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updated 12 hours ago

SELCTIVE RECURSIVE TEMPORAL FILTER for video denoising by debasish

Simple temporal filter for 3D video denoising based on motion estimation (video denoising, image processing, temporal filter)

recursive_temp(Y)

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updated 3 days ago

Easy 'n fast smoothing for 1-D to N-D data by Damien Garcia

SMOOTHN allows automatized and robust smoothing in arbitrary dimension w/wo missing values (image processing, signal processing, statistics)

smoothn(varargin)

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updated 3 days ago

Light Field Toolbox v0.1 by Donald Dansereau

A set of tools for working with light field (aka plenoptic) imagery in Matlab (light field, plenoptic, lytro)

...

...

...

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updated 3 days ago

Rekursive Erweiterte Fehlerquadrate-Identifikationsmethode by Abdelmonem Dekhil

Die Rekursive Erweiterte Fehlerquadrate-Identifikationsmethode dient zur Systemparameterschaetzung. (system identification, modeling, data exploration)

rels_systemidentification(y,u,na,nb)

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updated 6 days ago

iPeak: Interactive Peak Detector (Version 5.3) by Tom O'Haver

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

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

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

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

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updated 8 days 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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updated 10 days ago

K means clustering for Image Compression by Vinay Kumar Tadepalli

K-means clustering is a popular vector quantization method for data compression. (image processing, demo, mathematics)

Kmeans_Pre_Post.m

kmeans_clustering.m

Image_kmeans_main.m

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updated 13 days ago

binning a point cloud, 3D scattered data, in the X-Y plane by Stephan Koehler

Take a set of XYZ points, and returns average Z values for corresponding bins in X & Y planes. (image processing, signal processing, statistics)

binXYZonXY( x_bin_edges, y_bin_edges, x, y, z, flag4std, to...

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updated 13 days ago

Probabilistic Non-Local Means by Yue Wu

This code implements the probabilistic non-local means algorithm for image denoising. (kernel estimation, denoising, signal processing)

PNLM(ObsImg,PatchSizeHalf,WindowSizeHalf,EstSigma,RhoSq)

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updated 16 days ago

Covert polynomial roots to coefficients by Oren

Converts a list of a polynomials roots to the polynomials coefficients, using FFT. (signal processing, mathematics)

Roots2Coeff(R)

R2C_demo.m

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updated 16 days ago

Polynomial roots to coefficients by Oren

Converts a list of a polynomials roots to the polynomials coefficients (mathematics, signal processing)

Roots2Coeff(R)

R2C_demo.m

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updated 17 days ago

IEF, Image enhancement factor by Suraj Kamya

Image enhancement factor (ief, image enhancement fac..., image processing)

[out]=IEF(orgimg,nimg,dimg)

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updated 17 days ago

BER, Bit error rate by Suraj Kamya

Bit Error Rate (ber, bit error rate, quality measure)

[out]=Biter(orgsig,exsig)

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updated 17 days ago

TAF,Tamper Assessment Function by Suraj Kamya

Tamper Assessment Function (taf, tamper assessment fun..., quality measure)

[T]=TAF(w,wex)

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updated 17 days ago

Fast Kernel Density Estimator (Multivariate) by Matej Kristan

A very fast multivariate bandwidth calculation for KDE that can even be calculated from a GMM. (kernel density estima..., gaussian mixture mode..., bandwidth)

applyForScaleTransformToPdf( pdf0, Mu, T )

applyInvScaleTransformToPdf( pdf0, Mu, T )

checkcompiledBWestimator()

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updated 17 days ago

PSNR, Peak Signal to Noise Ratio by Suraj Kamya

Peak Signal to noise ratio (psnr, peak signal to noise ..., quality measure)

[out]=PSN(orgimg,mimg)

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updated 17 days ago

quadratic equation interpolation by Sherif Omran

assume you have a quadratic equation y=ax^2+bx+c.This script determines a, b , c (s, mathematics, measurement)

[a,b,c]=Quadratic(x,y)

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updated 17 days ago

detect the Peak or valley in a 1 D signal by pang jianfei

%To detect the Peak or valley in a 1 D signal;with some parameter for select (signal processingpeak..., peak, valley)

ind=Peak_Valley(y,T,d,p_v)

