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)

Convolution by Ismail M. El-Badawy

This function computes the convolution of two Discrete-time signals; x & y. (convolution)

z=convolution(x,y)

Sparse matrix convolution by Bruno Luong

Convolution of sparse matrices (convolution, sparse)

sconv2(A, B, shape)

spikegauss: continuous firing rate time series from discrete spiketimes by R P

Generate spike vector time series (SPKVEC) from the TIMESTAMPS of the spikes. (neuroscience, convolution, gaussian)

[spkvec,timevec]=spikegauss(timestamps,srate,min_timevec,ma...

GUI for Convolution by Shahid Ali Murtza

This gui includes convolution in both continuous and discrete time domains . (convolution, signal processing, gui)

Sig_Project(varargin)

Sig_Project_Disc(varargin)

[y m]=convolution_(x,nx,h,nh)

Interpolation Utilities by Joe Henning

A variety of interpolation utilities (interpolation, piecewise interpolati..., cubic interpolation)

baryinv(x, y, xi, c)

cakima(x, y, xi)

cbezier(x, y, xi)

Viterbi decoder by Gaurav Gupta

Viterbi decoder for rate 1/2 convolution channel coding (communications, convolution, viterbi)

Viterbi_dec(Eb_No, G_d)

Noncontact Speckle-Based Velocity Meter by Sagheb Kohpayeh Araghi

Finding a velocity of substance by using radon transform. (velocity, radon, image)

Johann

MRI field-shift calculation with virtual Zero-Padding by Job

Efficient forward Fourier-based calculation of the susceptibility-induced field shift in MRI (mri, magnetic susceptibili..., aliasing)

FBFC_CC_no_padding(X_dev)

FBFC_CC_vZP(X_dev, degree)

FBFC_KF_vZP(X_dev, degree)

CUDA Convolution filter by Mario Tuerschmann

Convolution of an arbitrary 1D complex signal with an arbitrary filter kernel (cuda, cluster, hpc)

CudaConvolution( input_args )

1-D Covolution by Vallabha Hampiholi

1-D Covolution (convolution, correlation)

convol (X, Y)

3D convolution in the FFT domain by Christopher Coello

Achieve a 3D convolution in the fourrier domain. (convolution, fourier, 3d)

convolution3D_FFTdomain(inVol,inKer)

Matrix Convolution with Sub-Pixel Resolution by Tristan Ursell

Convolve two matrices at sub-pixel resolution, using bilinear interpolation. (matrix, convolve, convolution)

matout=matoverlay(mat1,mat2,x,y)

N-point circular convolution by hung tran

N-point circular convolution (convolution)

circonv(A,B,N)

Matching pursuit for 1D signals by Patrick Mineault

Performs Matching Pursuit on 1d (temporal) signals with custom basis (matching pursuit, basis pursuit, sound processing)

temporalMP(y,B,nonnegative,maxiter,mindelta,deadzone)

TryTemporalMP.m

SCS Unit Hydrograph Convolution by Tom Davis

Hydrograph Generation and Analysis Tool (hydrology, hydrograph, rainfall)

[tq,q,tu,u,t,p,Q,code]=hydrograph(uhname,rdname,method,...

[tq,q,tu,u,t,p,Q]=hydrographui(task)

Convolve/ Deconvolve Gaussian impulse response and unit impulse vectors by Bruce Raine

This function demonstrates how to convolve and deconvolve data as well as plots it and returns it. (filter, plot, signal processing)

plotImpulses(inFile)

Widefield Fluorescence Microscope point-spread function by Praveen Pankajakshan

Generate the point-spread function for a widefield fluorescence microscope (psf, fluorescence, 3d)

maxintensityproj(I, ndir)

wfmpsf(lambdaEx, lambdaEm, numAper, magObj, rindexObj, ...

Moving averages / Moving median etc by Aslak Grinsted

Calculates moving averages (or median/fun) of a timeseries. (moving averages, wavelets, blockfilt)

[y]=moving(x,m,fun)

2-D convolution using the FFT by David Young

Convolution in 2-D using the Fast Fourier Transform. (convolution, filtering, fft)

conv_fft2(x, m, shape)

exindex(arr, varargin)

Fast 2-D convolution by David Young

Speeds up many 2-D convolutions using the SVD; also finds a fast approximation in other cases. (2d, filtering, convolution)

convolve2(x, m, shape, tol)

exindex(arr, varargin)

Linear Convolution: By a buffer by Raviteja

Simple Linear Convolution using a buffer. (convolution, bufferconv, buffer convolution)

[Y]=bufferconv(h,x)

conv2fft_reuse by Felipe G. Nievinski

Reuse intermediary results in multiple related convolutions with the same data but different kernels (convolution, fft, ifft)

conv2fft (h, X, shape, Xfft)

dirup (dir)

filter2fft (h, X, shape, Xfft)

Separable N-Dimensional Convolution by Igor Solovey

N-dimensional convolution for separable kernels, similar to functionality of "conv2(hcol, hrow, A)" (convolution, separability, nd)

convnsep(h,V,type)

test01.m

Minimum Entropy Deconvolution (MED 1D and 2D) by Geoff McDonald

Generates a 1D FIR filter iteratively to minimize the entropy of the filtered signal(s). (1d, deconvolution, minimum entropy decon...)

