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updated 7 hours ago

hyongju/Polytope-bounded-Voronoi-diagram by Hyongju Park

The function cacluates arbitrary polytope bounded Voronoi diagram in 2D/3D (mathematics, simulation, geometry)

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updated 22 hours ago

gptoolbox by Alec

Alec (view profile)

Useful functions for geometry processing, constrainted optimization and image processing. (geometry, geometry processing, linear algebra)

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updated 22 hours ago

Advanced Segmentation Tools - Fast Time-implicit levelset variants in CUDA/C/Matlab by Martin Rajchl

Advanced Segmentation Tools (ASETS) Levelsets Beta version (2d, 3d, c)

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updated 2 days ago

Advanced Segmentation Tools - Fast Continuous Max Flow variants in CUDA/C/Matlab by Martin Rajchl

Advanced Segmentation Tools (ASets) Beta version (image segmentation, max flow, graph cuts)

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updated 4 days ago

Connect four by Kevin Gürsoy

Connect four is a game for 2 players. You place chips to win. Have fun! (games, gui, guide)

checkWin(handles)

placeChip(handles, index)

resetBoard( handles )

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updated 5 days ago

2d and 3d brain plots by Jeremy Manning

Quickly and easily create 2d and 3d plots of fMRI data. (fmri, pcolor, 2d)

cmu_to_mat.m

construct_meta.m

getTightSubplotHandles.m

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updated 6 days ago

Bayes classification for 2D Gaussian distributions by Edward Wiggin

Edward Wiggin (view profile)

Draw Bayes classification results for 2D Gauss. distributions, return func. handles of N post. prob. (pattern recognition, bayes, 2d)

drawBayesGauss2D(mu,c,prProb,ax)

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updated 8 days ago

Elliptic Mesh Smoother by Andrew

Andrew (view profile)

Smooth an initial 2d mesh distribution using the elliptic grid equation (mesh, cfd, grid)

elliptic_mesh(xy)

test.m

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updated 12 days ago

Pore size distribution of 2D porous media images by Arash Rabbani

Calculates the pore size distribution of 2D porous media images by watershed segmentation algorithm (porous media, image processing, 2d image)

PSD.m

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updated 25 days ago

Phased Array Design Toolbox v2.5 by Neill Tucker

A toolbox allowing rapid definition and evaluation of 2D and 3D phased array antennas. (2d, 3d, antennas)

apcirc(theta,phi)

apcirc_geom()

aprect(theta,phi)

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updated 29 days ago

BSmag Toolbox by Queval Loic

Biot-Savart numerical integration (integration, 3d, 2d)

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updated 1 month ago

Fast 3D/2D Region Growing (MEX) by Christian Wuerslin

A very fast 2D and 3D region growing algorithm implemented in c++. (region growing, 3d, 2d)

RegionGrowing(dImg, dMaxDif, iSeed)

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updated 1 month ago

A Simple Finite Volume Solver for Matlab by Ehsan

Ehsan (view profile)

A simple yet general purpose FVM solver for transient convection diffusion PDE (fvm, finite volume method, dirichlet)

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updated 2 months ago

2D Poisson Solver using Zero Neumann boundary conditions - Theory Guide by Koorosh Gobal

2D Poisson Solver using Zero Neumann boundary conditions - Theory Guide (spectral analysis, cfd, poisson equation)

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updated 2 months ago

poisson2Dneumann(F,L) by Koorosh Gobal

Solves the 2D Poisson equation using zero neumann boundary condition (spectral analysis, poisson equation, 2d)

poisson2Dneumann(F,L)

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updated 2 months ago

2D Poisson Solver using Sine Transform - Theory by Koorosh Gobal

Theoritical guide for solving the 2D Poisson equation using Sine transform (spectral analysis, poisson equation, sine transform)

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updated 2 months ago

poisson2Ddirichlet(F,L,BCl,BCt,BCr,BCb) by Koorosh Gobal

Solves the 2D Poisson equation using spectral method (spectral analysis, poisson equation, 2d)

poisson2Ddirichlet(F,L,BCl,BCt,BCr,BCb)

