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updated 17 minutes 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 6 hours 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 6 hours 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 6 hours 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 17 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 2 days 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 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)

BertiniClean

BertiniLabRoot

BertiniLabVersion

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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

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 7 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 7 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 7 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

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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updated 7 days ago

Fill corners of rotated image by Vlad Atanasiu

Rotate image without making black edges. (image, analysis, geometric transformat...)

imregrotate(varargin)

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updated 7 days ago

FFTSELFFILTER Frequency Domain Image Auto Filtering by Vlad Atanasiu

Enhances powerful frequencies. (image, filtering, image processing)

fftsf(ImgIn,degree)

fftsf_movie.avi

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updated 7 days ago

Kernel smoothing density estimate for circular data by Vlad Atanasiu

Provides various methods to smooth circular data. (statistics, mathematics)

circ_ksdensity.m

circ_iqr(alpha)

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updated 7 days ago

Find values in a vector or function by Adrian Lara-Quintanilla

For a function y=f(x), this script looks for all the "x" values for a desired value of "y" (y0). (mathematics, data exploration, time series)

findvalues(vector,yvalue)

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updated 8 days ago

Bayesian Multiscale Smoothing for 2-dimensional Gaussian Noised Images by MENG

It contains the functions and a demonstration file. (image processing, bayesian, multiscale)

Bayesian_CRP(obs, sigmahat_method, step, parallel)

CRP(M,dim)

Estimation(obs, tsigma, tau, M)

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updated 8 days ago

nasa/T-MATS by Jeffryes

Simulink Toolbox for the Modeling and Analysis of Thermodynamic Systems, such as gas turbines (simulation, simulink, example)

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updated 8 days ago

dec2any(x,n) by Ahmed A. Selman

Decimal (base 10) number to any (base 2 to 10) converion function. (mathematics)

whatn

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updated 8 days ago

dec2senary(num) by Ahmed A. Selman

Decimal (base 10) number to senary (base 6) converion function. (mathematics)

dec2senary(num)

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updated 8 days ago

t_marigram.m v1.3 by curoi

Tidal analysis (image processing, gui, physics)

f_crop_image(aa,AA,listname,tog,savepath)

f_determine_coords2(aa,AA,year,month,tog,savepath,listname)

f_determine_hilo_coords2(aa,AA,listname,tog,savepath)

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updated 11 days ago

figtopdf by Alexandre Willame

figtopdf saves figures as .pdf image. (pdf, image, graph)

figtopdf(filename, comment, figures)

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updated 12 days ago

Caesar Cipher by Nikesh Bajaj

This is Program for Caesar Cipher encryption Technique. (encryption, cryptography, communications)

caesar_D(C,k)

caesar_E(P,k)

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updated 13 days ago

JPEG-based computing by Boris

This is a function to test a JPEG-based encoding/decoding algorithm (compression, demo, image processing)

entropy_cod( input_matrix, n)

get_quantization( q )

huffman_cod( input_matrix)

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updated 13 days ago

Finite Element Toolbox for Solid Mechanics v.2.1.2 by Anton Zaicenco

Finite Element Toolbox for solid mechanics with simple GUI (v.2.1.2) (simulation, toolbox, analysis)

fem_2_dynAnim3DtetrFrame.m

D2_CSQ

D2_CST

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updated 14 days ago

Find the center of gravity of an array by Noam Greenboim

GOG returns the coordinates of the center of gravity, in each dimension. (cog, center of gravity, center of area)

COG(A, varargin)

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updated 14 days ago

MATLAB simulation of fixed-mass rigid-body 6DOF by Stacey Gage

Calculate aircraft fixed-mass rigid-body six-degrees-of-freedom equations of motion using MATLAB ODE (rigid, differential equation..., aerospace)

sixdof(Forces, Moments, Mass, Inertia, tarray, varargin )

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updated 14 days ago

MATLAB Simulation of variable-mass rigid-body 6DOF by Stacey Gage

Calculate aircraft variable-mass rigid-body six-degrees-of-freedom equations of motion using MATLAB (rigid body, aerospace, aeronautics)

sixdofvm(Forces, Moments, dMass, dInertia, tarray, vararg...

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updated 14 days ago

Convert Roman to Arabic by Stacey Gage

Convert Roman numerals to Arabic numerals (arabic, roman, conversion)

roman2arabic( roman_in )

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updated 14 days ago

Convert Arabic to Roman by Stacey Gage

Convert Arabic numerals to Roman numerals (arabic, roman, conversion)

arabic2roman( arabic_in )

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updated 14 days 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 15 days ago

Two or three masses connected by springs by Jeffrey Chasnov

A simulation of two or three masses connected by springs. Used to illustrate normal modes. (oscillation, springs, hookes law)

spring.m

gui_spring2mass2(varargin)

gui_spring3mass2(varargin)

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updated 15 days ago

COSBOS: COlor-Sensor-Based Occupancy Sensing by Quan Wang

Occupancy distribution estimation for smart light delivery with perturbation-modulated light sensing (image processing, smart lighting, signal processing)

...

A=solve_A_0norm(X,Y)

A=solve_A_1norm(X,Y)

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updated 18 days ago

Read TIFF / TIF stacks efficiently, with lazy loading by Dylan Muir

Read a TIFF stack as a memory-mapped tensor. Handles a large range of internal TIFF formats. (tiff, tif, image manipulation)

tiffread29_header(filename)

tiffread29_readimage(TIF, HEADER, vnFrames)

TIFFStack

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updated 19 days ago

Calculo da Energia de um Imagem by Edmilson FIlho

Utilizando-se essa função poderá se calcular a energia de uma imagem (image processing, signal processing, energy)

energy.m

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updated 19 days ago

Numerical Integraton Tool with GUI by Amir John Scheid

Contains following methods: Simpsons, Simpsons 3/8, Monte Carlo, Trapezoidal. (monte carlo, integration, simpsons)

integration(varargin)

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