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updated 2 years ago

Active Shape Model (ASM) and Active Appearance Model (AAM) by Dirk-Jan Kroon

Cootes 2D/3D Active Shape & Appearance Model for automatic image object segmentation and recognition (asm, active shape model, active shape)

A=imresize3d(V,scale,tsize,ntype,npad)

AAM_2D_example.m

AAM_3D_train_example.m

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updated 7 months ago

Tools for NIfTI and ANALYZE image by Jimmy Shen

Load, save, make, reslice, view (and edit) both NIfTI and ANALYZE data on any platform (medical, reslice, isotropic)

affine(old_img, old_M, new_elem_size, verbose, bg, method)

bipolar(M, lo, hi, contrast)

bresenham_line3d(P1, P2, precision)

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updated almost 2 years ago

Scalable Vector Graphics (SVG) Export of Figures by Juerg Schwizer

Converts 3D and 2D MATLAB plots to the scalable vector format (SVG). (specialized, plotting, svg)

demo_svg_water

plot2svg.m

simulink2svg

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updated almost 4 years ago

freezeColors / unfreezeColors by John Iversen

Use multiple colormaps per figure! Version 2, now works for many types of objects, not only images. (annotation, customization, colormap)

freezeColors(varargin)

unfreezeColors(h)

Contents.m

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updated 1 year ago

SegmentTool: An Interactive GUI for Segmenting Images by Brett Shoelson

Interactively find the best approach to segmenting (masking) your image (image, image processing, gui)

FindCirclesGUI.m

SegmentTool.m

cellfind(z)

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updated 5 months ago

Gabor Feature Extraction by Mohammad Haghighat

This program generates a custom Gabor filter bank; and extracts the image features using them. (image processing, computer vision, pattern recognition)

gaborFeatures(img,gaborArray,d1,d2)

gaborFilterBank(u,v,m,n)

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updated almost 4 years ago

Tracking red color objects using matlab by A. Bhargav Anand

This program just tracks all red color objects and draws a bounding box around them. (video processing, image processing, object tracking)

getCameraInfo(a)

redObjectTrack.m

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updated 4 months ago

Particle Swarm Optimization (PSO) by Pramit Biswas

Searching/Tuning/Optimizing by Particle Swarm Optimization (PSO) method (particle swarm optimi..., pso, particle)

Particle_Swarm_Optimization (Bird_in_swarm, Number_of_qua...

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updated 8 years ago

Particle Swarm Optimization Toolbox by Brian Birge

With Trelea, Common, and Clerc types along with ... (optimization, emergence, swarm intelligence)

...

[OUT,varargout]=pso_Trelea_vectorized(functname,D,varargin)

[out,varargout]=normmat(x,newminmax,flag)

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updated 1 month 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 almost 2 years ago

CNN - Convolutional neural network class by Mihail Sirotenko

This project provides matlab class for implementation of convolutional neural networks. (neural network, ocr, classification)

back_conv2(FM,e,K,type)

back_subsample(e, ratio)

cnet_tool(varargin)

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updated 5 months ago

geom2d by David Legland

Geometry library for matlab. Performs geometric computations on points, lines, circles, polygons... (geometry, computational geometr..., display)

InterX(L1,varargin)

angle2Points(varargin)

angle3Points(varargin)

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updated 7 years ago

GRABIT by Jiro Doke

Extract (pick out) data points off image files. (data exploration, data, extract)

grabit.m

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updated almost 3 years ago

Snake : Active Contour by Dirk-Jan Kroon

Snake Segmentation (Kass et al), 2D/3D including GVF and balloon force (Easy to read code) (snakes, active, contour)

B=SnakeInternalForceMatrix2D(nPoints,alpha,beta,gamma)

B=SnakeInternalForceMatrix3D(FV,alpha,beta,gamma)

ExternalForceImage2D(I,Wline, Wedge, Wterm,Sigma)

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updated 3 years ago

Viewer3D by Dirk-Jan Kroon

MIP, Color, Slice and Shaded 3D (shearwarp) Volume Rendering, interactive 3D view/measurement GUI (volume render, volume rendering, mip)

B=SnakeInternalForceMatrix2D(nPoints,alpha,beta,gamma)

B=SnakeInternalForceMatrix3D(FV,alpha,beta,gamma)

ErrorData3D(varargin)

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updated 2 years ago

fminsearchbnd, fminsearchcon by John D'Errico

Bound constrained optimization using fminsearch (optimization, fminsearch, constraint)

[x,fval,exitflag,output]=fminsearchcon(fun,x0,LB,UB,A,b,n...

fminsearchbnd(fun,x0,LB,UB,options,varargin)

fminsearchbnd_demo

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updated 3 months ago

Local binary patterns by Nikolay S.

