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updated 3 days ago

geom2d by David Legland

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

Demo Medial Axis

Draw Poisson lines

demoExpandPolygon

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updated 9 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 1 month 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 6 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 27 days ago

Communications System Toolbox Support Package for RTL-SDR Radio by MathWorks Communications System Toolbox Team

Design and prototype software-defined radio (SDR) systems using RTL-SDR with MATLAB and Simulink (pick of the week, potw, rtlsdr)

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updated 8 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 1 year ago

DWT - SVD robust and secure watermarking scheme by Chez

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

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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 1 year 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 5 months ago

LiveRecording by Marcus Vollmer

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

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updated 14 days ago

FEMcali by Thomas Abrahamsson

This App calibrates a Finite Element Model if you provide a parameterized model and test data. (calibration, validation, structural dynamics)

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updated 2 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 7 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, not a function)

Sound_Analysis.m

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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 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 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 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 8 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 25 days ago

Noise Measurement with Matlab Implementation by Hristo Zhivomirov

Estimation of the Noise ASD, Noise PSD and Noise Voltage referred to the output of a circuit. (measurement, signal processing)

filterA(x, fs, varargin)

noisemeasure(x, fs)

example1.m

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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 16 days ago

Fuzzy T-S Modeling by Michael

A fuzzy T-S Modeling App in three different languages. (nonlinear systems, modeling, takagi sugeno)

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updated 9 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 1 month ago

Live data acquisition for real-time signal processing in MATLAB by Gabriele Bunkheila

Stream signals to and from data acquisition hardware using simple for or while loops (data acquisition, signal processing)

System Objects to Stream Live Data to and from Data Acqui...

InstallMe

DaqBasicAnalogInExample.m

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updated 9 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 3 months ago

Adaptive DPD Design by Kerry Schutz

A workflow for modeling and simulating PAs and adaptive DPDs. (dpd, digital predistortion...)

fit_memory_poly_model(x, y, lengthVector, memorylen, degr...

DPD_analysis.m

ILA_CONFIGSS

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updated almost 3 years ago

Using MATLAB for Bearing Fault Analysis by Roni Peer

Ball Bearings can have several faults, which result in different signals. This program shows this. (bearing, analysis, signal processing)

[K1, K2, K3]=kurtpar(Y,t)

bearing(P, t)

bearingAnalysis(varargin)

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updated 15 days ago

PCMGUI(varargin) by ABHILASH SINGH

PCM using GRAPHICAL USER INTERFACE (signal processing, communications)

PCMGUI(varargin)

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updated almost 6 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 4 years ago

Optical Communications Systems (SOFTDM Ver 1.5) Update Matlab 2010a by David Steckler

Toolbox/blockset about optical comunication system Sonet/SDH mapping over fiber optics (sonet, sdh, communication)

Acerca_SoftTDM.m

Average(u)

Circuito_Decision(u)

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updated 25 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

Cepstral Analysis with Matlab Implementation by Hristo Zhivomirov

Cepstral analysis including calculation of the cepstral coefficients and the quefrencies. (signal processing, spectral analysis)

cepstrum(x, fs, offset, wlen, varargin)

example2.m

example1.m

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updated 1 year ago

Chaotic Generators Demo by Bogdan Cristea

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

[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 years 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 25 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, spectral analysis)

spectrum(x, fs, varargin)

example2.m

example1.m

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updated 9 months ago

Signal Processing with MATLAB Webinar by Kirthi Devleker

Contains code Snippets used in the Webinar (signal processing)

delayCompensationPlot( tn,xn,xfilter, xfiltfilt)

plotEKGPSD(varargin)

plotSig( num, sigData, titleString )

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updated 1 year 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

adc_with_impairments

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updated 1 year 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. (wireless, farrow, fractional delay)

QAMx_Synchronization_DT

QAMx_Synchronization_Mixed_CT_DT

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updated 2 years ago

Butterworth Filters by Chad Greene

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

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

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

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

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updated 9 months ago

Image Denoising based on Non Local-means Filter and its Method Noise Thresholding by Shreyamsha Kumar B. K.

Image details that are removed by NL-means filter is added back after wavelet thresholding (non localmeans filter, bilateral filter, method noise)

[g_all, vv_all]=vifsub_est_M(org,dist, subbands, M);

[ssarr, l_arr, cu_arr]=refparams_vecgsm(org,subands,M)

bayesthf(y,noise_var)

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updated 2 years ago

Simulink model for Fetal ECG extraction (HDL Compatible algorithm) by Igal

This is an HDL Coder compatible Fetal ECG extraction algorithm. (biotech, demo, signal processing)

mom_and_fetus.m

FECG_hdl_fix1

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updated 4 years ago

MPEG2 Video Encoder by Ravi Lakkundi

MPEG2 Video Encoder (mpeg2 video encoder, video codec, mpeg2)

Alignbits(BitStream)

Checkruns(block)

PutGOPHeader(BitStream)

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updated 2 years ago

Vessel branch segmentation by Hiroshi Kawaguchi

Segment the vessel branches from dynamic image of fluorescent microscopy (image processing, gui, microscopy)

VesselBranchSegmentation

[appTime, mask]=VBSvesselMask(vimg)

[map sepTime]=VBSregionMerge(appTimeImg)

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updated 6 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 1 year ago

Multi-Scale Edge Detection by Shan

Multi-Scale Edge Detection with Gaussian and Laplacian Pyramids (edge detection, gaussian pyramid, laplacian pyramid)

[EdgeDecision, var]=funcVarianceMapMod(inputImage, row, c...

[varianceImg, timeTaken]=funcVarianceMap(inputImage, wind...

convolve(I, F, str)

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updated 1 year ago

Image fusion based on pixel significance using cross bilateral filter by Shreyamsha Kumar B. K.

Fuses multifoucs and multispectral images by weighted average using the weights computed from CBF. (image fusion, pixel significance, multifocus)

[QABF,LABF,NABF,NABF1]=objective_fusion_perform_fn(xrcw,x)

[gv gh]=sobel_fn(x)

[hist_out]=imhist_fn(x)

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updated 25 days ago

A-weighting Filter with Matlab Implementation by Hristo Zhivomirov

A-weighting of a signal via spectral processing in the frequency domain. (measurement, signal processing)

filterA(x, fs, varargin)

example.m

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updated 1 year 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...)

med2d.m

y=ar_med_filter(signal,Fs)

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updated 1 year ago

Bregman Cookbook by Jerome Gilles

This toolbox provides signal/image/3D processing based on Bregman Iterations (bregman, l1, sparse)

R=AddCurveletArray(A,B)

R=AddFrameletArray(A,B)

R=ShrinkComplexCurvelet(A,tau)

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updated 2 years 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 1 year 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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