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updated 3 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 18 hours 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)

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updated 22 hours 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)

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updated 1 day 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)

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updated 18 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 22 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)

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updated 22 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)

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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 27 days 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 29 days 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 29 days 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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updated 29 days 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)

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updated 29 days ago

Find values in a vector or function by Adrian Lara-Quintanilla

For a function y=f(x), this script looks for all the "x" values for a desired value of "y" (y0). (mathematics, data exploration, time series)

findvalues(vector,yvalue)

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updated 1 month ago

nasa/T-MATS by Jeffryes

Simulink Toolbox for the Modeling and Analysis of Thermodynamic Systems, such as gas turbines (simulation, simulink, example)

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updated 1 month ago

COSBOS: COlor-Sensor-Based Occupancy Sensing by Quan Wang

Occupancy distribution estimation for smart light delivery with perturbation-modulated light sensing (image processing, smart lighting, signal processing)

...

A=solve_A_0norm(X,Y)

A=solve_A_1norm(X,Y)

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updated 1 month ago

Calculo da Energia de um Imagem by Edmilson FIlho

Utilizando-se essa função poderá se calcular a energia de uma imagem (image processing, signal processing, energy)

energy.m

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updated 1 month 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 1 month ago

Gabor Wavelets 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 1 month 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)

CDT(ns,DatabasePath,ff,escImages)

Comparision()

Graphs()

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updated 1 month ago

Enhanced Binary Particle Swarm Optimization (BPSO) with 6 new transfer functions by Seyedali Mirjalili

An Enhanced binary Particle Swarm Optimization algorithm (VPSO) with v-shaped transfer functions (bpso, particle swarm optimi..., pso)

BPSO(noP,Max_iteration,BPSO_num,CostFunction,noV)

DrawConvergenceCurves(p,Max_iteration)

MyCost(x)

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updated 1 month 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 1 month 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)

Convergence of the Quasi-Optimal Kaczmarz algorithm.

Convergence of the regularized form of the Column-Kaczmar...

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

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updated 2 months 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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updated 5 months ago

Graphical User Interface for Solving Ordinary Differential Equations for In-Vitro Infection by Soumya Banerjee

A graphical user interface to solve a set of ordinary differential equations (in-vitro infection) (data import, data export, gui)

odesolver_outline

odecall_eclipse_tcl_jv_local(target,infected1,...

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updated 5 months ago

NulceiHomo.zip by Cheng Lu

hybrid morphological reconstruction for pre-processing of nuclei image (image processing, nuclei segmentation, signal processing)

IM_homo=LmakeHomoonRC(IM,bw,strSize)

test.m

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updated 5 months ago

An Efficient Median Filter by Arun Kumar

The median filter is used to reduce noise in an image (image filtering, image processing, filter)

pgm.m

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updated 5 months ago

RViewer by Tony Davis

Image Viewer with Interpolation on Zoom, Multiple Sync (image, display, interpolation)

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updated 5 months ago

fourierShapeDescriptor.zip by Weicheng Kuo

Fourier shape descriptors for simple binary region (tutorial, image processing, geometry)

B=fourierShapeDescriptor(A,r)

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updated 5 months ago

window.m by Aravazhi Anbarasu

Window Function for Signal Processing (signal processing, control design, image processing)

window(win_size,type)

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updated 5 months ago

Linear regression for multiple category data with different slopes for each by Soumya Banerjee

The function does OLS and RMA regression on data that is categorized into two different categories (aerospace, biotech, communications)

regress_plot_twocategories_allslope

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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 7 months ago

findpeaks2.m by Sudipta Das

Find all the peaks of a surface excluding NaN. (surface, mathematics, maximum)

[y,ind]=findpeaks2(P)

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updated 7 months ago

PID_fun.m by Aubai

An PID controller (matlab, mathematics, signal processing)

PID_fun(kp,kI,kD,Input,time,Compare)

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updated 7 months ago

Estimating a constant state using the Kalman Filter by Lazaros Moysis

Kalman Filter example for estimating a constant value (estimation, kalman, filter)

KalmanFilterExample.m

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updated 8 months ago

Active geometric shape models by Quan Wang

The active geometric shape model is a novel approach for fitting geometric shapes in images. (image processing, mathematics, optimization)

