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updated 5 hours 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 13 hours ago

Mutual_Information && joint_entropy by Amir Pasha Mahmoudzadeh

Takes two images and return the mutual information and joint entropy (image processing, interpolation, registration)

[Mutual_Information,joint_entropy]=MutualInformation(x,y)

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updated 14 hours ago

Visualization of multi-modal volume segmentation by Pavel Dvorak

Visualize single- or multi-modal 2D or 3D images and corresponding segmentation (image processing, 3d, image)

visualize_segmentation.m

[Jaccard,Dice,Tanimoto,Accuracy,tpr,tnr,fpr,fnr,tp,tn,fp,...

demo_visualize_segmentation.m

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updated 24 hours ago

DavidMercier/NIMS by David MERCIER

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

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updated 24 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 1 day ago

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

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updated 2 days ago

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

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

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updated 2 days ago

imdisp (enhanced version) by Yi Sui

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

addRoiToolbar(fig)

draggable(h,varargin)

enableWL(fh)

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updated 3 days ago

Greedy Algorithms for Non-linear Sparse Recovery by Kavya Gupta

Modifications in OMP and COSAMP greedy Algorithms for Non-linear Sparse Recovery (signal processing, optimization, matlab)

Grad(fun, x0, deltaFactor)

x=OMPE(A,myfun,k)

x=OMPL(A,myfun,k)

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updated 3 days ago

Simple color detection by hue by Image Analyst

Detect colored regions in an image via thresholding in HSV color space. (color detection, color, image processing)

SimpleColorDetectionByHue()

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updated 3 days ago

POCShift by Jérémie Guignard

Estimates the translation between two noisy images with phase-only correlation. (image processing, image registration, noise)

POCShift(fixed, moving, varargin)

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updated 4 days ago

Rotate an image around a point by Jan Motl

Performs rotation of an image around any point inside of the image. (image processing, rotation, image)

output=rotateAround(image, pointY, pointX, angle, varargin)

rotateAround_test.m

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updated 4 days ago

geom2d by David Legland

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

InterX(L1,varargin)

angle2Points(varargin)

angle3Points(varargin)

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updated 4 days ago

gui2pdf by Robert Cumming

Create PDF from GUI - multiple images in single PDF (oop, gui, pdf)

gui2pdf

exampleGUI2PDF.m

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updated 6 days ago

Impulse Denoising using split Bregman approach by Hemant Kumar Aggarwal

Salt and pepper noise reduction using split-Bregman approach (optimization, image processing)

cpsnr=myPSNR(org,recon,skip)

denoised=FunSynthesisPrior(noisy,p,q,maxiter,lambda,mu1,m...

x=FunDenoiseTV(noisy,p,q,maxiter,lambda,mu1,mu2)

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updated 7 days ago

Imagine by Christian Wuerslin

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

fLiveWireGetPath.m

fLiveWireCalcP.m

ExpGray(iNBins)

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updated 7 days ago

Reflect Through a Cylindrical Mirror by Paul Kassebaum

Reflect points p through a cylinder of radius R with respect to a viewpoint v = [v_x, v_y, v_z] (3d printing, physics, art)

reflectThroughCylinder(R, v, p)

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updated 7 days ago

Bernsen local image thresholding by Jan Motl

Implementation of Bernsen's thresholding method. (image processing, local thresholding, binarization)

bernsen(image, varargin)

image=averagefilter(image, varargin)

maxfilt2(X,varargin)

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updated 7 days ago

Object Height and Width Measure by Anand g

Height and width pixel count of Object like hand (image processing, feature extraction, height and with featu...)

hand_height_width.m

test.m

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updated 7 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. (water tunnel, aerospace, flow)

nanmin.m

PIVlab_preproc.m

PIVlab_citing.m

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updated 7 days ago

cover_window( inp_img,w ) by Anand g

get the neighbor array from single pixel in the array (image processing, filter analysis, 3x3 window genration)

cover_window( inp_img,w )

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updated 8 days ago

Perceptually improved colormaps by Matteo Niccoli

6 perceptual colormaps with rainbow-like colors and 1 with heat colors (color, colormap, data)

pmkmp.m

examples1.m

examples.m

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updated 8 days 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)

tiffread29_header(filename)

tiffread29_readimage(TIF, HEADER, vnFrames)

TIFFStack

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updated 8 days ago

Image with non-square pixels by Jerome Briot

Display image object with non-square pixels (disks, hexagons, octagons, rhombus) (image, pixels, pixel)

imageWithNonSqrPix(X,shape,pattern,ax)

imageWithNonSqrPixDemo1

imageWithNonSqrPixDemo2

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updated 8 days ago

Spherical hough transform for 3D images by Luke Xie

SphericalHough detects spherical structures from 3D images - determines object center and radius (3d, image processing, image analysis)

TF=isint(A)

[args,workspaceVar]=readmrgui(varargin)

[center_img,sphere_img,sphcen,sphrad]=SphericalHough(img,...

