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updated 10 hours ago

RViewer by Tony Davis

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

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updated 1 day 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 1 day 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 1 day 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 days 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 4 days ago

Zero crossing with hysteresis by Noam Greenboim

Find zero crossing of a vector or a matrix with hysteresis thresholds (signal processing, zero crossinghysteres...)

ZCwHyst(vec_in, hist_l, hist_h, figh)

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updated 4 days ago

Oscillator and Signal Generator by W. Owen Brimijoin

A simple command-line function for generating standard waveforms, click trains and noise bursts. (signal generator, signal processing, oscillator)

oscillator(varargin)

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updated 11 days ago

conv_322.m by marco suarez

function to convolution of signals (signal processing)

conv_322(x,x_start,h,h_start,delta);

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updated 11 days ago

OSCAR by Jerome Degallaix

An optical FFT code to simulate Fabry Perot cavities with arbitrary mirror profiles (chemistry, physics, fft)

HermitePolynomial(n, x)

LGcoefficient(mat, p, l, lambda, w, curv, gridsize)

LaguerrePolynomial(p, l, x)

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updated 11 days ago

fulldiff.m by Timothy Jorris

Symbolically computes full derivative wrt time using chain rule and time variables. (symbolic math, full, derivative)

dout=fulldiff(varargin)

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updated 15 days ago

Convolutive BSS by Reju VG

Underdetermined Convolutive Blind Source Separation via Time-Frequency Masking (blind source separati..., signal processing, convolutive bss)

Mask_by_Kmeans_on_theta(theta,Nc)

TF_domain_BSS(mixture,K,ovlp,Nsources,ByKmeans)

U=solve_permutation_by_kmeansCorr_construct_output(MASK,Y...

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updated 15 days ago

TimeStr by Stephen Cobeldick

String representation of time in HH:MM:SS.SSSS format. (time, date, datenum)

timestr(dtn,prc)

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updated 15 days ago

Adjustable Window with 12 dB/Octave Sidelobes by Jim

User-Commanded Mainlobe Width, 12 dB/Octave Roll-Off Instead of 6 dB or 0 dB (window, window function, weighting)

w=win12(n,f0)

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updated 16 days ago

calibration OT based AR spectrum.m by Zi-Qiang Wang

Calibration of optical tweezers based on an autoregressive model (optical tweezers, calibration, ar spectrum)

modern_spectral_estimation()

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updated 16 days ago

iPeak: Interactive Peak Detector (Version 6) by Tom O'Haver

Keypress operated interactive peak detector function. (analytical chemistry, chemistry, instrumental analysis)

FPB=findpeaksb3(x,y,SlopeThreshold,AmpThreshold,smoothwid...

P=findpeaks(x,y,SlopeThreshold,AmpThreshold,smoothwidth,p...

P=findpeaksE(x,y,SlopeThreshold,AmpThreshold,smoothwidth,...

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updated 18 days ago

TFIData.m by Joshua Hundley

Creates TFI surface of data set fit with splines along the rows and columns of the data set (interpolation, transfinite interpola...)

TFIData(x, y, X, Y, Z)

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updated 18 days ago

Chebfun V4 by Chebfun Team

Numerical computation with functions instead of numbers. (numerical analysis, interpolation, approximation)

absTest

ad_basic

ad_basic2

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updated 21 days ago

Peak Fitter by Tom O'Haver

Command-line peak fitter for time-series signals. Version 5.4, June, 2014 (chemistry, curve fitting, decomposition)

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

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updated 21 days ago

Replacement Window Functions by Jim

Well-Behaved Implementations of Seven Common Window Functions (window, window function, weighting)

w=blackman(n)

w=blackmanharris(n)

w=flattopwin(n)

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updated 23 days ago

timestr by Michelle Hirsch

String representation of time in HH:MM:SS.SSSS format. (strings, time, second)

timestr(D,precision)

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updated 23 days ago

timetick by Michelle Hirsch

Time formatted tick labels. (strings, time, second)

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updated 25 days ago

Convert seconds to human readable string(s) by Rody Oldenhuis

Convert an amount of seconds to hours/days/weeks/etc. (hours, week, days)

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updated 25 days ago

interpm2 by Chad Greene

Densify or interpolate along paths with approximately equal spacing in meters or kilometers. (interpm, interpolation, mapping)

interpm2(lat,lon,maxdiff,method,units,tolerance)

interpm2

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updated 25 days ago

Automated EEG Repair Tool by Kristjan-Julius

Automatically detects and repairs EEG data that is noisy or contains artifacts (eeg, interpolation, automatic)

coreEXE( cfg, data )

defineBadNeigh( cfg, eeg_data )

detectionAlgorithm( prestim, freq, eeg_data )

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updated 29 days ago

clarke.m by Aravazhi Anbarasu

Clarke Transform (alphabeta transform, power electronics, signal processing)

[a b o]=clarke(abc)

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updated 29 days ago

inv_clarke.m by Aravazhi Anbarasu

Inverse Clarke (alpha beta transform, power electronics, control design)

[a b c]=inv_clarke(ab0)

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updated 1 month ago

FYP1.m by Imran Hayder

Matlab GUI based waveform generator- generates waveforms like sine, cos, pwm, etc with desired param (waveform, generator, signal processing)

FYP1(varargin)

