Time-varying volume geometry compression with 4d lifting wavelet transform

Authors:
Yan Wang;Heba Hamza
Affiliations:
NSF Center for e-Design, University of Central Florida, Orlando, FL;NSF Center for e-Design, University of Central Florida, Orlando, FL
Venue:
GMP'06 Proceedings of the 4th international conference on Geometric Modeling and Processing
Year:
2006

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Abstract

Geometry compression is an effective way to distribute high-volume geometry data within limited bandwidth and storage capacity. In this paper, a new time-varying 3D geometry compression method based on 4D lifted wavelet transform is presented. In this hybrid approach, geometric information and animation are compressed based volume grid values. Isosurfaces are reconst-ructed from decompressed grid values. With rescaling and integer-to-integer lifting, compression ratio is significantly increased without compromising quality of surfaces.