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updated 8 days ago

boundedline.m by Kelly Kearney

Plot one or more lines with a shaded boundary (can represent error, confidence intervals, etc). (so well programmed, bounds line confidenc..., potw)

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updated 11 days ago

export_fig by Oliver Woodford

Exports figures nicely to a number of vector & bitmap formats. (jpeg, anti alias, marker size)

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updated 16 days ago

Symbolic Polynomial Manipulation by John D'Errico

Symbolic polynomial manipulation as an exercise in OOP (symbolic, polynomial, arithmetic)

Sympoly_demos

adjoint(A)

consolidator(x,y,aggregation_mode,tol)

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updated 16 days ago

Adaptive Robust Numerical Differentiation by John D'Errico

Numerical derivative of an analytically supplied function, also gradient, Jacobian & Hessian (hessian, jacobian, toolbox)

derivest_demo

multivariable_calc_demo

derivest(fun,x0,varargin)

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updated 16 days ago

Variable Precision Integer Arithmetic by John D'Errico

Arithmetic with integers of fully arbitrary size. Arrays and vectors of vpi numbers are supported. (finite field, integer, biginteger)

demo_vpi

base2vpi(B,base)

bin2vpi(B)

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updated 16 days ago

HPF - a big decimal class by John D'Errico

High precision floating point arithmetic, a new class written in MATLAB (hpf, multiple precision, big decimal)

Demo script for my High Precision Floating point decimal

hpf_regression_testing

DefaultDecimalBase(DBaseNew)

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updated 16 days ago

LOSIB (Local Oriented Statistics Information Booster) for texture retrieval by Oscar GarcĂ­a-Olalla

Very Fast Function based on the method published in ICPR 2014, LOSIB for texture retrieval. (texture, texture description, image processing)

getLosib.m

LOSIBExample.m

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updated 22 days ago

Dynamic Copula Toolbox 3.0 by Manthos Vogiatzoglou

Functions to estimate copula GARCH and copula Vine models. (copulas, toolbox, dependence)

ARMAeq(theta, data, spec)

CalcStErrors(MyFunc, theta, data, grad, hessian, spec, so...

CopulaGARCHLogL(theta,data,spec,solver)

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updated 22 days 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 29 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 1 month ago

Dynamic Time Warping (DTW) by Quan Wang

This package implements Dynamic Time Warping (DTW). (signal processing, machine learning, time series)

dtw(s,t,w)

demo_dtw.m

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updated 1 month ago

Cascade Trainer: Specify Ground Truth, Train a Detector by Brett Shoelson

Interactively specify rectangular ROIs in a list of images and build new cascade classifiers. (object detection, cascade training gui, ground truth)

Cascade Trainer

addROI(varargin)

cascadeTrainer(varargin)

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updated 1 month ago

Imagine by Christian Wuerslin

4D/3D image visualization and evaluation GUI. (3d, potw, pick of the week)

Imagine

fLiveWireCalcP.m

fLiveWireGetPath.m

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updated 1 month ago

geom2d by David Legland

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

Demo Medial Axis

Draw Poisson lines

demoExpandPolygon

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updated 2 months ago

movingstd(x,k,windowmode) by John D'Errico

A (fast) windowed std on a time series (movingavg, standard deviation, std)

movingstd(x,k,windowmode)

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updated 2 months ago

Contour detection by CORF operator by George Azzopardi

The CORF contour operator is based on a computational model of a simple cell in visual cortex. (edge detection, contour detection, visual cortex)

CORF(I, sigma, t)

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updated 2 months ago

Fast 'n easy smoothing by Damien Garcia

SMOOTHN allows automatized and robust smoothing in arbitrary dimension w/wo missing values (smooth, curve fitting, image processing)

smoothn(varargin)

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updated 2 months ago

GUI Layout Toolbox by Ben Tordoff

Layout management objects for MATLAB GUIs (potw, gui, layout)

callbackexample()

demoBrowser()

displayEndOfDemoMessage(filename)

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updated 2 months ago

ROCout=roc(varargin) by Giuseppe Cardillo

compute a ROC curve (statistics, probability, curve)

