image thumbnail

updated 19 hours ago

Chebfun by Chebfun Team

Chebfun Team

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

image thumbnail

updated 1 day ago

Bond Pricer Applying Kalman Filter by mono

mono

Compute the yield curve based on two SDE models applying Kalman Filter (yield curve, zero coupon bond, pricing)

CIR_CompoundRate_Kalman_fmincon(input_data)

CIR_SpotRate_LSM_fmincon(input_data)

CIR_pricing(input_data,flag,r0,tau)

image thumbnail

updated 1 day ago

Image Encryption Using Secure Force (64-bit) Algorithm by Shujaat Khan

Shujaat Khan

This submission is the implementation of Secure Force (SF) Encryption Algorithm on images. (security, algorithm, encryption)

Binary2Dec( binary )

Binary2Hex( binary )

Dec2Bin( dec )

image thumbnail

updated 2 days ago

Multi-Focus Image Fusion for Visual Sensor Networks in DCT Domain by Mohammad Haghighat

Mohammad Haghighat

Simulation of two multi-focus image fusion methods in DCT domain: 1.DCT+Variance 2.DCT+Variance+CV (book database, clock database, pepsi database)

dctVarFusion(im1, im2)

image thumbnail

updated 2 days ago

Gabor Wavelets by Mohammad Haghighat

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)

image thumbnail

updated 2 days ago

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

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)

image thumbnail

updated 2 days ago

Multi-Focus Image Fusion in DCT Domain by Mohammad Haghighat

Mohammad Haghighat

Simulation of two multifocus image fusion methods: 1.DCT+Variance 2.DCT+Variance+CV (dct domain, image fusion, multifocus)

dctVarFusion(im1, im2)

image thumbnail

updated 2 days ago

Gabor Feature Extraction by Mohammad Haghighat

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)

image thumbnail

updated 2 days ago

Cubehelix Colormaps: Beautiful, Distinct, Versatile! by Stephen Cobeldick

Stephen Cobeldick

The most versatile colormap generator ever! Suitable for grayscale conversion. Maximally distinct. (colormap, color scheme, color)

cubehelix(N,start,rots,hue,gamma,rng,dmn)

cubehelix_find(map,pos,prm)

cubehelix_view(N,start,rots,hue,gamma,rng,dmn)

image thumbnail

updated 4 days ago

PICT: Particle Image Characterization Tool by Gaurav Arya

Gaurav Arya

Quantitative image analysis tool for characterizing structural properties of nanoparticle clusters (image processing, modeling, statistics)

linspecer.m

PICT_analyze_images(dataDir)

PICT_calibrate(dataDir)

image thumbnail

updated 4 days ago

Polar Onion Peeling by Natan

Natan

Apply polar onion peeling method for analyzing velocity map imaging (VMI) data. (onion peeling, physics, chemistry)

POP(im, bParams, qParams, cartImage)

image thumbnail

updated 4 days ago

Improved Digital Image Correlation (DIC) by Elizabeth Jones

Elizabeth Jones

Calculate full-field displacements and strains from a set of images with a random speckle pattern. (digital image correla..., experimental mechanic..., noncontact)

Shape_Funct_LH.m

FEM_strains_setup_GUI_compatible(N_Elem_Order,gridx,gridy...

ParforProgressStarter2(s, n, percentage, do_debug, run_ja...

image thumbnail

updated 5 days ago

Imagine by Christian Wuerslin

Christian Wuerslin

4D/3D image visualization and evaluation GUI. (3d, potw, pick of the week)

fLiveWireGetPath.m

fLiveWireCalcP.m

ExpGray(iNBins)

image thumbnail

updated 5 days ago

DavidMercier/NIMS by David MERCIER

David MERCIER

A Matlab GUI to plot and to analyze (nano)indentation data (obtained with conical indenters) (gui, data import, data export)

image thumbnail

updated 6 days ago

HPF - a big decimal class by John D'Errico

John D'Errico

High precision floating point arithmetic, a new class written in MATLAB (hpf, multiple precision, big decimal)

DefaultDecimalBase(DBaseNew)

DefaultNumberOfDigits(NDig,varargin)

eulerGamma(NDig)

image thumbnail

updated 6 days ago

Trainable COSFIRE filters for vessel delineation with application to retinal images by Nicola Strisciuglio

