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updated 2 hours ago

Chebfun by Chebfun Team

Chebfun is an open-source package for numerical computation with functions to 15-digit accuracy (approximation, interpolation, quadrature)

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updated 4 days ago

Extended DFT by Vilnis Liepins

Program EDFT produce high-resolution N-point DFT for N greater than the length of data vector. (spectral analysis, fft, dft)

Y=inedft(F,fn,tn)

[F,S,Stopit]=edft(X,N,I,W)

[F,S,Stopit]=nedft(X,tk,fn,I,W)

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updated 12 days ago

josecamachop/MEDA-Toolbox by José

Multivariate Exploratory Data Analysis Toolbox for Matlab (data exploration, matrices, analysis)

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updated 12 days ago

Frequency Domain Filtering by MANISH KUMAR SHARMA

Fourier Transformation and Frequency Domain are used for Filtering (image processing, signal processing, filtering)

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updated 13 days ago

Non-local Means (NLM) denoising for time series, applied to ECG by Brian Tracey

NLM denoising, popular in image processing, is here used for denoising time series data (ECG). (signal processing, nonlocal means, nlm)

NLM_1dDarbon(signal,lambda,P,PatchHW)

createSignalPlusNoise(signal,targetSNR_dB)

lin10(xdb)

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updated 13 days ago

Digital Image Processing Unit - 02.pdf by MANISH KUMAR SHARMA

spatial filtering (image processing, signal processing, computer vision)

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updated 13 days ago

sampling theoremusing simulink.mdl by ABHILASH SINGH

s_t (signal processing, communications)

abhilash

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updated 17 days ago

period.m by 2one

Calculate signal period (signal period, period, signal processing)

period(x,y,tres)

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updated 17 days ago

Gaussian smoothing filter by James Conder

Function to smooth a time series using a Gaussian filter. (gaussian filter, signal processing, smoothing)

gaussfilt( t,z,sigma )

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updated 18 days ago

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)

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updated 19 days ago

sampling_gui.m by ABHILASH SINGH

SAMPLING THEOREM USING GUI (signal processing, communications)

sampling_gui(varargin)

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updated 19 days ago

Impulse response acoustic information calculator by Christopher Hummersone

Calculate RT, DRR, Cte, and EDT for impulse response file (audio, signal processing, reverberation)

IR_stats(filename,varargin)

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updated 20 days ago

Kernel PCA and Pre-Image Reconstruction by Quan Wang

standard PCA, Gaussian kernel PCA, polynomial kernel PCA, pre-image reconstruction (signal processing, large data, dimension reduction)

D=distanceMatrix(X)

K=kernel(X,type,para)

K=kernel_NewData(Y,X,type,para)

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updated 20 days ago

Peak Fitter by Tom O'Haver

Command-line peak fitter for time-series signals. Version 5.7, September, 2014 (chemistry, curve fitting, decomposition)

[FitResults,LowestError,baseline,BestStart,xi,yi,BootResu...

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updated 24 days ago

sampling_theorem.m by ABHILASH SINGH

SAMPLING THEOREM WITH COMMENTS (signal processing)

sampling_theorem.m

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updated 24 days ago

myDFT.m by Mohammad Asif Khan

To compute DFT of a given signal (dft, signal processing, linear algebra)

[y,W]=myDFT(x,N)

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updated 24 days ago

myCirConvMat.m by Mohammad Asif Khan

To perform circular convolution (circular convolution, convolution, signal processing)

[Y,H1]=myCirConvMat(x,h)

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updated 24 days ago

myLinConvMat.m by Mohammad Asif Khan

To perform linear convolution (convolution, linear convolution, toeplitz)

[H,y]=myLinConvMat(x,h)

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updated 25 days ago

AlawCompander.zip by Mohammad Asif Khan

To perform Alaw companding (compander, non uniform quantizat..., alaw)

[C,xmax]=Alaw(x,A)

[C,xmax]=invAlaw(x,A)

[quant,quantnoise]=myquantizer(t,y,L)

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updated 1 month ago

3D trilinear interpolation using GPU by Jun Tan

3D trilinear interpolation using GPU. 20 times faster. (3d trilinear interpol..., interp3, interpolation)

interp3_gpu(x, y, z, v, xi, yi, zi)

test.m

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updated 1 month ago

fshift by Francois Bouffard

Shifts the elements of an array by a (possibly non-integer) given number of elements. (matrices, circular, shift)

fshift.m

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updated 1 month ago

PeakFinder by Nathanael Yoder

Quickly finds local maxima (peaks) or minima (valleys) in a noisy signal. (signal processing, maxima, minima)

peakfinder(x0, sel, thresh, extrema, include_endpoints)

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updated 1 month ago

System objects for live data acquisition by Gabriele Bunkheila

System objects to stream data to and from Data Acquisition hardware (data acquisition, signal processing)

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

InstallMe

DaqBasicAnalogInExample.m

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updated 1 month ago

DIGITAL FILTER GUI by Diego Barragán

DIGITAL FILTER (filter design, filter analysis, filter)

Butterworth.m

Butterworth_bandpass.m

Butterworth_low.m

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updated 1 month ago

iSignal 3.4 by Tom O'Haver

Interactive smoothing, differentiation, peak sharpening and measurement of time-series signals. (signal processing, data import, chemistry)

[pY,PowerSpectrum]=isignal(DataMatrix,xcenter,xrange,sm,s...