ROCout=roc(varargin)

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updated 3 months ago

Triangle/Ray Intersection by Jaroslaw Tuszynski

Fast vectorized triangle/ray intersection algorithm (computer graphics, intersection, ray)

TriangleRayIntersection

Tutorial and tests of TriangleRayIntersection function

PointInsideVolume(point, faces, vertices)

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updated 3 months ago

G1 fitting with clothoids by Enrico Bertolazzi

Fits two points with assigned directions with a single clothoid curve (curvefitting, clothoid, fresnel)

FresnelCS(y)

G1spline( PNTS, varargin )

G1splineMW( PNTS, varargin )

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updated 3 months ago

Support Vector Regression by Ronnie Clark

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

svr_trainer(xdata,ydata, c, epsilon, kernel, varargin)

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updated 3 months ago

Geometric measures in 2D/3D images by David Legland

Measure of geometric parameters in 2D or 3D images (surface area, perimeter, Euler Number...) (image analysis, particle analysis, region properties)

angle3Points(varargin)

angle3d(varargin)

anglePoints3d(varargin)

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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)

[radInterpFilt]=generateRadialFilterLBP(p, r)

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updated 3 months ago

octree - partitioning 3D points into spatial subvolumes by Sven

OcTree recursively splits a large set of points into smaller subvolumes. A QuadTree but in 3D. (stl, space, volume)

OcTree

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updated 4 months ago

Peak Fitter by Tom O'Haver

Command-line peak fitter for time-series signals. Version 5.7, September, 2014 (chemistry, curve fitting, decomposition)

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

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updated 4 months ago

ICP Registration using Efficient Variants and Multi-Resolution Scheme by Tolga Birdal

A fast, robust ICP, which is designed to work in hard scenarios e.g. clutter or bad initializations (iterative closest poi..., icp, registration)

M=get_transform_mat(par)

[Pose]=icp_mod_point_plane_pyr(SrcPC, SrcN, DstPC, DstN, ...

[SrcSample, SrcSampleNormals]=sample_pc_uniform(Src, Norm...

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updated 4 months 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 4 months ago

Advanced hline and vline by Hoi Wong

Draws horizontal/vertical lines in graphs. Accept axes handle and allows user to specify label posit (annotation, customization, horizontal line verti...)

hline(y, linePropertiesList, label, textPosition, textPro...

vline(x, linePropertiesList, label, textPosition, textPro...

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updated 4 months ago

Clustering via Voting Maximization by Costas Panagiotakis

Implementation of CVR and CVR-LMV [1-2] methods for clustering. (clustering, kmeans, partition)

Hungarian(Perf)

getAccuracy(GT,C)

getError.m

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updated 4 months ago

Diffeomorphic Log Demons Image Registration by Herve Lombaert

Simple matlab code for 2D and 3D image registration using the diffeomorphic log-demons algorithm (image processing, image registration, 2d)

compose(ax,ay,az, bx,by,bz)

demons

demons

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updated 4 months ago

PeakFinder by Nathanael Yoder

Quickly finds local maxima (peaks) or minima (valleys) in a noisy signal. (signal processing, maxima, minima)

peakfinder(x0, sel, thresh, extrema, include_endpoints)

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updated 5 months ago

FELICITY by Shawn Walker

Finite ELement Implementation and Computational Interface Tool for You (mathematics, finite element method, modeling)

Coarse_Square_Codim_1()

CompareFiles(File1,File2)

Convert_Interp_script_to_MEX(Main_Dir,Iscript,MEX_FileName)

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updated 5 months ago

Detect and Track Multiple Faces by Dima Lisin

Detect and track multiple faces from live video. (face detection, face tracking, viola jones)

MultiObjectTrackerKLT

detectAndTrackFaces.m

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updated 5 months ago

Tree data structure as a MATLAB class by Jean-Yves Tinevez

A per-value class that implements a generic tree data structure. (matlab, data structure, tree)

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updated 5 months ago

Correlation based dynamic time warping of multivariate time series by Janos Abonyi

Combines DTW and PCA based similarity measures. (dtw, pca, multivariate time ser...)

dtwpca.m

pcaresid.m

pcaseg.m

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updated 5 months 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 6 months ago

Curvature Estimationl On triangle mesh by Itzik Ben Shabat

Computes curvature and curvature derivative tensors in each vertex of a triangle meshes (curvature, mesh, computational geometr...)

