilberto A. Ortiz

This function uses ES instead of GA as EA in the NSGA-II procedure for multi-objective optimization. (genetic algorithms, evolution strategies, es)

ENSES(f, mu, lambda, gen, rec_obj, rec_str, u, nf, n, lim...

domination_matrix(n_viol, sum_viol, phi, m, n_f)

mutation_es(n,lambda,xr,sigmar,alphar,limits)

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updated 7 days ago

Frequency-Domain Min-Max Optimization for Delta-Sigma Modulators by Masaaki Nagahara

Matlab codes are provided for min-max optimization for loop-filter design in delta-sigma modulators. (delta sigma, optimization, signal processing)

NTF_MINMAX(order, OSR, H_inf, f0, zf)

NTF_MINMAX_MB(order, OSR, H_inf, f, zf)

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updated 7 days ago

H-infinity optimal fractional delay filter by Masaaki Nagahara

A code for designing H-infinity optimal fractional delay filters (fractional delay, fractional delay filt..., signal processing)

fdf_hinf(F, D, T)

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updated 7 days ago

Binary Genetic Algorithm Feature Selection.zip by Oluleye Babatunde

Genetic Algorithm for Feature Selection (genetic algorithm, feature selection, zernike moments)

Binary_Genetic_Algorithm_Hezy_2013

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