Nicola Strisciuglio

B-COSFIRE filters detect line at different orientations by combining the responses of DoG filters. (vessel segmentation, image segmentation, line detector)

fakepad.m

rocarea.m

createretinamaskcolored.m

image thumbnail

updated 6 days ago

2 Dimensional Optimization using a Continuous Genetic Algorithm by Hashem Rizk

Hashem Rizk

Function Optimization using a Continuous Genetic Algorithm (gentic, optimization, gui)

GeneticAlgorithmOptimizationGUI(varargin)

image thumbnail

updated 9 days ago

Find the best boundary/cut/split between two points on an image by sagi eppel

sagi eppel

Find the best boundary/cut/split that pass between two points on the grayscale image. (image processing, computer vision, image analysis)

FindBestBoudaryPath(Is,Ax,Ay,Bx,By)

image thumbnail

updated 9 days ago

Find the boundaries of materials in transparent vessels using computer vision by sagi eppel

sagi eppel

Given image of material in transparent container find the material boundary in the image (computer vision, image analysis, image processing)

FindLegalPathAB.m

FindLegalPathA.m

Circle( R )

image thumbnail

updated 10 days ago

Read TIFF stacks into Matlab fast, with lazy loading by Dylan Muir

Dylan Muir

Read a TIFF stack as a memory-mapped tensor. Handles a large range of internal TIFF formats. (tiff, tif, image manipulation)

tiffread29_header(filename)

tiffread29_readimage(TIF, HEADER, vnFrames)

TIFFStack

image thumbnail

updated 11 days ago

Fminineq: constrained minimization by David Vallverdu

David Vallverdu

Fminineq solves constrained minimization problems, with both equality and inequality constraints. (optimization, mathematics, chemistry)

crossderiv(fun, x, i, j)

firstderiv(fun, x, i, ord, mode)

fminineq(f0, x0, Aeq, beq, Ain, bin, dispOption, tolFeas,...

image thumbnail

updated 12 days ago

Markov Decision Processes (MDP) Toolbox by Marie-Josee Cros

Marie-Josee Cros

Functions related to the resolution of discrete-time Markov Decision Processes. (control design, toolbox, markov decision proce...)

mdp_LP(P, R, discount)

mdp_Q_learning(P, R, discount, N)

mdp_bellman_operator(P, PR, discount, Vprev)

image thumbnail

updated 12 days ago

Graph-based Markov Decision Processes (GMDP) toolbox by Marie-Josee Cros

Marie-Josee Cros

Functions related to the resolution of Graph-based Markov Decision Processes (GMDP). (control design, markov decision proce..., optimization)

generate_random_graph(n, maxN)

gmdp_analyze_policy(GMDP, policyloc, sites)

gmdp_analyze_policy_neighbor(GMDP, policyloc, sites)

image thumbnail

updated 15 days ago

B-spline based repetitive neurocontroller by Bartlomiej Ufnalski

Bartlomiej Ufnalski

A non-local learning rule is employed in a repetitive neurocontroller based on B-spline network. (basis spline, b spline, repetitive control)

mu1st_i(i,k)

mu2nd_i(i,k)

RNC_B_spline_without_PLECS.m

image thumbnail

updated 17 days ago

PROMPT by Gaik Tamazian

Gaik Tamazian

PRotein cOnformational Motion PredicTion toolbox. (computational biology, conformational change, proteomics)

atomicmass(atomicSymbols)

circdist(X, Y)

circinterp(X, Y, nValues, shortArc)

image thumbnail

updated 17 days ago

Tools for 2-D Tomographic Reconstruction by Ligong Han

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)

image thumbnail

updated 17 days ago

nasa/T-MATS by Jeffryes

Jeffryes

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

image thumbnail

updated 18 days ago

savepng by Stefan Slonevskiy

Stefan Slonevskiy

savepng is a fast PNG image compression routine that outperforms MatLab's built-in imwrite (png, mex, image)

image thumbnail

updated 20 days ago

GIBBON: The Geometry and Image-Based Bioengineering add-On for MATLAB by Kevin Moerman

Kevin Moerman

GIBBON: The Geometry and Image-Based Bioengineering add-On for MATLAB (bioengineering, finite element, meshing)

image thumbnail

updated 20 days ago

ImGRAFT by Aslak Grinsted

Aslak Grinsted

An Image Georectification and Feature Tracking toolbox (r2014b graphics ready, template matching, georectification)

image thumbnail

updated 20 days ago

FELICITY by Shawn Walker

Shawn Walker

Finite ELement Implementation and Computational Interface Tool for You (finite element method, mathematics, modeling)

Coarse_Square_Codim_1()

CompareFiles(File1,File2)

Convert_Interp_script_to_MEX(Main_Dir,Iscript,MEX_FileName)

image thumbnail

updated 22 days ago

Color Distribution by Ligong Han

Ligong Han

Visualization of distribution in RGB or HSV space. (image processing, color space)

hsv_distribution(im,amp)

rgb_distribution(im,plotopt,amp)

image thumbnail

updated 23 days ago

Local binary patterns by Nikolay S.

