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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

Image Interpolation by Sunil Jaiswal

Implementation of image Interpolation (http://ihome.ust.hk/~spjaiswal/image_interpolation.html) (interpolation, image processing, super resoultion)

nedi_demo(x1)

proposed_algorithm(y1,y2,sun_spia_spia,org_sai_small,or_i...

sri(x,level)

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updated 5 days ago

Multirate DPLL Model by steed huang

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

MultirateDPLLv2.mdl

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updated 5 days 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 7 days ago

A simple system for automatic test processing and exam scoring. by Diego Barragán

Diego Barragán (view profile)

A simple and efficient GUI program for automatic test processing and exam scoring. (image processing, signal processing, gui)

automatic_exam_scoring.m

input_student_data.m

b_questions_block(rec1)

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updated 7 days ago

dst(y) by Koorosh Gobal

Calculate the discrete sine transform of a vector 'y' (image processing, signal processing, differential equation...)

dst(y)

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updated 7 days ago

SuperresolutionDemo by Baraka Maiseli

An improved version of the Super-resolution application developed by P. Vandewalle et al. (image processing, signal processing, superresolution)

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updated 9 days ago

idst(a) by Koorosh Gobal

Calculate the inverse sine transform of vector 'a'. (image processing, signal processing, cfd)

idst(a)

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updated 9 days ago

Fast mutual information of two images or signals by Jose Delpiano

Optimized function for mutual information of two images or signals (geometric transformat..., image registration, mutual information)

hist2(A,B,L)

mi(A,B,varargin)

mi_test.m

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updated 10 days ago

Binary To Decimal Conversion and Decimal To Binary Conversion by Said BOUREZG

Said BOUREZG (view profile)

Binfar2Dec.m Dec2Binfar.m Readme.m (image processing, signal processing, communications)

Binfar2Dec(code)

Dec2Binfar(Tcod8,DIFLcd)

Readme.m

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updated 13 days ago

GUI for video capture & image processing. by Diego Barragán

Diego Barragán (view profile)

Video capture & image processing. (image processing, signal processing, computer vision)

Video_capture.m

sel_camera(varargin)

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updated 14 days ago

Function to perform Bayesian LASSO by Soumya Banerjee

Function to perform Bayesian LASSO (least absolute shrinkage and selection operator) (signal processing, mathematics, statistics)

bayesian_lasso_generic(X,Y)

call_bayesian_lasso()

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updated 15 days ago

Filter Bank Design by Iman

Iman (view profile)

This function can be used to design uniform and non-uniform filter banks. (filter bank, perfect reconstructio..., uniform filter bank)

A_gerenator(x,Beta,Sigma_dictionary,M)

Beta_dictionary(M,nk)

Filter_Bank_Design(nk,ratio,transition_factor,N,ro,iterat...

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updated 19 days ago

dst2 2-D discrete sine transform by Said BOUREZG

Said BOUREZG (view profile)

dst2, idst2 discrete sine transform and its inverse (image processing, simulink, signal processing)

dst2(arg1,mrows,ncols)

idst2(arg1,mrows,ncols)

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updated 21 days ago

CUBIC INTERPOLATION METHOD by Sleeba Paul

A non linear optimization using the Cubic Interpolation Method (nonlinear, cubic, interpolation)

cubic.m

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updated 21 days ago

WebCam (AVI video) color tracking by Diego Barragán

Diego Barragán (view profile)

WebCam (AVI video) color tracking (image processing, signal processing, gui)

color_tracking.m

sel_camera(varargin)

blue.avi

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updated 23 days ago

Tracking pupil using image processing. by Diego Barragán

Diego Barragán (view profile)

Tracking pupil using image processing from .avi video. (image processing, signal processing, computer vision)

main.m

irisavi.avi

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updated 25 days ago

DSTMTX Discrete sine transform matrix by Said BOUREZG

Said BOUREZG (view profile)

DSTMTX (image processing, signal processing, simulation)

dstmtx(n)

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updated 25 days ago

WindowsDemo by HelloScience

An interesting example for revealing the new properties of the windows. (signal processing, optimization)

