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updated 6 days ago

Program to analyze F0 of speech ABR in Matlab by Nike

This code can be used to spectrally analyze a an ABR ASCII waveform by windowing and zero padding. (speech abr, spectral analysis, audiology)

analyzeabr.m

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updated 8 days ago

Bregman Cookbook by Jerome Gilles

This toolbox provides signal/image/3D processing based on Bregman Iterations (signal processing, bregman, sparse)

R=AddCurveletArray(A,B)

R=AddFrameletArray(A,B)

R=ShrinkComplexCurvelet(A,tau)

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updated 8 days ago

Trainable COSFIRE filters for keypoint detection and pattern recognition by George Azzopardi

A COSFIRE filter detects features or patterns of interest, e.g. traffic signs in complex scenes. (feature detection, trainable, feature)

COSFIRE_Application(example)

Gabor(img, lambda, aspectratio, bandwidth, orientation, shi...

Parameters(type)

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updated 20 days ago

Spectral analysis with Matlab Implementation by Hristo Zhivomirov

Spectral analysis including amplitude and phase spectrum as well as their graphical representation. (signal processing)

spectrum(x, fs, varargin)

example1.m

example2.m

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updated 1 month 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. (16qam, qam, carrier)

QAMx_Synchronization_DT

QAMx_Synchronization_Mixed_CT_DT

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updated 1 month ago

Content Based Image Retrieval by Chez

Simple content based image retrieval for demonstration purposes. Either using knn or classification (image retrieval, content based image r..., classification)

L1(numOfReturnedImages, queryImageFeatureVector, dataset)

L2(numOfReturnedImages, queryImageFeatureVector, dataset, m...

[obj, overall]=confMatPlot(confMat, opt)

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updated 1 month ago

DWT - SVD robust and secure watermarking scheme by Chez

Watermarking scheme based on DWT and SVD techniques. (steganography, tamperproofing, watermarking)

DWT - SVD robust and secure watermarking scheme

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updated 1 month ago

AR filter + Minimum Entropy Deconvolution for Bearing Fault Diagnosis by Santhana Raj

AR Filter by YuleWalker method combined with Minimum Entropy Deconvolution for bearing fault diagnos (ar, filtermed, minimum entropy decon...)

y=ar_med_filter(signal,Fs)

med2d.m

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updated 2 months ago

Calculation of CT MTF and NPS using the ACR accreditation phantom by Saul

This code enables measurements of CT MTF and NPS from images of an ACR accreditation phantom. (computed tomography, ct, modulation transfer f...)

SliceBrowser(varargin)

mtfcalc.m

npscalc.m

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updated 2 months ago

Chaotic Generators Demo by Bogdan Cristea

Chaotic generators demo can be used for studying the behavior of chaotic generators. (bifurcation diagram, attractor, chaos)

[waxis,Pyy,bic]=m_bicoher(y,nfft,wind,nsamp,overlap)

[waxis,Pyy]=m_powerspec(y,nfft,wind,nsamp,overlap)

attractor(action)

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updated 2 months ago

MatLab Solutions: "Introduction to Digital Signal Processing: A Computer Laboratory Textbook". by Ilias Konsoulas

These files are the MatLab solutions of exercises contained in the above DSP lab textbook. (digital signal proces..., gabor transform, chirp ztrans)

AD_DA(x,Xmin,Xmax,Levels)

conv_DHT(x,h)

diffft(x)

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updated 3 months ago

FeatureFinder 2.4.1 by Feature Finder

A user-friendly tool for signal filtering and feature extraction. Well-suited to large data sets! (gui, data import, data export)

Comm_Alert(sMessage)

Comm_Exit()

Comm_Help(sTitle,sMessage)

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updated 3 months ago

Sound file converter GUI by Christopher

The program converts MATLAB supported soundfiles with the use of GUI. (converter, gui, audioread)

ConverterPanel(varargin)

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updated 3 months ago

Agilent Infiniium and InfiniiVision Oscilloscopes – MATLAB Example by Vinod Cherian

MATLAB application example for Agilent Infiniium and InfiniiVision oscilloscopes (agilent, oscilloscope, instrument control)

AnalyzedDataPanel(parent, title)

DataSourcePanel(parent, title)

MICTSource(hParent, bSimulation)