Calculates image LBP (Local binary patterns). (lbp, image processing, pattern)

[outImg, varargout]=tightHistImg(inImg, varargin)

[radInterpFilt]=generateRadialFilterLBP(p, r)

assignUserInputs(funcParamsNames, varargin)

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updated 1 year ago

2D/3D image segmentation toolbox by Yan Zhang

2D/3D image segmentation using level-set based active contour/surface with AOS scheme (2d3d image segmentati..., levelset, aos)

ac_ChanVese_model(I, phi, smooth_weight, image_weight, ...

ac_GAC_model(g, phi, countour_weight, expansion_weight, ...

ac_SDF_2D(type, dims, varargin)

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updated 3 months ago

PCA Based Face Recognition System Using ORL Database by Shujaat Khan

This Package implements 'Eigenface' PCA based face recognition technique. (appearance based face..., eigenface, face recognition)

Image_Projection(T,M,Eigenfaces )

PCA_Core(Tr,M,dimensions)

PCA_NEW(Tr,Ts,TrNum,TsNum,dimensions,sno)

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updated 2 years ago

Fit all valid parametric probability distributions to data by Mike Sheppard

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

allfitdist(data,sortby,varargin)

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updated almost 9 years ago

kmeans image segmentation by Jose Vicente Manjon-Herrera

Application of kmeans clustering algorithm to segment a grey scale image on diferent classes. (morphology, segmentation, kmeans segmentation)

[mu,mask]=kmeans(ima,k)

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updated 3 years ago

Face Detection System by Omid Sakhi

Face Detection using Gabor feature extraction and neural network (application, face detection, neural networks)

drawrec (in,w)

gabor (w,nu,mu,Kmax,f,sig)

im2vec (W27x18)

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updated 29 days ago

Peak Fitter by Tom O'Haver

Command-line peak fitter for time-series signals. Version 5.5, July, 2014 (chemistry, curve fitting, decomposition)

[FitResults,LowestError,baseline,BestStart,xi,yi,BootResu...

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updated almost 4 years ago

OpenSURF (including Image Warp) by Dirk-Jan Kroon

SURF (Speeded Up Robust Features) image feature point detection / matching, as in SIFT (registration, surf, opensurf)

D=FastHessian_BuildDerivative(r,c,t,m,b)

Iout=affine_warp(Iin,M,mode)

PaintSURF(I, ipts)

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updated 5 months ago

Another Particle Swarm Toolbox by Sam

Implementation of a PSO algorithm with the same syntax as the Genetic Algorithm Toolbox. (optimization, particle swarm, pso)

...

...

...

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updated 21 days ago

Face Parts Detection by Masayuki Tanaka

It detects faces with left eye, right eye, mouth, and norse. (image processing, face, computer vision)

buildDetector( thresholdFace, thresholdParts, stdsize )

checkToolboxes(req)

detectFaceParts(detector,X,thick)

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updated 1 year ago

Cuckoo Search (CS) Algorithm by Xin-She Yang

A standard Cuckoo Search is implemented, which is very efficient. There are three versions now. (mathematics, optimization, finance)

[bestnest,fmin]=cuckoo_search(n)

[bestnest,fmin]=cuckoo_search_new(n)

[bestsol,fval]=cuckoo_search_spring(time)

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updated 7 months ago

Newton-Raphson solver by Mark Mikofski

Yet another solver that uses the backslash function to solve a set of non-linear equations. (mathematics, optimization, data exploration)

newtonraphson(fun, x0, options)

newtonraphson_example

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updated 1 day 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 years ago

Firefly Algorithm by Xin-She Yang

Firefly Algorithm for Constrained Optimization (optimization, simulation, mathematics)

[best]=firefly_simple(instr)

fa_mincon

fa_ndim

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updated almost 4 years ago

Digital Image Correlation and Tracking by Christoph Eberl

Calculate displacement and strain from a series of images (application, digital image correla..., tracking)

[FileNameBase,PathNameBase,filenamelist]=filelist_generator

[displx disply]=large_displ;

[marker_displacementx marker_displacementy gradientx grad...

