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updated almost 4 years ago

Surface Fitting using gridfit by John D'Errico

Model 2-d surfaces from scattered data (approximation, interpolation, modeling)

gridfit_demo

gridfit(x,y,z,xnodes,ynodes,varargin)

test_main.m

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updated almost 9 years ago

Learning the Kalman Filter by Michael Kleder

Basic Kalman filter, heavily commented, for beginners to Kalman filtering. (filter design, filter analysis, linear)

kalmanf(s)

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updated almost 2 years ago

inpaint_nans by John D'Errico

Interpolates (& extrapolates) NaN elements in a 2d array. (nan, inpainting, replace)

(nn(:,1)<1)|(nn(:,1)>n)|(nn(:,2)<1)|(nn(:,2)>m); nn(L,...

valid{ind}; end end

inpaint_nans_demo.m

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updated 4 months ago

Gabor Feature Extraction by Mohammad Haghighat

This program generates a custom Gabor filter bank; and extracts the image features using them. (image processing, computer vision, pattern recognition)

gaborFeatures(img,gaborArray,d1,d2)

gaborFilterBank(u,v,m,n)

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updated 8 months ago

PeakFinder by Nathanael Yoder

Quickly finds local maxima (peaks) or minima (valleys) in a noisy signal. (signal processing, maxima, minima)

peakfinder(x0, sel, thresh, extrema, include_endpoints)

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updated 6 years ago

Hilbert-Huang Transform by Alan Tan

This submission is a realization of the Hilbert-Huang transform (HHT). (audio processing, video processing, hilberthuang transfor...)

emd(x)

findpeaks(x)

plot_hht(x,Ts)

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updated 3 months ago

polyfitn by John D'Errico

Polynomial modeling in 1 or n dimensions (polyfit, modeling, regression)

polyfitn_demo

polydern(p,diffvar)

polyfitn(indepvar,depvar,modelterms)

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updated almost 5 years ago

MATLAB for Digital Communication by Won Yang

The MATLAB programs in "MATLAB/Simulink for Digital Communication" authored by Won Y. Yang et. al (matlab, signal processing, communiation)

AI=inv_GF2(A)

H_est=channel_estimate(X,y)

I=Gauss_Hermite(f,N,varargin)

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updated almost 3 years ago

HTK MFCC MATLAB by Kamil Wojcicki

Mel frequency cepstral coefficient feature extraction that closely matches that of HTK's HCopy. (mfcc, mfccs, htk)

[d,fp,dt,tc,t]=readhtk(file)

cell2file( list, file )

mfcc( speech, fs, Tw, Ts, alpha, window, R, M, N, L )

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updated 5 months ago

Embedded Coder Support Package for Texas Instruments C2000 Processors by MathWorks Embedded Coder Team

Embedded Coder Support Package installer file that works with Support package installer (aerospace, automotive, communications)

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updated 4 years ago

Fast and Robust Curve Intersections by Douglas Schwarz

Computes intersection points of two curves. (approximation, interpolation, intersect intersectio...)

intersections(x1,y1,x2,y2,robust)

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updated 3 months 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 2 months ago

PCA Based Face Recognition System Using ORL Database by Shujaat Khan

This Package implements 'Eigenface' PCA based face recognition technique. (appearance based face..., eigenface, face recognition)

Image_Projection(T,M,Eigenfaces )

PCA_Core(Tr,M,dimensions)

PCA_NEW(Tr,Ts,TrNum,TsNum,dimensions,sno)

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updated 1 year ago

PCA and ICA Package by Brian Moore

Implements Principal Component Analysis (PCA) and Independent Component Analysis (ICA). (statistics, probability, signal processing)

myCenter(z)

myCenterAndWhiten(z)

myICA(z,NUM,varargin)

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updated 2 years ago

SPLINEFIT by Jonas Lundgren

Fit a spline to noisy data. (approximation, interpolation, cubic spline)

SPLINEFIT EXAMPLES

ppdiff(pp,j)

ppint(pp,a,b)

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updated almost 5 years ago

OFDM Trasnmitter and Receiver (Matlab Code) by Ihsan Ullah

OFDM code with 16-QAM modulation. Can be easily Understood and modified. (communications, signal processing, self_rating)