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updated 2 months ago

2D discrete sine transform - Theory by Koorosh Gobal

Derivation of 2D discrete sine transform (sine transform, inverse sine transfor..., 2d)

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updated 2 months ago

idst2(A) by Koorosh Gobal

Calculate the inverse sine transform of 2D matrix A (spectral analysis, inverse sine transfor..., 2d)

idst2(A)

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updated 2 months ago

dst2(U) by Koorosh Gobal

Calculate the 2D discrete sign transform of function y. (spectral analysis, sine transform, 2d)

dst2(U)

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updated 3 months ago

pdist2plus(p1,p2) by Chuck Hatt

Does the same thing as pdist2 ('euclidean') but returns an angle matrix along with distance matrix (image processing, optimization, 2d)

pdist2plus(p1,p2)

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updated 5 months ago

AABBTREE - A d-dimensional bounding-box tree. by Darren Engwirda

Darren Engwirda (view profile)

A d-dimensional bounding-box tree for collections of objects. (geometry, 2d, 3d)

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updated 5 months ago

FINDTRIA - Spatial queries for simplexes. by Darren Engwirda

Darren Engwirda (view profile)

Efficient spatial queries for collections of d-simplexes. (mathematics, geometry, 2d)

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updated 5 months ago

DUALMESH - Polygonal mesh construction. by Darren Engwirda

Darren Engwirda (view profile)

Construct polygonal "dual" meshes from 2-simplex triangulations embedded in R^3. (mathematics, modeling, 2d)

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updated 5 months ago

Load Leica LIF File by Ron Hoebe

Load Leica LIF File (data import, 3d, 2d)

ci_loadLif(filename, getonlynumberofelements, number)

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updated 5 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 6 months ago

FEM 2D Bar Elements and Axisymmetric by Dhritiman Talukdar

FEM 2D Truss and Axisymmetric (plot, 3d, fem)

fxd2fre(fxd,n)

FEM_Axisym.m

FEM_2D_Truss_Gen.m

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updated 6 months ago

2 Dimensional Temperature Profile - Finite Diff Method by Amir John Scheid

Allows user to set fixed disturbance in T in a plate. Calculates output. (finite difference, temperature, temperature profile)

temp_20.m

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updated 6 months ago

Rigid Transform Estimation by Sandro

Sandro (view profile)

Estimates the rigid transform between 2D Points (rigid, transformation, 2d)

computeInliers( transformation, points1, points2, allowed...

computeRigidTransformation( points1, points2 )

estimateRigidTransformation( points1, points2, nIteration...

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updated 7 months ago

Generate Random Numbers from a 2D Discrete Distribution by Tristan Ursell

Tristan Ursell (view profile)

Random numbers from any 2D discrete probability distribution, at any resolution. (discrete, distribution, generate)

[x0,y0]=pinky(Xin,Yin,dist_in,varargin)

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updated 7 months ago

Wavelet based Image Reconstruction from Gradient Data by E

E (view profile)

A toolbox for reconstructing images from gradient data. (image processing, gradient, poisson solver)

Reflect.m

Ad_GWN(X,targetSNR,st)

CombineRGB(R,G,B)

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updated 7 months ago

G1 fitting with clothoids by Enrico Bertolazzi

Fits two points with assigned directions with a single clothoid curve (curvefitting, clothoid, fresnel)

FresnelCS(y)

G1spline( PNTS, varargin )

G1splineMW( PNTS, varargin )

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updated 7 months ago

calc_meshdata by Immanuel Anjam

Calculates the affine transformations for integration in 2D/3D via the unit triangle/tetrahedron. (integration, 2d, unit reference triang...)

