### Citations

1342 | Least squares quantization in pcm
- Lloyd
- 1957
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Citation Context ... precision. Uniform quantization is not well suited for quantizing these coefficients since they often have fairly non-uniform distributions. Instead, quantization occurs using Lloyd-Max quantization =-=[11, 15]-=- which adaptively selects quantization levels that minimize mean square error. The quantized coefficients are then combined into a single scalar which is stored in a texture that will be used for the ... |

551 |
Accelerated Volume Rendering and Tomographic Reconstruction Using Texture Mapping Hardware
- Cabral, Cam, et al.
- 1994
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Citation Context ...nerate impressive graphics for video games can also be applied to make effective visualizations. For example, commodity PC graphics cards have been used for volume rendering of static volumetric data =-=[3, 20]-=-. Volume rendering requires the loading of the volumetric data into the texture memory of the video card prior to rendering. The size of the volume that can be rendered is often limited by the amount ... |

399 |
Introduction to data compression
- Sayood
- 2005
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Citation Context ...ding The encoding process consists of mapping sequences of scalars into single scalar indices. We perform this process using transform encoding, specifically using the Discrete Cosine Transform (DCT) =-=[10, 8, 19]-=-. Transform encoding is a compression method that transforms data into a set of coefficients that are then quantized to create a more compact representation. The transform by itself is reversible, and... |

323 | Octrees for faster isosurface generation
- Wilhelms, Gelder
- 1992
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Citation Context ...later time steps. Wilhelms and Van Gelder [25] design hierarchical data structures for controlled compression and volume rendering. They extend octrees and a branch-on-need (BON) subdivision strategy =-=[24]-=- to handle multi-dimensional data. Sutton and Hansen [22] propose a temporal branch-on-need tree (TBON) as an extension to the 3-D BON tree for time-varying isosurface extraction. Shen, Chiang, and Ma... |

285 |
Quantizing for minimum distortion
- Max
(Show Context)
Citation Context ... precision. Uniform quantization is not well suited for quantizing these coefficients since they often have fairly non-uniform distributions. Instead, quantization occurs using Lloyd-Max quantization =-=[11, 15]-=- which adaptively selects quantization levels that minimize mean square error. The quantized coefficients are then combined into a single scalar which is stored in a texture that will be used for the ... |

179 | R.: SCIRun : A Scientific Programming Environment for Computational Steering - PARKER, JOHNSON - 1995 |

105 |
A fast volume rendering algorithm for time-varying fields using a time-space partitioning (tsp) tree
- Shen, Chiang, et al.
- 1999
(Show Context)
Citation Context ...to handle multi-dimensional data. Sutton and Hansen [22] propose a temporal branch-on-need tree (TBON) as an extension to the 3-D BON tree for time-varying isosurface extraction. Shen, Chiang, and Ma =-=[20]-=- introduce a hierarchical data structure, called Time-Space Partitioning (TSP) tree, for a better utilization of both spatial and temporal coherence. In essence, the skeleton of a TSP tree is a standa... |

65 | Multi-Dimensional Trees for Controlled Vol- ume Rendering and Compression
- WILHELMS, GELDER
- 1994
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Citation Context ...me steps can be merged to share subtrees. Consequently, during rendering, partial images built from subtrees that have not changed over time may be reused in later time steps. Wilhelms and Van Gelder =-=[25]-=- design hierarchical data structures for controlled compression and volume rendering. They extend octrees and a branch-on-need (BON) subdivision strategy [24] to handle multi-dimensional data. Sutton ... |

59 | High performance visualization of timevarying volume data over a wide-area network status
- Ma, Camp
- 2000
(Show Context)
Citation Context ... to stream large volume files throughout the course of the visualization process. The other is the delay due to transferring the resulting images over a potentially non-dedicated network. Ma and Camp =-=[13]-=- develop a post-processing parallel visualization strategy based on a pipelined rendering. They demonstrate remote visualization of time-varying volume data on a PC cluster over a wide-area network. P... |

54 | Isosurface extraction in time-varying fields using a temporal branch-on-need tree(T-BON
- Sutton, Hansen
- 1999
(Show Context)
Citation Context ...rarchical data structures for controlled compression and volume rendering. They extend octrees and a branch-on-need (BON) subdivision strategy [24] to handle multi-dimensional data. Sutton and Hansen =-=[22]-=- propose a temporal branch-on-need tree (TBON) as an extension to the 3-D BON tree for time-varying isosurface extraction. Shen, Chiang, and Ma [20] introduce a hierarchical data structure, called Tim... |