OFDM.m

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updated 6 months ago

Newton-Raphson solver by Mark Mikofski

Yet another solver that uses the backslash function to solve a set of non-linear equations. (mathematics, optimization, data exploration)

newtonraphson_example

newtonraphson(fun, x0, options)

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updated 5 months ago

Dynamic Time Warping (DTW) by Quan Wang

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

d=dtw(s,t,w)

demo_dtw.m

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updated 3 months ago

SLM - Shape Language Modeling by John D'Errico

Least squares spline modeling using shape primitives (spline, splines, cubic)

slm_tutorial

hermite2slm(harray)

lse(A,b,C,d,solverflag,weights)

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updated almost 4 years ago

progressbar by Steve Hoelzer

Simple, efficient, and user friendly replacement for waitbar. (gui tools, example, progress)

progressbar(varargin)

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updated 2 years ago

The INface toolbox v2.0 for illumination invariant face recognition by Vitomir Struc

Photometric normalization techniques used for achieving illumination invariant face recognition. (image processing, face recognition, biometrics)

DCT_normalization.m

adaptive_nl_means_normalization.m

adaptive_single_scale_retinex.m

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updated almost 10 years ago

Circle fit by Izhak Bucher

Fit a circle to a set of measured x,y points. (approximation, interpolation, circle fit)

circfit(x,y)

try_circ_fit.m

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updated 10 months ago

Fast 2D peak finder by natan

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

[cent, varargout]=FastPeakFind(d, thres, filt ,edg, res, ...

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updated almost 2 years ago

Kalman Filter Package by Brian Moore

Implements Kalman Filter, Extended Kalman Filter, Dual Kalman Filter, and Square Root Kalman Filters (kalman filtering, adaptive filters, signal processing)

EWMA(z,L)

EWMACovEst(z,smoothed_z,i,N,Rold,Qold)

KalmanFilterIteration(z,Q,R,x_aposteriori_last,P_aposteri...

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updated 30 days ago

Chebfun V4 by Chebfun Team

Numerical computation with functions instead of numbers. (numerical analysis, interpolation, approximation)

A greedy algorithm for choosing interpolation points

A keyhole contour integral

A parameter dependent ODE with breakpoints

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updated 4 months ago

EzyFit 2.42 by Frederic Moisy

A free curve fitting toolbox for Matlab (approximation, interpolation, curve)

Discover Ezyfit: A free curve fitting toolbox for Matlab

about_ef (Ezyfit Toolbox)

axis0 (Ezyfit Toolbox)

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updated 1 month ago

Peak Fitter by Tom O'Haver

Command-line peak fitter for time-series signals. Version 5.4, June, 2014 (chemistry, curve fitting, decomposition)

[FitResults,LowestError,baseline,BestStart,xi,yi,BootResu...

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updated 1 year ago

CoSaMP and OMP for sparse recovery by Stephen Becker

Orthogonal Matching Pursuit (OMP) and Compressive Sampling Matched Pursuit (CoSaMP). (omp, cosamp, compressed sensing)

CoSaMP( A, b, k, errFcn, opts )

OMP( A, b, k, errFcn, opts )

test_OMP_and_CoSaMP.m

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updated 8 years ago

Dynamic Time Warping by Timothy Felty

Dynamic time warping program. Calculates the similarity between 2 vectors. (audio processing, video processing, dtw)

[Dist,D,k,w]=dtw(t,r)

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updated almost 6 years ago

Empirical Mode Decomposition by Manuel Ortigueira

It decomposes a given signal into a set of intrinsic mode functions that are essentially AM/FM modul (signal processing, emd, hht)

rParabEmd__L.m

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updated 5 years ago

Image segmentation & Extraction by Diego Barragán

This program segments and extracts objects from an image. (image processing, signal processing, templates)

Imag_seg_ex.m

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updated almost 7 years ago

crossing by Steffen Brueckner

Detect zero (or any other) level crossing of signals. (zero crossing, signal processing, detect zero)

crossing(S,t,level,imeth)

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updated almost 4 years ago

Feature Selection using Matlab by Dimitrios Ververidis

Select the subset of features that maximizes Correct Classification Rate. (demo, gui, signal processing)

...