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updated 9 days ago

gengamrand(n,Alpha, Beta, a) by Warda Syeda

Generating numbers from a generalized gamma distribution (statistics, mathematics)

gengamrand(n,Alpha, Beta, a)

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updated 9 days ago

Rapid Centroid Estimation by Mitchell Yuwono

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

RCE(in,k, varargin )

dist2memb(d_mx,m,type)

distmat(in,x,distance, P,M)

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updated 9 days ago

Multinomial Expansion by Isaac

Evaluate multinomial expansion and coefficients (multinomial, mathematics, statistics)

multinomial_expand(pow,ndim)

multinomial_powers_recursive(pow,ndim)

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updated 10 days ago

Image Enhancement by Dr.Varsha Turkar

image enhancement in spatial domain (brightness, image processing, contrast)

fil=conv_dynamic(w)

histogram_eq.m

contrast.m

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updated 10 days ago

quadgl by Zoltán Csáti

Vectorized Gauss-Legendre quadrature (integration)

quadgl_nonvec.m

quadgl.m

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updated 10 days ago

Chicken Swarm Optimization Algorithm (demo) by Xian-bing Meng

This is a new bio-inspired algorithm Chicken Swarm Optimization, proposed by Xian-bing(2014) (mathematics, optimization, matlab)

CSO.m

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updated 10 days ago

Regularization Kaczmarz Tools Version 1.1 for Matlab by Andrey Ivanov

Regularization Column version of Kaczmarz algorithmfor solving ill-posed systems (iterative projection ..., incorrect problems, regularized solution)

columnkaczmarz(A,b,K,x0,options)

qoptimalcolumnkaczmarz(A,b,K,x0,options)

qoptimalkaczmarz(A,b,K,x0,options)

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updated 11 days ago

ReadImageJROI(cstrFilenames) 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 11 days ago

approximate methods for Laplacian images by Zhulou Cao

Three approximate methods for Laplacian image were implemented (image processing, spectral clustering, laplacian eigenmaps)

EdgeLaplacian.m

SAD2D.m

RPtreeLaplacian.m

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updated 11 days ago

y=f1(a,b); by king brown

函数 (mathematics)

y=f1(a,b);

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updated 13 days ago

t_marigram by curoi

Tidal analysis (image processing, gui, physics)

f_crop_image(aa,AA,listname,tog)

f_determine_coords2(aa,AA,year,month,tog)

f_determine_hilo_coords2(aa,AA,currentid,tog);

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updated 15 days ago

Multiple Traveling Salesmen Problem - Genetic Algorithm, using multi-chromosome representation by András Király

Finds a (near) optimal solution to a modified MTSP by a GA, with additional constraints (optimization, genetic algorithm, multiple traveling sa...)

mtsp_ga_multi_ch(xy,dmat,salesmen,min_tour,max_tour,tw,po...

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updated 16 days ago

Option on zero-coupon bond via Levy HJM model by Mesias Alfeus

Levy Term structure, GH as a driver, Option on zero-bond values, Quadratic hedge ratio. (mathematics, finance, simulation)

[price, Hedge]=GH_Quadratic(PU,PT,U,T,K,sig,k,lambda,alph...

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updated 16 days ago

Roots for non-linear highly-transcendental equation. by sai kumar

it solves almost any given linear, non-linear, non-linear & highly-transcendental equations. (matlab, mathematics, function)

[F] =FCT(TOL)

code(a,b)

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updated 17 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)

DefaultDecimalBase(DBaseNew)

DefaultNumberOfDigits(NDig,varargin)

eulerGamma(NDig)

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updated 17 days ago

Phase unwrapping by accumulation of residual maps by Mariano Rivera

Implements the paper "Phase unwrapping by accumulation of residual maps," OLEN, 2015. (phase unwrapping, image processing, optimization)

computeWdata(phi, mu)

multigridUnwrapARM(Wrap, Mask, iW, jW, mu, lambda, niter,...

nestedMultigridUnwrapARM(Wrap,Mask,lambda,mu,niter,nuplevel)

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updated 19 days 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 19 days ago

Resize N-D arrays and images by Damien Garcia

Y = RESIZE(X,newsize) resizes input array X using a discrete cosine transform. (dct, image processing, resizing)

resize(x,newsiz)

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updated 19 days 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 19 days ago

Gravity-assist Trajectory Design and Analysis by David Eagle

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

atan3 (a, b)

eci2orb1 (mu, r, v)

fbhyper(mu, vinfi, vinfo, rp)

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updated 20 days ago

Mittag-Leffler random number generator by Guido Germano

Generates a matrix of Mittag-Leffler pseudo-random numbers (statistics, probability, random number generat...)

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updated 21 days ago

Monte Carlo example of a Multi Commodity Spot and Forward curves Simulator by Ahmos Sansom

Implementation of a commodity spot and Multi-Factor forward curve simulator for coupled markets (finance, mathematics, optimization)

CalibrateSpotModel.m

CalibrateFCModel(historicalForwardCurves, nFactors)

LnTestofSims(mySims, LastFC, volFN, Factors)

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updated 21 days ago

ReColorLines by Micke

reformats the color of the plotted lines in a figure using lines(7) (image processing, figure, hold on)

recolorlines.m

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updated 22 days ago

Automatic CreateMask by Amir Pasha Mahmoudzadeh

it basically binaries the biggest object of the image (image processing, pattern recognition, image segmentation)

CreateMask( YourImage )

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updated 22 days ago

Wavelet based Image Reconstruction from Gradient Data by E

A toolbox for reconstructing images from gradient data. (image processing, gradient, poisson solver)

Reflect.m

Ad_GWN(X,targetSNR,st)

CombineRGB(R,G,B)

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