Data Compression Techniques for CT Image Archiving

Rhodes, Mìchael L.; Quinn, John F.; Rosner, Bruce

doi:10.1097/00004728-198312000-00047

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Exploiting Spatial Coherence1

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1985

2000

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Cited by 11 publications

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“…Various methods for Fourier domain compression and rendering are discussed in [13] [16] [3]. On the other hand, Fowler [5] utilised a combination of differential pulse-code modulation and Huffman coding to achieve lossless compression as well as Lacroute [11] and Rhodes [20] which used run-length encoding to eliminate blank space in the volume.…”

Section: Exploiting Spatial Coherencementioning

confidence: 99%

4D volume rendering with the Shear Warp factorisation

Waterfall

Atherton

Anagnostou

2000

Proceedings of the 2000 IEEE Symposium on Volume Visualization - VVS '00

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A novel approach for rendering time-varying data based on the Shear-Warp factorisation is presented. Reduction in storage space is achieved by detecting the changed areas within each volume and compressing them. Time-coherence is exploited by detecting and rendering the changes in every volume while spatial-coherence is exploited by utilising a data structure that allows easy volume update and stores information about the empty space within each volume.

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