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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 year ago

PERFORMANCE ANALYSIS OF Z-SOURCE INVERTER FED INDUCTION MOTOR DRIVE by Amit Tiwari

THIS SIMULINK MODEL HAS BEEN DESIGNED FOR ANALYSIS OF A Z SOURCE INVERTER FED THREE PHASE IND. MOTOR (control design, measurement, simulink)

zinv

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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

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 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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updated 7 months ago

Volumetric Data Explorer by Adam Filion

App for exploring higher dimensional data using volumetric visualizations and animation. (app, gui, visualization)

Data Explorer

calculatePixelSizes( availableSize, sizes, minSizes, padd...

callCallback( callback, varargin )

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updated 3 months ago

FFT-based convolution by Bruno Luong

Discrete convolution using FFT method (convolution, conv, conv2)

conv2fft(varargin)

convnfft(A, B, shape, dims, options)

convnfft_install

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updated 2 years ago

Measures of Analysis of Time Series toolkit (MATS) by Dimitris Kugiumtzis

MATS computes many measures of scalar time series analysis on many time series in one go. (signal processing, simulation, statistics)

AAFTsur(xV,nsur)

AMRBootstrap(xV,arm,nsur)

ARMAfitite(xV,mV,pV,TV)

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updated 1 year ago

Generalized Hurst exponent by Tomaso Aste

Generalized Hurst exponent of a stochastic variable (signal processing, finance, statistics)

[mH,sH]=genhurst(S,q,maxT)

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updated 7 months ago

Backtracking Search Optimization Algorithm by PINAR CIVICIOGLU

A new swarm-based global optimization algorithm for real valued numerical optimization problems. (optimization, signal processing, image processing)

FoxHoles(x,mydata)

[fname,fnc,low,up,dim]=setttingOfBenchmarkFnc(i)

ackley(x,mydata)

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updated 3 years ago

matlab code for automatic speech recognition by shahista sayyed

its a matlab code till daubechies wavelets done (signal processing, speaker recognition s...)

Voice_Rec(sample_freq)

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updated 6 months ago

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)

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updated 1 year 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 12 months 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, signal processing, physics)

bluenoise(N)

pinknoise(N)

rednoise(N)

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updated 3 months ago

Kernel PCA and Pre-Image Reconstruction by Quan Wang

standard PCA, Gaussian kernel PCA, polynomial kernel PCA, pre-image reconstruction (signal processing, large data, dimension reduction)

D=distanceMatrix(X)

K=kernel(X,type,para)

K=kernel_NewData(Y,X,type,para)

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updated 11 years ago

Synthetic Aperture Radar Signal Processing with MATLAB Algorithms by Mehrdad Soumekh

Companion Software (signal processing, synthetic aperture, radar signal processi...)

fs=ftx(s);

fs=fty(s);

s=iftx(fs);

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updated 4 months ago

Retinal Vessel Detection by Gabor Transform and Machine Learning, a Tutorial by ted p teng

A tutorial on detection of retinal vessels by Gabor transform and machine learning (pattern recognition, vessel segmentaion, machine learning)

Gabor_GLM_FEX.m

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updated 4 years ago

NURBS Toolbox by D.M. Spink by Paul

NURBS Toolbox by D.M. Spink re-uploaded. The previous link has broken. (approximation, bspline, interpolation)

basisfun(i,u,p,U)

bspdegelev(d,c,k,t)

bspderiv(d,c,k)

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updated 3 months ago

Active geometric shape models by Quan Wang

The active geometric shape model is a novel approach for fitting geometric shapes in images. (image processing, mathematics, optimization)

AGSM Canvas

DD=myspline(D,theta)

GI=gaussianBlur(I,s)

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updated 1 year ago

Linear Model for changing Frequency of Wind, PV, Diesel, Battery, Fuel Cell and Load Hybrid System. by Siva Malla

Modeled wind, PV, FC, Battery, Diesel and load with transfer fucntion (wind, pv, battery)

Model

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updated almost 9 years ago

Contourlet toolbox by Minh Do

Contourlet transform: an efficient and flexible multiresolution, local, and directional image ... (transforms, contourlet, wavelet)

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updated 7 years ago

Lagrange Interpolator Polynomial by Dan Ellis

Find the polynomial (defined by its coefficients) passing through a set of points. (approximation, interpolation, lagrange interpolator...)