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updated 1 month ago

ISO 8601 Date String to Serial Date Number by Stephen Cobeldick

Convert an ISO 8601 Date String to Serial Date Numbers. Auto-detect or select the timestamp style. (calendar date, date, iso 8601)

datenum8601(Str,Tok)

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updated 1 month ago

Date Vector/Number to ISO 8601 Date String by Stephen Cobeldick

Convert a Date Vector/Number to an ISO 8601 Date String. Tokens control the date/time notation. (date, timestamp, iso 8601)

datestr8601(DVN,varargin)

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updated 1 month ago

Unit Converters by Chad Greene

Convert units of pressure, length, time, force, mass, accel., temp, speed, frequency, area, & more! (engineering, units, conversion)

A2au(A)

A2bs(A)

A2cm(A)

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updated 1 month ago

Region Contrast Saliency by Boris Schauerte

(Locally debiased) Region contrast Saliency for salient object detection. (image processing, computer vision, signal processing)

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updated 1 month ago

histnc by Marco Borges

Plot a normalized histogram stylized where the PDF is estimated using the area equal one. (histogram, normalized, distribution)

histnc(varargin)

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updated 1 month ago

3D Linear Interpolation for GPU by Philip

3D Linear Interpolation for GPU (gpu, interpolation, arrayfun)

Vi=interp3gpu(x1,x2,x3,V,x1i,x2i,x3i)

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updated 1 month ago

Graphical User Interface for Solving Ordinary Differential Equations for In-Vitro Infection by Soumya Banerjee

A graphical user interface to solve a set of ordinary differential equations (in-vitro infection) (data import, data export, gui)

odesolver_outline

odecall_eclipse_tcl_jv_local(target,infected1,...

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updated 1 month ago

Power Analysis of Class B Power Amplifier with Matlab Implementation by Hristo Zhivomirov

Power analysis of class B power amplifier operating with complex load and random signal. (signal processing, power analysis)

SiPoLoModelComplexLoad.m

SiPoLoModelResistiveLoad.m

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updated 1 month ago

weighted median filter.pdf by MANISH KUMAR SHARMA

Weighted Median Filter (image processing, signal processing)

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updated 1 month ago

NulceiHomo.zip by Cheng Lu

hybrid morphological reconstruction for pre-processing of nuclei image (image processing, nuclei segmentation, signal processing)

IM_homo=LmakeHomoonRC(IM,bw,strSize)

test.m

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updated 1 month ago

lagrange.m by Peter Cervelli

A pretty fast Lagrange interpolation algorithm (lagrange, interpolation, gps)

lagrange(X,Y,x,order)

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updated 1 month ago

Feature Mutual Information (FMI) Image Fusion Metric by Mohammad Haghighat

A non-reference image fusion metric based on mutual information of image features (image fusion, metric, image fusion metric)

fmi(ima, imb, imf, feature, w)

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updated 1 month ago

flip by Marco Borges

Flip vectors and matrices in all directions (permute, flip, signal processing)

flip(x)

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updated 1 month ago

SerialDataDisplayFront.zip by Deepak

Configurable Serial data processing and display program for interfacing with devices like Arduino (serial, arduino, rs232 plotter)

SerilaDataDisplayFront.m

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updated 1 month ago

Intravascular Near-Infrared Fluorescence (iNIRF) Imaging by Sam Nazari

MATLAB based matched filter is implemented for an iNIRF imaging method (detection, machine learning, signal processing)

[sigma,mu,A]=mygaussfit(x,y,h)

attenuationRadiusRegression(manualSelectFlag,polyFitN)

findOptimalWidth(onlyFirstN,showWhich,templateSignalStats)

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updated 1 month ago

Enhanced Binary Particle Swarm Optimization (BPSO) with 6 new transfer functions by Seyedali Mirjalili

An Enhanced binary Particle Swarm Optimization algorithm (VPSO) with v-shaped transfer functions (particle swarm optimi..., pso, binary particle swarm...)

DrawConvergenceCurves(p,Max_iteration)

MyCost(x)

[gBest,gBestScore,ConvergenceCurve]=BPSO(noP,Max_iteratio...

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updated 2 months ago

An Efficient Median Filter by Arun Kumar

The median filter is used to reduce noise in an image (image filtering, image processing, filter)

pgm.m

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updated 2 months ago

Pitch Detection by Amir Soleimani Bajestani

Recognize musical pitch not only for simple instruments but also for Violin, Cello, Kamanche and etc (neural networks, gui, pitch detection)

actxlicense(progid)

harmonics (center,F,net,lf);

pitch(varargin)

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updated 2 months ago

crossdet by Marco Borges

Detect crossing a threshold into a signal (signal processing, detection, crossing)

crossdet(sig, th, type)

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updated 2 months ago

peakdet by Marco Borges

Detect Peaks and Depressions in a signal (signal processing, detection, peaks)

peakdet(sig, th, type)

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updated 2 months ago

RViewer by Tony Davis

Image Viewer with Interpolation on Zoom, Multiple Sync (image, display, interpolation)

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updated 2 months ago

compute_curvature.m by Kim X

noise removal and curvature computation for planar curves (curvature computation, noise removal, planar curves)

[k kn x_s y_s]=compute_curvature(x,y)

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updated 2 months ago

fourierShapeDescriptor.zip by Weicheng Kuo

Fourier shape descriptors for simple binary region (tutorial, image processing, geometry)

B=fourierShapeDescriptor(A,r)

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updated 3 months ago

window.m by Aravazhi Anbarasu

Window Function for Signal Processing (signal processing, control design, image processing)

window(win_size,type)

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updated 3 months ago

Linear regression for multiple category data with different slopes for each by Soumya Banerjee

The function does OLS and RMA regression on data that is categorized into two different categories (aerospace, biotech, communications)

regress_plot_twocategories_allslope

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