OptimizedWindowDemo

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updated 27 days ago

Traffic surveillance using image processing. by Diego Barragán

Diego Barragán (view profile)

Traffic surveillance using image processing (image processing, signal processing, computer vision)

counter_vhcl(im_ent,back_ground,threshold,lim_row,lim_col)

vehicle_counting.m

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updated 28 days ago

A surveillance system based on image processing. by Diego Barragán

Diego Barragán (view profile)

A surveillance system based on image processing. (image processing, signal processing, computer vision)

spycam.m

datos(varargin)

sel_camara(varargin)

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updated 29 days ago

Webcam Based Laser Rangefinder. by Diego Barragán

Diego Barragán (view profile)

This application measures the distance from the webcam to a point in front. (image processing, signal processing, robotics)

rangefinder.m

detect_fcn(I,lim)

sel_camera(varargin)

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updated 29 days ago

Tools for 2-D Tomographic Reconstruction by Ligong Han

Tools for nonlinear filters & 2-D tomographic reconstruction (signal processing, image processing, reconstruction)

anisodiff(u, n_iter, tao, lambda, option)

bilateral_filter(u, n_iter, gn, lambda_s, lambda_r, option)

bpf(f, sf, BL, BH)

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updated 30 days ago

Moving object tracking based on background subtraction. by Diego Barragán

Diego Barragán (view profile)

Image processing application that detects the movement of an object. (image processing, signal processing, image)

object_tracking.m

compare(input_image,background,threshold)

sel_camera(varargin)

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updated 1 month ago

inpolygons by Kelly Kearney

Kelly Kearney (view profile)

Finds points inside multiple polygons, holes possible. (approximation, interpolation, polygon)

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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

Gabor Feature Extraction by Mohammad Haghighat

This program generates a custom Gabor filter bank; and extracts the image features using them. (gabor, image processing, computer vision)

gaborFeatures(img,gaborArray,d1,d2)

gaborFilterBank(u,v,m,n)

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updated 1 month ago

Shape recognition using 2-D correlation by Diego Barragán

Diego Barragán (view profile)

Shape recognition using 2-D correlation. Input images are read from webcam. (shape recognition, image processing, signal processing)

rec_shapes.m

clip_shape(imagen)

read_shape(imagn)

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updated 1 month ago

Command-line peak fitting function for time-series signals by Tom O'Haver

Tom O'Haver (view profile)

Command-line peak fitter for time-series signals. Version 6.1, January 2015 (statistics, chemistry, curve fitting)

peakfit(signal,center,window,NumPeaks,peakshape,extra,Num...

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updated 1 month ago

Diffusion-driven Regularization Functional by Baraka Maiseli

This function addresses the ill-posedness of the super-resolution problem (image processing, signal processing, restoration)

regularizeSR( u, f )

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updated 1 month ago

Wavelet Based Image Segmentation by Ashutosh Kumar Upadhyay

Segment image containing objects of various intensities and shapes in noisy inhomogenous background (image processing, wavelet, image segmentation)

WaveletBasedImageSegmentation.m

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updated 1 month ago

Fast 'n easy smoothing by Damien Garcia

Damien Garcia (view profile)

SMOOTHN allows automatized and robust smoothing in arbitrary dimension w/wo missing values (smooth, curve fitting, image processing)

smoothn(varargin)

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updated 1 month ago

nasa/T-MATS by Jeffryes

Jeffryes (view profile)

Simulink Toolbox for the Modeling and Analysis of Thermodynamic Systems, such as gas turbines (simulation, simulink, example)

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updated 1 month ago

Averaging Filter by Wei Nick Chan

Averaging Filter for Digital Signal Processing Students (mathematics, simulation, signal processing)

Averaging Filter.m

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updated 1 month ago

Numerical Integration Toolbox by George Papazafeiropoulos

Contains several numerical integration rules to evaluate the integral of a function (abscissa, adaptive, chebyshev)

Adaptive Numerical Quadrature Theory

Integration Point Calculation Theory

Quadrature Rule Theory

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updated 2 months ago

ReadPhilipsScanPhysLog(filename, channels, skipprep) by Paul Groot

ReadPhilipsScanPhysLog.m reads Philips scanphyslog files, which are created by Philips MRI scanners. (mri, philips, physiological)