Nikolay S.

Calculates image LBP (Local binary patterns). (lbp, image processing, feature detection)

roundnS.m

assignUserInputs(funcParamsNames, varargin)

efficientLBP(inImg, varargin)

image thumbnail

updated 23 days ago

johannesu/gridcut-matlab by Johannes

Johannes

Light-weight MATLAB package for segmentation using GridCut (image processing, segmentation)

image thumbnail

updated 24 days ago

Face Tracking and Image Overlay by Ye Cheng

Ye Cheng

Santa Cam - Turn anyone in a live webcam into Santa Claus. (image processing, computer vision, face tracking)

imoverlay(imIn, imAdd, pos)

santaCam.m

image thumbnail

updated 25 days ago

Signal Dependent Noise Level Estimation by xinhao liu

xinhao liu

This code will estimate the three parameters of signal dependent noise model. (signal dependent nois..., noise variance, noise estimation)

GSGNoiseModel(sigw, sigu, gamma,X)

SGDNoiseLevel(img,patchsize,conf,itr)

addSGDNoise(X, sigw, sigu, gamma )

image thumbnail

updated 26 days ago

LBFGSB (L-BFGS-B) mex wrapper by Stephen Becker

Stephen Becker

Mex wrapper for lbfgsb v3.0 fortan library. L-bfgs-b solves box-constrained optimization. (optimization, constrained optimizat..., quasinewton)

driver1(x)

fminunc_wrapper(x,F,G,H)

Non-negative least-squares (NNLS) using L-BFBS-B

image thumbnail

updated 29 days ago

Numerical Integration Toolbox by George Papazafeiropoulos

George Papazafeiropoulos

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

GLobIntP.m

JRecCoeff.m

CCIntP(nCC)

image thumbnail

updated 1 month ago

Exact minimum bounding spheres/circles by Anton Semechko

Anton Semechko

Compute exact or approximate minimum bounding spheres/circles (optimization, geometry, sphere)

ApproxMinBoundSphereND.m

ExactMinBoundCircle(X)

ExactMinBoundSphere3D(X)

image thumbnail

updated 1 month ago

select_image() by Haroun SMIDA

Haroun SMIDA

load an image (image, image processing, image analysis)

select_image()

image thumbnail

updated 1 month ago

Calculate smallest enclosing circle: meb(X,mode) by Yi

Yi

calculating the smallest enclosing circle based on a set of points. User can choose the method. (optimization, cvx, emo welzl)

meb(X,mode)

image thumbnail

updated 1 month ago

Gaussian High Pass Filter by Muhammad Ammad

Muhammad Ammad

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

GaussianHighpass

image thumbnail

updated 1 month ago

load_db(path) by Haroun SMIDA

Haroun SMIDA

Load a database of images (image processing, data import)

load_db(path)

image thumbnail

updated 1 month ago

A Comparison of Evolutionary Computation Techniques for IIR Model Identification by Erik

Erik

Evolutionary Computation Techniques are compared considering some IIR identification problems (pso, genetic algorithm, filter design)

ABC.m

simulasist3.m

apso_1st_order_filter.m

image thumbnail

updated 1 month ago

rgb_to_hsv(M) by uyen nguyen

uyen nguyen

convertion from RGB to HSV space (image processing)

rgb_to_hsv(M)

image thumbnail

updated 1 month ago

ReadPhilipsScanPhysLog(filename, channels, skipprep) by Paul Groot

Paul Groot

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

ReadPhilipsScanPhysLog(filename, channels, skipprep)

image thumbnail

updated 1 month ago

Image isophotes by Vahid K. Alilou

Vahid K. Alilou

The function extracts isophotes from an arbitrary image (image processing)

isophote( L, alpha )

main.m

image thumbnail

updated 1 month ago

Marginal distributions of a bivariate function by Shoaibur Rahman

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)

image thumbnail

updated 1 month ago

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

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)

image thumbnail

updated 1 month ago

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

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)

Contact us