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updated 3 days ago

Curvature Filter by Yuanhao Gong

They behave as filter but can efficiently minimize the Gaussian or mean curvature energy. (image processing, curvature, filter)

BernsteinFilter(im, ItNum)

GCFilter(im, ItNum)

MCFilter(im, ItNum)

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updated 10 days ago

Truncated multivariate normal by Tim Benham

Tim Benham (view profile)

Generates pseudo-random vectors drawn from the truncated multivariate normal distribution. (random, distribution, gaussian)

TruncatedGaussian(sigma, range, varargin)

chebycenter(A,b,r0)

rmvnrnd(mu,sigma,N,A,b,rhoThr)

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updated 11 days ago

unit_1.B Dip_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 18 days ago

Fast Guassian Blur by Royi Avital

Fastest Implementation of Gaussian Blur (image processing, gaussian, signal processing)

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updated 18 days ago

Robust EEG ERP Classification by Sam Nazari

EEG brain activity classification (classification, detection, machine learning)

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updated 27 days ago

Fast Gaussian Point Spread Function Fitting (MEX) by Simon Christoph Stein

Rapid fitting of Gaussian PSF models to a list of candidate positions in an image. (image processing, psf, point spread function)

psfFit_Image.m

psfFit.m

EXAMPLE.m

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updated 1 month ago

Non-Gaussian process generation by E. Ch3yn3t

A non-Gaussian random process is generated from a Gaussian-distributed white noise (random process, cubic transform, gaussian)

EXAMPLE

MBHTM(u,m3,m4)

fitDistEtienne(Data,Nbin,distName)

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updated 3 months ago

Dynamic Gauss seidel iterative method for solving any set of linear equations by Hiskiel Stephanus

A dynamic iterative approach to solving linear equations using the Gauss seidel method (statistics, mathematics, gaussian)

gauss_seidel.m

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updated 3 months ago

mixsamp by Dilshad Raihan

function to generate samples from any Gaussian mixture model (statistics, gaussian, sampling)

mixsamp(W,X,P,N)

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updated 3 months ago

Retinal Vessel Detection by Gabor Transform and Machine Learning, a Tutorial by ted p teng

ted p teng (view profile)

A tutorial on detection of retinal vessels by Gabor transform and machine learning (pattern recognition, vessel segmentaion, machine learning)

Gabor_GLM_FEX.m

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updated 5 months ago

transform data to Gaussian distribution by Geoffrey Goldman

Simple code to transform data to Gaussian distribution (gaussian, distribution, transform)

transform_data.m

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updated 6 months ago

Multirate PLL Model by steed huang

This Simulink mdl-file is to simulate the spectrum for multirate structured Phase Locked Loop. (mathematics, signal processing, simulation)

MultiratePLLv1.mdl

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updated 6 months ago

calc_overlap_twonormal(s1,s2,mu1,mu2,xstart,xend,xinterval) by Danny Kowerko

Numerical calculation of the relatve overlap area of two normal distributions (mathematics, distribution, overlap)

calc_overlap_twonormal(s1,s2,mu1,mu2,xstart,xend,xinterval)

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updated 8 months ago

Gaussian High Pass Filter by Muhammad Ammad

Implementation of high pass filter without using built-in functions. (high pass filter, edge detection, gaussian)

GaussianHighpass

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updated 9 months ago

Faded bar chart by Malcolm McLean

Bar chart add-on that shows the error as a fade-out rather than using error bars. (bar chart, error bars, faded errors)

fadedBar( h, errstd )

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updated 10 months ago

Detection MIMO toolbox by Irene Santos

Compute SER of a MIMO system using different detection algorithms (probability, signal error rate, mimo)

EP.m

ZF_SIC.m

GTA.m

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updated 10 months ago

Mixtures of Experts, Using Gaussian Mixture Models for the Gate by Joseph Santarcangelo

This code implements the mixture of expert’s using a Gaussian mixture model for the gate. (mixture of experts, gaussian, expectation maximizat...)

OutputMixtureofExpertsParametric(Prior, Mu, Sigma,West,X,...

TrainMixtureofExpertsParametric(Target,PHI,X,NumberExpert...

