image thumbnail

updated 13 hours ago

ReadPhilipsScanPhysLog(filename, channels, skipprep) by Paul Groot

ReadPhilipsScanPhysLog.m reads Philips scanphyslog files, which are created by Philips MRI scanners. (mri, philips, physiological)

ReadPhilipsScanPhysLog(filename, channels, skipprep)

image thumbnail

updated 1 day ago

Chebfun by Chebfun Team

Chebfun is an open-source package for numerical computation with functions to 15-digit accuracy (approximation, interpolation, quadrature)

image thumbnail

updated 3 days ago

Image isophotes by Vahid K. Alilou

The function extracts isophotes from an arbitrary image (image processing)

isophote( L, alpha )

main.m

image thumbnail

updated 4 days ago

ImGRAFT by Aslak Grinsted

An Image Georectification and Feature Tracking toolbox (r2014b graphics ready, template matching, georectification)

image thumbnail

updated 4 days ago

Marginal distributions of a bivariate function by Shoaibur Rahman

This function computes the marginal distributions of each variable in a bivariate function. (probability, computer vision, statistics)

marginaldist(f,x,y,distributionType)

testFunction(x,y)

image thumbnail

updated 4 days ago

Greedy Algorithms and Greedy Analysis Pursuit for Non-linear sparse recovery by Kavya Gupta

Modifications to Greedy Algorithms and Greedy Analysis Pursuit(GAP) for non-Linear sparse Recovery. (algorithm, matlab, optimization)

COSAMPEN(y,A,myfun,N,k)

COSAMPLN(y,A,myfun,N,k)

Grad(fun, x0, deltaFactor)

image thumbnail

updated 5 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)

image thumbnail

updated 5 days ago

Multi-exposure and Multi-focus Image Fusion in Gradient Domain by Sujoy Paul

An algorithm for fusion of a stack of multi-exposure and multi-focus images (image processing, image fusion, multiexposure)

ReconstructGradient.m

ChannelNorm(I,r)

GradientFusion(I)

image thumbnail

updated 5 days ago

Load Leica LIF File by Ron Hoebe

Load Leica LIF File (data import, 3d, 2d)

ci_loadLif(filename, getonlynumberofelements, number)

image thumbnail

updated 6 days 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)

image thumbnail

updated 6 days ago

readmpo by Zohar Bar-Yehuda

Reads multiple JPEG images stored in an MPO file (mpo, image, file format)

readmpo(filename)

image thumbnail

updated 7 days ago

Tutorial and Toolbox on real-time optical flow by Stefan Karlsson

Code with visualization and excercises. Camera supported (computer vision, optical flow, image processing)

ApertureIllustration(type)

DoEdgeStrength(dx, dy,tInt,edgeIm)

DoEdgeStrength(dx, dy,tInt,edgeIm)

image thumbnail

updated 9 days ago

Find the center of gravity of an array by Noam Greenboim

COG returns the coordinates of the center of gravity, in each dimension. (cog, center of gravity, center of area)

COG(A, varargin)

image thumbnail

updated 10 days ago

mask2poly(mask) by Kesh Ikuma

Convert mask to region-of-interest polygons (image, region of interest)

mask2poly(mask)

image thumbnail

updated 11 days ago

Fast, robust and exact minimum bounding spheres by Anton Semechko

Compute exact minimum bounding spheres in 3D or approximate bounding spheres in higher dimensions (optimization, geometry, sphere)

ApproxMinBoundSphereND.m

ExactMinBoundSphere3D(X)

FitSphere2Points(X)

image thumbnail

updated 12 days ago

getVideoFrames(vid, startt, endt, step, savetodir) by Dongxi Zheng

Extract frames from a video at custom start, step, and stop times. (video processing, image)

getVideoFrames(vid, startt, endt, step, savetodir)

image thumbnail

updated 14 days ago

clickz by Chad Greene

Easily get z values of pcolor or image plots from mouse clicks. (pcolor, image, imagesc)

clickz(varargin)

clickz documentation

image thumbnail

updated 14 days ago

BOBYQA algorithm by Ulrich Römer

M.J.D. Powell's BOBYQA algorithm using a mexfunction created with dlib's C++ implementation (optimization, bobyqa, powell)

bobyqa(sObjFunName, vX_opt, vX_l, vX_u, svOptions)

image thumbnail

updated 14 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

image thumbnail

updated 17 days ago

SaivDr Package by Shogo Muramatsu

System object definitions for sparsity-aware image and volume data restoration (image processing, nsolt, ista)

fcn_ksvdsdiclrn(params)

mytest(testCaseStr)

saivdr.dictionary.nsolt.mexsrcs.fcn_AtomConcatenationHori...

image thumbnail

updated 18 days ago

A Comparison of Evolutionary Computation Techniques for IIR Model Identification by 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 19 days ago

Plane fit by Adrien Leygue

Fits a plane to a set of data points by minimizing the normal quadratic distance (mathematics, optimization, data exploration)

affine_fit(X)

demo.m

image thumbnail

updated 19 days ago

Symbolic Polynomial Manipulation by John D'Errico

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

adjoint(A)

consolidator(x,y,aggregation_mode,tol)

gaussquadrule(n,class,alpha,beta)

image thumbnail

updated 19 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)

image thumbnail

updated 20 days ago

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

image thumbnail

updated 20 days ago

nrrdWriter(filename, matrix, pixelspacing, origin, encoding) by mdcacio

This function writes imagery and metadata to .nrrd or .nhdr medical imaging format files. (image processing)

nrrdWriter(filename, matrix, pixelspacing, origin, encoding)

image thumbnail

updated 20 days ago

Rotate images with automatic cropping by David Young

The blank triangles that appear in the corners of rotated images are cropped away. (image processing, rotate image, crop image)

checkattributes(a, classes, attributes)

imRotateCrop(im, theta, varargin)

image thumbnail

updated 21 days ago

Dynamical Systems with Applications using MATLAB 2e by Stephen Lynch

MATLAB, Simulink and MuPAD files to accompany the second edition of the book. (binary oscillator com..., fractals, differential equation...)