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updated 4 months ago

ECC image alignment algorithm (image registration) by Georgios Evangelidis

This is a Matlab implementation of the ECC image alignment (image registration) algorithm. (enhanced correlation ..., image processing, subpixel accuracy)

ecc(image, template, levels, noi, transform, delta_p_init)

image_jacobian(gx, gy, jac, nop)

spatial_interp(in, warp, str, transform, nx, ny)

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updated 4 months ago

JPEG-based computing by Boris

This is a function to test a JPEG-based encoding/decoding algorithm (demo, image processing, compression)

entropy_cod( input_matrix, n)

get_quantization( q )

huffman_cod( input_matrix)

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updated 5 months ago

Wave Player Visualizations (Geek) by Suraj Kamya

Kviz_playerV1 is Kamya Visualization music player Version 1 have a number of Geek Visz (3D-also) (gui, project, sound processing)

Kviz_Player_V1(varargin)

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updated 5 months ago

Analog / Mixed Signal Examples by Dick Benson

Extensive collection of examples for analog and mixed signal design work. (analog, pll, flyback)

[Out1,Out2]=qsynth(Action,In1,In2)

analyze_BPF(Lval,Cval,Z0)

example_sel2html(fn,new)

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updated 5 months ago

Filter Bank Design by Iman

This function can be used to design uniform and non-uniform filter banks. (filter bank, nonuniform filter ban..., uniform filter bank)

A=A_gerenator(x,Beta,Sigma_dictionary,M)

Beta=Beta_dictionary(M,nk)

M=Find_LCM(x)

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updated 5 months ago

speccompare by Martin Kuriger

SPECCOMPARE shows the spectral differences of two signals using colors and brightness. (signal processing, spectrogram, difference)

speccompare( X1, X2, Fs, titleString, maxDiff_dB )

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updated 5 months ago

Generation of deterministic signals by Patrik Flegner

Generation of deterministic signals (generation of signals, signal processing, modeling of signals)

GenSig_Determin_2013.m

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updated 5 months ago

Generation of random signals by Patrik Flegner

Generation of random signals (signal processing, random signals, modeling of signals)

GenSig_Random_2013.m

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updated 5 months ago

Generate of special signals by Patrik Flegner

Generate of special signals (signal processing)

GenSig_Special_2013.m

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updated 5 months ago

Generating of impulse signals by Patrik Flegner

Generating of impulse signals (signal processing, impulse signals, generation of signals)

GenSig_Impulse_2013.m

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updated 7 months ago

correlation between two sequences by Deepak Kumar Rout

Program to find the correlation between two sequences without using the inbuilt xcorr function (correlation, signal processing, xcorr)

test1.m

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updated 8 months ago

Maximum Correlated Kurtosis Deconvolution (MCKD) by Geoff McDonald

A method to extract periodic impulses from a 1d signal. (correlated kurtosis, maximum correlated ku..., mckd)

mckd(x,filterSize,termIter,T,M,plotMode)

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updated 8 months ago

Sound analysis with Matlab Implementation by Hristo Zhivomirov

Time and frequency analysis, measurement of the crest factor, the dynamic range, etc. (signal processing, sound analisys, measurement)

Sound_Analysis.m

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updated 8 months ago

non dissipative ladder filters by Pierre Muret

calculate the inductances and capacitances of a non-dissipative analog ladder filter (analog filter design)

hurwitz(A)

unitarh(G,F,lim)

y11pb(G,H,lim)

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updated 8 months ago

Short Time Fourier Transform by Hafeez Dhalla

Script for computing the short time Fourier transform of 1D signals. (short time fourier tr..., fourier transform, fft)

X=stft(x,wl,olr,window,alpha)

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updated 9 months ago

Butterworth Filters by Chad Greene

Highpass, lowpass, bandpass, and bandstop Butterworth frequency filters. (filtering, dsp, frequency)

[filtered_signal,filtb,filta]=bandpass_butterworth(inputsig...

[filtered_signal,filtb,filta]=bandstop_butterworth(inputsig...

[filtered_signal,filtb,filta]=hipass_butterworth(inputsigna...

