Method of representing a material
US8872825B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 25, 2010 |
| Grant date | Oct 28, 2014 |
| Priority date | — |
| Expiry date | Jun 3, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T15/04
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method is provided for representing a material by approximating an original function modeling the interaction of the material and of light emitted by a light source, which function is defined as a function of pixels, of viewpoints, and of light directions, the method comprising: for each viewpoint, the steps of performing a polynomial approximation of the original modeling function and a geometric approximation of a residue resulting from the difference between the original modeling function and the polynomial approximation of said function; and a step of simplification by decomposing the results obtained from the two approximations into wavelet packets.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.