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updated 21 days ago

PIVlab - time-resolved particle image velocimetry (PIV) tool by William Thielicke

A GUI based tool to preprocess, analyze, validate, postprocess, visualize and simulate PIV data. (gui, image processing, particle image veloci...)

(nn(:,1)<1)|(nn(:,1)>n)|(nn(:,2)<1)|(nn(:,2)>m); nn(L,...

PIVlab_GUI.m

PIVlab_citing(varargin)

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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 days ago

Grey Wolf Optimizer (GWO) by Seyedali Mirjalili

GWO is a novel meta-heuristic algorithm for global optimization (optimization, metaheuristics, heuristic)

Get_Functions_details(F)

Positions=initialization(SearchAgents_no,dim,ub,lb)

[Alpha_score,Alpha_pos,Convergence_curve]=GWO(SearchAgent...

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updated 20 hours ago

An improved computer vision method for white blood cells detection (using differential evolution) by Erik

Automatic white blood cells detector (image processing, computer vision, image analysis)

[costo]=funcDE(pts,imageB)

[salida,rmin,rmax,X0,Y0]=DEllipse(p1,p2,p3,p4,p5)

devec3(fname,VTR,D,XVmin,XVmax,y,NP,itermax,F,CR,strategy...

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updated 19 days ago

A swarm optimization algorithm inspired in the behavior of the social-spider by Erik

A swarm optimization algorithm inspired in the behavior of the social-spider (optimization, genetic algorithm, search)

FeMove(spidn,fn,fsp,msp,spbest,Ibe,spmass,d,lb,ub,pm)

Griewank.m

MaMove(fn,mn,fsp,msp,femass,mamass,d,lb,ub,pm)

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updated 20 days ago

imdisp by Oliver Woodford

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

imdisp(I, varargin)

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updated 28 days ago

edge_detection_using_LoG.zip by Devinder

Edge Detection using Laplacian of Gaussian (edge detection, image processing, laplacian)

find_edges(img,step_size,sigma)

run_edge_det()

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updated 19 days ago

savefigure by Aslak Grinsted

Easy way of saving figures to publication friendly format. (graphics import, graphics export, save)

ArgStruct=parseArgs(args,ArgStruct,varargin)

[varargout]=savefigure(fname,varargin)

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updated 19 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 21 days ago

Mean square displacement analysis of particles trajectories by Jean-Yves Tinevez

A MATLAB class for the mean square displacement analysis of particle trajectories, with a tutorial. (measurement, simulation, statistics)

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updated 19 days ago

A new optimization algorithm inspired by the States of Matter by Erik

A new optimization algorithm inspired by the States of Matter (optimization, genetic algorithm, search)

stateofmattersearch(NoPob)

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updated 17 days ago

Autonomous Groups Particles Swarm Optimization (AGPSO) by Seyedali Mirjalili

A Particle Swarm Optimization Algorithm with Autonomous Groups of Particles (particle swarm optimi..., pso, optimization)

Get_Functions_details(F)

[gBestScore,gBest,cg_curve]=AGPSO1(N,Max_iteration,lb,ub,...

[gBestScore,gBest,cg_curve]=AGPSO1(N,Max_iteration,lb,ub,...

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updated 11 days ago

Grey Wolf Optimizer Toolbox by Seyedali Mirjalili

A toolbox for the Grey Wolf Optimizer (GWO) algorithm (optimization, grey wolf optimizer, gwo)

CostFunction( x )

GWO_toolbox(varargin)

Positions=initialization(SearchAgents_no,dim,ub,lb)

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updated 19 days ago

Lambert's Problem by David Eagle

MATLAB functions and scripts for solving the geocentric and heliocentric Lambert problem. (aerospace, mathematics, simulation)

atan3 (a, b)

eci2orb1 (mu, r, v)

gdate (jdate)

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updated 19 days ago

CAB.zip (Algorithm for Global Optimization Inspired by Collective Animal Behavior) by Erik

Algorithm for Global Optimization Inspired by Collective Animal Behavior (optimization, genetic algorithm, search)

[VC VH]=ComparaHC(H,fh,C,fc,Mbest,rho)

[xn,yn]=findrange(xn,yn,range)

CAB.m

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updated 21 days ago

currency recognition by Arun Kumar

currency recognition with good accuracy and high processing speed (currency recognition, image processing, color feature extract...)

colfet=color_luv(rgb_im)

edgehist(rgb_im)

fet=totalfeature(rgbim)

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updated 21 days 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 days ago

