325 results

Accurate Curvature and Normals of a line/contour consisting of 2D points

Speeds up many 2-D convolutions using the SVD; also finds a fast approximation in other cases.

MIP, Color, Slice and Shaded 3D (shearwarp) Volume Rendering, interactive 3D view/measurement GUI

The program plots convex linear closed regions in 2D/3D.

Affine translates a 2D image or 3D volume.

Built for 'highest possible' speed. Can handle any number of dimensions, given sufficient memory.

Smooths a 2D matrix using a mean filter over a user-defined rectangle. Ignores and preserves NaNs.

Two scripts: polyfitweighted2 fits 2D data with weights, and polyval2 evaluates the 2D polynomial

Decompose an arbitrary N dimensional filtering kernel into 1D kernels, for faster filtering

Useful functions for geometry processing, constrainted optimization and image processing.

Use Gielis'es superformula in 2d plot

Renders a 2-D image in 3-D space using a texture mapped rectangle, with several examples of uses.

Microsoft Kinect, OpenNI wrapper, Skeleton, Depth

Fits a polynomial f(x,y) to best fit the data points z using SVD.

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

Draw a colored line in 2D or 3D

Finds the pairwise intersection points between line segments in 2D Cartesian space.

B-spline registration of two 2D / 3D images or corrsp. points, affine and with smooth b-spline grid.

Convolution in 2-D using the Fast Fourier Transform.

Access Leica LIF and XLEF Files

A function to plot the distribution of 2-dimensional data.

Sparse (1-3)D Laplacian on a rectangular grid with exact analytic eigenpairs.

Cootes 2D/3D Active Shape & Appearance Model for automatic image object segmentation and recognition

Multitrack 3D Simulink Scope

Function to verify if one given point is in or out a given convex 2D (polygon) or 3D (polyhedron) convex set, excluding its boundaries.

Algorithms for 2D AR and 2D ARMA parameters estimation.

non-rigid 2D and 3D image registration with demon (fluid) algorithm, extended with modality transf.

Create histograms for ND data using ND bins

Function to rotate a -array of- vector(s) around any given -shifted- axis, in 2D or 3D space.

To plot the Stress and Deformation in 2D or 3D Truss using FEM.

This is a simple 2D kinematic vehicle's steering motion and visualization in Simulink.

Quickly and easily create 2d and 3d plots of fMRI data.

Fast Gaussian filtering of 1D, 2D greyscale / color image or 3D image volume.

Powerpoint slides on the basic usage of the patch() and rotate() functions. Includes 13 Examples.

Function calculates shortest distance between two lines presented by two points for each line.

Imaging Complex Functions with a color map

ZigZagscan.m Transform an matrix to a vector using Zig Zag Scan.

A simple yet general purpose FVM solver for transient convection diffusion PDE

Provides a 5x-50x speedup over interp2

Simple example implements FDTD + UPML + Total Field/Scattered Field interface

Viola Jones Object detection using OpenCV trained classifiers

Function to check if a vertex is located inside or outside a given polygon. Overloaded for arrays of points.

Easily zoom, pan, rotate the camera in a Matlab axis with left/center/right mouse button

Template Matching with SSD Block Matching and Normalized CC, (color) 2D and 3D

2D Time independent Schroedinger equation solver

Function computes the shortest distance between two line segments.

Use affine matrix to convert 3D vol or 2D img to orthogonal one with corresponding affine matrix.

3D cone connecting 2 points

This function plots a line vector with arrow head.

Snake Segmentation (Kass et al), 2D/3D including GVF and balloon force (Easy to read code)

Graphs of several fiber optic modes

Segments images based dual thresholding with 2D or 3D connectivity neighborhoods.

calculate vector in periodic boundary conditions

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

SURF (Speeded Up Robust Features) image feature point detection / matching, as in SIFT

draw curved vectors from 2D vector data

Find intersection of N lines in D-dimensional space, in least squares sense.

Bins the elements of n matrices into an n-dimensional histogram.

Interpolates using nearest neighbor, bilinear or bicubic formula for missing data points

Advanced 2D/3D noise removal and edge enhancing with anisotropic diffusion filtering ( Weickert )