Fourier series of real signals by yoash levron

This function computes the fourier series of a signal (signal processing, mathematics)

construct_harmonic_signal( freq,amp,phase,dc,t )

fourier_series_real( t,x )

fourier_series_real_example.m

Fit 2D Gaussian with Optimization Toolbox by Nathan Orloff

Fit a 2D rotated gaussian. http://en.wikipedia.org/wiki/Gaussian_function (image processing, optimization, signal processing)

fmgaussfit(xx,yy,zz)

Filter Characteristics by Abdelmonem Dekhil

Getting of filter characteristics using Matlab. (signal processing, simulation, system identification)

filter_plot(a,b,tabtast,nfreq)

Filter Plot by Abdelmonem Dekhil

Plotting of the zeros and poles of a digital filter. (signal processing, simulation, modeling)

zp_plot(option,a,b);

Circle detector by Morisson C

Fast circle detection via linear (matched filter) transform (image processing, signal processing)

circ_ht(img,rmin,rmax,sens,num)

demo.m

Comparison of Alamouti & MRC Schemes over Rayleigh Channel by Sourav Mondal

This code gives a relative comparison of performance of Alamouti & MRC schemes over Rayleigh channel (communications, control design, data export)

alamouti_new(M, frmLen, numPackets, EbNo)

mrc_new(M, frmLen, numPackets, EbNo)

alamouti_mrc_RUN_new.m

Huffman Encoder by Jamil Kasan

Input-number of occurrences or probabilities in a row matrix form Output-avelength,codewords,probab (huffman, encoder, huffman encoder)

huffmankasan.m

huffmancode.m

Non-local Means (NLM) denoising for time series, applied to ECG by Brian Tracey

NLM denoising, popular in image processing, is here used for denoising time series data (ECG). (signal processing, nonlocal means, nlm)

NLM_1dDarbon(signal,lambda,P,PatchHW)

createSignalPlusNoise(signal,targetSNR_dB)

exampleEcgRuns.m

Shannon-fano encoder by Jamil Kasan

a shannonfano encoder with a row matrix input of occurrences/probab and outputs codewords&avelength (shannon, fano, shannon fano)

sfencoderkasan.m

sfencoder.m

Bjontegaard metric calculation (BD-PSNR) by Serge

Bjontegaard metric allows to compute the average distance between two RD-curves (psnr, bjontegaard, bdpsnr)

bjontegaard2(R1,PSNR1,R2,PSNR2,mode)

3D Surface Plot For Data Visualization by Yehonatan Peleg

Easy to use function for 3d surface plotting of sample data. (3d, 3d surface, 3d plot)

vecsurf(varargin)

vecsurf_testmain.m

iSignal 2.8 by Tom O'Haver

Interactive smoothing, differentiation, peak sharpening and measurement of time-series signals. (signal processing, data import, chemistry)

pY=isignal(DataMatrix,xcenter,xrange,sm,sw,em,dm,rm,s1,s2,s...

IMComp-Image Compression Software by Saurabh Aggarwal

IMComp is an Image Compression tool useful for compressing digital JPG images. (image processing, signal processing, optimization)

IMComp(varargin)

imagecompression.m

Interpolant/Extrapolant by Mohammad Abouali

Creates Interpolant/Extrapolant for efficient mapping of data between 2D grids. (interpolationextrapol..., interpolation, extrapolation)

P=ConstructInterpolator(xs,ys,xd,yd,nPoly,nInterp)

Test_StructuredGrid.m

Test_UnstructuredGrid.m

Histogram distances by Boris Schauerte

Implementation of some commonly used histogram distances (compatible with the pdist interface) (image processing, signal processing, statistics)

d=chi_square_statistics(XI,XJ)

d=histogram_intersection(XI,XJ)

d=jeffrey_divergence(XI,XJ)

Blend Color by Giacomo Alessandroni

BLENDCOLOR - Blend two colours specifying the fractional position (color, interpolation, image processing)

blendcolor(from, to, pos)

Fast 2D peak finder by natan

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

[cent, varargout]=FastPeakFind(d, threshold, filt ,edg, fid...

cofficients of fourier series by davood shaghaghi

This function is written to calculate the cofficients of fourier series. (control design, mathematics, image processing)

[]=fs(x,T0,n,type)

Fast Kernel Density Estimator (Multivariate) by Matej Kristan

A very fast multivariate bandwidth calculation for KDE that can even be calculated from a GMM. (kernel density estima..., gaussian mixture mode..., bandwidth)

applyForScaleTransformToPdf( pdf0, Mu, T )

applyInvScaleTransformToPdf( pdf0, Mu, T )

checkcompiledBWestimator()

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)

oof3response(image, radii, options)

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. (missing data, extrapolation, interpolation)

inpaintn(x,n,y0)

Function generator with CRO & Spectrum analyzer using GUI by SUMAN SAHA

Function generator with CRO & Spectrum analyzer using GUI (communications, gui, signal processing)

CROSPECTRUM2(action)

Noise variance estimation by Damien Garcia

EVAR estimates the noise variance from 1-D to N-D data (signal processing, statistics)

evar(y)

Second generation Vold-Kalman Order Filtering by Maarten van der Seijs

Filtering of non-stationary periodic components from signals using a multi-order Vold-Kalman Filter. (vkf, kalman, signal processing)

vkf(y,fs,f,p,bw,multiorder)

The carpetplot class by Matthias

Create carpet plots and cheater plots easily (plotting, carpet, carpet plot)

arrow(varargin)

h=hatchedline(xc,yc,linespec,theta,ar,spc,len,varargin)

Carpetplot Class Example Plots

eegplot by Ikaro Silva

Uses scattered data points to interpolate pixel values of a head image. (medical, eeg, interpolation)

[z,map]=eegplot(mag,ch,unorm,ch_disp,method,color_res)

Spline2D or Piecewise Continuous 2D Polynomials by Mark Mikofski

Fit a 2D function with piecewise continuous polynomials (data exploration, interpolation, mathematics)

splineFit2D(f,x,y,n,m,xb,yb,continuity,ngrid)

splineVal2D(pp,x,y,n,m,xb,yb)

examples

SELCTIVE RECURSIVE TEMPORAL FILTER for video denoising by debasish

Simple temporal filter for 3D video denoising based on motion estimation (video denoising, image processing, temporal filter)

recursive_temp(Y)

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)

Light Field Toolbox v0.1 by Donald Dansereau

A set of tools for working with light field (aka plenoptic) imagery in Matlab (light field, plenoptic, lytro)

...

...

...

Rekursive Erweiterte Fehlerquadrate-Identifikationsmethode by Abdelmonem Dekhil

Die Rekursive Erweiterte Fehlerquadrate-Identifikationsmethode dient zur Systemparameterschaetzung. (system identification, modeling, data exploration)

rels_systemidentification(y,u,na,nb)

iPeak: Interactive Peak Detector (Version 5.3) by Tom O'Haver

Keypress operated interactive peak detector function. (analytical chemistry, peak detection, instrumental analysis)

P=findpeaks(x,y,SlopeThreshold,AmpThreshold,smoothwidth,pea...

P=findpeaksnr(x,y,SlopeThreshold,AmpThreshold,smoothwidth,p...

P=findpeaksplot(x,y,SlopeThreshold,AmpThreshold,smoothwidth...

Calculation of CT MTF and NPS using the ACR accreditation phantom by Saul

This code enables measurements of CT MTF and NPS from images of an ACR accreditation phantom. (computed tomography, ct, modulation transfer f...)

SliceBrowser(varargin)

mtfcalc.m

npscalc.m