med2d(x,filterSize,termIter,termDelta,plotMode)

Brush Smaller Image Or Matrix Over A Larger Matrix, Select ROI with resizeable window by Michael Chan

Illustrates how a smaller matrix may be 'brushed' against a larger one without overflowing. (image, image processing, matrix)

brushSmallerImageOverAnother.m

computeRegionalStatisticsOf_ROI.m

section_reportStatisticsOfROI.m

Fast Matrix Column-wise/Row-wise Convolution by Zhen James Xiang

See Description. (convolution)

fastConv(A,B,dim)

fastConvDemo.m

Overlap Add Overlap Save methods implementation for block DFT processing. by Anshul Thakur

Overlap add and Overlap save methods for split block processing. (block processing, overlap add, signal processing)

OA_OS.m

Mono and bidimensional box-car convolution. Fast. by Andrea monti guarnieri

Fast & simple Boxcar window convolution. Same as conv2(x,ones(n1,n2),'same') (filter, smoothing, convolution)

boxconv(matin,lenc,lenr)

Signals and Systems Laboratory with MATLAB M-files by Alex Palamides

These are most of the m-files contained in the book Signals and Systems Laboratory with MATLAB (bode, state space, laplace)

[sm,pro]=oper(A,B)

convd(x,n1,h,n2)

det1(A)

bernpdf by Peter Cotton

Distribution of the sum of independent non-identical Bernoulli random variables using convolution (statistics, probability, simulation)

bernpdf(p)

Kernel decomposition by Cris Luengo

This function does the decomposition of a separable nD kernel into its 1D components. (image processing, convolution, separable convolution)

decompose_kernel(h_orig)

convolution by Alireza LIAGHAT

convolution using symbolic mathematics (convolution, symbolic math)

convolution.m

Graphical convolution animation by Christos Saragiotis

Shows graphically the stages of discrete convolution for any two 1-D signals (educational tool). (signal processing, convolution, graphic)

gconv(x,h,o,p)

ConvolveGUI by Erik Cheever

A GUI for graphically demonstrating the convolution process. (convolution signals, convolve, filter design)

ConvolveAnimParam(varargin)

ConvolveFuncs

ConvolveGUI_fig(varargin)

Graphical Convolution by Marc

Preforms linear convolution of two vectors and and displays an animation of the process. (convolution, signal processing)

graphConvolve(a,b,pausespacing)

Graphical Demonstration of Convolution by Teja Muppirala

An interactive program that provides graphical insight into how convolution operators work. (graphical, convolution, gui)

convolutiondemo.m

FFT-based convolution by Bruno Luong

Discrete convolution using FFT method (conv, fft, convn)

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

convnfft_install

Gabor function masks by David Young

Create Gabor-function convolution masks (convolution, filtering, image processing)

gabormask(Size, sigma, period, orient)

State Space Convolution by Janardhanan Sivaramakrishnan

The script convolves two MIMO state space systems and gives the convoluted output (convolution, feedback, state space)

[Ao,Bo,Co,Do]=convsys(A1,B1,C1,D1,A2,B2,C2,D2)

[Ao,Bo,Co,Do]=sysfeedbk(Af,Bf,Cf,Df,Ab,Bb,Cb,Db)

[temps,Ao,Bo,Co,Do]=cleanss(Ao,Bo,Co,Do)

Multiconv by Janardhanan Sivaramakrishnan

Convolution of more than two polynomials (convolution, mathematics, general)

multiconv(x1,x2,varargin)

Circular convolution using DCT and DST by Reju VG

circular convolution using Discrete sine and cosine transforms (dsp, convolution, discrete sine transfo...)

DST2e(x)

b=DCT2e(a)

b=DST1e(a)

Canny Edge Detection by Anthony Gabrielson

Canny Edge Detection Algorithm (canny, bw, image analysis)

Animated Convolution by Laine Berhane Kahsay

This is a simple MATLAB demo to animate the process of convolution. (animation, dsp, convolution)

acnv.m

convolution explained in detail by sri hari bhupala haribhakta

myconv (dsp, myconv, convolution)

myconv(x,h)

FFW Fastest Filtering in the West by Luigi Rosa

Fast 2D convolution - filtering (conv2, fft, conv)

[out]=detbestlength2(FFTrv,FFTiv,IFFTiv,size1,size2,isreal1...

[out]=fftolamopt2(a,b,opt,shape)

provatempo2.m

masconv by Mahmood Sheikh

The most easily understood program of convolution (dsp, convolution, easy)

masconv(a, b)

Sobel Edge Detection by Anthony Gabrielson

Sobel Edge Detection (bw, sobel, edge)

movave by Hazem Baqaen

Very efficient moving average filter (filter, dsp, smoothing)

movave(data,windowsize)

Fingerprint Recognition System by Luigi Rosa

Fingerprint recognition: demo code for performance evaluation (gabor filter, can i get matlab code..., fingerprint recogniti...)

deg2rad(ingresso)

codice_au.m

codice_b.m