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Representation of Three-dimensional Polygonal Mesh Models Using Hierarchical Partitioning and View dependent Progressive Transmission  

김성열 (광주과학기술원 정보통신공학과)
호요성 (광주과학기술원 정보통신공학과)
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Abstract
In this paper, we propose a new scheme for view-dependent transmission of three-dimensional (3-D) polygonal mesh models with hierarchial partitioning. In order to make a view-dependent representation of 3-D mesh models, we combine sequential and progressive mesh transmission techniques. By setting higher priorities to visible parts than invisible parts, we can obtain good qualify of 3-D models in a limited transmission bandwidth. In this paper, we use a multi -layer representation of 3-D mesh models based on hierarchical partitioning. After representing the 3-D mesh model in a hierarchical tree, we determine resolutions of partitioned submeshes in the last level. Then, we send 3-D model data by view-dependent selection using mesh merging and mesh splitting operations. By the partitioned mesh merging operation, we can reduce the joint boundary information coded redundantly in the partitioned submeshes. We may transmit additional mesh information adaptively through the mesh spritting operation.
Keywords
계층적 메쉬분할;분할메쉬 병합;분할메쉬 분리;인간 시점에 따른 전송;
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