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updated 1 month 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 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 4 months ago

Local binary patterns by Nikolay S.

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

[outImg, varargout]=tightHistImg(inImg, varargin)

[radInterpFilt]=generateRadialFilterLBP(p, r)

[radInterpFilt]=generateRadialFilterLBP(p, r)

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updated 11 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 almost 3 years ago

Delta Sigma Toolbox by Richard Schreier

High-level design and simulation of delta-sigma modulators (electronics, deltasigma, sigmadelta)

1; end end

DocumentNTF(arg1,osr,f0,quadrature)

ESLselect(v,sy,dw,df)

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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 1 month ago

Complete Pan Tompkins Implementation ECG QRS detector by Hooman Sedghamiz

Detects QRS complex in an ECG signal based on Pan Tompkins algorithm (qrs detection using m..., qrs, pan tompkins algorith...)

pan_tompkin.m

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updated 1 year 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,...

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

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updated 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 2 months ago

geom2d by David Legland

Geometry library for matlab. Performs geometric computations on points, lines, circles, polygons... (color, mathematics, computational geometr...)

InterX(L1,varargin)

angle2Points(varargin)

angle3Points(varargin)

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updated 4 years ago

Detect circles with various radii in grayscale image via Hough Transform by Tao Peng

Detect circular shapes in a grayscale image. Resolve their center positions and radii. (image analysis, circular hough transf..., various)

CircularHough_Grd(img, radrange, varargin)

DrawCircle(x, y, r, nseg, S)

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updated 10 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 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 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 11 years ago

IEEE 802.11a WLAN model by Martin Clark

IEEE 802.11a WLAN physical layer model, with demonstration of adaptive modulation and coding. (wireless, 80211a, 80211)

IEEE80211a_graphics(s, ax, firstcall, params);

IEEE80211a_graphics(s, ax, firstcall, params);

IEEE80211a_open_graphics(blk, forceClose);

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updated 30 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 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 27 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 1 month ago

Automated Trading with MATLAB - 2012 by Stuart Kozola

Files from the Automated Trading webinar showing X_Trader and QuickFIX/J integration. (x_trader, algorithmic trading, genetic programming)

createMSMQ()

crossover(parents,options,GenomeLength,FitnessFcn,unused,...

dsample(HLC, factor)

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updated 3 years ago

MIRtoolbox by Olivier Lartillot

An innovative environment, on top of Matlab, for music and audio analysis (music analysis, audio analysis, signal processing)

aiffread(filePath,indexRange)

center(x)

combinepeaks(p,v,thr)

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updated almost 3 years ago

Equalizer, audioplayer, GUI by Maxim Vedenyov

Possible to change equalizer during playing (equalizer, eq, dsp)

[b a]=get_high_shelving_filter(g,Q,f,Fs)

[b a]=get_low_shelving_filter(g,Q,f,Fs)

[b a]=get_peak_filter(g,Q,f,Fs)

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updated 12 years ago

MATLAB Record GUI by Jesse Hansen

MATLAB Record GUI: Used to record, edit, and analyze speech or other sounds. (sound, matlab gui, audio)

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updated 10 months ago

Real Time Microphone and Camera data acquisition and audio-video processing by Theodoros Giannakopoulos

This Matlab-code is a demo for real-time audio and image processing. (audio processing, video processing, camera)

realTimeMic(duration, nBlocks, useVideo)

zcr(signal,windowLength, step, fs);

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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 7 years ago

M-QAM modulation and demodulation by Santosh Shah

this is the QAM modulation and demodulation tech. with speech example (wireless, qam, mqam)

my_bi2de(b, msbflag)

my_de2bi(d, msbflag, n)

my_qamdemod(y, m)

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updated 2 years 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 6 years ago

Simple Audio Editor by Navan Ruthramoorthy

This is a simple audio editor GUI to read, write, cut, copy, paste, filter and analyze audio data. (audio processing, video processing, audio)

RecordFromMic

getFromMATLABVarNameandFs

getToMATLABVarNameandFs

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updated 20 days ago

High Speed ADC Models by Dick Benson

Interleaved, Successive Approximation, and Pipelined Sub-Ranging ADC models. (analog to digital con..., a to d, adc)

example_sel2html(fn,new,Click_Sensed)

adc.m

sar_adc_2.mdl

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updated 1 month ago

Gabor Wavelets 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 1 year ago

Analog / Mixed Signal Examples by Dick Benson

Extensive collection of examples for analog and mixed signal design work. (dsp, circuit, rf)