Lagrange Interpolation Polynomial

lagrangepoly(X,Y,XX)

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updated 4 months ago

Matlab Audio Analysis Library by Theodoros Giannakopoulos

Companion material for the book "Introduction to Audio Analysis, A MATLAB approach" (audio analysis, signal processing, audio classification)

...

...

...

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updated 8 years ago

EXTENDED KALMAN FILTER example by rc reddy

An example of EXTENDED KALMAN FILTER (dsp, kalman, extended)

EKLMNFTR1(Ap,Xint_v,Uk,Qu,Vk,Qv,C,n,Wk,W,V);

EKF1.m

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updated 2 years ago

Adaptive Filtering by Paulo S. R. Diniz

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

[errorVector,...

[ladderVector,...

[ladderVector,...

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updated 6 months ago

DSP System Toolbox Support Package for ARM Cortex-M Processors by MathWorks DSP System Toolbox Team

Support package install file that works with the ARM Cortex-M CMSIS Library (arm, microcontroller, embedded programming)

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updated 4 months ago

Silence removal in speech signals by Theodoros Giannakopoulos

A simple method for silence removal in speech streams (signal processing, speech analysis, audio)

ShortTimeEnergy(signal, windowLength,step);

SpectralCentroid(signal,windowLength, step, fs)

detectVoiced(wavFileName,t)

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updated 1 year ago

Speckle Noise Reduction in Ultrasound Images by Ashish Meshram (Meet)

This project implements various filters for Speckle Noise Reduction in Ultrasound Images. (image processing, wavelet, butterworth filter)

GetFilePath()

MetricsMeasurement.m

NSRFilters.m

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updated 21 days ago

Oscillator and Signal Generator by W. Owen Brimijoin

A simple command-line function for generating standard waveforms, click trains and noise bursts. (signal generator, signal processing, oscillator)

oscillator(varargin)

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updated almost 12 years ago

Digital Signal Processing Using MATLAB by John Proakis

Companion Software (signal processing, digital signal proces..., companion software)

Blackman(M);

Hr_Type1(h);

Hr_Type2(h);

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updated 11 months ago

Differential Search Algorithm: A modernized particle swarm optimization algorithm by PINAR CIVICIOGLU

DSA is a modernized particle swarm optimization algorithm. (simulation, optimization, statistics)

ds(method,fnc,mydata,size_of_superorganism,size_of_one_cl...

out=circlefit(X,mydata)

out=weierstrass(X,str)

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updated almost 2 years ago

Waveform Generator GUI by Maxim Vedenyov

Generate waveformed signal and play it. Interactive GUI with movable datapoints. (waveform, gui, signal processing)

Waveform Generator GUI

bdf(ha,hfl,uf)

hfl=create_marker(ha,x,y,r,c,uf,no)

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updated 3 years ago

B-spline tools by Jan Tore Korneliussen

Basic toolbox for polynomial B-splines on a uniform grid. OO overloading of common operators. (splines, approximation, interpolation)

B-spline toolbox

bspline0( x )

bspline1( x )

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updated 5 months ago

polyfitZero by Mark Mikofski

Fit polynomial to data, forcing y-intercept to zero or arb. value and slope to zero or arb. value (mathematics, modeling, data exploration)

polyfitZero example

polyfitB(x,y,degree,b)

polyfitB0(x,y,degree,b)

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updated 6 years ago

DIGITAL FILTER GUI by Diego Barragán

DIGITAL FILTER (filter design, filter analysis, filter)

