Imagine by Christian Wuerslin

4D/3D image visualization and evaluation GUI. (3d, evaluation, image analysis)

Imagine App

OptimalColor(iNBins)

fEvalLineFWHM(SData, sSelectionType, hTexts)

Simple 3D mesh to web converter by Benjamin I

A simple script to convert a mesh consisting of faces and vertices to an interactive html document. (mesh, x3dom, 3d)

x3mesh(f,v, varargin)

demo1.m

demo2.m

3D Helical solenoid by Kurt Mizgier

Example of a 3D helical solenoid (curves, 3d, examples of curves)

helical_solenoid.m

Create Video of Rotating 3D Plot by Alan Jennings

Specify a set of view angles and this function creates a video for use in presentations. (video, movie, mpg)

CaptureFigVid_Example

CaptureFigVid(ViewZ, FileName,OptionZ)

WellMadeVid.mp4

octree - partitioning 3D points into spatial subvolumes by Sven

OcTree recursively splits a large set of points into smaller subvolumes. A QuadTree but in 3D. (octree, tree, volume)

OcTree

3D visualization of GMM learning via the EM algorithm by Johannes

The evolution of a GMM in the EM algorithm is visualized by interpolating between iterations. (expectation maximizat..., gaussian mixture mode..., em)

EM_GMM_3d(c,wk,N,movie,Y,D,Cv)

Spin/Rotate your plot! by Yu Ang Tan

Spins your plot in the z-axis! (3d, mesh, visual)

spin3dplot

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)

getTightSubplotHandles(FIG_MARGIN,ROW_MARGIN,COLUMN_MARGIN,...

plot_brain2d(x,meta,nrow,ncol,dim,c,s)

Rose Model by LY Cao

two example that generate a 3D rose. (3d, graphics, surface)

roseplot1.m

roseplot2.m

Wave Player Visualizations (Geek) by Suraj Kamya

Kviz_playerV1 is Kamya Visualization music player Version 1 have a number of Geek Visz (3D-also) (gui, project, sound processing)

Kviz_Player_V1(varargin)

imsurf: 3D images by Matthew Arthington

Plot images as 3D planes with full control over position and scale. (3d, surf, plot)

h=imsurf(imageIn,upperLeftPoint3,normal,imXDirVec,scale,var...

Mesh voxelisation by Adam A

Voxelise a triangular-polygon mesh. (cad, mesh, voxelize)

COMPUTE_mesh_normals(meshdataIN,invertYN)

CONVERT_meshformat(varargin)

READ_stl(stlFILENAME,varargin)

Surface areas of contour by HY

This function outputs surface areas within each contour and their heights. (area, contour, 3d)

ContourArea( C )

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

Function to Convert between DCM, Euler angles, Quaternions, and Euler vectors by John Fuller

Function to convert rotation data between 4 types: DCM, Euler Angles, Quaternions, and Euler Param. (aerospace, rotation, 3d)

OUTPUT=SpinCalc(CONVERSION,INPUT,tol,ichk)

Figure control widget by Oliver Woodford

Intuitive manipulation of a figure using key and mouse gestures (gui, figure, manipulate)

camview(varargin)

fcw(fig, butt)

overlayVolume by J.A. Disselhorst

Displays 3 orthogonal slices from a 3D volume with optional overlay. (image processing, overlay, 3d)

overlayVolume

geom3d by David Legland

Library to handle 3D geometric primitives: create, intersect, display, and make basic computations (3d, plane, geometric computing)

demoDrawTubularMesh

demoGeom3d

demoInertiaEllipsoid

Efficient three-dimensional (3D) Gaussian smoothing using convolution via frequency domain by Max W.K. Law

Native Fourier implementation, support GPU computation and anisotropic voxel. (3d, volumetric, gaussian smoothing)

gauss3filter.m

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

N -Dimensional cubic Cardinal spline (Catmull-Rom) Interpolation (3d, interpolation, 2d)

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

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

main.m

Animations by Ankur Pawar

Some animation in MATLAB (animation, 3d, epicycloid)

[xd,yd]=transform2d(x,y,tx,ty,phi,xr,yr,sx,sy)

epitrochoid(r1,r2,len)

hypotrochoid(r1,r2,len)

Three dimensional implementation of the Canny edge detection by boyexex

Can be used to detected surfaces from a 3D volume. (edge detection, 3d, canny edge)

canny3D(im, filsize, sigma, th_up, th_low)

hysteresis(im,im_mag,th_low)

nonmax_sup(imfil_x,imfil_y,imfil_z,th_up, th_low)

ImportAsciiRaster by Giuliano Langella

Import Arc/Info AsciiRaster (gis, 3d, info)

ImportAsciiRaster(varargin)

Snake3D by Rob

3-dimensional version of the classic Snake. playsnake starts the game!!! Takes some practice. (snake, game, 3d)

Snake3d.m

SpaceSnake.m

playsnake.m

Scalable Vector Graphics (SVG) Export of Figures by Juerg Schwizer

Converts 3D and 2D MATLAB plots to the scalable vector format (SVG). (plot2svg, svg filters, 3d)

demo_svg_water

plot2svg.m

simulink2svg

3D Slicer by David Legland

Slicer for exploring 3D images (grayscale, color or vectorial) through planar or 3D slices. (display, 3d viewer, slice)

3D Slicer

createRGBStack(img1, img2, img3)

flipStack(img, axis)

Stereo Matching by Wim Abbeloos

A GUI demonstrates an efficient stereo matching algorithm. (disparity, algorithm, computer vision)

Stereo Matching

polyfit(x,y,n)

stereomatch(imgleft, imgright, windowsize, disparity, spacc...

