Method and apparatus for data compression for three-dimensional graphics
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United States of America Patent
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Jul 30, 2002
Grant Date -
N/A
app pub date -
Jan 28, 2000
filing date -
Jan 29, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method of transmitting or storing three-dimensional graphics in highly compressed form captures the model as a set of virtual machine instructions including shape primitives and parameters, shape operators and flow commands. Remote readers receiving the shape instruction file of these instructions generate the necessary polygons for the model representation at the local site. In this way, extremely compact model representation may be created that may be loaded to remote sites at high speed. Composite shapes may be defined of the shape parameters where the definitions including a mapping from composite shape parameters to constituent shape parameters allowing compressed definition of these composite shape parameters suitable for downloading or storage as well as ease of use resulting from the allowance of composite shape parameters.
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