Method of wavelet coding a mesh object
US7555168B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jul 4, 2002 |
| Grant date | Jun 30, 2009 |
| Priority date | — |
| Expiry date | Jan 10, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T9/007
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
The invention relates to a method for the coding an object having at leas two dimensions which is associated with a basic mesh comprising a set of basic surfaces and with coefficients in a base of wavelets corresponding to local modifications to said basic mesh. The inventive method delivers a global data flow that can be used to reconstruct the object. According to the invention, said wavelet coefficients are partitioned into at least two disjoint subsets each of which is encoded independently. Subsequently, positional data are inserted by the method into the global data flow which can be used to locate wavelet coefficients relative to a portion of the object in said global data flow, in such a way to enable a selective reconstruct of said portion using the coefficients of at least one said subsets.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.