Circle Plane in 3D by Cheng-Yuan Wu

Plot and fill a circle by given center, radius, and surface normal (circle, circle plane, plane)

circlePlane3D( center, normal, radious, theintv, normalon, ...

3D Peano space filling curve by Zhihua Zhang

Generate a space filling curve (Peano curve) for a sequence 1..n (mathematics, peano, 3d)

Peano3D(level, init, axes, orientation, Position)

Export figure to 3D interactive PDF by Ioannis Filippidis

Export figure as a U3D file or directly to 3D interactive graphics within a PDF. (3d, u3d, graphics)

[strmodelshading, strfaces_colors, strfaceshading, strcolor...

arclength(px,py,varargin)

axes_extremal_xyz(ax)

3D Solid FEM by Peter van Alem

3D FEM analysis using linear tetrahedral elements. Also a modal analysis is shown. (3d, fea, fem)

ElementMatrix.m

ExternalForces0D1D2D.m

N=ShapeFunctions(xi,eta,mu)

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,y]=geom(bs,s)

calc_meshdata(dim,p,ef,t)

inttet(p)

read_tetgenmesh by Immanuel Anjam

Reads Tetgen meshes into Matlab (tetgen, 3d, mesh)

read_tetgenmesh( file )

test.m

inttet by Immanuel Anjam

3D integration quadrature for unit tetrahedron (3d, integration, quadrature)

inttet(p)

Converting a 3D logical array into an STL surface mesh by Adam A

Conversion of a voxelised object contained within a 3D logical array into an STL surface mesh. (stl, cad, data export)

CONVERT_meshformat(varargin)

CONVERT_voxels_to_stl(STLname,gridDATA,gridX,gridY,gridZ,va...

READ_stl(stlFILENAME,varargin)

pwr_kml_3d by Patrick Robinson

Creates a 3-D google earth KMZ file from a matrix of [Time,Lat,Lon] and [Time,Depth/Altitude] (track, path, kml)

InterpTrack=yt_interpol_linear_2(matrix_in,output_time)

pwr_kml_3d(Name,TLL,TDR)

Ray Tracing Volume Renderer by Scott Robertson

Renders a 3D volume according to a intensity indexed color map and opacity map via ray tracing. (medical imaging, image processing, volume rendering)

ParallelRayGenerator3d(volume,dimx,dimy,raystep)

volumeRenderDemo.m

Intersection point of lines in 3D space by Anders Eikenes

Finding intersection point of lines in 3D space (two or more lines). (mathematics, lines, intersection)

lineIntersect3D(PA,PB)

Savitzky-Golay smoothing filter for 3D data by Shao Ying Huang

This function provide a Savitzky-Golay smoothing filter for 3D data. (savitzkygolay, 3d data, 3d)

savitzkyGolay3D_rle_coupling(Nx,Ny,Nz,m3DIN,lengthX,lengthY...

Quick 3D Data Viewer by Kevin Claytor

Small GUI for viewing 3D data with alpha mapping (gui, data exploration, data visualization)

makeAlphaMatrix(DataMatrix,alphavec)

plotMatrixAlpha(axH,Matrix,alphavec,xscale,yscale,zscale)

view3Ddata(varargin)

Get Rotation Matrix from 2 Orthogonal Planes by Gemma Parra

Computes a 3x3 rotation matrix from two orthogonal planes in a 3D point cloud. (rotation, matrix, 3d)

callbackClickARectangleLowerRight(src, eventData, pointClou...

callbackClickARectangleUpperLeft(src, eventData, pointCloud...

getRMatrix(pointCloud)

Heightprofile from GoogleEarth to 3D-Surface by Sven Koerner

The tool get the height-Profile from GoogleEarth via COM-API and the image to generate a 3D-surface. (3d, surface, plot)

ge_test1

Extraction of a Volume of Interest (VOI) by Omer Demirkaya

This is a simple example of extracting a rectangular volume of interest (VOI) from a 3D image (region of interest, 3d, volume of interest)

VOI_example()

extractVOI(img)

LAS file Header Reader by Sandeep Sasidharan

READS THE PUBLIC HEADER BLOCK AND VARIABLE RECORD LENGTHS OF LAS FILES (public header block, variable record lengt..., las file)

LASreader(varargin)

Create a non Isotropic 3D Gaussian Point Spread Function (PSF) by Christopher Coello

Create an isotropic or non isotropic 3D Gaussian PSF (image processing, point spread function, 3d)

nonIsotropicGaussianPSF(inSigma,varargin)

3D convolution in the FFT domain by Christopher Coello

Achieve a 3D convolution in the fourrier domain. (convolution, fourier, 3d)

convolution3D_FFTdomain(inVol,inKer)

Color coded 3D scatterplot by Ken Garrard

Produces a 3D scatterplot of XYZ data with varying colors (scatterplot, 3d, specialized)

plot3k(L,varargin)

OrthoView3D by Jered Wells

MATLAB GUI for exploring 3D datasets through a sleek and simple interface (sample dataset included) (3d, data exploration, orthographic)

orthoview3d(varargin)

Plot a 3D array using patch by Adam A

Plotting a 3D array using a patch surface mesh (3d, plot, patch)

PATCH_3Darray(varargin)

3D Free Form Image Registration Toolbox (GUI) by Daniel Markel

A toolbox for performing image registrations on 4D RTOG files or any other volumetric image. (image registration, 3d, image)

Crop_image(varargin)

Dcoord(varargin)

Deform(varargin)