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

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)

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)

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)

Sound file converter GUI by Christopher

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

ConverterPanel(varargin)

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)

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

A COSFIRE filter is used to detect features of interest. (feature detection, trainable, feature)

COSFIRE_Application(trainingImage,testingImage)

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

Parameters

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)

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)

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)

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)

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)

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 )

Generation of deterministic signals by Patrik Flegner

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

GenSig_Determin_2013.m

Generation of random signals by Patrik Flegner

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

GenSig_Random_2013.m

Generate of special signals by Patrik Flegner

Generate of special signals (signal processing)

GenSig_Special_2013.m

Generating of impulse signals by Patrik Flegner

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

GenSig_Impulse_2013.m

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

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)

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

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)

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)

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...

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

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)

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

wavplayer by Emmanuel Alap

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

wavplayer(varargin)

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_...

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

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)

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)

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

Local binary patterns by Nikolay S.

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

efficientLBP(inImg, filtDims, isEfficent)

snailMatIndex.m

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

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

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)

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)

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)

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)

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

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)

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)

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)

Morphological Analysis for Bearing Fault detection by Santhana Raj

Applies the selected morphological operators on the signal. (signal processing, image processing, morphological operato...)

morph_analysis(sig,fault_fr,rpm)

Plotter for PSD objects by German Gomez-Herrero

Allows to overlay and easily compare multiple Power Spectral Density estimates on a single figure (psd, power spectral densit..., plot)

blackbg(h, varargin)

clone(h)

delete_psd(obj, idx)

Flat fading channel by M R Avendi

Flat fading channel is generated using two methods and compared (rayleigh fading, flat fading, filter method)

out=cxn(N,sig2)

out=flat_filter(Ns,fD,fDTs)

out=flat_spec(N,fD,fdTs)

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. (nonlinear dynamics, time series analysis, finance)

AAFTsur(xV,nsur)

AMRBootstrap(xV,arm,nsur)

ARMAfitite(xV,mV,pV,TV)

PSK31 Model with Symbol Timing and Carrier Recovery by Dick Benson

Updated version of PSK31 communication standard that is now R2009B-R2012A compliant. (timing recovery, fec, pll)

[bitstream,char_table]=make_bits(msg)

[sout,char_table]=load_alpha()

message=read_text(file_name)

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)

Generating video signal by Krishna Kumar P

Generating video signal from frames. Both sampled & without sampled signal generated (video signal plot, video sampling)

VideoSignalGeneration.m