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Published byCorey Daniels Modified over 9 years ago
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Advisor : Ku-Yaw Chang Speaker : Ren-Li Shen 1 2007/6/12
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Introduction Mesh Marching Cubes Algorithm Class Results Reference 2 2007/6/12
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Surface extraction Associated with image segmentation Not a segmentation technique Changes the way a segmentation is represented Method of surface extraction Marching Cubes algorithm 3 2007/6/12
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Introduction Mesh Marching Cubes Algorithm Class Results Reference 4 2007/6/12
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Mesh N-dimensional Represent shapes in space 2D: 3D: 5 2007/6/12
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Introduction Mesh Marching Cubes Algorithm Class Results Reference 6 2007/6/12
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Idea: Create a triangular mesh that will approximate the iso-surface Calculate the normals to the surface at each vertex of the triangle Algorithm: Locate the surface in a cube of eight pixels Calculate normals March to the next cube 7 2007/6/12
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Introduction Mesh Marching Cubes Algorithm Class Results Reference 9 2007/6/12
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Use class: itk::Mesh Implements the N-dimensional mesh structure 10 2007/6/12
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itk::BinaryMask3DMeshSource Construct a 3D mesh surface based on a binary mask Construct elements Combine elements to form the final mesh Merge all these mesh elements into one 3D mesh Input should be a 3D binary image 11 2007/6/12
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Introduction Mesh Marching Cubes Algorithm Class Results Reference 12 2007/6/12
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Output: 3 DICOM Files Nodes:89675 Cells:75826 5 DICOM Files Nodes:141247 Cells:149620 10 DICOM Files Nodes:268678 Cells:328718 13 2007/6/12
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Introduction Mesh Marching Cubes Algorithm Class Results Reference 14 2007/6/12
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1. Ibanez, Luis, et al., ”The ITK Software Guide,” U.S.A., Kitware Inc., 2005. 2. W. E. Lorensen and H. E. Cline. “Marching cubes: A high resolution 3d surface construction algorithm.” Computer Graphics, 21(4):163–169, July 1987. 15 2007/6/12
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