Program_6c(~)

Programs_13c(~,x)

Programs_15f(t,x)

image thumbnail

updated 22 days ago

Weighted Iterative Truncated Mean Filter by Miao Zhenwei

WITM filters (image processing, signal processing, filter)

GWITM.m

LCWITM_filter.m

LCWITM.m

image thumbnail

updated 22 days ago

Guaranteed Automatic Integration Library by 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 23 days ago

System Identification using GA with a GUI interface by Wesam Elshamy

Idnetifying ARX model of a system using Genetic Algorithms with a GUI interface and compare it to Le (optimization, system identification, ga)

arx2(y, u, na, nb, nk, error, pop, mutation, no_of_genera...

fitness(gene)

genalg(error, population_size, mutation, no_of_generations)

image thumbnail

updated 23 days ago

ILU(k) Preconditioner by Killian Miller

Computes an ILU factorization with fill level k for general sparse matrices. (differential equation..., linear algebra, ilu)

iluk(A, lfil, Lvl)

image thumbnail

updated 26 days ago

Mutual Information of Two Images by Mohammad Haghighat

Normalized mutual information (MI) between histograms of two images (image processing, signal processing, video processing)

mutualInfo(ima,imb)

image thumbnail

updated 26 days ago

Convert YUV Videos into Image Matrices by Mohammad Haghighat

Extract Y, U and V components of a YUV 4:2:0 video (video, video processing, video codec)

yuvRead(vid,width,height,nFrame)

image thumbnail

updated 26 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 )

image thumbnail

updated 28 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)

image thumbnail

updated 1 month ago

Pseudo B-Mode Ultrasound Image Simulator by Debdoot Sheet

Simulate pseudo B-mode ultrasonic images with customized tissue echogenicity maps (image processing, signal processing, medical)

fcnPseudoBmodeUltrasoundSimulator.m

image thumbnail

updated 1 month ago

Brightness Preserving Dynamic Fuzzy Histogram Equalization by Debdoot Sheet

BPDFHE employs fuzzy statistics of digital image to improve graylevel brightness preserved contrast (image enhancement, fuzzy statistics, histogram equalizatio...)

fcnBPDFHE(inputImage, fuzzyMembershipType, parameters)

image thumbnail

updated 1 month ago

image2data.m by Orlando Rodríguez

Convert a bitmap image to numerical data. (bitmap, data conversion, image processing)

image2data( thecolorbar, thefigure, z )

image thumbnail

updated 1 month ago

Moivre by Orlando Rodríguez

Moivre's formula (roots of complex numb..., mathematics, multidimensional)

moivre( n, z )

image thumbnail

updated 1 month ago

shiftsurf.m by Orlando Rodríguez

Shifts a 2D surface to the desired position. (image processing)

shiftsurf(x,y,s,DX,DY)

image thumbnail

updated 1 month ago

find_components by Tim Davis

finds the connected components of an image (morphology, segmentation, image)

find_components

find_components_example(example, dopause)

largest_component

image thumbnail

updated 1 month ago

Gaussian Elimination Example (with partial pivoting): GEE, it's simple! by Tim Davis

A set of simple functions that illustrate Gaussian Elimination with partial pivoting (gaussian elimination, partial pivoting, linear algebra)

gee_its_short

gee_its_simple

gee_its_simple_backsolve

image thumbnail

updated 1 month ago

Fitting complex analytic laws to data by means of Genetic Algorithms by Lorenzo Luini

The script allows to easily fit predefined complex analytical laws using Genetic Algorithms (analytical laws, fit, genetic algorithms)

FitLaw_GA(X,y,fh,Int,LB,UB)

image thumbnail

updated 1 month ago

Evolution Strategies (ES) by 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 1 month ago

1+1 Evolution Strategy (ES) by Gilberto A. Ortiz

1+1-ES. The simplest ES. Read comments in the file for a deeper explanation and bibliography (evolution strategies, optimization)

evolution_strategy_1p1(f, xkm1, sigma, ite, obj)

example1.m

image thumbnail

updated 1 month ago

Zernike Moments by Amir Tahmasbi

MATLAB Code for the Fast Calculation of Zernike Moments of order n and repetition m on NxN images. (image processing, physics, mathematics)

Zernikmoment(p,n,m)

radialpoly(r,n,m)

Zernike_main.m

image thumbnail

updated 1 month 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)

image thumbnail

updated 1 month ago

Frequency-Domain Min-Max Optimization for Delta-Sigma Modulators by Masaaki Nagahara

Matlab codes are provided for min-max optimization for loop-filter design in delta-sigma modulators. (delta sigma, optimization, signal processing)

NTF_MINMAX(order, OSR, H_inf, f0, zf)

NTF_MINMAX_MB(order, OSR, H_inf, f, zf)

image thumbnail

updated 1 month ago

H-infinity optimal fractional delay filter by Masaaki Nagahara

A code for designing H-infinity optimal fractional delay filters (fractional delay, fractional delay filt..., signal processing)

fdf_hinf(F, D, T)

Contact us