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dc.contributor.author Madi, Mohsen Mohamed en_US
dc.date.accessioned 2007-05-25T18:33:28Z
dc.date.available 2007-05-25T18:33:28Z
dc.date.issued 2000-01-01T00:00:00Z en_US
dc.identifier.uri http://hdl.handle.net/1993/2243
dc.description.abstract The design and display of 3D models on a computer is usually interleaved by a series of data manipulations. Data are usually sets of 3D points that make up polygonal patches of the polyhedral models. Manipulations are the transformation operations that are applied to the 3D points to facilitate design and visual understanding of the graphical models. To further automate and facilitate design and visual understanding of the displayed models for applications such as the field of anatomy, or speed up the design phase for applications such as rapid prototyping, methods are proposed to interactively query data points on the surface for shape control, segment portions of displayed surfaces for independent modification, modify and re-integrate the modified segments to the main structure. This has the advantage of limiting the number of polygons that need to be manipulated for computationally cheaper and faster results. This dissertation illustrates how polyhedral surfaces can be organized into special data structures to facilitate rapid selection of groups of data points, and provides novel algorithms to facilitate the applications of interactive operations on such selected data. en_US
dc.format.extent 4911079 bytes
dc.format.extent 184 bytes
dc.format.mimetype application/pdf
dc.format.mimetype text/plain
dc.language en en_US
dc.language.iso en_US
dc.title Surface segmentation and shape modification for 3D geometric objects en_US
dc.degree.discipline Computer Science en_US
dc.degree.level Doctor of Philosophy (Ph.D.) en_US


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