TwoExpertToyData( )

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updated 11 months ago

Image Enhancement by Dr.Varsha Turkar

image enhancement in spatial domain (brightness, image processing, contrast)

conv_dynamic(w)

histogram_eq.m

contrast.m

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updated 1 year ago

SerialDataDisplayFront.zip by Deepak

Deepak (view profile)

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 year ago

edge_detection_using_LoG.zip by Devinder

Devinder (view profile)

Edge Detection using Laplacian of Gaussian (edge detection, image processing, laplacian)

find_edges(img,step_size,sigma)

run_edge_det()

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updated 1 year ago

Gaussian interpolation with successive corrections by OUC Polar

OUC Polar (view profile)

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

gaussian_interpolation.m

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updated 1 year ago

Bilateral Filter by Suraj Kamya

Edge-preserving and noise-reducing smoothing filter for images. (bilateral filter, nonlinear, edge preserving)

IEF(orgimg,nimg,dimg)

PSN(orgimg,mimg)

bif(im,sigd,sigr,n)

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updated 1 year ago

Retouching Depth of Field using Depth based Selective Gaussian Blurring by S Mukherjee and R Guddeti by Subhayan Mukherjee

Altering the depth of field of an image based on a supplied depth map and user's depths of interest. (blur, gaussian, depth of field)

depth_blur(im_src, depth_map, depth_focus, blur_rate)

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updated 1 year ago

3D Gaussian ellipses constant probability curves by Hugo

Hugo (view profile)

Construct data points of ellipsoids depicting contour curves of 3-dimensional Gaussian distributions (contour curves, covariance matrix, data points)

ellipsedata3(covmat,center,numpoints,sigmarule,varargin)

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updated 1 year ago

Gaussian ellipses constant probability curves by Hugo

Hugo (view profile)

Construct data points of ellipses representing contour curves of bivariate Gaussian distributions. (gaussian, probability, contour curves)

ellipsedata(covmat,center,numpoints,sigmarule,varargin)

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updated 1 year ago

Generating Gaussian Filter 2D Matrix by Duc Chung Tran

The function is used to generate Gaussian Filter 2D Matrix. (gaussian, filter, matrix)

Gaussian_filter(Filter_size, sigma)

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updated 1 year ago

Integrals of gaussian against quadratic exponential by Peter Cotton

Integrals of gaussian against quadratic exponential (gaussian)

truncatedExp( mu, sgm, x1, x2, a0, a1, a2 )

truncatedExpMc( m, sgm, x1, x2, a0, a1, a2 )

test_truncatedExp.m

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updated 1 year ago

Gaussian Elimination with Pivoting Method by Cheuk

Cheuk (view profile)

Function uses Gauss elimination with pivoting to solve a linear system in standard format. (linear, algebra, gaussian)

GAUSS_ELIM(A, b)

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updated 1 year ago

Patch Curvature by Dirk-Jan Kroon

Dirk-Jan Kroon (view profile)

Principal, Gaussian and Mean Curvature of triangulated mesh (curvature, gaussian, principal)

patchcurvature(FV,usethird)

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updated almost 2 years ago

probability density function of (Gaussian Normal Distribution) by Jamal Ahmad

Gaussian Normal Distribution is one of the most popular distributions that is widely used. (gaussian normal distr..., pdf, probability)

normal_gaussian_pdf.m

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updated almost 2 years ago

Finite Difference Beam Propagation Method by Edgar Guevara

Edgar Guevara (view profile)

Gaussian pulse propagated in free space using FDBPM (chemistry, physics, fdbpm)

FDBPM_free_space.m

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updated 2 years ago

Fit 2D Gaussian with Optimization Toolbox by Nathan Orloff

Fit a 2D rotated gaussian. http://en.wikipedia.org/wiki/Gaussian_function (image processing, optimization, signal processing)

fmgaussfit(xx,yy,zz)

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updated 2 years ago

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

R P (view profile)

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

spikegauss(timestamps,srate,min_timevec,max_timevec,alpha)

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updated almost 3 years ago

Image Noise Reduction by Local Statistics by Tristan Ursell

Tristan Ursell (view profile)

Reduce image noise by measuring local pixel statistics and remapping intensities. (image processing, image, noise)

relnoise(Iin,sz,sigma,varargin)

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updated 3 years ago

Create a Simulated Image of Diffraction Limited Spots with Noise by Tristan Ursell