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updated 18 days ago

UD Factorization & Kalman Filtering by Gerard Van Willigenburg

UD and LD factorization of nonnegative matrices and associated Kalman filter implementations. (ldl factorization, control design, kalman filter)

[P,K,xhat]=kmfmu(c,w,P,xhat,y)

[P,xhat]=kmftu(Phi,V,P,xhat,Gam,u)

[l,d]=ld2ld(ld)

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updated 20 days ago

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)

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updated 21 days ago

Time-frequency coherency by Tjeerd

Computes the complex-valued time-frequency coherency between two signal vectors (signal processing, timefrequency analysi..., coherence)

tfcohf(x,y,nfft,spec_win,sm_win,tstep,fs)

tfcohf2(x,y,nfft,spec_win,tstep,fs)

tfcohf3(x,y,nfft,spec_win,sm_win1, sm_win2,tstep,fs)

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updated 21 days ago

deOliveira wavelets by Hélio de Oliveira

cdeo is the complex wavelet (type 5), deo is an orthogonal infinitely regular wavelet (type 3) (signal processing, wavelet toolbox)

cdeoinfo

cdeowavf(varargin);

deoinfo

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updated 22 days ago

Overlap Save Method using Circular Convolution Technique by Sourangsu Banerji

Performs convolution using the Overlap Save Method with the Circular convolution. (communications, signal processing)

y=mycirconv1(x,h)

Overlap_Save_Method.m

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updated 22 days ago

Overlap Add Method using Circular Convolution Technique by Sourangsu Banerji

Performs convolution using the Overlap Add Method with the Circular convolution. (communications, signal processing)

y=mycirconv(x,h)

Overlap_Add_Method.m

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updated 22 days ago

Fourier series with taper by Hélio de Oliveira

Compute Fourier series with Tukey tapers and standard Fourier series for a number of signals (signal processing, mathematics, communications)

Contato(varargin)

ProjetoMM1C(varargin)

Sobre(varargin)

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updated 23 days ago

CellSort by Eran Mukamel

Toolbox for automated sorting of cellular calcium signals from optical imaging data. (independent component..., signal processing, image processing)

CellsortApplyFilter(fn, ica_segments, flims, movm, subtract...

CellsortChoosePCs(fn, mixedfilters)

CellsortFindspikes(ica_sig, thresh, dt, deconvtau, normaliz...

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updated 25 days ago

2D Bandwidth Estimator for KDE by Matej Kristan

2D kernel density estimator from weighted data. (statistics, signal processing, kernel density estima...)

col_sum( a )

cols(a)

conf2mahal(c, d)

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updated 29 days ago

Tapering of 2D matrices by Christian Jensen

Performs gradual tapering of matrices (image processing, signal processing, statistics)

mattaper(X,tf,w,s)

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updated 29 days ago

Sound file converter GUI by Christopher

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

ConverterPanel(varargin)

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updated 1 month ago

Brain Message v 1.0 to write secret messages into fMRI by Vanessa

Write secret messages in fMRI data to be uncovered with independent component analysis (fmri, ica, independent component...)

BrainMessage(message,outname)

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updated 1 month ago

Zernike radial polynomials via Kintner's method by Mohammed Sadeq Al-Rawi

Fast computation of Zernike radials (digital image process..., signal processing, simulation)

zernike_radial_polynomials_kintner(n, m, r)

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updated 1 month ago

iSignal 2.7 by Tom O'Haver

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

pY=isignal(DataMatrix,xcenter,xrange,sm,sw,em,dm,rm,s1,s2,s...

