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| Type | Conference or Workshop Paper |
| Scope | Discipline-based scholarship |
| Published in Proceedings | Yes |
| Title | XSplat: External Memory Multiresolution Point Visualization |
| Organization Unit | |
| Authors |
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| Presentation Type | paper |
| Item Subtype | Original Work |
| Refereed | Yes |
| Status | Published in final form |
| Page Range | 628 - 633 |
| Event Title | IASTED International Conference on Visualization, Imaging and Image Processing |
| Event Type | conference |
| Event Location | Benidorm, Spain |
| Event Start Date | July 9 - 2005 |
| Event End Date | September 9 - 2005 |
| Abstract Text | With the popularity of points as graphics primitives, it is important to handle large-scale point sets that exceed available in-core (main) memory. In particular, high-performance level-of-details (LODs) visualization from out-of-core is a challenging problem. In this context we present a novel point-splatting approach, short XSplat, that breaks the main memory barrier. It is based on a paginated multiresolution point hierarchy and virtual memory mapping. The main contributions are a novel block-based sequential multiresolution point hierarchy, an efficient LOD-block paging mechanism and dynamic mapping into video-cache. XSplat is scalable by using sequentialized data structures, and it seamlessly bridges the disk-, mainand video-memory sub-systems. Experiments demonstrate the quality and efficiency that is achieved by XSplat. |
| Other Identification Number | merlin-id:407 |
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