ReadPhilipsScanPhysLog(filename, channels, skipprep)

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updated 2 months ago

Peak detection of a function by Shoaibur Rahman

This function detects the transition points (maxima and minima) in a function like y = f(x) (signal processing, image processing, filtering)

findpeaks(y,x,threshold,stepsize)

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updated 3 months ago

Marginal distributions of a bivariate function by Shoaibur Rahman

This function computes the marginal distributions of each variable in a bivariate function. (probability, computer vision, statistics)

marginaldist(f,x,y,distributionType)

testFunction(x,y)

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updated 3 months ago

Fast Third Order Cross-Cumulant calculation by Brian Liswell

Performs a fast third order cross cumulant calculation between the three vectors (x,y,z). (signal processing, mathematics, statistics)

cum3xyz(x,y,z, nsamp, overlap,window)

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updated 3 months ago

Greedy Algorithms and Greedy Analysis Pursuit for Non-linear sparse recovery by Kavya Gupta

Modifications to Greedy Algorithms and Greedy Analysis Pursuit(GAP) for non-Linear sparse Recovery. (algorithm, matlab, optimization)

COSAMPEN(y,A,myfun,N,k)

COSAMPLN(y,A,myfun,N,k)

Grad(fun, x0, deltaFactor)

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updated 3 months ago

Multi-exposure and Multi-focus Image Fusion in Gradient Domain by Sujoy Paul

An algorithm for fusion of a stack of multi-exposure and multi-focus images (image processing, image fusion, multiexposure)

ReconstructGradient.m

ChannelNorm(I,r)

GradientFusion(I)

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updated 3 months ago

Graph Cut for image Segmentation by Amarjot

Amarjot (view profile)

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

graphcuts(I,pad,MAXVAL)

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updated 3 months ago

vebyk by Rolf Sidler

vebyk performs ordinary kriging and can be easily adapted to other kriging methods. (kriging, 2d, approximation)

buildbigc3(position,anisotropy,nu,range)

buildsmallc3(position,anisotropy,nu,range)

covcalc(lag,nu,a)

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updated 3 months ago

Radial Basis Function Network by Travis Wiens

Travis Wiens (view profile)

Simulates and trains Gaussian and polyharmonic spline radial basis function networks. (radial basis function, rbf for suren, radial basis function...)

rbf_integral(Xc,X1,X2,k_i,basisfunction)

rbfn_integral(Xc,X1,X2,W,k_i,basisfunction)

sim_rbf(Xc,X,W,k_i,basisfunction)

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updated 3 months ago

Weighted Iterative Truncated Mean Filter by Miao Zhenwei

WITM filters (image processing, signal processing, filter)

GWITM.m

LCWITM_filter.m

LCWITM.m

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updated 3 months ago

Iterative Trimmed and Truncated Mean Algorithm filter (ITTM filter) by Miao Zhenwei

ITTM filter for noise suppression and image processing. (image processing, signal processing, filter)

ITTM.m

ITTM_fix.m

ITTM_compile()

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updated 3 months ago

Fast Iterative Truncated Arithmetic Mean Filter (FITM filter) by Miao Zhenwei

ITM/FITM filter (image processing, signal processing, filtering)

ITM_fix.m

ITM.m

FITM.m

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updated 3 months ago

Mutual Information of Two Images by Mohammad Haghighat

Normalized mutual information (MI) between histograms of two images (image processing, signal processing, video processing)

mutualInfo(ima,imb)

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updated 3 months ago

Convert YUV Videos into Image Matrices by Mohammad Haghighat

Extract Y, U and V components of a YUV 4:2:0 video (video, video processing, video codec)

yuvRead(vid,width,height,nFrame)

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updated 3 months ago

deprecated -- Light Field Toolbox v0.2 -- v0.3 now available by Donald Dansereau

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

compute_extrinsic_init.m

compute_extrinsic_refine.m

LFBuildLenseletGridModel( WhiteImg, GridModelOptions )

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