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updated 1 month ago

Gaussian interpolation with successive corrections by OUC Polar

Code for Gaussian Interpolation with successive corrections (interpolation, gaussian)

gaussian_interpolation.m

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updated 1 month ago

PicoScope® 5000 Series - MATLAB® Generic Instrument Driver by Pico Technology

MATLAB Instrument Driver for use with PicoScope 5000 Series oscilloscopes (instrument driver, matlab, measurement)

[methodinfo,structs,enuminfo,ThunkLibName]=ps5000aMFile

[methodinfo,structs,enuminfo,ThunkLibName]=ps5000aMFile

[methodinfo,structs,enuminfo,ThunkLibName]=ps5000aWrapMFile

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updated 1 month ago

A-weighting filter with Matlab Implementation by Hristo Zhivomirov

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

filterA(x, fs, plotFilter)

example.m

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updated 1 month ago

RegularizeData3D by Jamal

Produces a smooth surface from scattered 3D input data. (3d data, regularizing, approximation)

RegularizeData3D(x,y,z,xnodes,ynodes,varargin)

TestRegularizeData3D_Bicubic_vs_Bilinear.m

TestRegularizeData3D_Coarse_v_Fine_Output_Grids.m

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updated 1 month ago

Bezier Curves (and interactive tools) by Adrian

A matlab class for handling n-dimentional bezier curves, parametrized by control points. (bezier curves, matlab, interpolation)

bezier

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updated 1 month ago

Interpolation of a signal with Matlab Implementation by Hristo Zhivomirov

Interpolation in the time domain via zero-padding in the frequency domain. (signal processing)

interpolate(x, intfact)

example.m

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updated 1 month ago

SINIDE - Parameter identification of a sine-wave from a measured signal by Miroslav Balda

Frequency, amplitude, phase shift and mean value of the best sinus fit to a sampled signal. (signal processing, parameter identificat..., harmonic process)

sinide(y,fs,ipr,varargin)

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updated 1 month ago

findpeaks2.m by Sudipta Das

Find all the peaks of a surface excluding NaN. (surface, mathematics, maximum)

[y,ind]=findpeaks2(P)

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updated 1 month ago

FFT_list.m by Rashmil Dahanayake

Performs a FFT analysis for a signal and lists the magnitudes and phase values. (fft, sub harmonics, thd)

fft_list( signal ,time ,varargin )

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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 month ago

Recurrence quantification analysis (RQA) by Gaoxiang Ouyang

Recurrence quantification analysis (RQA) of recurrence plots (RPs) (recurrence quantifica..., recurrence plot rps, signal processing)

RPplot(P,m,t,r,index)

RPplot_FAN(P,m,t,T,index)

Recu_RQA(RP,I)

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updated 1 month ago

HARMFIT: Sinusoidal harmonic curve fitting by François Beauducel

Computes harmonics of a phase signal (signal processing)

harmfit.m

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updated 1 month ago

transformation_al_be_to_d_q_inverse.m by Aubai

transfer from d-q to Alpha,Beta (matlab, signal processing, simulink)

transformation_al_be_to_d_q_inverse (d,q,o,wt,Alignment)

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updated 1 month ago

transformation_al_be_to_d_q.m by Aubai

Alpha, Beta to d,q transformation (matlab, signal processing, simulink)

transformation_al_be_to_d_q (Alpha,Beta,Zero,wt,Alignment)

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updated 1 month ago

Park_transformation_inverse.m by Aubai

Park_transformation_inverse (matlab, signal processing, simulink)

Park_transformation_inverse(d,q,o,wt,Alignment)

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updated 1 month ago

Park_transformation.m by Aubai

Park_transformation (matlab, signal processing, simulink)

Park_transformation(u1,u2,u3,wt,Alignment)

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updated 1 month ago

Clarke_transformation_inverse.m by Aubai

Clarke_transformation_inverse (matlab, signal processing, simulink)

Clarke_transformation_inverse(Alpha,Beta,Zero)

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updated 1 month ago

Clarke_transformation.m by Aubai

Clarke_transformation (matlab, signal processing, simulink)

Clarke_transformation(u1,u2,u3)

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updated 1 month ago

PID_fun.m by Aubai

An PID controller (matlab, mathematics, signal processing)

PID_fun(kp,kI,kD,Input,time,Compare)

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updated 1 month ago

Instantaneous_power_mfile.m by Aubai

Three-phase instantaneous power calculater (matlab, signal processing, simulink)

Instantaneous_power_mfile(u1,u2,u3,I1,I2,I3)

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updated 1 month ago

Information-based Similarity Toolbox by Albert Yang

Information-based similarity index is an analysis of measuring distance between symbolic sequences (statistical physics, information theory, distance)

binmapping(signal)

checkfiletype(filename)

ibs(wrf1,wrf2)

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updated 1 month ago

ifilter: Interactive Fourier filter function, version 4 by Tom O'Haver

Keyboard-operated interactive Fourier filter function for time-series signals. (communications, measurement, signal processing)

ry=ifilter(ix,iy,icenter,iwidth,ishape,imode,ifilt)

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updated 1 month ago

PCA Based Face Recognition System Using ORL Database by Shujaat Khan

This Package implements 'Eigenface' PCA based face recognition technique. (appearance based face..., eigenface, face recognition)

Image_Projection(T,M,Eigenfaces )

PCA_Core(Tr,M,dimensions)

PCA_NEW(Tr,Ts,TrNum,TsNum,dimensions,sno)

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