Volumetric Data Explorer by Adam Filion

App for exploring higher dimensional data using volumetric visualizations and animation. (4d, movie, visualization)

Data Explorer

Stereoscopic Structural Distortion Metric (StSD) by Varuna De Silva

Low complexity objective measurement of compression artifacts in stereoscopic 3D video (video quality, 3d, stereoscopic video)

StSD_lc(distorted_left, reference_left, distorted_right,...

[Y,U,V]=yuv_import(filename,dims,numfrm,startfrm,yuvformat)

Joint entropy and histogram calculation for 3D+ images by ja

Reasonably fast. Build for any number of dimensions. (joint histogram, joint entropy, 3d)

ent(J,K,t,xyz)

Imagine by Christian Wuerslin

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

Imagine App

OptimalColor(iNBins)

fEvalLineFWHM(SData, sSelectionType, hTexts)

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

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)

Surface areas of contour by HY

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

ContourArea( C )

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

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

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)

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

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, ...

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)

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

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)

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)

loadAmiraMesh by Cengiz Gunay

Load Amira Mesh 3D ASCII data (amira, mesh, data)

loadAmiraMesh(filename, isverbose)

circlefit3d - fit circle to three points in 3d space by Johannes Korsawe

Calculate center, radius and plane of circle that passes through three given points (circle, 3d, fit)

circlefit3d(p1,p2,p3)

makestereofig_v2 by Allen Minton

Converts .fig files containing Cartesian xyz plots to stereo in 3 formats (3d, stereo, anaglyphic)

plotdisplay2(photo,location)

makestereofig_v2.m

mxNiRealWorld2Pixel (an addition to the Kinect/OpenNI/NITE wrapper of D.Kroon)) by Babak Taati

takes an array of real-world coordinates (XYZ) and projects them into image coordinates (xy). (kinect, openni, project)

mxNiRealWorld2Pixel.m

3d balls dynamics by Maxim Vedenyov

Simulation of balls collisions. Balls are same. Elastic collisions. No gravity. (3d, elastic collisions, balls)

D=distances(r)

V=strikes_processing(r,V,dst2,trind,n1a,n2a,d2)

V=strikes_processing_2balls(r,V,dst2,trind,n1a,n2a,d2)