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updated 21 days ago

random_spheres(funct,startvalue,lb,ub,s,plot) by Dominik Ballreich

The Random Spheres Optimizer is a metaheuristic optimizer for constrained optimization (heuristic, metaheuristc, optimization)

random_spheres(funct,startvalue,lb,ub,s,plot)

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updated 21 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...

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updated 21 days ago

Simple example and generic function for SVM binary classifier by Soumya Banerjee

Simple generic function that takes two labelled classes and trains SVM classifier. (classification, machine learning, optimization)

svm_call

svm_classifier

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updated 22 days ago

Video Synopsis by Costas Panagiotakis

Video Synopsis - Key frames Selection based on a Distortion Minimization method (key frames detection, video, video processing)

HierarchicalAlg1(ind, D_all, b, DistortionOf3Alg, Distort...

HierarchicalAlg2(ind, D_all, b, DistortionOf3Alg, Distort...

TimeEquidistant(ind, D_all, b, DistortionOf3Alg, Distorti...

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updated 22 days ago

Graph Cut for image Segmentation by Amarjot

The code segments the grayscale image using graph cuts. (image processing, signal processing, segmentation)

graphcuts(I,pad,MAXVAL)

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updated 23 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

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updated 23 days ago

radialshadow by Jérémie Guignard

Finds the area visible in a straight line from a given point in a binary image with obstacles. (image processing, binary, image)

radialshadow(inputimg, viewpoint, varargin)

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updated 23 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)

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updated 23 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 24 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

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updated 24 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)

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updated 24 days ago

vebyk by Rolf Sidler

vebyk performs ordinary kriging and can be easily adapted to other kriging methods. (kriging, 2d, approximation)

buildbigc3(position,anisotropy,nu,range)

buildsmallc3(position,anisotropy,nu,range)

covcalc(lag,nu,a)

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updated 24 days ago

Radial Basis Function Network by Travis Wiens

Simulates and trains Gaussian and polyharmonic spline radial basis function networks. (radial basis function, rbf for suren, radial basis function...)

rbf_integral(Xc,X1,X2,k_i,basisfunction)

rbfn_integral(Xc,X1,X2,W,k_i,basisfunction)

sim_rbf(Xc,X,W,k_i,basisfunction)

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updated 25 days ago

sisoid/rank_code by Alexander Shishkin

MATLAB realization of rank metric error-correcting code (mathematics, communications)

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updated 25 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)

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updated 25 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)

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updated 25 days ago

SC - powerful image rendering by Oliver Woodford

Useful tool for rendering and outputting information rich images (colormap, render, color)

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updated 26 days ago

Weighted Iterative Truncated Mean Filter by Miao Zhenwei

WITM filters (image processing, signal processing, filter)

GWITM.m

LCWITM_filter.m

LCWITM.m

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updated 26 days ago

Iterative Trimmed and Truncated Mean Algorithm filter (ITTM filter) by Miao Zhenwei

ITTM filter for noise suppression and image processing. (image processing, signal processing, filter)

ITTM.m

ITTM_fix.m

ITTM_compile()

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updated 26 days ago

Fast Iterative Truncated Arithmetic Mean Filter (FITM filter) by Miao Zhenwei

ITM/FITM filter (image processing, signal processing, filtering)

ITM_fix.m

ITM.m

FITM.m

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updated 26 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)

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updated 26 days ago

Filtrado de Imagenes por Gauss-Seidel by Valeria

Programa para realizar el filtrado de una imagen utilizando el algoritmo Gauss-Seidel. (image processing, image filtering)

gauseidel.m

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updated 27 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)

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updated 28 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)

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updated 28 days 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)

evalSegmentation(segm,gt,roiMask)

visualize_segmentation(img,varargin)

demo_visualize_segmentation.m

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updated 1 month 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)

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updated 1 month 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)

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updated 1 month 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 1 month ago

Areal, volumetric and textural parameters from 2D and 3D images by Kateryna Artyushkova

GUI for calculating metrics from 2D and 3D images. (image processing, particle analysis, region properties)

imEuler3d.m

imEuler2d.m

Arealporosity(XX)

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updated 1 month ago

Ncorr - 2D Digital Image Correlation Software by 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...

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updated 1 month ago

Draw line through pixel at specific orientations by Baba Dash

Line draw at different directions in an image (image processing)

get_linewindow(theta,L)

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updated 1 month 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 1 month ago

Tupper's self-referential formula by Mineralter

solve the special N in Tuppers' formula, if the image provided. (math, image, interested)

bign(digitA,digitB)

digit_transfer(baseA,baseB,digitA)

bw_solve.m

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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

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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)

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updated 1 month ago

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

It contains the functions and a demonstration file to denoise 3D images. (image processing, 3d image, denoise)

CRP(M,dim)

Estimation(obs, tsigma, tau, M)

EstimationShift(obs, sigmahat, tau, M, step, parallel)

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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 )

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updated 1 month ago

Moivre by Orlando Rodríguez

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

moivre( n, z )

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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)

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updated 1 month ago

Making matrix to have constant for its determinant by Feng Cheng Chang

Making given matrix altered to have a certain constant for its determinant (mathematics)

mtx_d(A,D,d)

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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

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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

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updated 1 month ago

Bayesian Linear Regression by Soumya Banerjee

This is a set of MATLAB functions to do Bayesian linear regression (statistics, optimization, mathematics)

CALL_bayesian_regression

bayesian_regression

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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)

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updated 1 month ago

central_diff2(y,deltat,d,a) by Benjamin Strom

Finite difference approximation of any order derivative, any accuracy (interpolation, approximation, algorithm)

central_diff2(y,deltat,d,a)

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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)

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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

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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

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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)

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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)

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