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updated 10 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 3 days ago

Intravascular Near-Infrared Fluorescence (iNIRF) Imaging by Sam Nazari

MATLAB based matched filter is implemented for an iNIRF imaging method (detection, machine learning, signal processing)

[sigma,mu,A]=mygaussfit(x,y,h)

attenuationRadiusRegression(manualSelectFlag,polyFitN)

findOptimalWidth(onlyFirstN,showWhich,templateSignalStats)

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updated 4 days 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 (particle swarm optimi..., pso, binary particle swarm...)

DrawConvergenceCurves(p,Max_iteration)

MyCost(x)

[gBest,gBestScore,ConvergenceCurve]=BPSO(noP,Max_iteratio...

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updated 17 days ago

RViewer by Tony Davis

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

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updated 18 days 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 20 days 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 28 days ago

fulldiff.m by Timothy Jorris

Symbolically computes full derivative wrt time using chain rule and time variables. (symbolic math, full, derivative)

dout=fulldiff(varargin)

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updated 1 month ago

Chebfun V4 by Chebfun Team

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

absTest

ad_basic

ad_basic2

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updated 1 month ago

Peak Fitter by Tom O'Haver

Command-line peak fitter for time-series signals. Version 5.4, June, 2014 (chemistry, curve fitting, decomposition)

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

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updated 1 month 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 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 2 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 2 months 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)

Image_Projection(T,M,Eigenfaces )

PCA_Core(Tr,M,dimensions)

PCA_NEW(Tr,Ts,TrNum,TsNum,dimensions,sno)

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updated 3 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)

DD=myspline(D,theta)

GI=gaussianBlur(I,s)

R=correctCurve(r,sigma,iter)

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updated 3 months ago

Empirical Wavelet Transforms by Jerome Gilles

This toolbox proposes the original implementation of Empirical Wavelet Transforms (signal processing, image processing, mathematics)

Adaptive_Bounds_Adapt(f,params,fm)

AnglesLocalMax(f,N)

AnglesLocalMaxMin(f,N)

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updated 3 months ago

2-D Fast DOST Decompotion and Reconstruction by Yanwei Wang

This is the 2-D Fast DOST Decomposition and reconstruction. The computational complexity is O(NlnN) (image processing, signal processing, mathematics)

FOST_2D_DEC(S_input)

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updated 4 months 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 4 months ago

Normalize columns of matrix to unit lenght by Kamlesh Pawar

Usage : Takes 2D-matrix x and returns y such that each columns of y have unit length (signal processing, image processing, image analysis)

normalize_column(x)

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updated 4 months ago

EzyFit 2.42 by Frederic Moisy

A free curve fitting toolbox for Matlab (approximation, interpolation, curve)

[eqml,param]=eq2ml(eq,xvar)

delseldata

findword(inputstr,delim)

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updated 4 months ago

Feature Mutual Information (FMI) Image Fusion Metric by Mohammad Haghighat

A non-reference image fusion metric based on mutual information of image features (image fusion, metric, image fusion metric)

fmi(ima, imb, imf, feature, w)

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updated 4 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 5 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 5 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)

polyfitB(x,y,degree,b)

polyfitB0(x,y,degree,b)

polyfitBM(x,y,degree,b,m)

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updated 5 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 6 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 6 months ago

Easy 'n fast smoothing for 1-D to N-D data by Damien Garcia

SMOOTHN allows automatized and robust smoothing in arbitrary dimension w/wo missing values (image processing, signal processing, statistics)

smoothn(varargin)

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updated 6 months ago

Discrete Fourier Transform over Hexagonally Sampled Data by UJJWAL

Provided codes implement the DFT and IDFT for hexagonal lattices (signal processing, image processing)

hex_dft(signal_vec)

hex_idft(dft_vec)

map_spatial(hex_add)

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updated 6 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(fun, x0, options)

newtonraphson_example

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updated 6 months ago

Code for generating complex valued Noiselet matrix by Kamlesh Pawar

Code for generating complex valued Noiselet matrix (signal processing, image processing)

generate_noiselet_recur(n)

