image thumbnail

updated 23 hours ago

Trainable COSFIRE filters for vessel delineation with application to retinal images by Nicola Strisciuglio

Nicola Strisciuglio

B-COSFIRE filters detect line at different orientations by combining the responses of DoG filters. (vessel segmentation, image segmentation, line detector)

fakepad.m

rocarea.m

createretinamaskcolored.m

image thumbnail

updated 12 days ago

PROMPT by Gaik Tamazian

Gaik Tamazian

PRotein cOnformational Motion PredicTion toolbox. (computational biology, conformational change, proteomics)

atomicmass(atomicSymbols)

circdist(X, Y)

circinterp(X, Y, nValues, shortArc)

image thumbnail

updated 15 days ago

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

Kevin Moerman

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

image thumbnail

updated 20 days ago

Signal Dependent Noise Level Estimation by xinhao liu

xinhao liu

This code will estimate the three parameters of signal dependent noise model. (signal dependent nois..., noise variance, noise estimation)

GSGNoiseModel(sigw, sigu, gamma,X)

SGDNoiseLevel(img,patchsize,conf,itr)

addSGDNoise(X, sigw, sigu, gamma )

image thumbnail

updated 1 month ago

A Comparison of Evolutionary Computation Techniques for IIR Model Identification by Erik

Erik

Evolutionary Computation Techniques are compared considering some IIR identification problems (pso, genetic algorithm, filter design)

ABC.m

simulasist3.m

apso_1st_order_filter.m

image thumbnail

updated 1 month ago

Weighted Iterative Truncated Mean Filter by Miao Zhenwei

Miao Zhenwei

WITM filters (image processing, signal processing, filter)

GWITM.m

LCWITM_filter.m

LCWITM.m

image thumbnail

updated 1 month ago

Guaranteed Automatic Integration Library by GAIL

GAIL

A suite of algorithms for integration problems whose answers are guaranteed to be correct. (monte carlo simulatio..., sobol, integration)

cubSobol_old_g.m

GAILstart(isverbose)

TestcubMCDiffSettings(test,fun,param)

image thumbnail

updated 2 months ago

Ncorr - 2D Digital Image Correlation Software by Justin Blaber

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...

image thumbnail

updated 2 months ago

Evolution Strategies (ES) by Gilberto A. Ortiz

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)

image thumbnail

updated 2 months ago

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

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)

image thumbnail

updated 2 months ago

Binary Genetic Algorithm Feature Selection.zip by Oluleye Babatunde

Oluleye Babatunde

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

Binary_Genetic_Algorithm_Hezy_2013

image thumbnail

updated 2 months ago

Kernel smoothing density estimate for circular data by Vlad Atanasiu

Vlad Atanasiu

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

circ_ksdensity.m

circ_iqr(alpha)

image thumbnail

updated 2 months ago

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

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)

image thumbnail

updated 3 months ago

Improved Digital Image Correlation (DIC) by Elizabeth Jones

Elizabeth Jones

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

...

...

...

image thumbnail

updated 3 months ago

Swarm Rapid Centroid Estimation: A particle swarm clustering algorithm by Mitchell Yuwono

Mitchell Yuwono

An efficient particle swarm approach for rapid optimization of cluster centroids. (optimization, statistics, data exploration)

EnsembleAggregate(softlabels,method,visualize)

RCE(in,k, varargin )

[h,x,y,z] =plot_fuzzy_voronoi (dt, u, m,N_steps,distance,...

image thumbnail

updated 3 months ago

Data based modeling of nonlinear dynamic systems using System Identification Toolbox by Rajiv Singh

Rajiv Singh

Perspectives on nonlinear identification using a throttle valve modeling example. (toolbox, system identification, narmax)

throttleODE(t, x, F, c, k, K, b, varargin)

throttledemo.m

dataprep.m

image thumbnail

updated 4 months ago

Natural Gas Storage Valuation by Ameya Deoras

Ameya Deoras

Demos and files from the webinar (energy trading, energy risk, commodities)

plot2svg.m

plot2svgstring.m

getLocalDateFormat.m

image thumbnail

updated 4 months ago

Texture Classification by Vahid K. Alilou

Vahid K. Alilou

The segmentation-based fractal texture analysis is used to classify different image textures. (image processing)

findBorders( I )

hausDim( I )

makedb(style, level)

image thumbnail

updated 5 months ago

Ornstein Uhlenbeck Simulations and Descretisation error by Ahmos Sansom

Ahmos Sansom

Ornstein Uhlenbeck simulations based on simple discretisation and compared to Gillespie solution (finance, simulation, mathematics)

OrnsteinUhlenbeck(nDays, nSims, Seed, mu, s0, vol, theta)

OrnsteinUhlenbeckGillespie(nDays, nSims, Seed, mu, s0, vo...

