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updated 4 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 12 hours ago

Export figure to 3D interactive PDF by Ioannis Filippidis

Export figure as U3D file or directly to 3D interactive graphics within PDF. (3d, u3d, graphics)

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updated 17 hours ago

coherentstate.m by NILAKANTHA MEHER

Coherent state foe e.m field (physics, mathematics)

Coh=coherentstate(alpha,dim_a)

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updated 2 days ago

Horizon Stabilization by Michael Schwendeman

Calculate camera orientation from the horizon to stabilize and rectify images from ships. (image processing, computer vision, image stabilization)

Angles2Horizon(inc,roll,K)

FindHorizon(frames,ROI,method)

FindHorizonAlternate(frames,ROI,method)

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updated 4 days ago

Apply Restrictions by Tyler Ransom

Implements parameter restrictions for optimization problems (optimization)

[like,grad]=mlogit(b,Y,X,nb,nc)

[like,grad]=mlogit_restrict(b,restrMat,Y,X,K,J)

applyRestr(restrMat,b,H)

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updated 4 days ago

De-Speckling SAR (Synthetic Aperture RADAR) Image by Ashish Meshram (Meet)

De-Speckling SAR (Synthetic Aperture RADAR) Image (image processing, nondecimated wavelet ..., savitzkygolay filter)

AddSpecNoise(OI,v)

MetricsMeasurement(Orig_Image,Esti_Image)

bft(OI,A,B,C,level,n,type,thresh)

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updated 4 days ago

unit_opt.zip by Traian Emanuel Abrudan

A toolbox for optimization under unitary matrix contraint (optimization, matrix, unitary)

S_out=skew(S_in)

[W_final,J_dB,E_dB,U_dB]=riemann_grad_unit_opt(W0,grad_me...

cf_eval(Wk)

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updated 4 days ago

discretefouriertransform.m by NILAKANTHA MEHER

Discrete Fourier transform (general, search, application)

X=discretefouriertransform(Data,timestep)

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updated 4 days ago

Stochastic Fractal Search (SFS) by Hamid Salimi

A novel and powerful metaheuristic that you can always rely on it (optimization, metaheuristic, fractal)

Bound_Checking(p,lowB,upB)

DeJong(x)

Diffusion_Process(Point,S,g,BestPoint)

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updated 4 days ago

BEASF Image Enhancer for Gray Scale Images. by Edgar Arriaga

Image enhancement using Bi-Histogram Equalization with adaptive sigmoid functions (contrast enhancement, image enhancement, image processing)

BEASF(I,gamma)

BEASF_GS_Enhance.m

CDF(H)

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updated 4 days ago

Recalculate rectification indices for rectangle image by Peter Seibold

For fast image processing this script extracts parameters for stereo image rectification. (image processing, stereo vision, calibration)

Double_versus_uint

FindLargestRectanglesPUS(I, crit, minSize)

extractIndicesForStereoPair

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updated 11 days ago

Nearest Neighbor algorithm for the Travelling Salesman Problem by ajevtic

Computes and plots the shortest path for the random 10-city Travelling Salesman Problem. (tsp, optimization, nearest neighbor)

nn_tsp(cities)

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updated 13 days ago

TEXPRESS Toolbox v1.0 by James Dillon

GDGT LC/MS Processing (lcms, mass spectroscopy, geochemistry)

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updated 15 days ago

amjams/spca_am by Ahmad Alsahaf

Sparse Principal Component Analysis using Alternating Maximization (spca, pca, modeling)

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updated 16 days ago

Cubehelix Colormaps by Stephen Cobeldick

Attractive full-color colormaps that also print in grayscale (keeping the sequence information). (colormap, color scheme, color)

cubehelix(N,start,rots,hue,gamma,rng)

cubehelix_find(map)

cubehelix_view(start,rots,hue,gamma,rng)

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updated 16 days ago

imshow3D (3D imshow) - new version released: see "imshow3Dfull" 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 16 days ago

fastreg.zip by Min

A very fast subpixel image registration (subpixel, image processing, image registration)

[m n]=fastreg(standimage,compimage)

fastregdemo

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updated 16 days ago

SOS.m by Doddy Prayogo

A new population-based metaheuristic algorithm for continuous numerical optimization problems. (genetic algorithm, optimization, metaheuristic)

[bestOrganism bestFitness]=SOS(ecosize,funnum)

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updated 16 days ago

imshow3Dfull (3D imshow in 3 views) by Maysam Shahedi

imshow3Dfull displays 3D images slice by slice in 3 orthogonal views, with mouse control (3d image viewer, imshow 3d, imshow3d)

imshow3Dfull( Img, disprange )