BayesClassValidationSet(...

CalcInfoLoss(D, N, Crossval_OR_Resubstit)

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updated 4 years ago

Kernel PCA by Ambarish Jash

Non-linear dimension reduction using kernel PCA. (signal processing, nonlinear, kernel technique)

kernelpca_tutorial(data_in,num_dim)

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updated almost 5 years ago

FFT filter - clean your signals and display results! by Shmuel Ben-Ezra

Perform Fourier transform, filter in frequency domain, reconstruct the signal. (fft, ifft, dft)

fftf(t, x, varargin)

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updated 2 years ago

Envelope Detction for Signal Analysis by Santhana Raj

Computes the envelope of the signal by two methods: 1.LPF method 2.Hilbert Transform (image processing, signal processing, envelope detection)

y=envelope(signal,Fs)

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updated 6 months ago

Short-Time Fourier Transformation (STFT) with Matlab Implementation by Hristo Zhivomirov

Time-Frequency analysis via Short-Time Fourier Transformation (STFT) (signal processing, spectral analysis)

stft(x, wlen, h, nfft, fs)

example.m

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updated 4 years ago

Image segmentation using statistical region merging by Sylvain Boltz

Very simple and fast image segmentation code using statistical region merging. (image processing, image segmentation, clustering)

[maps,images]=srm(image,Qlevels)

srm_getborders(map)

srm_imgGrad(I)

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updated almost 11 years ago

MATLAB Simulations for Radar Systems Design by Bassem Mahafza

MATLAB Simulations for Radar Systems Design (communications, radar, signal processing)

Capped_Wedge_GUI(varargin)

DielCappedWedgeTMFields_Ls(v,m,rhoij,phiij,rhop,phip,ar,k...

DielCappedWedgeTMFields_PW(v,m,rhoij,phiij,phip,ar,k,k1,a...

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updated 1 year ago

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)

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updated 1 year ago

Matalb and OpenCV by BIREM Merwan

How to Connect Matlab with OpenCV to use the different functions offered by OpenCV using mex-files. (image processing, signal processing)

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updated 2 years ago

Ridgelet and Curvelet first generation Toolbox by SANDEEP PALAKKAL

Matlab codes for first generation curvelet and ridgelet transforms. (ridgelet, curvelet, image denoising)

addwgn(x,snr)

cart_2_rectopolar(xr)

cell_cardinality( x )

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updated 1 year ago

AutoTune Toy by Carl

Allows you to record and graphically manipulate and pitch correct your voice. (pitch correction, signal processing, gui)

AutoTune Toy

AutoTuneToy(varargin)

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updated 1 year ago

Simulink Support for Kinect by Takashi Chikamasa

Simulink Support for Kinect is a set of Simulink blocks interfaced with OpenNI and Kinect SDK. (image processing, simulation, simulink)

checkBlockSingleton(model, maskType)

checkDeviceBlock(model, maskType)

checkIMAQBlock(model, blk)

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updated 1 year ago

PMSM simulation by Cheku Dorji

The simulink model of current controlled PMSM drive with constant torque control id=0. (simulink, automotive, control design)

PMSM_DRIVES_SIMULATION1

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updated 7 years ago

fitellipse.m by Richard Brown

Fit ellipses to 2D points using linear or nonlinear least squares (approximation, interpolation, least squares)

FITELLIPSE : Least squares ellipse fitting demonstration

fitellipse(x, varargin)

plotellipse(varargin)

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updated 4 years ago

SPEAKER RECOGNITION SYSTEM by raghu ram

uses MFCC or WAVELET SUB BAND CODING (selectable) and GMM for pattern recognition. (signal processing)

About(varargin)

DataBaseAccess(varargin)

H=histn(x,ncont)

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updated 1 month ago

LiveRecording by Marcus Vollmer

Recording audio signals, live visualisation, spectrogram, save to .wav (recording, audio signal, voice)

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updated 2 years ago

JPEG Compression (DCT) by Vinay Kumar Tadepalli

JPEG compression using Discrete Cosine Transform Technique (image processing, simulation, signal processing)

dct1.m

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updated 1 year 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, mathematics, physics)

Zernikmoment(p,n,m)

radialpoly(r,n,m)

Zernike_main.m

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