OrnsteinUhlenbeckReducedTimeStep(nDays, nSims, Seed, mu, ...

image thumbnail

updated 6 months ago

STBL: Alpha stable distributions for MATLAB by Mark Veillette

Mark Veillette

Functions to handle one-dimensional alpha stable distributions (mathematics, probability, statistics)

image thumbnail

updated 1 year ago

Backtracking Search Optimization Algorithm by PINAR CIVICIOGLU

PINAR CIVICIOGLU

A new swarm-based global optimization algorithm for real valued numerical optimization problems. (optimization, signal processing, image processing)

FoxHoles(x,mydata)

[fname,fnc,low,up,dim]=setttingOfBenchmarkFnc(i)

ackley(x,mydata)

image thumbnail

updated 1 year ago

MATLAB for R Users in Computational Finance by Ameya Deoras

Ameya Deoras

Learn how to use MATLAB and R together to tackle your computational needs (r, rstudio, time series)

blsapp()

blsbtyval(SpotPrice, StrikePrice, RiskFreeRate, ...

blsmaincall2(Request)

image thumbnail

updated 1 year ago

Algorithmic Trading | Moving Average Crossover Strategy with WFAToolbox by WFAToolbox

WFAToolbox

The classical technical analysis strategy for an advanced algorithmic trading GUI - WFAToolbox (finance, gui, trading)

MAcross_strategy(x,price)

image thumbnail

updated 1 year ago

Differential Search Algorithm: A modernized particle swarm optimization algorithm by PINAR CIVICIOGLU

PINAR CIVICIOGLU

DSA is a modernized particle swarm optimization algorithm. (simulation, optimization, statistics)

ds(method,fnc,mydata,size_of_superorganism,size_of_one_cl...

out=circlefit(X,mydata)

out=weierstrass(X,str)

image thumbnail

updated 1 year ago

Negative Binomial Regression by Surojit Biswas

Surojit Biswas

NB2 Negative-Binomial regression. (statistics, mathematics, optimization)

nbreg( x, y, varargin )

image thumbnail

updated 2 years ago

Analyzing Investment Strategies with CVaR Portfolio Optimization by Bob Taylor

Bob Taylor

Scripts and data to demonstrate the new PortfolioCVaR object in Financial Toolbox. (finance, portfolio, optimization)

covered_engine(X, T, mu, sigma, ...

gbm_calibration(t0, X, t)

gbm_call_price(X0, K, r0, T, sigma)

image thumbnail

updated 2 years ago

Matrix Decomposition by Aleksander

Aleksander

Positive definite correlation matrix based on spectral decomposition. Now both for .m, C and Mex (cholesky, decomposition, correlation matrix)

SpectralDP(Correlation)

image thumbnail

updated 2 years ago

SCOPE: plot survival and censoring data from excel file interactively by Rex Cheung

Rex Cheung

This program is a SCOPE sub-routine to plot the survival and censoring data stored in an excel file (mathematics, data import, data export)

xlsSeerComputeSurvivalFuntion(xlsfilename)

image thumbnail

updated 2 years ago

SCOPE: mulit-variate cox regression by Rex Cheung

Rex Cheung

Compute and plot cox regression fit using censored survival data stored in an excel file (data import, mathematics, statistics)

xlsSeerComputeSurvivalFuntionCoxRegression(xlsfilename)

image thumbnail

updated 2 years ago

SCOPE: kstest2 extended to allow censoring by Rex Cheung

Rex Cheung

Extends Matlab 2-sample Kolmogorov-Smirnov test to test "censored" survival data (data import, data export, statistics)

xlsSeerComputeSurvivalFuntionKSTest2(xlsfilename)

image thumbnail

updated 2 years ago

Stereo testbed v0.1 by Raul Correal

Raul Correal

Testbed for analysis, evaluation and comparison of stereo matching algorithm. (stereo vision, image processing, testbed)

IterativeAveragingFilter.m

Luv2RGB(luvim)

RGB2Luv(im)

image thumbnail

updated almost 3 years ago

Create a Simulated Image of Diffraction Limited Spots with Noise by Tristan Ursell

Tristan Ursell

Create images with diffraction-limited spots of varying size and intensity, with noise. (image, create, creation)

[Iout,Inoise,spot_data]=spotmaker(im_sz,num_spots,varargin)

image thumbnail

updated almost 3 years ago

Fit all valid parametric probability distributions to data by Mike Sheppard

Mike Sheppard

ALLFITDIST Fit all valid parametric probability distributions to data. (simulation, statistics, finance)

allfitdist(data,sortby,varargin)

image thumbnail

updated almost 3 years ago

Protein Array Tool by Danny Allen

Danny Allen

Converts an image of an R&D Systems Proteome Profiler Array into a list of relative protein levels. (image processing, medical, pharmaceutical)

FitProteinArray(ImageType,TemplateFileName, Manual, Image...

