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updated 1 day 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 1 day ago

Linear Block Code Implementation Hamming code of (7,4) by Muhammad Tahir Rana

This code compare ideal channel response to uncoded and coded bit streams. (communications, signal processing)

b_c_i.m

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updated 1 day ago

Compute Fourier Transform or Inverse Fourier Transform by Igal Rozenberg

Efficiently compute Fourier Transform or Inverse Fourier Transform from discrete samples (fourier, fourier transform, inverse fourier trans...)

FourierTransform(tvect,TDvect,w_samples)

IFourierTransform(wvect,Hvect,t_samples)

Test_Scenario_FT.m

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updated 1 day 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)

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updated 3 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

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updated 3 days ago

SPLINEFIT by Jonas Lundgren

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

SPLINEFIT EXAMPLES

ppdiff(pp,j)

ppint(pp,a,b)

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updated 3 days ago

Picket-Fence Effect of the DFT by Oktay Alkin

Picket-fence effect of the DFT. (signal processing)

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updated 4 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)

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updated 4 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)

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updated 4 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)

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updated 4 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)

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updated 4 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)

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updated 7 days ago

inpolygons by Kelly Kearney

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

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updated 7 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)

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updated 10 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

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updated 12 days ago

z-Transform Demo by Oktay Alkin

3-D visualization of the z-transform. (signal processing)

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updated 12 days ago

Laplace Transform Demo by Oktay Alkin

3-D visualization of the Laplace transform. (signal processing)

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updated 12 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

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updated 13 days ago

Carrier & Symbol Timing Recovery for N QAM by Dick Benson

This model implements a contemporary symbol timing and carrier recovery scheme for 2-256 QAM. (timing recovery, qam, carrier)

QAMx_Synchronization_DT.mdl

QAMx_Synchronization_Mixed_CT_DT.mdl

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updated 13 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

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updated 14 days ago

Pole Zero Explorer (Discrete-Time) by Oktay Alkin

The relationship between the pole-zero distribution and the frequency response of a DTLTI system. (signal processing)

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updated 14 days ago

Pole Zero Explorer (Continuous-Time) by Oktay Alkin

The relationship between the pole-zero distribution and the frequency response of a CTLTI system. (signal processing)

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updated 14 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)

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updated 16 days ago

Block Diagram Demo by Oktay Alkin

Interactive app illustrating the functioning of a block diagram for a discrete-time system. (signal processing)

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updated 16 days ago

Moving Average Filter Demo 1 by Oktay Alkin

Interactive app illustrating the operation of a moving average filter. (signal processing)

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updated 17 days ago

Waveform Explorer by Oktay Alkin

Interactive app illustrating the use of basic building blocks for constructing waveforms. (signal processing)

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updated 17 days ago

Convolution Demo 2 by Oktay Alkin

Interactive app illustrating the concept of continuous-time convolution. (signal processing)

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updated 17 days ago

Convolution Demo 1 by Oktay Alkin

Interactive app illustrating the concept of continuous-time convolution. (signal processing)

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updated 18 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)

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updated 19 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)

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updated 19 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)

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updated 19 days ago

Wavelet Based Noise Robust Image Segmentation by Ashutosh Kumar Upadhyay

Segment image containing objects of various intensities and shapes in noisy inhomogenous background (image processing, wavelet, image segmentation)

WaveletBasedImageSegmentation.m

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updated 19 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)

Dimensioned Variable (DimVar) Class for MATLAB - notes an...

display.m

abs(v)

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updated 19 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)

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updated 20 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)

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updated 20 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

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updated 20 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)

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updated 20 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)

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updated 20 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

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updated 20 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)

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updated 20 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)

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updated 21 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 21 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()

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updated 21 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

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updated 23 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)

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updated 25 days ago

Computational Geometry Toolbox by George Papazafeiropoulos

Convex hull, mesh generation, Delaunay triangulation, Voronoi diagram and other algorithms. (bounding box, concave, convex)

Bounding box of a random point set in 2-dimensional space

Bounding box of a random point set in 3-dimensional space

Bounding box of a random point set in 4-dimensional space

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updated 25 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 25 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 25 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 1 month 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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