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updated 6 months ago

Code for generating Haar matrix by Kamlesh Pawar

Code for generating Haar matrix (signal processing, image processing, coding theory)

[Hr]=generate_haar(N)

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updated 6 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 6 months ago

Regularization Kaczmarz Tools Version 1.0 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)

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

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

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updated 7 months ago

Multi Spectral Demosaicing algorithms by Hemant Kumar Aggarwal

Implementation of two multispectral demosaicing algorithms. (image processing, signal processing)

X=myTrain(img)

Xestimated=BTESinterpolate(x)

[img raw umsf]=UMSF(img)

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updated 7 months ago

Diffusion gradient vector field in 3D by Khaled Khairy

Generate in 3D the diffusion gradient vector field as in Xu and Prince 1998 (image processing, signal processing, mathematics)

dgvf_calc(I, niter, miu, dt, dx, dy, dz)

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updated 7 months ago

Backtracking Search Optimization Algorithm by PINAR CIVICIOGLU

A new swarm-based global optimization algorithm for real valued numerical optimization problems. (optimization, signal processing, image processing)

FoxHoles(x,mydata)

[fname,fnc,low,up,dim]=setttingOfBenchmarkFnc(i)

ackley(x,mydata)

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updated 7 months 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 8 months ago

Non-Redundant Shift-Invariant Complex Wavelet Transform by Reshad Hosseini

2 m-file functions for applying complex wavelet and inverse complex wavelet transforms. (complex, wavelet, shiftinvariance)

[d,offset]=extensiontype(kin)

[yout,Sizes]=CWT_downcoef(x,levels,dim)

example

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updated 8 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 8 months ago

diffe by Marco Borges

euclidian differentiation (diff, differential equation..., gradient)

diffe(x,range)

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updated 9 months ago

Inpaint over missing data in 1-D, 2-D, 3-D,... N-D arrays by Damien Garcia

Y = INPAINTN(X) computes the missing data in the N-D array X. (inpaint, griddatan, interpolation)

inpaintn(x,n,y0,m)

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updated 9 months 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 9 months 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 10 months 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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updated 10 months ago

Image(or matrix) rotation and scaling function by Disi A

This function takes an image, scales it and rotates it by theta (radian, rigid motion) (image processing, mathematics, signal processing)

imTransform(img,dtheta,scale,interpMethod,padding)

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updated 10 months ago

Fast 2D peak finder by natan

Find local maxima \ peak positions in noisy 2D arrays (peakfind, peak, local maxima)

[cent, varargout]=FastPeakFind(d, thres, filt ,edg, res, ...

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updated 10 months ago

Droplet Video Proccessor - code 2 of 3 by Matthew Moynihan

This code takes a video of droplets made in a T-Junction and turns it into a sawtooth signal. (microfluidics, tjunction, emulsions)

BlackOut(Image, rect, BLKrect, val)

Sizer(videoBlock, dim, FilterStruct)

videoInput(vidObj)

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updated 10 months ago

Two dimensional window generator (2D window) by Disi A

This function creates a two-dimentional window that can be used for a matrix or image. (image processing, signal processing, mathematics)

w=window2(N,M,w_func)

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updated 10 months ago

Fresnel integral wrapper function by Disi A

This function computes the Fresnel integral for a given x value(vector). Default tolerance is 1e-6 (image processing, signal processing, mathematics)

[Cx,Sx]=fresnel_int(x,tol)

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updated 10 months ago

Locally Adaptive Kernel Density Estimation by Hideaki Shimazaki

Kernel density estimation with bandwidths locally adapted to data. (statistics, bandwidth, kernel)

sshist(x,N)

sskernel(x,tin,W)

ssvkernel(x,tin)

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updated 10 months ago

Droplet Video Proccessor - code 1 of 3 by Matthew Moynihan

This code processes video of droplet production and does statistics on each droplet made. (video processing, droplets, biotech)

BWSizerA(videoBlock, dim, fStruct)

BlackOut(Image, rect, BLKrect, val)

findFilterNumA(I, rect)

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