Image compression using Block Truncation Coding by Arun Kumar

Block Truncation Coding is a type of lossy image compression technique (block truncation codi..., image compression, image processing)

btcnew.m

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updated 13 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 21 days ago

Aerospace Trajectory Optimization Using Direct Transcription and Collocation by David Eagle

Demonstrates the solution of an aerospace trajectory optimization problem. (aerospace, optimization)

cgl(np, a, b)

defect_trap(tk, tkp1, xk, xkp1, uk, ukp1)

dto_guess(ti, tf, xi, xf, ngrid)

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updated 26 days ago

Binary Gravitational Search Algorithm (BGSA).zip by Esmat Rashedi

Binary Gravitational search algorithm (binary gravitational ..., gravitational search ..., optimization)

BGSA.m

BGconstant.m

BGfield.m

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updated 21 days ago

FODPSO for Fitting by Micael Couceiro

Fitting data with a given mathematical model using the FODPSO (data fitting, optimization, mathematical modeling)

Computefitness.m

FDPSOFitting.m

testing.m

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updated 4 days ago

Enhanced Binary Particle Swarm Optimization (BPSO) with 6 new transfer functions by Seyedali Mirjalili

An Enhanced binary Particle Swarm Optimization algorithm (VPSO) with v-shaped transfer functions (particle swarm optimi..., pso, binary particle swarm...)

DrawConvergenceCurves(p,Max_iteration)

MyCost(x)

[gBest,gBestScore,ConvergenceCurve]=BPSO(noP,Max_iteratio...

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updated 21 days ago

Ballistic Interplanetary Trajectory Design and Optimization by David Eagle

A MATLAB Script for Ballistic Interplanetary Trajectory Design and Optimization (aerospace, mathematics, simulation)

atan3 (a, b)

becl2000(ntarg, jdate)

eci2orb1 (mu, r, v)

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updated 18 days ago

Toolbox to analyze nanoindentation data. by David MERCIER

A MATLAB GUI to plot and to analyze (nano)indentation data (obtained with conical indenters) (gui, data import, data export)

A_get_and_plot

A_get_param_GUI.m

A_indenters_properties_GUI.m

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updated 25 days ago

Import ImageJ ROIs by Dylan Muir

Read ROIs and ROI sets saved from ImageJ into MATLAB, without java. (data import, image processing, imagej)

ReadImageJROI(cstrFilenames)

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updated 20 days ago

IM2GIF by Oliver Woodford

Converts a multiframe image to an animated GIF. (image, multiframe, animated)

im2gif(A, varargin)

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updated 19 days ago

Optimal Finite-burn Interplanetary Injection from Earth Orbit by David Eagle

A MATLAB script for optimizing finite-burn interplanetary injection trajectories. (aerospace, mathematics, simulation)

[fid, ic_type, itarget, read_fname, write_fname, nsegment...

asympt (cbmu, rsc, vsc)

atan3 (a, b)

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updated 21 days ago

Gravity-assist Trajectory Design and Analysis by David Eagle

A MATLAB Script for Interplanetary Gravity-Assist Trajectory Design and Optimization (aerospace, mathematics, simulation)

atan3 (a, b)

bplane(r, v)

eci2orb1 (mu, r, v)

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updated 28 days ago

Convert Image To And From Graph Coordinates by Michael Chan

Illustrates mapping of binary image to graph coordinates and vice-versa. (image, plot, coordinates)

mapPixelsToCoordinatedPlotGraph(pixeliZedScratchPad, ...

plotCoordinatesToImagePixels(x_coordinates, y_coordinates...

usage_ImageToAndFromGraphCooridinates.m

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updated 14 days ago

CIRCLE OBJECT COUNTER by AISHWARYA PANDEY

USED TO COUNT CIRCULAR OBJECTS IN A FIGURE (image processing, funappsutilities)

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updated 14 days ago

Chaos theory and meta-heuristics by Seyedali Mirjalili

10 chaotic maps that can be integrated to any meta-heuristics (optimization, metaheuristic, heuristic)

O=chaos(Index,Initial_Value,Max_iter)

Main.m

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updated 21 days ago

A MATLAB Script for Earth-to-Mars Mission Design by David Eagle

Determines optimal n-body ballistic trajectories from Earth park orbit to encounter at Mars. (aerospace, mathematics, interplanetary missio...)

