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updated 21 hours ago

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

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

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updated 21 hours ago

FINDTRIA - Spatial queries for simplexes. by Darren Engwirda

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

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updated 21 hours ago

DUALMESH - Polygonal mesh construction. by Darren Engwirda

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

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updated 6 days 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 20 days 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 23 days ago

Elliptic Mesh Smoother by Andrew

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

elliptic_mesh(xy)

test.m

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updated 1 month 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 1 month 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 1 month ago

Rigid Transform Estimation by Sandro

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 2 months ago

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

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 2 months ago

Wavelet based Image Reconstruction from Gradient Data by E

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 3 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 3 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 4 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 7 months ago

Shortest distance between two line segments by Nick

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

DistBetween2Segment(p1, p2, p3, p4)

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updated 7 months ago

A Simple Finite Volume Solver for Matlab by Ehsan

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

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updated 7 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 7 months ago

radialDistribution2D.m by adi

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

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

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updated 7 months ago

distPBC2D.m by adi

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

distPBC2D(vec,Lx,Ly)

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updated 9 months 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 9 months 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 9 months ago

2D weighted histogram by Johannes

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

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

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updated 9 months ago

Fast 2-D convolution by David Young

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 9 months ago

Fast Radial Symmetry Transform by Sandro

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 9 months 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 9 months 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 9 months ago

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

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 10 months ago

Multi-frame view (figure shadows) by Luke Xie

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 10 months ago

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

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

implicitmhq.m

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updated 11 months 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 11 months ago

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

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

2d and 3d brain plots by Jeremy Manning

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

PATCH_3Darray(varargin)

cmu_to_mat(data, meta)

construct_meta(dims)

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updated 1 year ago

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

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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updated 1 year ago

Two-dimensional trilateral filter by Pekka Astola

Filters a grayscale image with the trilateral filter by P. Choudhury and J. Tumblin (trilateral filter, bilateral filter, filtering)

BilateralGradientFilter(...

DetailBilateralFilter(inputImage,adaptiveRegion,...

buildMinMaxImageStack(gradientMagnitude,maxLevel)

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updated 1 year ago

akZoom by Alexander Kessel

Zooming and panning with the mouse in 2D plots. Supports plotyy, loglog, subplot, etc. (2d, axes, mouse)

akZoom.m

image(varargin)

imagesc(varargin)

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updated 1 year ago

Phased Array Design Toolbox v2.4.2 by Neill Tucker

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

Emulti=fieldsum(R,th,phi)

XR=rotx(angle)

YR=roty(angle)

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updated 1 year ago

Fast mutual information, joint entropy, and joint histogram calculation for N-D images by ja

Built for 'highest possible' speed. Can handle any number of dimensions, given sufficient memory. (joint histogram, joint entropy, nd)

ent(J,K)

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updated 1 year ago

Max Path for grayscale 2D image by ja

max path using dynamic programming (min path, max path, dynamic programming)

mxpth(II)

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updated 1 year ago

Connect Randomly Ordered 2D Points into a Minimal Nearest-Neighbor Closed Contour by Tristan Ursell

Connects randomly ordered 2D points into a minimal nearest neighbor contour. (contour, nearest, neighbor)

[Xout,Yout,varargout]=points2contour(Xin,Yin,P,direction,...

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updated 1 year ago

cloudPlot by Daniel Armyr

A function to plot the distribution of 2-dimensional data. (plot, cloud, visualize)

demo

cloudPlot( varargin)

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updated 1 year ago

2D fast marching algorithm by Juan Cardelino

computation of distance maps using fast marching (differential equation..., fast marching, algorithm)

T=fast_marching(data_points,siz,plot)

test_fm.m

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updated 1 year ago

Kinect Matlab by Dirk-Jan Kroon

Microsoft Kinect, OpenNI wrapper, Skeleton, Depth (kinect, microsoft, skeleton)

J=imagemax(Iin)

[I_SSD,I_NCC]=template_matching(T,I)

compile_cpp_files(OpenNiPath)

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updated 1 year ago

Create a colored, tilted 2D error ellipse scatter plot. by Nathan Orloff

Create a colored, tilted 2D error ellipse scatter plot. (ellipse, error, errorplot)

errorellipse(ex,ey,xx,yy,varargin)

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updated 1 year ago

2D transient Heat Conduction by shashank moghe

A dynamic boundary 2-D transient heat conduction problem (transient, heat, conduction)

ApplyBC(T_old,x_intervals,y_intervals,left_Temperature,up...

CalculatePlottingMatrix(T_new,x_intervals,y_intervals)

CalculateTimeForTakingOutBillet(T_new,reference_Temperatu...

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updated 1 year ago

Plasticine simulation by Maxim Vedenyov

Plasticine circle by its own mass compressed on table. 2d (plasticine, simulation, 2d)

test1.m

test2.m

test3.m

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updated almost 2 years ago

Valentines Day Greetings by Ajit ranjan

Just a Mathematical relationship ... (graphics, valentines, heart beat)

Valentines_beating_heart.m

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updated almost 2 years ago

Superformula generator 2d by Giuseppe Cardillo

generator of superformula plot (gui tools, example, gielis)

Gielis2d(varargin)

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updated 2 years ago

Hexagonal Scatter Plot by Salman Mashayekh

It reduces the resolution of a high resolution data and outputs a 2D hexagonal scatter plot. (hexagon, hexagonal plot, scatter)

hexScatter(xData,yData,cData,xLim,yLim,rHex,ifFillEmptyHex)

hexScatterDemo.m

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updated 2 years ago

Image Noise Reduction by Local Statistics by Tristan Ursell

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

[varargout]=relnoise(Iin,sz,sigma,varargin)

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updated 2 years ago

N Dimensional Cardinal Spline (Catmull-Rom) Spline Interpolation by Dr. Murtaza Khan

N -Dimensional cubic Cardinal spline (Catmull-Rom) Interpolation (approximation, interpolation, cardinal spline)

[MatNbyNPlusOne]=crdatnplusoneval(P0,P1,P2,P3,T,n)

[Pu] =evalcrdnd(P0,P1,P2,P3,T,u)

main.m

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