[X,W]=inttri(p)

[x,y]=geom(bs,s)

amsv (ama,svx)

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updated 9 months ago

Diffeomorphic Log Demons Image Registration by Herve Lombaert

Simple matlab code for 2D and 3D image registration using the diffeomorphic log-demons algorithm (image processing, image registration, 2d)

compose(ax,ay,az, bx,by,bz)

demons

demons

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updated 11 months ago

Shortest distance between two line segments by Nick

Nick (view profile)

Function computes the shortest distance between two line segments. (2d, geometry, intersection)

DistBetween2Segment(p1, p2, p3, p4)

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updated 12 months ago

Kohonen's Self Organizing Feature Map by ammar al jodah

This SOM will learn a 3d shape of random features (kohonen, self organizing featu..., som)

som3dmesh.m

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updated 12 months ago

radialDistribution2D.m by adi

adi (view profile)

calculates radial Distribution in 2D (radial, distribution, radial distribution)

radialDistribution2D(switchVal,gR,coords,Lx,Ly,NumOfBins)

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updated 12 months ago

distPBC2D.m by adi

adi (view profile)

calculate vector in periodic boundary conditions (periodic, boundary, conditions)

distPBC2D(vec,Lx,Ly)

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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)

g=Gaussian_filter(Filter_size, sigma)

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updated 1 year ago

Simple 2D Fourier by Richard McCulloch

Plotting program for 2D fourier expansions. (fourier, 2d, 2d fourier)

Fourier_2D.m

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updated 1 year ago

2D weighted histogram by Johannes

Johannes (view profile)

Calculates 2D weighted histogram and plots in color (histogram, weighted, bar)

hist2w(X,W,y,z,C)

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updated 1 year ago

Fast 2-D convolution by David Young

David Young (view profile)

Speeds up many 2-D convolutions using the SVD; also finds a fast approximation in other cases. (2d, convolution, filtering)

convolve2(x, m, shape, tol)

exindex(arr, varargin)

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updated 1 year ago

Fast Radial Symmetry Transform by Sandro

Sandro (view profile)

Matlab implementation of the Fast Radial Symmetry Transform in 2D (frst, 2d, symmetry transform)

frst2d( image, radii, alpha, stdFactor, mode )

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updated 1 year ago

Two-dimensional Variational Mode Decomposition by Dominique Zosso

Variationally decompose a 2D signal into k band-separated modes. (adaptive filter, band separated, bandwidth)

VMD_2D(signal, alpha, tau, K, DC, init, tol)

VMD_2D_test.m

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updated 1 year ago

Color multi-frame view (RGB figure shadows) by Luke Xie

Luke Xie (view profile)

Creates color figure shadows - multiple shadows and multiple frames (2d, 3d, color)

multi_frame_viewRGB(files,we,be,ne,ie,gr)

example_script.m

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updated 1 year ago

Multi-frame view (figure shadows) by Luke Xie

Luke Xie (view profile)

Creates figure shadows - multiple shadows and multiple frames (shadow box, figure shadow, multiple frames)

multi_frame_view(files,we,be,ne,ie,gr)

example_script.m

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updated 1 year ago

Heat Equation 2d (t,x) by implicit method by Carlos

Carlos (view profile)

heat, heat equation, 2d, implicit method (implicit method, heat, heat equation)

implicitmhq.m

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updated 1 year ago

2D FDTD code with TF/SF interface and UPML absorbing borders by Vasily Kozhevnikov

Simple example implements FDTD + UPML + Total Field/Scattered Field interface (fdtd, 2d, te)

FDTD_2D

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updated 1 year ago

Multiecho enhancement for 2D/3D (N-D) images by Luke Xie

Luke Xie (view profile)

Enhances images using a weighted sum or MEFIC. (2d, 3d, grayscale)

img2=multiecho_enhance(img,str,weights)

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updated 1 year ago

Hysteresis thresholding for 3D images (or 2D) by Luke Xie

Luke Xie (view profile)

Segments images based dual thresholding with 2D or 3D connectivity neighborhoods. (image processing, hysteresis, 3d)

[tri,hys]=hysteresis3d(img,t1,t2,conn)

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