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updated 9 months ago

Dig_Filter by Iman

This toolbox can be used to design a filter which satisfies prescribed specifications. (communication, digital filter, optimization)

Dig_Filter.m

N=N_Dig_Filter(wa,wp,eps_p,eps_a)

[a1 a2 b1 b2]=random_stable_initial_points

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updated 9 months ago

Uniform Filter Bank by Iman

This function can be used to design a uniform filter bank with M subbands. (optimization, signal processing, uniform filter bank)

P=P_NPR(M,m,m1)

PR_Nguyen.m

[c,ceq]=confun(h)

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updated 9 months ago

2-dimensional Filter Design using McClellan transformation by Iman

This function can be used to design 2D lowpass, highpass, bandpass, bandstop filters. (signal processing, image processing, filter design)

ChebyshevPoly(n)

Dig_Filter.m

Filter_Design_2D_McClellan.m

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updated 9 months ago

wavplayer by Emmanuel Alap

An interactive sound (.wav) player for MATLAB using the built-in audioplayer function. (audioplayer, gui, volume)

wavplayer(varargin)

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updated 9 months ago

Impulsive Noise Meter by Edward Zechmann

Calculates Impulsive noise metrics for hazardous acoustic noise assessment. (signal processing)

ACdsgn(Fs)

ArgStruct=parseArgs(args,ArgStruct,varargin)

[A2, A_str, real_digitsL, real_digitsR, imag_digitsL, imag_...

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updated 9 months ago

Animation *.wav to *.avi spectrum animation generator. by Héctor Corte

This script takes an audio file in *.wav and converts it into an *.avi animation using its spectrum. (signal processing, data exploration, image processing)

wav2mov.m

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updated 10 months ago

Gabor Filetr GUI by Nikolay S.

Design apply and learn the Gabor Filter via GUI. (gui, image enhancement, filter bank)

Gabor Filter GUI

GaborFilterDesighnNik(varargin)

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updated 10 months ago

Can you hear the Image? Tool that allows you to transform image into audible sounds by Uri Dubin

This demo transforms image spatial information to sounds. It helps blind to "see" the image. (image processing, signal processing)

SOI_SoundsOfImages(varargin)

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updated 10 months 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 10 months ago

Local binary patterns by Nikolay S.

Calculates image LBP (Local binary patterns). (feature detection, image processing, lbp)

efficientLBP(inImg, filtDims, isEfficent)

snailMatIndex.m

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updated 10 months ago

Quick spline smoothing for 1-D data by Damien Garcia

Z = SMOOTH1Q(Y) smooths data Y using a DCT- or FFT-based spline smoothing method (smoothing)

smooth1q.m

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updated 11 months ago

Sigma Delta Test Bench by Aravind VJ

A test bench to simulate and analyse Sigma Delta modulators (delta sigma, sigma delta, communications)

DAC_Test.m

DWA_Trial.m

Run_Me.m

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updated 11 months ago

SCOPE: interactively tabulate SEER excel variables by Rex Cheung

This takes SEER excel column data interactively, tabulate them, write back in table format. (data import, data export, optimization)

output=xls2tabulate2xls(xlsfilename)

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updated 11 months ago

MATLAB/Simulink for Digital Signal Processing by Won Yang

Many MATLAB codes for Digital Signal Processing (signal processing, simulation, simulink)

B=FRS_nr_realization(Gd,N,sym,ftype)

D=dctmtx_my(M)

DCT2_blk(u,block_size)

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updated 11 months ago

MATLAB/Simulink for Digital Signal Processing by Won Yang

More MATLAB programs DSP than any books with similar titles to explain things using MATLAB/figures (signal processing, simulation, simulink)

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updated 12 months ago

Envelope Detction for Signal Analysis by Santhana Raj

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

y=envelope(signal,Fs)

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updated 12 months ago

Noise Measuremet with PCSGU250 and Matlab Implementation by Hristo Zhivomirov

Noise measurement using data from the Velleman PCSGU250 measurement complex. (measurement, signal processing)

filterA(f, x)

Noise_measurement_PCSGU250.m

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updated 1 year ago

Discret Wavelet Transform got Daub2 by Santhana Raj

Implements the Daubechies 2 DWT w/o using the inbuilt function (daubechies, wavelet, db2)

[yh,yl]=d2wavelet(x,Fs,level)

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updated 1 year ago

Harmonic Wavelet For Wavelet transform by Santhana Raj

Computes the Harmonic wavelet and outputs in the form similar to other wavelets (signal processing, image processing, wavelet transform)

[out1,out3]=harmonic(LB,UB,N,option)

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updated 1 year ago

IMF for Bearing Fault Diagnosis by Santhana Raj

performs HHT on signal & IMF is plotted for Condition monitoring of vibration based bearing fault (condition monitoring, signal processing, bearing fault)

[imf,imf_fft]=imf_bearing(y,Fs,l)

emd(x)

findpeaks(x)

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