FitProteinArrayGUI()

minBoundingBox(X)

image thumbnail

updated almost 3 years ago

JPEG Compression (DCT) by Vinay Kumar Tadepalli

Vinay Kumar Tadepalli

JPEG compression using Discrete Cosine Transform Technique (image processing, simulation, signal processing)

dct1.m

image thumbnail

updated 3 years ago

Random Vector Normal to a Given Vector by David

David

Random unit vectors are generated that are normal to a specified vector in 3-space. (mathematics)

Vector_Normal_toAnother_Vector(A)

image thumbnail

updated 3 years ago

Processing Script for Cryostratigraphy Using X-ray Computed Tomography Scans of Permafrost Cores by Wendy

Wendy

This script processes DICOM images resulting in gas-ice-sediment volumetric content. (image processing, earth science, permafrost)

shrinkWrap2D(I,varargin)

XrayCTscript.m

image thumbnail

updated 3 years ago

gaussian mix fit of multiple connected ellipses by Georg D

Georg D

processes image data containing connected ellipses. we try to fit a gaussian mixture to ellipses. (image processing, ellipse, fitting)

exampleFindEllipses

fitMixGauss(xyData,nrgaussians,param,plotresult,replicate...

imageToData(img)

image thumbnail

updated 3 years ago

Electricity Load and Price Forecasting Webinar Case Study by Ameya Deoras

Ameya Deoras

Slides and MATLAB® code for the day-ahead system load and price forecasting case study. (electricity, energy trading, model)

createHolidayDates(startDate, endDate)

dynamicDateTicks(axH, link)

fetchDBLoadData(startDate, endDate)

image thumbnail

updated 3 years ago

Using MATLAB to Optimize Portfolios with Financial Toolbox by Bob Taylor

Bob Taylor

Scripts and data to demonstrate the new Portfolio object in Financial Toolbox. (portfolio, optimization, finance)

part1_plot(varargin)

PortfolioDemo

part1_intro.m

image thumbnail

updated 4 years ago

gaussmult by Antonio Trujillo-Ortiz

Antonio Trujillo-Ortiz

Gauss's multiplication formula. (mathematics, gauss, multiplication theore...)

gaussmult(m,z)

image thumbnail

updated 4 years ago

Portfolio Optimizer Tool by Patric Schenk

Patric Schenk

Portfolio Optimizer Tool (data import, finance, gui)

portfoliotool(varargin)

ExcelReport

Portfolio

image thumbnail

updated 4 years ago

LinStats by Michael Boedigheimer

Michael Boedigheimer

Statistical analysis (ANOVA,…) and plotting of fixed and mixed effects models using modern methods (statistics, gui, optimization)

blkrepmat( type, c, q )

center(X, V, dim)

coeff2eqn( coeffs, var_names, skipzeros, parens )

image thumbnail

updated 4 years ago

Mutual Information -2 variablle by Taesam Lee

Taesam Lee

Estimate Mutual Information with kernel density function (simulation, optimization, signal processing)

[Ixy,lambda]=MutualInfo(X,Y)

image thumbnail

updated 4 years ago

RAPID RADIOMETRIC ENHANCEMENT OF COLORED 3D POINT CLOUDS USING COLOR BALANCING by Ulas Yilmaz

Ulas Yilmaz

Modules for radiometric enhancement of colored 3D point clouds using color balancing (image processing, 3d, radiometric enhanceme...)

cbalance.m

cbalanceTest.m

image thumbnail

updated 5 years ago

Non-linear regression GUI by Pablo Marín

Pablo Marín

This GUI solves model-based non-linear regression problems of the univariate and multivariate form. (statistics, optimization)

nlinreg(varargin)

image thumbnail

updated 5 years ago

Empirical Bivariate CDF by Taesam Lee

Taesam Lee

Estimating Empirical Bivariate Cumulative Density Function (mathematics, statistics, simulation)

[biv_CDF,x_c,y_c,biv_PDF]=ecdfbiv(XD,nxbin,nybin)

image thumbnail

updated 5 years ago

Automated Failure Boundary Mapping by Stuart Kozola

Stuart Kozola

Demo files from July 21, 2009 webinar (statistics, optimization, clustering)

boundaryArea(Y,X,lb,ub,limitFunction)

boundarySearch(X0,lb,ub,limitFunction, varargin)

findPeak(t,y)

image thumbnail

updated 5 years ago

Matlab Cluster Ensemble Toolbox by Vincent De Sapio

Vincent De Sapio

A Matlab toolbox for investigating the application of cluster ensembles to data classification. (image processing, mathematics, statistics)

clustermap(idx)

covm(Q,D)

covm2d(theta,sx,sy)

image thumbnail

updated 6 years ago

Developing a Financial Market Index Tracker using MATLAB OOP and Genetic Algorithms by Mark Hoyle

Mark Hoyle

Files used in the webinar of the same name (finance, modeling, analysis)

CreateIndex(NumDays,NumStocks,TotalNumStocks,L,K,s,t)

GetGAData(Wts,Stocks,Dates,StartDate)

InitialiseSession

Contact us