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updated 8 months ago

Support Vector Regression by Ronnie Clark

A MATLAB implementation of Support Vector Regression (SVR). (regression, nonlinear, machine learning)

svr(xdata,ydata,x,alpha, b, c, epsilon)

svr_test.m

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updated 3 years ago

B-spline Grid, Image and Point based Registration by Dirk-Jan Kroon

B-spline registration of two 2D / 3D images or corrsp. points, affine and with smooth b-spline grid. (geometric transformat..., image registration, registration)

A=imresize3d(V,scale,tsize,ntype,npad)

Dlocal=jacobiandet_transform_2d_double(Ox,Oy,Isize,dx,dy)

E=strain(Ux,Uy,Uz)

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updated 1 year ago

level set for image segmentation by Chunming Li

This Matlab code implements an edge based geometric active contour model without reinitialization. (morphology, segmentation, level set)

drlse_edge(phi_0, g, lambda,mu, alfa, epsilon, timestep, ...

demo_1.m

demo_2.m

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updated 3 years ago

Ant Colony Optimization (ACO) by Dimas Aryo

Solve dynamic job shop scheduling problem with ant colony optimization (ACO). (aco, jssp, dynamic job shop sche...)

ACO(graph,machine,nodes,Q,a,b,p,t,mactime,jobtime)

[]=dinamicjssp(firstjob,newjob,newjobtime)

[]=dinamicjssp2(graph,machine,ngraph,nmachine,newjobtime)

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updated 3 years ago

Exercises in Advanced Risk and Portfolio Management by Attilio Meucci

text and comments on solutions available at http://symmys.com/node/170 (finance, statistics, optimization)

BlackScholesCall(spot,K,r,vol,T)

BlackScholesCall(spot,K,r,vol,T)

ChoiceOptimal(Market,InvestorProfile)

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updated 5 months ago

Image Measurement Utility by Jan Neggers

Interactive tool allowing the measurement of distances, radii, and angles in images (image processing, measurement, microscope)

measuretool(varargin)

Image Measurement Utility

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updated almost 5 years ago

MESH2D - Automatic Mesh Generation by Darren Engwirda

Generates unstructured triangular meshes for general 2D geometry. (mathematics, simulation, modeling)

checkgeometry(node,edge,face,hdata)

circumcircle(p,t)

connectivity(p,t)

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updated 4 years ago

MRI Brain Segmentation by Robert Bemis

Neuroimaging Case Study for seminars and webinars. (medical, segmentation, gray)

StepThru(mfile,ws)

UpdateSliceOMatic(X,hSlico)

[x,y]=limits(a)

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updated 3 years ago

SVM Demo by Richard Stapenhurst

An interactive demo of how an SVM works, with comparison to a perceptron (demo, optimization, optimisation)

LinearClassifier

svm_demo

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updated 3 years ago

Simple example of PSO algorithm by Andrea Cirillo

Matlab function to find the minimum of a objective function with the PSO Algorithm (optimization, mathematics, pso)

[p_min, f_min, iter]=pso(func, numInd, range, n_var, tole...

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updated 11 months ago

Fast 2D peak finder by natan

Find local maxima \ peak positions in noisy 2D arrays (peakfind, peak, local maxima)

[cent, varargout]=FastPeakFind(d, thres, filt ,edg, res, ...

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updated 1 year ago

Super Mario Bros. Demo by Mingjing Zhang

A playable demo of Super Mario Bros. World 1-1 with background music (game, gui, animation)

stl_mario_main()

Super Mario Bros. Demo

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updated 5 months ago

EzyFit 2.42 by Frederic Moisy

A free curve fitting toolbox for Matlab (approximation, interpolation, curve)

[eqml,param]=eq2ml(eq,xvar)

delseldata

findword(inputstr,delim)

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updated 3 years ago

Colorspace Transformations by Pascal Getreuer

Transform colors between sRGB, YCbCr, YPbPr, YUV, YIQ, HSV, HSL, HSI, XYZ, Lab, Luv, LCH, CAT02 LMS (color, image processing, pick of the week)

colorspace(Conversion,varargin)

colorspace_demo(Cmd)

colorspace_ciedemo.m

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updated 3 years ago

Face Detection using Support Vector Machine (SVM) by Omid Sakhi

Face Detection using Gabor feature extraction and support vector machines (SVMs) (face detection, support vector machin..., svm)

gabor (w,nu,mu,Kmax,f,sig)

im2vec (W27x18)

imscan (net,im)

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updated 3 years ago

Electricity Load and Price Forecasting Webinar Case Study by Ameya Deoras

Slides and MATLABĀ® 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)

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updated 6 years ago

regtools by Per Christian Hansen

Analysis and Solution of Discrete Ill-Posed Problems. (linear algebra, discrete, illposed)

app_hh(A,beta,v)

art.m

baart(n)

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updated 20 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 almost 5 years ago

Efficient Graph based image Segmentation by Su Dongcai

A simple and efficient graph based image segmentation algorithm (image processing, kruskal, minimum span tree)

CoherenceFilter(u,Options)

D=derivatives(I,option)

I=imgaussian(I,sigma,siz)

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