image thumbnail

updated 1 day ago

mmoerdijk/plotter by Mart

A small matlab program to easily load and plot your data (gui, signal processing, data import)

image thumbnail

updated 3 days ago

ffts(X,V,Xq,method,window) by Dirk-Jan Kroon

Fast Fourier Transform ( FFT ) of scattered data (signal processing, fft, bspline)

ffts(X,V,Xq,method,window)

image thumbnail

updated 3 days ago

Apply_hough(Img) by Ahmed

hough transform function (signal processing)

Apply_hough(Img)

image thumbnail

updated 5 days ago

OSCAR by Jerome Degallaix

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

HermitePolynomial(n, x)

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

LaguerrePolynomial(p, l, x)

image thumbnail

updated 5 days ago

ifilter: Interactive Fourier filter function, version 4.1 by Tom O'Haver

Keyboard-operated interactive Fourier filter function for time-series signals. (signal processing, communications, measurement)

ifilter(ix,iy,icenter,iwidth,ishape,imode,ifilt)

image thumbnail

updated 6 days ago

ReadPhilipsScanPhysLog(filename, channels, skipprep) by Paul Groot

ReadPhilipsScanPhysLog.m reads Philips scanphyslog files, which are created by Philips MRI scanners. (mri, philips, physiological)

ReadPhilipsScanPhysLog(filename, channels, skipprep)

image thumbnail

updated 7 days ago

Chebfun by Chebfun Team

Chebfun is an open-source package for numerical computation with functions to 15-digit accuracy (approximation, interpolation, quadrature)

image thumbnail

updated 7 days ago

Peak detection of a function by Shoaibur Rahman

This function detects the transition points (maxima and minima) in a function like y = f(x) (signal processing, image processing, filtering)

findpeaks(y,x,threshold,stepsize)

image thumbnail

updated 9 days ago

powersmooth by Benjamin Friedrich

Smooth noisy time-series faithfully, without distorting lower-order time-derivatives (signal processing, data exploration, approximation)

powersmooth(vec,order,weight)

demo_powersmooth.m

image thumbnail

updated 9 days ago

SPLINEFIT by Jonas Lundgren

Fit a spline to noisy data. (spline, splinefit, cubic spline)

ppdiff(pp,j)

ppint(pp,a,b)

splinefit(varargin)

image thumbnail

updated 9 days 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)

image thumbnail

updated 9 days ago

Fast Third Order Cross-Cumulant calculation by Brian

Performs a fast third order cross cumulant calculation between the three vectors (x,y,z). (signal processing, mathematics, statistics)

cum3xyz(x,y,z, nsamp, overlap,window)

image thumbnail

updated 10 days 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)

image thumbnail

updated 10 days ago

Three State land mobile satellite channel model by NAMA AJAY NAGENDRA

LMS channel (signal processing)

MarkovStateSeries

StateSeriesGenerator(sigma_duration,alpha_duration,xmin,g...

cdf(z)

image thumbnail

updated 10 days 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)

image thumbnail

updated 12 days ago

inpolygons by Kelly Kearney

Finds points inside multiple polygons, holes possible. (approximation, interpolation, polygon)

image thumbnail

updated 12 days ago

2D and 3D Remapping by Mohammad Abouali

Creates Remapper (Interpolant/Extrapolant) for efficient mapping of data on 2D and 3D grids. (interpolation, extrapolation, least square)

Construct_D_Eta(M,N,OpOrder)

Construct_D_Xi(M,N,OpOrder)