51 | Accelerating timevarying hardware volume rendering using TSP trees and color-based error metrics
- Ellsworth, Chiang, et al.
- 2000
(Show Context)
Citation Context ...enderer to use data from subvolumes of different spatial and temporal resolutions, which is not possible for 4-d octrees. The TSP tree data structure has been also used by Ellsworth, Chiang, and Shen =-=[7]-=- to facilitate large scale volume rendering using 3-D texture hardware. Further speedup of rendering may be made by utilizing parallel computers or graphics hardware. However, even though a parallel c... |

47 | Differential Volume Rendering: A Fast Volume Visualization Technique for Flow Animation
- SHEN, JOHNSON
- 1994
(Show Context)
Citation Context ...cient way. Using proper encoding and exploiting temporal coherence or spatial coherence or both, the storage requirements and rendering cost of the data may be significantly reduced. Shen and Johnson =-=[21]-=- take advantage of temporal coherence, using difference encoding to significantly diminish storage and rendering requirements. Westermann [23] performs wavelet encoding of each time step separately to... |

44 | Compression domain rendering of time-resolved volume data
- WESTERMANN
- 1995
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Citation Context ...f the data may be significantly reduced. Shen and Johnson [21] take advantage of temporal coherence, using difference encoding to significantly diminish storage and rendering requirements. Westermann =-=[23]-=- performs wavelet encoding of each time step separately to generate a compressed multiscale tree structure. Further compression can be obtained by examining the resulting tree structures and wavelet c... |

27 | H.-W.: Compression and accelerated rendering of time-varying volume data
- MA, SHEN
(Show Context)
Citation Context ...g of each time step separately to generate a compressed multiscale tree structure. Further compression can be obtained by examining the resulting tree structures and wavelet coefficients. Ma and Shen =-=[14]-=- discuss how nonuniform quantization along with octree and difference encoding can be employed to speed up rendering of timevarying volume data. They show that the octrees for consecutive time steps c... |

19 | Runtime Volume Visualization for Parallel CFD - MA - 1995 |

19 | A Distributed, Parallel, Interactive Volume Rendering Package - ROWLAN, LENT, et al. - 1994 |

17 | Unsteady Visualization of Grand Challenge Size CFD Problems: Traditional Post- Processing vs - HAIMES - 1996 |

16 | Interactive direct volume rendering of timevarying data. datVisualizationâ€™99
- Clyne, Dennis
- 1999
(Show Context)
Citation Context ...ilization. Visually lossless compression is used to significantly cut down the cost of transferring output images from the PC cluster to a display device through a wide-area network. Clyne and Dennis =-=[5]-=- employ similar techniques, using double buffering to help mask both the costs of volume data I/O over a high-bandwidth channel and hide image transmition over a TCP/IP network. The methods introduced... |

9 | Volume visualizing high-resolution turbulence computations
- Clyne, Scheitlin, et al.
- 1998
(Show Context)
Citation Context ...ngs quickly and easily, animate forward and backward in time, change viewpoints, zoom in and out on features of interest, all at interactive rates, is essential for maximizing scientific productivity =-=[4]-=-. In this paper, we discuss how time-varying volume data sets can be efficiently rendered by utilizing a PC, low cost graphics hardware, and an inexpensive disk array. Transform encoding of the volume... |

6 |
Using texture compression in OpenGL
- DOMINE
- 2000
(Show Context)
Citation Context ...based techniques to store textures at varying degrees of both spatial and temporal resolution. Our method differs from compression methods supported in hardware like those supported with DXTC or S3TC =-=[6]-=- in that those methods compress 32-bit RGBA data, not 8-bit index data. Since these methods do not apply to paletted textures, it would be necessary to recompress the volume when changes to the color ... |

5 |
Research Associate at the
- BRUMMELL
- 2001
(Show Context)
Citation Context ...her optimization strategies is an acceptable tradeoff for enabling interactive exploration of temporal data, provided the gross features of evolving structures is preserved as it is in our test cases =-=[17, 2]-=-. It is worth noting that many NCAR researchers commonly perform crude data reduction using simple zeroorder subsampling in order to accommodate interactive exploration with the tools presently availa... |

5 |
Scientist at the National
- RAST
- 2001
(Show Context)
Citation Context ...her optimization strategies is an acceptable tradeoff for enabling interactive exploration of temporal data, provided the gross features of evolving structures is preserved as it is in our test cases =-=[17, 2]-=-. It is worth noting that many NCAR researchers commonly perform crude data reduction using simple zeroorder subsampling in order to accommodate interactive exploration with the tools presently availa... |

2 | OpenGL Extension Registry, http://oss.sgi.com/projects/oglsample/registry/EXT/shared_texture_palette .txt - Extsharedtexturepalette - 1997 |