AGSM Canvas

DD=myspline(D,theta)

GI=gaussianBlur(I,s)

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updated 8 months ago

2D Fourier Transform of a cosine pulse using MATLAB inbuilt 2D FFT2 function. by Sathyanarayan Rao

Two dimensional cosine pulse and its Fourier transform is computed and visualized. (2d fft, 2d fourier transform, single sided frequenc...)

cosine_2d.m

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updated 9 months ago

Fast Gradient Vector Flow (GVF) by Quan Wang

This package implements the Gradient Vector Flow (GVF) in C++/MEX. (image processing, image segmentation, pattern recognition)

GI=gaussianBlur(I,s)

demo.m

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updated 10 months ago

Matrix Difuse Interpolation by David Pineda

Can correct some images with errors (image, interpolation, difuse)

M=interpolacion_matrix(V,x,y, b,c,p,q,factor, factor_inte...

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updated 10 months ago

polyfitZero by Mark Mikofski

Fit polynomial to data, forcing y-intercept to zero or arb. value and slope to zero or arb. value (mathematics, modeling, data exploration)

polyfitZero example

polyfitB(x,y,degree,b)

polyfitB0(x,y,degree,b)

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updated 10 months ago

Abel Inversion Algorithm by Carsten Killer

Fourier-based reconstruction of an unknown radial distribution assuming cylindrical symmetry. (image processing, signal processing, physics)

abel_inversion(h,R,upf,plot_results,lsq_solve)

compute_expansion( X,upf,R )

generate_test_data(~)

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updated 10 months ago

Zero crossing finder by Aubai

This function is used to recognize the zero corssing of an input signal (mathematics, measurement, optimization)

Zeros_finding_Rowdata_final(y,x,f,tol)

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updated 11 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_example

newtonraphson(fun, x0, options)

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updated 11 months ago

Moving RMS Calculation by Aubai

mean-RMS mfile just like the Simulink block (signal processing, measurement, matlab)

mvrms_mfile_simulink(t,y,f1,figures)

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updated 11 months ago

HDL Coder Support Package for Xilinx Zynq-7000 Platform by MathWorks HDL Coder Team

Use HDL Coder to implement algorithms on Zynq-7000 SoC ZC702 Evaluation Kit (zynq, hwsw codesign, motor control)

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updated 11 months ago

Embedded Coder Support Package for Xilinx Zynq-7000 Platform by MathWorks Embedded Coder Team

Use Embedded Coder to implement algorithms on Zynq-7000 SoC ZC702 Evaluation Kit (zynq, hwsw codesign, motor control)

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updated 1 year ago

gapolyfitn by Richard Crozier

optimises the functional form of a multi-dimensional polynomial fit to model data (optimization, linear regression, modelling)

GenerateNewTerm(vars, maxPower, poly, maxLoops)

HasTerm(p1, p2, newTerm, vars)

PolyFitScore(polyVec, polyStruct)

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updated 1 year ago

Multidimensional path-generator by Erwin Torreao Dassen

This script is a general purpose multidimensional path generator algorithm. (control design, optimization, measurement)

pathGenerator.m

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updated 1 year ago

Optimally Oriented Flux (OOF) for 3D Curvilinear Structure Detection by Max W.K. Law

Optimally Oriented Flux curvilinear structure descriptor (image processing, signal processing, curvilinear)

eigenvaluefield33( a11, a12, a13, a22, a23, a33)

oof3response(image, radii, options)

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updated 1 year ago

Reading sorting csv special files by Aubai

Use this file to read csv files with semicolon ';' (signal processing, statistics, measurement)

csv_read(folder,filetype,delimiter,headerlinesIn)

csv_read1(folder,filetype,delimiter,Loops)

Test.m

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updated 1 year ago

Group Object Structure and State Estimation with Evolving Networks and Monte Carlo Methods by Lyudmila Mihaylova

Matlab code (aerospace, automotive, communications)

PF_MCMC_MH(xParticle_pf,xParticlePrec,meas_vec_k,sensors,...

PF_prediction(xParticle_pf, type_model)

PF_weights(particlePred_pf,meas,sensors,meas_type)

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