[fid, otype, jdtdb_tip, ddays1, jdtdb_arrival, ddays2, hp...

atan3 (a, b)

brent (f, x1, x2, rtol)

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updated 20 days ago

Feedback Linearizing Control Using Hybrid Neural Networks Identified by Sensitivity Approach by Janos Abonyi

Identification and application of hybrid models for Globally Linearizing Control (neural network, cstr, blackbox)

fmin_lm(yfun,jxfun,x0,ym,opt,uservar)

fsimu(theta,in2);

fsimu2(theta,in2);

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updated 21 days ago

Parametric Analysis of Minimum TLI Delta-V Lunar Transfer Trajectories by David Eagle

Parametric Analysis of Minimum TLI Delta-V Lunar Transfer Trajectories (aerospace, mathematics, simulation)

atan3 (a, b)

eci2orb1 (mu, r, v)

eqxra (tjd, k)

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updated 21 days ago

The Gravity Perturbed Hohmann Transfer by David Eagle

MATLAB script for solving the Hohmann transfer problem perturbed by non-spherical Earth gravity. (aerospace, mathematics, simulation)

[fid, alt1, alt2, inc1, inc2, raan1, jdutc0, gst0, ...

atan3 (a, b)

brent (f, x1, x2, rtol)

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updated 19 days ago

Ancestral polytree by Guangdi Li

The code here provides the algorithm of learning ancestral polytree. (mathematics, statistics, modeling)

BFS_LocalPolytree( UPRMatric,MaxNode )

CITest_ChiTwoVar( MI, R, M, a )

ConditionalIndependentMatric( LGObj,a )

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updated 19 days ago

Solar Sail Trajectory Analysis with MATLAB by David Eagle

Two-dimensional trajectory analysis of solar sail Earth-to-Venus and Earth-to-Mars missions. (aerospace, mathematics, simulation)

[fid, nsegments, achar, b1, b2, b3, iplanet, time_g, time...

rkf78 (deq, neq, ti, tf, h, tetol, x)

ss2d_eqm_opt (t, y)

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updated 25 days ago

Chebpack by Damian Trif

The MATLAB package Chebpack solves specific problems for differential or integral equations. (mathematics, differential equation..., integral equations)

A=fact(a,m)

B=Ex4_delay_main

Boussinesq.m

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updated 21 days ago

Impulsive Hyperbolic Injection from a Circular Earth Park Orbit – NLP Method by David Eagle

PDF document and MATLAB script for interplanetary injection using a nonlinear programming method. (aerospace, mathematics, simulation)

atan3 (a, b)

eci2orb1 (mu, r, v)

hyperfunc (x)

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updated 26 days ago

nlals.zip by Nima Vakili

Level set method for image segmentation (image segmentation)

nlals.m

nlals2.m

demo1.m

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updated 11 days ago

VMAT QA by James Kerns

Analyzes VMAT quality assurance EPID images for routine Varian linac QA. (image processing, medical physics, vmat)

LoadOrSetPref(preferencegroup,preference,default,isGUIobj...

VMAT(varargin)

VMAT_settings(varargin)

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updated 21 days ago

Linear regression for multiple category data with different slopes for each by Soumya Banerjee

The function does OLS and RMA regression on data that is categorized into two different categories (aerospace, biotech, communications)

regress_plot_twocategories_allslope

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updated 4 days ago

Generator for State-Based Schedules (schedGen v2.0) by Akramul Azim

Using optimization constraints associated to timing requirements to generate state-based schedules (specification, system design, schedules)

avg_mode_change_delay.m

sgen.constraints(S, filename)

sgen.get_ampl_sched_from_file(filename)

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updated 21 days ago

A MATLAB Script for Optimal Single Impulse De-orbit from Earth Orbits by David Eagle

optimal impulsive maneuver required to de-orbit a spacecraft in a circular or elliptical Earth orbit (aerospace, mathematics, optimization)

atan3 (a, b)

deltav_guess(oev1, alttar, fpatar)

deorbit_shoot(x)

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updated 5 days ago

An Efficient Median Filter by Arun Kumar

The median filter is used to reduce noise in an image (image filtering, image processing, filter)

pgm.m

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updated 18 days ago

imshow4 by Jiri Chmelik

Function for 2D/3D/4D image view. (image, image analysis, visualization)

imshow4(varargin)

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updated 28 days ago

pointonsphere by Leevan Ling

Put N uniformly distributed points on unit sphere. (differential equation..., uniformly, distributed)

pointonsphere(N)

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updated 18 days ago

fourierShapeDescriptor.zip by Weicheng Kuo

Fourier shape descriptors for simple binary region (tutorial, image processing, geometry)

B=fourierShapeDescriptor(A,r)

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updated 12 days ago

MEME GENERATOR by AISHWARYA PANDEY

SIMPLE APP TO GENERATE MEME....adds text to the image selected by user (image processing, image analysis, text)

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