Butterworth.m

Butterworth_bandpass.m

Butterworth_low.m

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updated 2 years ago

arclength by John D'Errico

Compute the arclength of a general curve in any number of dimensions (arclength, spline, curve)

arclength(px,py,varargin)

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updated almost 3 years ago

Fast mutual information of two images or signals by Jose Delpiano

Optimized function for mutual information of two images or signals (geometric transformat..., image registration, mutual information)

I=mi(A,B,varargin)

n=hist2(A,B,L)

mi_test.m

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updated almost 2 years ago

Real-Time Audio Processor by Tucker McClure

Simplifies streaming or generating audio in real time. (audio, realtime, synthesis)

midi_interface_builder()

sine_of_the_times(times, in, state_in)

HandlePlayer

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updated almost 8 years ago

Scattered Data Interpolation and Approximation using Radial Base Functions by Alex Chirokov

Set of functions that can be used for interpolation and and approximation of scattered data of any d (approximation, interpolation, scattered data interp...)

rbfcheck(options)

rbfcreate(x, y, varargin)

rbfinterp(x, options)

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updated 5 months ago

Abel Inversion Algorithm by Carsten Killer

Fourier-based reconstruction of an unknown radial distribution assuming cylindrical symmetry. (image processing, signal processing, physics)

abel_inversion(h,R,upf,plot_results,lsq_solve)

compute_expansion( X,upf,R )

generate_test_data(~)

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updated almost 4 years ago

Direction of Arrival Estimation with MUSIC Algorithm by Tanyer Alan

Function of MUSIC Algorithm [ Direction of Arrival Estimation ] (signal processing, communications, music algorithm)

music.m

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updated almost 2 years ago

STFT, MDCT and inverses. Onset and pitch detection by Antoine Liutkus

Short Time Fourier Transform, MDCT and their inverse. CQT. Onset and Pitch detection. (fourier transform, audio, signal processing)

Signal

misc

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updated 1 year ago

distance2curve by John D'Errico

Find the closest point on a (n-dimensional) curve to any given point or set of points (nearest, closest, distance)

distance2curve(curvexy,mapxy,interpmethod)

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updated 5 years ago

spiht algoritm based image compression by kranthi kumar

matlab program for developing spiht algorithm must be much better than jpeg version in all cases. (signal processing, image processing, demo)

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updated 2 years ago

Wavelet Decomposition For Images by Michael Chan

The demo decouples the wavelet operations from the plotting. (wavelet, image processing, multiresolution)

PSNR(A,B)

displayResultantWaveletImages(A, H, V, D, levelOfDecompos...

observeWaveletDecompositionBenchmark_N_levels.m

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updated almost 2 years ago

barrel and pincushion lens distortion correction by Jaap de Vries

I = LENSDISTORT(I, k)corrects for radially symmetric distortions (image processing, mathematics, optics)

lensdistort(I, k, varargin)

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updated 1 year ago

Gray-scale image segmentation using normalized graphcuts by Mohamed Athiq

Textbook implementation of Normalized graph cut segmentation of gray-scale or intensity images (signal processing, image processing, mathematics)

graphcuts.m

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updated 3 months ago

Communications System Toolbox Support Package for Xilinx FPGA-Based Radio by MathWorks Communications System Toolbox Team

Support package installer file for Xilinx FPGA-Based Radio (signal processing, wireless, communications)

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updated 7 years ago

Newton-Raphson by Keerthi venkateswara Rao

Newton-Raphson method for all real roots of the polynomial. (approximation, interpolation, iterative)

coeff_derivative=derivate(coeff_function)

coeff_second=syn_division(coeff_function,fun_root_new)

newton(coeff_function,initial_guess,error_tolerance,max_i...

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updated 5 years ago

COUNT OF COINS by Diego Barragán

COUNT OF COINS USING IMAGE PROCESSING TOOLBOX. (image processing, signal processing)

count_of_coins.m

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