GetCurvaturesAndDerivatives( FV,toggleDerivatives )

[FaceCMatrix,VertexCMatrix,Cmagnitude]=CalcCurvatureDeriv...

[FaceNormals]=CalcFaceNormals(FV)

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updated 6 months ago

Chebfun V4 by Chebfun Team

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

A greedy algorithm for choosing interpolation points

A keyhole contour integral

A parameter dependent ODE with breakpoints

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updated 6 months ago

Fast Bilateral Filter by Kunal Chaudhury

Fast O(1) implementation of the bilateral and the joint (or cross) bilateral filter. (bilateral filter, nonlinear diffusion, edgepreserving diffus...)

maxFilter(inImg , w)

shiftableBF(inImg, sigmaS, sigmaR, w, tol)

shiftable_jointBF(inImg, rangeImg, sigmaS, sigmaR, w, tol)

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updated 6 months ago

Ray casting for deformable triangular 3D meshes by Vipin Vijayan

Ray casting or collision detection for deformable triangular 3D meshes. (triangular mesh, ray casting, collision detection)

opcodemeshdemo()

read_ply2(fileName)

opcodemesh

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updated 6 months ago

Fast Loop mesh subdivision by Dylan Muir

Subdivide a surface mesh, using Loop subdivision. Boundary- and shape-maintaining (surface, mesh, triangulation)

...

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updated 7 months ago

A suite of minimal bounding objects by John D'Errico

Suite of tools to compute minimal bounding circles, rectangles, triangles, spheres, incircles, etc. (miminum, bound, bounding)

incircle(x,y)

insphere(xyz,tri)

minboundcircle(x,y,hullflag)

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updated 7 months ago

Histogram of Oriented Gradients (HOG) code using Matlab by Sanyam Garg

Matlab code computes the HOG feature vector for any given image. (object detection, histogram of oriented..., hog)

hog_feature_vector(im)

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updated 7 months ago

Deep Learning Toolbox by Rasmus Berg Palm

Deep Belief Nets, Stacked Autoencoders, Convolutional Neural Nets and more. With examples. (machine learning, deep learning, autoencoder)

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updated 8 months ago

interpmask - interpolate (tween) logical masks by Sven

interpmask interpolates (or tweens) masks to transition smoothly between shapes in masks (mask, interp1, interpolation)

interpmask( varargin )

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updated 8 months ago

Surface Reconstruction using Implicit B-Splines by Mohammad Rouhani

Using Implicit B-Splines for Surface Reconstruction out of 3D point clouds. (computer vision, cad, surface reconstructio...)

H=RegMatrix3D(N)

IBSLevelSurf(P,ch,step)

P=IBSL3_3DTRI(r,N,L,pnt,tri)

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updated 8 months ago

Surface Reconstruction using Implicit Polynomials by Mohammad Rouhani

Using Implicit Polynomials for Surface Reconstruction out of 3D point clouds. (computer vision, cad, surface reconstructio...)

LevelSurf(c,ch,step)

[c,M]=L3_3DTRI(r,deg,pnt, tri)

[f, fx,fy,fz,fxx,fxy,fxz,fyy,fyz,fzz,fc]=Poly(deg,c,x,y,z)

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updated 8 months ago

polyfitn by John D'Errico

Polynomial modeling in 1 or n dimensions (polyfit, modeling, regression)

polyfitn_demo

polydern(p,diffvar)

polyfitn(indepvar,depvar,modelterms)

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updated 8 months ago

SLM - Shape Language Modeling by John D'Errico

Least squares spline modeling using shape primitives (spline, splines, cubic)

slm_tutorial

hermite2slm(harray)

lse(A,b,C,d,solverflag,weights)

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