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

analyze_BPF(Lval,Cval,Z0)

curveintersect.m

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updated 10 years ago

UWB Fixed-Point Model (Multiband OFDM) by Mike Mulligan

Ultrawideband (UWB) multiband OFDM physical layer with fixed-point transmitter/receiver modeling. (wireless, ultrawideband, uwb)

UWB_settings(OFDMDataSymPerFrame, OFDMWordLength);

UWB_settings(OFDMDataSymPerFrame, OFDMWordLength);

fpscaling(wordLength, LE, returnFracLength);

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updated 10 months ago

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

Time-Frequency resynthesis via Inverse Short-Time Fourier Transformation (ISTFT) (signal processing)

istft(stft, h, nfft, fs)

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

Resynthesis.m

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updated 6 years ago

Simple Single Carrier FDMA (SC-FDMA) Simulator by Hyung Myung

Simple link level and PAPR simulators for SC-FDMA system. (wireless, single carrier fdma, scfdma)

ofdm(SP)

paprOFDMA()

paprSCFDMA()

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updated almost 5 years ago

fourier descriptor by michael scheinfeild

describe shape using fourier coefficients (fourier descriptor, shape, shape classification)

[new_indeces]=find_close_indeces(im_in)

make_fft_sec(image_edged,ncoef)

test_fourier.m

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updated almost 5 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

Gabor filtering on an image by Deepak Kumar Rout

Application of gabor filter on image (gabor filter, image processing, image)

gb=gabor_fn(sigma,theta,lambda,psi,gamma)

gabor_program.m

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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 12 months ago

Short-time Energy and Zero Crossing Rate by Nabin S Sharma

Compute the short time energy (STE) and short-time zero crossing rate (STZCR) of a signal. (signal processing, speech processing, shorttime energy)

energy(x,wintype,winamp,winlen)

sgn(x)

winconv(x,varargin)

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updated 7 years ago

Sigma-Delta ADC, From Behavioral Model to Verilog and VHDL by Ali Behboodian

Model-Based Design of a Sigma-Delta ADC, from behavioral model to VHDL code. (dsp, adc, sigmadelta)

sigma_delta_control

y=bin2sbin(x)

filter_design.m

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updated 1 year 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. (dsp, digital signal proces..., discrete fourier tran...)

AD_DA(x,Xmin,Xmax,Levels)

conv_DHT(x,y)

conv_DHT2(x,h)

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updated 4 months ago

SIMULINK Sigma-Delta Toolbox by Isacco Arnaldi

Model-Based design and simulation of various Sigma-Delta ADCs (adc, dsp, audio processing)

SNRestimation(simout, f)

calculateSNR(hwfft,f,nsig)

ds_hann(n)

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updated 11 months ago

Time-Frequency Analysis of Non-Stationary Signals with Matlab Implementation by Hristo Zhivomirov

Time-frequency analysis of non-stationary signals in time, frequency and time-frequency domain (signal processing, spectral analysis)

spectrum(x, fs, varargin)

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

Time_Frequency_Analysis.m

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updated 12 years ago

CDMA2000 Downlink Simulink Models by Alex Rodriguez

Simulation of a CDMA2000 downlink system (wireless, cdma2000, cdma)

cdma2k_inttable(numSamp, rc);

cdma2k_load.m

cdma2k_lib

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updated 9 years ago

Speech Analysis using LPC by Tan Chin Luh

A GUI for Speech Analysis using LPC (audio processing, video processing, lpc)

simplelpcgui(varargin)

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updated 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 2 years ago

IMF for Bearing Fault Diagnosis by Santhana Raj

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

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

emd(x)

findpeaks(x)

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updated almost 2 years ago

Agilent Infiniium and InfiniiVision Oscilloscopes – MATLAB Example by Vinod Cherian

MATLAB application example for Agilent Infiniium and InfiniiVision oscilloscopes (matlab example, agilent, oscilloscopes)

AnalyzedDataPanel(parent, title)

DataSourcePanel(parent, title)

MICTSource(hParent, bSimulation)

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updated 3 years ago

Phase Locking Value by Praneeth Namburi

Computes the Phase Locking Value (PLV) for neuroelectric signals. (eeg, ecog, plv)

pn_eegPLV.m

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updated 10 years ago

Image Compression by Luigi Rosa

Demo source code for image compression. (compression, image compression, dct)

btcode (infile,bx,by,outfile)

conv2fft(z1,z2,shape,shape2)

convfft(z1,z2)

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updated 1 year ago

Continuous Sound and Vibration Analysis by Edward Zechmann

This program analyzes sound and vibrations data using metrics for continuous noise and vibrations. (dsp, sound, vibrations)

ACdsgn(Fs)

ArgStruct=parseArgs(args,ArgStruct,varargin)

D=Data

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