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updated 2 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)

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updated 4 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)

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updated 6 days 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 8 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 8 days ago

Picket-Fence Effect of the DFT by Oktay Alkin

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

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updated 8 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 8 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 9 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 11 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 16 days ago

z-Transform Demo by Oktay Alkin

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

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updated 16 days ago

Laplace Transform Demo by Oktay Alkin

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

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updated 18 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 18 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 18 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 21 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 21 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 21 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 21 days ago

Convolution Demo 2 by Oktay Alkin

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

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updated 21 days ago

Convolution Demo 1 by Oktay Alkin

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

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updated 23 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 24 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 24 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 24 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 24 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 24 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 25 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 25 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 26 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 27 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 29 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 30 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 30 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 30 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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updated 1 month ago

mq_interpolation.m by Orlando Rodríguez

Multiquadrics interpolation. (approximation, interpolation, multiquadrics)

mq_interpolation(r,f,ri,c)

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updated 1 month ago

triparabolic interpolation by Orlando Rodríguez

Triparabolic function interpolation and calculation of derivatives. (3d, approximation, interpolation)

triparinterp(x,y,z,f,nodes)

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updated 1 month ago

biparabolic interpolation by Orlando Rodríguez

Biparabolic surface interpolation and calculation of derivatives. (approximation, interpolation, derivatives)

biparinterp(x,y,f,nodes)

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updated 1 month ago

piecewise cubic interpolation by Orlando Rodríguez

Code to interpolate function values and corresponding derivatives. (approximation, interpolation, derivatives)

pcinterp( x, y, xi, stype )

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updated 1 month ago

piecewise parabolic interpolation by Orlando Rodríguez

Code to interpolate function values and corresponding derivatives. (approximation, interpolation, derivatives)

ppinterp( x, y, xi )

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updated 1 month ago

Box Muller complex noise by Orlando Rodríguez

Box Muller complex noise (signal processing, underwater acoustics)

boxmullernoise(nsensors,s)

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updated 1 month ago

Zernike Moments by Amir Tahmasbi

MATLAB Code for the Fast Calculation of Zernike Moments of order n and repetition m on NxN images. (image processing, physics, mathematics)

Zernikmoment(p,n,m)

radialpoly(r,n,m)

Zernike_main.m

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updated 1 month ago

Frequency-Domain Min-Max Optimization for Delta-Sigma Modulators by Masaaki Nagahara

Matlab codes are provided for min-max optimization for loop-filter design in delta-sigma modulators. (delta sigma, optimization, signal processing)

NTF_MINMAX(order, OSR, H_inf, f0, zf)

NTF_MINMAX_MB(order, OSR, H_inf, f, zf)

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updated 1 month ago

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)

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updated 1 month ago

Filter - smooth (calculating the moving average along a vector) by Adrian Lara-Quintanilla

This function calculates the moving average along that vector. It can be used to smooth a series. (smooth, filter, timeseries)

moving_average.m

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updated 1 month ago

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)

findvalues(vector,yvalue)

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updated 1 month ago

nasa/T-MATS by Jeffryes

Simulink Toolbox for the Modeling and Analysis of Thermodynamic Systems, such as gas turbines (simulation, simulink, example)

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updated 1 month ago

Real/Complex Spherical Harmonic Transform and Gaunt Coefficients by Archontis Politis

A small collection of routines for the Spherical Harmonic Transform and Gaunt coefficients. (signal processing, acoustics, spherical)

Fdirs2grid(W, aziRes, polarRes, CLOSED)

checkOrthogonality(N, dirs, basisType, W)

complex2realCoeffs(C_N)

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updated 1 month ago

libPLS_1.95.zip by Hongdong Li

libPLS: An Integrated Library of Partial Least Squares Regression and Discriminant Analysis (signal processing, statistics, modeling)

irf.m

plsnipals.m

axisrange(x)

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updated 1 month ago

Communications System Toolbox Support Package for USRP Radio by MathWorks Communications System Toolbox Team

Support package installer file for USRP radio. (communications, signal processing, sdr)

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updated 1 month ago

Dynamic Time Warping (DTW) by Quan Wang

This package implements Dynamic Time Warping (DTW). (signal processing, machine learning, time series)

dtw(s,t,w)

demo_dtw.m

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