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updated 1 month ago

Legendre wavelets by Hélio de Oliveira

installing Legendre wavelets in the MATLAB wavelet toolbox. (wavelet toolbox, signal processing, image processing)

legdinfo

legdwavf(wname)

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updated 1 month ago

Adaptive Track Engine by W. Owen Brimijoin

Determines what changes you should make to the signal during a psychoacoustic adaptive track. (psychoacoustics, adaptive track, experiment design)

adaptive_track_engine(answers,steps,n_reversals,rules)

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updated 1 month ago

Lloyd max quantizer,plots,mse by Kushagra Singhal

Lloyd max quantizer,plots,mse (lloyd max quantizer, loyd max, mse)

cent( mint,mfin,sig,k,levels )

mew( min,max )

LMAX.m

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updated 1 month ago

Find values in a vector or function by Adrian Lara-Quintanilla

For a function y=f(x), this script looks for all the "x" values for a desired value of "y" (y0). (mathematics, data exploration, time series)

varargout=findvalues(vector,yvalue)

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updated 1 month ago

Hierarchical RGB IMage Compression with GUI by Amarjot

The code performs Hierarchical image Compression on RGB image and presents the results with a GUI (image processing, signal processing, communications)

V=downSample (Val)

V=upSample(Val)

[s1,s2,s3]=jpeg(sBmp,quality,showDetail)

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updated 1 month ago

Image segmentation using Marr Hilderth Filter by Amarjot

The code compute the edge map of a grayscale image using Marr Hilderth Filter (image processing, signal processing)

[Ioutput]=zerocrossing(Izerosmooth)

filtering(I1)

marrfilter(I)

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updated 1 month ago

Contemporary Communications Systems Matlab Files by Omar Ruiz

Matlab Files in this book (signal processing, simulink, simulation)

[M,m,df]=fftseq(m,ts,df)

[Rx]=Rx_est(X,M)

[X]=gaus_mar(X0,rho,N)

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updated 1 month ago

Canny Edge Detector by Amarjot

The code computes the edge map for a grayscale image using canny detector (image processing, signal processing)

[Ie1]=gradingedges(Ie,Tl,Th)

[Ifinal]=connectingedge(Ie1,Th,Tl)

[Isup]=nonmaximalsupression(I,theta)

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updated 1 month ago

BER of M-QAM over Rayleigh channel by Sourav Mondal

This program gives simulated results of BER over Rayleigh fading channel. (communications, data import, data export)

QAM_rayleigh(M, EbNodB)

qam_run.m

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updated 1 month ago

N-Dimensional Trapezoidal integral by Mohammed Sadeq Al-Rawi

See title. (communications, biotech, image processing)

trapezoidal_rule_nd_integral(x, mat, N)

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updated 1 month ago

3D Trapezoidal Rule by Mohammed Sadeq Al-Rawi

This program can be used to find any triple integral, even if one has some empirical data. (mathematics, simulation, image processing)

trapezoidal_rule_triple_integral(x, y, z, mat)

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updated 1 month ago

2D trapezoidal rule by Mohammed Sadeq Al-Rawi

Calculates a double integral using trapezoidal rule. (optimization, double integral, signal processing)

trapezoidal_rule_double_integral(x, y, mat)

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updated 1 month ago

Software for hyper-spectral data pre-processing by Gianluca

The software offers a user-friendly tool (based on two GUIs) for pre-processing reflectance spectra (data export, signal processing, data import)

[L_onda,S_norm]=convex_hull_spectra(choise_asdtype,FileName...

[dati]=read_asd_v2(FileName,FilePath)

call_ch_removal(varargin)

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updated 1 month ago

Graph Cut for image Segmentation by Amarjot

The code segments the grayscale image using graph cuts. (image processing, signal processing, segmentation)

graphcuts(I,pad,MAXVAL)

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updated 1 month ago

RGB Image Compression by Amarjot

The code computes the spatial compression on R G B components for a RGB image. (image processing, signal processing, communications)

DCTcompressioncroma(cb)

DCTcompressionluma(Y)

[d,c]=runenc(x);

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updated 1 month ago

Fast 2D peak finder by natan

Find local maxima \ peak position in noisy 2D array (peakfind, peak, local maxima)

cent=FastPeakFind(d, threshold, filt ,edg, fid)

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updated 1 month ago

Traffic Warning Sign Recognition Matlab Code by Muhammad Ammad

Traffic Warning Sign Recognition Matlab Code using matlab demo from the matlab 7.5 in video processc (blob analysis, detection, recognition)

main

x=blobAnalysis(a)

Yield.avi

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updated 1 month ago

Nadaraya-Watson smoothing by Jan Motl

A non-parametrical regression (smoothing) tool using Gaussian kernel. (regression, smoothing, smooth)

[smoothed score h]=smoothing(ydata,varargin)

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