CellSort by Eran Mukamel

Toolbox for automated sorting of cellular calcium signals from optical imaging data. (independent component..., signal processing, image processing)

CellsortApplyFilter(fn, ica_segments, flims, movm, subtract...

CellsortChoosePCs(fn, mixedfilters)

CellsortFindspikes(ica_sig, thresh, dt, deconvtau, normaliz...

2D Bandwidth Estimator for KDE by Matej Kristan

2D kernel density estimator from weighted data. (statistics, signal processing, kernel density estima...)

col_sum( a )

cols(a)

conf2mahal(c, d)

Tapering of 2D matrices by Christian Jensen

Performs gradual tapering of matrices (image processing, signal processing, statistics)

mattaper(X,tf,w,s)

Sound file converter GUI by Christopher

The program converts MATLAB supported soundfiles with the use of GUI. (converter, gui, audioread)

ConverterPanel(varargin)

fast Fouriertransform by nitin chhabra

test input output (fft)

test_FFT(flag)

Brain Message v 1.0 to write secret messages into fMRI by Vanessa

Write secret messages in fMRI data to be uncovered with independent component analysis (fmri, ica, independent component...)

BrainMessage(message,outname)

Zernike radial polynomials via Kintner's method by Mohammed Sadeq Al-Rawi

Fast computation of Zernike radials (digital image process..., signal processing, simulation)

zernike_radial_polynomials_kintner(n, m, r)

Legendre wavelets by Hélio de Oliveira

installing Legendre wavelets in the MATLAB wavelet toolbox. (wavelet toolbox, signal processing, image processing)

legdinfo

legdwavf(wname)

Adaptive Track Engine by W. Owen Brimijoin

Determines what changes you should make to the signal during a psychoacoustic adaptive track. (psychoacoustics, adaptive track, experiment design)

adaptive_track_engine(answers,steps,n_reversals,rules)

operationOnTwoFields by Bastian Tietjen

A simple mathematical operation like subtracting on two 2d fields with multiple scalar values. (interpolation, field data, vector field)

fieldDataComparison(operator, interpolationMethod, numOfVel...

operationOnTwoFields(fieldOne, fieldTwo, operator, varargin)

Lloyd max quantizer,plots,mse by Kushagra Singhal

Lloyd max quantizer,plots,mse (lloyd max quantizer, loyd max, mse)

cent( mint,mfin,sig,k,levels )

mew( min,max )

LMAX.m

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)

varargout=findvalues(vector,yvalue)

Hierarchical RGB IMage Compression with GUI by Amarjot

The code performs Hierarchical image Compression on RGB image and presents the results with a GUI (image processing, signal processing, communications)

V=downSample (Val)

V=upSample(Val)

[s1,s2,s3]=jpeg(sBmp,quality,showDetail)

Image segmentation using Marr Hilderth Filter by Amarjot

The code compute the edge map of a grayscale image using Marr Hilderth Filter (image processing, signal processing)

[Ioutput]=zerocrossing(Izerosmooth)

filtering(I1)

marrfilter(I)

Contemporary Communications Systems Matlab Files by Omar Ruiz

Matlab Files in this book (signal processing, simulink, simulation)

[M,m,df]=fftseq(m,ts,df)

[Rx]=Rx_est(X,M)

[X]=gaus_mar(X0,rho,N)

Canny Edge Detector by Amarjot

The code computes the edge map for a grayscale image using canny detector (image processing, signal processing)

[Ie1]=gradingedges(Ie,Tl,Th)

[Ifinal]=connectingedge(Ie1,Th,Tl)

[Isup]=nonmaximalsupression(I,theta)

fspline.m by Mark Holmes

clamped (or fixed) cubic spline at equally spaced data points (mathematics, data exploration, interpolation)

fspline(xd,yd,dyd,x)

Date Vector or Serial Date Number to ISO 8601 Date String by Stephen Cobeldick

Convert a Date Vector/Number to an ISO 8601 Date String. Tokens control the date/time notation. (date, timestamp, datevec)

datestr8601(DtV,varargin)

ISO 8601 Date String to Serial Date Number by Stephen Cobeldick

Convert an ISO 8601 Date String to a Serial Date Number. Autodetect or select timestamp style. (calendar date, date, datenum)

datenum8601(str,tok)

BER of M-QAM over Rayleigh channel by Sourav Mondal

This program gives simulated results of BER over Rayleigh fading channel. (communications, data import, data export)

QAM_rayleigh(M, EbNodB)

qam_run.m

N-Dimensional Trapezoidal integral by Mohammed Sadeq Al-Rawi

See title. (communications, biotech, image processing)

trapezoidal_rule_nd_integral(x, mat, N)

3D Trapezoidal Rule by Mohammed Sadeq Al-Rawi

This program can be used to find any triple integral, even if one has some empirical data. (mathematics, simulation, image processing)

trapezoidal_rule_triple_integral(x, y, z, mat)

2D trapezoidal rule by Mohammed Sadeq Al-Rawi

Calculates a double integral using trapezoidal rule. (optimization, double integral, signal processing)

trapezoidal_rule_double_integral(x, y, mat)

Software for hyper-spectral data pre-processing by Gianluca

The software offers a user-friendly tool (based on two GUIs) for pre-processing reflectance spectra (data export, signal processing, data import)

[L_onda,S_norm]=convex_hull_spectra(choise_asdtype,FileName...