Tristan Ursell (view profile)

Create images with diffraction-limited spots of varying size and intensity, with noise. (image, create, creation)

spotmaker(im_sz,num_spots,varargin)

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updated 3 years ago

EM algorithm for Gaussian mixture model by Mo Chen

Mo Chen (view profile)

EM algorithm for Gaussian mixture. Works on arbitray dimensions with high speed and precision. (em, gmm, mle)

emgm(X, init)

logsumexp(x, dim)

spread(X, label)

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updated 3 years ago

Variational Bayesian Inference for Gaussian Mixture Model by Mo Chen

Mo Chen (view profile)

Variational Bayes method (mean field) for GMM can auto determine the number of components (bayesian, variational, gaussian)

logmvgamma(x,d)

logsumexp(x, dim)

spread(X, label)

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updated 3 years ago

Gaussian-normally distributed random data by Nassim Khaled

Nassim Khaled (view profile)

it helps the user generate a normally distributed random set of data and then fit a Gaussian curve (gaussian, random, normal)

normrnd_normfit(MU,SIGMA,Length_Data,nb_bins)

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updated 3 years ago

Color Clustering Matlab by GAGAN

GAGAN (view profile)

Computes the clusters of Pixels based upon their color. (color, color matlab, clustering)

binary_quant.m

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updated 3 years ago

Gauss elimination with complete pivoting by Nickolas Cheilakos

This function calculate Gauss elimination with complete pivoting (linear algebra, gauss, gaussian)

gecp(A)

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updated 3 years ago

ARMAX-GARCH-K Toolbox (Estimation, Forecasting, Simulation and Value-at-Risk Applications) by Alexandros Gabrielsen

ARMAX-GARCH-K Toolbox (garch, gjrgarch, egarch)

garchlik.m

agarchcore(parameters, data, ar, ma, x, p, q, y, m, z, v, T)

apgarchcore(parameters, data, ar, ma, x, p, q, y, m, z, v...

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updated almost 4 years ago

Log Multivariate Normal Distribution Function by Benjamin Dichter

outputs log likelihood array for series of observations x where x_n ~ N(mu,Sigma) (gaussian, normal distribution, probability)

logmvnpdf(x,mu,Sigma)

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updated almost 4 years ago

Auto Gaussian & Gabor fits by Patrick Mineault

Fit 1D/2D Gaussian or Gabor to a curve/surface without start guesses for params (gaussian, curve fit, global optimization)

autoGaborSurf(xi,yi,zi,opts)

autoGaussianCurve(xi,zi,opts)

autoGaussianSurf(xi,yi,zi,opts)

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updated 4 years ago

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

Bruce Raine (view profile)

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

plotImpulses(inFile)

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updated 4 years ago

Fast Gaussian Transform mex implementation by Sebastien PARIS

Mex inplementation of the FGT transform (statistics, probability, fgt)

test_fgt

mexme_fgt.m

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updated 4 years ago

1-D Gaussian peak and valley detector by Vidya Murali

Detects peaks and valleys in a 1-D signal (gaussian, peak detector, valley detector)

gderiv(data,sigma,w)

peak_valley_detector(d, ker_sz, sigma, width)

test_peak_valley_detector.m

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updated 4 years ago

Illustration of the Central Limit Theorem by Choqueuse Vincent

This script illustrates the central Limit theorem. (central limit theorem, statistics, gaussian)

illustration_CLT.m

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updated 4 years ago

BER Curve for QPSK in Gaussian Environment by Shah Gul Khan

Shah Gul Khan (view profile)

QPSK Modulation BER Curve (qpsk, ber, ber vs snr)

BER_QPSK_in_Gaussian_Environment.m

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updated 4 years ago

BER Curve for BPSK in Gaussian Environment by Shah Gul Khan

Shah Gul Khan (view profile)

This program calculates BER for BPSK in Gaussian Environment. (ber, bpsk, gaussian)

BER_BPSK_in_Gaussian_Environment.m

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updated almost 5 years ago

Image noise generation by Michael Chan

Michael Chan (view profile)

Illustrates different noise type generation of different severity on images (noise, generation, gaussian)

imagePlot( imageData, plotRowSize, plotColSize, ...

imageQualityIndex

noisyImageGeneration(IMG, mean, sigma, offset, dilationFi...

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