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Isocontour 1.0

  Date Added: July 25, 2013  |  Visits: 176


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This function ISOCONTOUR computes the isocontour geometry for a certain 2D image and isovalue. To Extract the isocontour geometry it uses Marching Squares and linear interpolation. Followed by sorting the contour geometry into separate contour-objects. This function is the 2D equivalent of Isosurface extraction using Marching Cubes in 3D. [Lines,Vertices,Objects]=isocontour(I,isovalue); inputs, I : An 2D image (grey-scale) isovalue : The Iso-value of the contour outputs, Lines : An array describing all the Line-pieces of the isocontour geomtery, with a N x 2 index list of vertices Vertices : Vertices (Corners) of the lines M x 2 list of X,Y coordinates Objects : A 1 x K cell array with in every cell a list of indices corresponding to one connect isocontour. If the isocontour is closed then the last index value is equal to first index value.

Requirements: No special requirements
Platforms: Matlab
Keyword: Array Describing Geomtery Index Isovalue Linepieces Lines Outputs Vertices
Users rating: 0/10

License: Shareware Size: 10 KB
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