Construct_G_U_Eta(M,N,OpOrder)

image thumbnail

updated 16 days ago

LDA for high dimension small sample size data by Bilwaj Gaonkar

Linear discriminant analysis when the data dimensionality is high and sample size is much smaller (medical, image analysis, signal processing)

lda_kernelized.m

image thumbnail

updated 18 days ago

A Fully Automated Flowgraph Analysis Tool for MATLAB by Marko Neitola

A handy signal flow graph analysis tool for exploring transfer function(s) of a given system. (transfer function, signal flow graph, delta sigma)

find_soe(tfq,TFqs,numonly)

flow_tf(flwfilename)

flowdemo.m

image thumbnail

updated 19 days ago

ATSC: From RF to Video by Dick Benson

A set of models to process an ATSC RF signal and output an MPEG II video transport stream. (potw, pick of the week, atsc)

dspblkadpt_old(action)

example_sel2html(fn,new,Click_Sensed)

atsc.m

image thumbnail

updated 20 days ago

plotit(xi,yi,polyorder) by Tom O'Haver

Simple function for plotting and fitting x,y data to polynomials, with error estimation. (signal processing, statistics, plot)

plotit(xi,yi,polyorder)

image thumbnail

updated 23 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)

image thumbnail

updated 25 days ago

Multiclass SVM classifier by Tarek Lajnef

Train and perform multiclasses SVM classifier (classification, signal processing, dendrogram)

Classify_DSVM(test_data,label,svmstruct)

Train_DSVM(train_data,train_label)

image thumbnail

updated 25 days ago

Sparse blind source separation; Sparse component analysis;Modal identification; by ccc

It is an under-determined blind source separation method. (signal processing)

L1_norm_min.m

MAC_plot.m

SCA(X,L,d,e)

image thumbnail

updated 25 days ago

Dimensioned variable class - units support for MATLAB by Sky Sartorius

A new variable type allowing use of real-world units and dimensions with enforced unit consistency. (units, dimensioned, aerospace)

display.m

abs(v)

ceil(v)

image thumbnail

updated 25 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)

image thumbnail

updated 25 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)

image thumbnail

updated 25 days ago

Arbitrary Spectral Slope Noise Generation with Matlab Implementation by Hristo Zhivomirov

Arbitrary spectral slope ( f^alpha) noise generation via spectral processing of white noise. (noise, measurement, signal processing)

arbssnoise(N, a)

example.m

image thumbnail

updated 25 days ago

Pink, Red, Blue and Violet Noise Generation with Matlab Implementation by Hristo Zhivomirov

Pink, red, blue and violet noise generation via spectral processing of white noise. (noise, measurement, signal processing)

bluenoise(N)

pinknoise(N)

rednoise(N)

image thumbnail

updated 25 days ago

Generation of Audio Test Signals with Matlab Implementation by Hristo Zhivomirov

Generation of sine wave, square wave, chirp, sinc, white and pink noise via sound card. (measurement, signal processing)

AOChirp(f1, f2, fs, t, p, r)

AOPinkNoise(fs, t, p, r)

AOSawtoothWave(f0, fs, t, p, r)

image thumbnail

updated 25 days ago

Phase Difference Measurement with Matlab Implementation by Hristo Zhivomirov

Phase difference measurement between two signals via spectral analysis. (measurement, signal processing)

phdiffmeasure(x, y)

example.m

image thumbnail

updated 26 days ago

Single Channel Blind Separation using Pseudo-Stereo Mixture and Complex 2D Histogram by bin gao

This code is for Single Channel Audio Separation (signal processing, demo, audio processing)

bss_eval_sources.m

idealmask(x1,xclean,xresid,Fs,awin,timestep,numfreq,est1,...

tfanalysis(x,awin,timestep,numfreq)

image thumbnail

updated 26 days ago

Cochleagram and IS-NMF2D for Blind Source Separation by bin gao

This is a demo code for single channel audio source separation (signal processing, matlab, audio processing)

is_nmf2D_em.m

is_nmf2D_mu.m

cochleagram(r, winLength)

image thumbnail

updated 27 days ago

Weighted Iterative Truncated Mean Filter by Miao Zhenwei

WITM filters (image processing, signal processing, filter)

GWITM.m

LCWITM_filter.m

LCWITM.m

image thumbnail

updated 27 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()

image thumbnail

updated 27 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

image thumbnail

updated 28 days ago

Adaptive Filtering by Paulo S. R. Diniz

MATLAB files to implement all Adaptive Filtering Algorithms in this book. (adaptive filtering, echo, signal processing)

Affine_projection(desired,input,S)

Affine_projectionCM(input,S)

CMA(input,S)

Contact us