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updated 17 days ago

ImGRAFT by Aslak Grinsted

An image Georectification and Feature Tracking toolbox (template matching, georectification, georeferencing)

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updated 18 days ago

Graphical User Interface for Solving Ordinary Differential Equations for In-Vitro Infection by Soumya Banerjee

A graphical user interface to solve a set of ordinary differential equations (in-vitro infection) (data import, data export, gui)

odecall_eclipse_tcl_jv_local(target,infected1,...

odesolver_outline

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updated 22 days ago

NulceiHomo.zip by Cheng Lu

hybrid morphological reconstruction for pre-processing of nuclei image (image processing, nuclei segmentation, signal processing)

IM_homo=LmakeHomoonRC(IM,bw,strSize)

test.m

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updated 22 days ago

MATLAB GUI for image type conversion(RGB to GRAYSCALE and RGB to BINARY) by Rishabh Thareja

A real-time GUI for converting a image type of a snapshot from live video stream. (image processing, image, gui)

image_conversion(varargin)

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updated 23 days ago

Virtual Keyboard Using Image Processing by Arun Kumar

The keyboard is made of paper. A web cam is used to scan the pressed keys. (virtual keyboard usin..., virtual keyboard usin..., virtual keyboard)

gui1(varargin)

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updated 23 days ago

saveVideo.m by Adam Li

Takes Images and Saves Them into Videos (image processing, image segmentation, data import)

saveVideo(mainDir, imageDir, expName)

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updated 23 days ago

Feature Mutual Information (FMI) Image Fusion Metric by Mohammad Haghighat

A non-reference image fusion metric based on mutual information of image features (image fusion, metric, image fusion metric)

fmi(ima, imb, imf, feature, w)

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updated 26 days ago

imtool3D by Justin Solomon

This is a image slice viewer with built in scroll, contrast, zoom and ROI tools. (image processing, medical imaging, 3d images)

imtool3D

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updated 30 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 30 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 1 month ago

kirschedge.m by Sarojkumar

A function for edge detection (image processing)

y=kirschedge(x)

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updated 1 month ago

Solving Optimal Control Problems using Simscape Models for State Derivatives by Daniel Herber

This code replicates the results found in a tech report by the same name (brysondenham, design, control)

BrysonDenhamDerivative(t,y,u,p)

BrysonDenhamMain()

BrysonDenhamPlot(uMat,sMat,p)

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updated 1 month 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 1 month 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 1 month ago

RViewer by Tony Davis

Image Viewer with Interpolation on Zoom, Multiple Sync (image, display, interpolation)

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updated 1 month 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 1 month ago

roipolyaa.m by Andrew Simpson

Select a region of interest with blended (anti-aliased) edges (roipoly, inpolygon, image)

mask=roipolyaa(xmin, xmax, ymin, ymax, XV, YV, sd)

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updated 1 month ago

imshow4 by Jiri Chmelik

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

imshow4(varargin)

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updated 1 month 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 1 month 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 1 month ago

window.m by Aravazhi Anbarasu

Window Function for Signal Processing (signal processing, control design, image processing)

window(win_size,type)

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updated 1 month 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 1 month ago

SE.zip by tkt

Shielding Effectiveness (emc, electromagnetic compa..., electromagnetic)

SE(varargin)

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updated 1 month ago

cmacminn/getTimeStamp by Christopher MacMinn

A MATLAB function to read the timestamp of an image file. (image processing)

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updated 1 month ago

Multilevel Thresholding Segmentation Based on Harmony Search Optimization by Diego Oliva

An implementation of harmony search algorithm for multilevel thresholding image segmentation (image segmentation, optimization, histogram)

Kapur.m

PSNR.m

PSNR.m

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updated 1 month ago

A multilevel thresholding algorithm using Electromagnetism Optimization by Diego Oliva

An implementation of Electromagnetism Optimization for multilevel image thresholding (image segmentation, evolutionary algorith..., electromagnetism opti...)

Kapur.m

MTHEMO.m

PSNR.m

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updated 1 month ago

Matrix exponential times a vector by Peter Kandolf

Computes EXPM(tA)b, without explicitly computing the matrix exponential, by Leja interpolation. (mathematics, matrix, matrix exponential)

expleja (h, A, varargin)

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updated 1 month ago

Express_as_exponential_series by David H

Converts a symbolic expression S to the form S = sum_{k=1}^N c_k exp(b_k*t) (symbolic, exponential, series)

express_exp_series(S,t,remove_dupe)

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updated 1 month ago

Chebfun V4 by Chebfun Team

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

absTest

ad_basic

ad_basic2

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updated 1 month ago

knnclassification.m by Henry

KNN method (image processing)

knnclassification(testsamplesX,samplesX, samplesY, Knn,ty...

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updated 2 months 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)

TIFFStack

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