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Feature based volumetric video compression for interactive playback
- Authors
- Sohn, B.-S.; Bajaj, C.; Siddavanahalli, V.
- Issue Date
- Oct-2002
- Publisher
- Institute of Electrical and Electronics Engineers Inc.
- Keywords
- Compression; Hardware-Acceleration; Isocontouring; Time-Varying Volume Visualization; Wavelet Transform
- Citation
- Proceedings - IEEE / ACM SIGGRAPH Symposium on Volume Visualization and Graphics 2002, VolVis 2002, pp 89 - 96
- Pages
- 8
- Journal Title
- Proceedings - IEEE / ACM SIGGRAPH Symposium on Volume Visualization and Graphics 2002, VolVis 2002
- Start Page
- 89
- End Page
- 96
- ISSN
- 0000-0000
- Abstract
- In this paper, we describe a compression scheme for encoding time-varying isosurfaces and amorphous volumetric features (volumes within specified value ranges) in a unified way, which allows for on-line reconstruction and rendering. Since the size of even one frame in a time-varying data set is very large, transmission and online reconstruction are the main bottlenecks for interactive visualization of time-varying volume and surface data. To increase the run-time decompression speed and compression ratio, we decompose the volume into small blocks and encode only the significant blocks that contribute to the isosurface and volumetric features. The result shows that our compression scheme achieves high compression ratio with fast reconstruction, which is effective for client-side rendering of time-varying isosurfaces with amorphous volumetric features.
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