[dati]=read_asd_v2(FileName,FilePath)

call_ch_removal(varargin)

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)

RGB Image Compression by Amarjot

The code computes the spatial compression on R G B components for a RGB image. (image processing, signal processing, communications)

DCTcompressioncroma(cb)

DCTcompressionluma(Y)

[d,c]=runenc(x);

nspline.m by Mark Holmes

natural cubic spline at equally spaced nodes (mathematics, data exploration, interpolation)

nspline(xd,yd,x)

Traffic Warning Sign Recognition Matlab Code by Muhammad Ammad

Traffic Warning Sign Recognition Matlab Code using matlab demo from the matlab 7.5 in video processc (blob analysis, detection, recognition)

main

x=blobAnalysis(a)

Yield.avi

Nadaraya-Watson smoothing by Jan Motl

A non-parametrical regression (smoothing) tool using Gaussian kernel. (estimation, parameterless, smooth)

[smoothed score h]=smoothing(ydata,varargin)

Bias removal- and integration tool for continuous wave EPR data by Jan

This function will remove any bias and integrate a CW EPR sweep curve, together with a plot. (interpolation, measurement, integration)

[Y,A]=SubtractIntegrate(x,y,interpolation_points,varargin)

Filter noise and interpolate microscopy images in frequency domain by Shalin Mehta

Remove spatial frequencies beyond the optical cutoff and perform physically accurate interpolation. (microscopy, filtering, interpolation)

[out,outscale]=opticalLowpassInterpolation(in,inscale,fcut,...

y=jinc(r)

TestBench_opticalLowpassInterpolation_Airy.m

Frequency domain filtering for grayscale images by Mohamed Athiq

Simple Matlab implementation of frequency domain filters on grayscale images (image processing, mathematics, signal processing)

bhp(im,thresh,n)

blpf(im,thresh,n)

ghp(im,thresh)

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)

distance2curve by John D'Errico

Find the closest point on a (n-dimensional) curve to any given point or set of points (arclength, interpolant, distance)

distance2curve(curvexy,mapxy,interpmethod)

MB OFDM Transmission by Krishna Balan

Matlab code which implements MB-OFDM transmission block as per ECMA 368 standard. (mbofdm, ofdm, communications)

convEncode(inputBitVector)

cyclicIntrlv(inputBits,shift,bitsPerSymbol)

mapCarriers(symbolVector)

xy2sn by Juernjakob Dugge

Transform cartesian to curvilinear orthogonal coordinates, e.g. a flow-oriented coordinate system. (coordinate transforma..., earth science, interpolation)

sn2xy( s, n, centerlinex, centerliney )

xy2sn( x, y, centerlinex, centerliney )

Morlet Wavelet Kernel by Marcelo Cicconet

2D real and imaginary Morlet wavelet kernels (morlet, gabor, wavelet)

morlet(scale,orientation,npeaks)

Improved Distance Evaluation (IDE) by Behrad Bagheri

This method could be implemented for feature selection in classification problems. (feature selection, signal processing, classification)

[scores indices selected duration]=IDE2(data,classes,thresh...

Kernel PCA and Pre-Image Reconstruction by Quan Wang

standard PCA, Gaussian kernel PCA, polynomial kernel PCA, pre-image reconstruction (signal processing, large data, dimension reduction)

K=kernel(X,type,para)

Y=PCA(X,d)

[Y, eigVector, para]=kPCA(X,d,type,para)

Time Logger for Stateflow by Roni Peer

This function will log the time each state was active during simulation. (stateflow, time, logging)

Stateflow_Time_Logger(mdlName)

example_sf_car

example_sf_yoyo

Homomorphic filtering by Mohamed Athiq

Matlab implementation of Homomorphic filetring using a gaussian high pass filter (image processing, mathematics, signal processing)

homomorph(im,lowg,highg)

homomorphfilter.m

Computes the Total Harmonic Distortion (THD) of a signal by yoash levron

Useful in power systems and audio systems (power, audio, measurement)

compute_THD( t,x, freq )

compute_THD_example.m

Align two time-stamped data streams in time by Qi An

Align two time-stamped data streams in time (align, time, data stream)

timealign(t1,t2,u1,u2,res)

Peak Fitter by Tom O'Haver

Command-line peak fitter for time-series signals. Version 3.6: February, 2013. (statistics, signal processing, decomposition)

[FitResults,LowestError,BestStart,xi,yi,BootResults]=peakfi...

Block Division using cell by Suraj Kamya

Using cell data type one can effectively breaks the 2D/3D data in to required no. of blocks. (blocks, image, cell)

I=recom_blocks(B)

[B]=blocks(image)

Background correction by Vincent Mazet

Compute an estimation of the background (aka baseline) in chemical spectra. (signal processing, chemistry, gui)

backcor(n,y,ord,s,fct)

demo.m

Get harmoniques of a real signal by Azzi Abdelmalek

Given the signal x(t), the function find a0, ak, bk the amplitudes of cos and sin waves. (harmonics, ak, ck)

[wc,w0,a0,ak,bk,c0,ck]=get_harmonics(y,pas)

get_harmonics_demo.m

OSCAR by Jerome Degallaix

An optical FFT code to simulate Fabry Perot cavities with arbitrary mirror profiles (fft, optical simulation, chemistry)

HermitePolynomial(n, x)

LGcoefficient(mat, p, l, lambda, w, curv, gridsize)

LaguerrePolynomial(p, l, x)

Image filter by spatial correlation by Carlos Estrada Chávez

A novel denoising filter that uses a spatial correlation measure between colors. (spatial correlation, autocalibrated filter, denoising filter)

Iout=scorfilt(I)

GUI for Convolution by Shahid Ali Murtza

This gui includes convolution in both continuous and discrete time domains . (convolution, signal processing, gui)

Sig_Project(varargin)

Sig_Project_Disc(varargin)

[y m]=convolution_(x,nx,h,nh)