Patent · US Active

Multi-view ray tracing using edge detection and shader reuse

US8659597B2 · kind B2 · utility

4Cited by

5References

30Claims

0Family size

Assignee

Intel Corporation · US

Inventors

Bjorn Johnsson · Älvsbyn, SE
Magnus Andersson · Jönköping, SE
Tomas G. Akenine-Moller · Lund, SE
Carl J. Munkberg · Malmö, SE
Franz P. Clarberg · Lund, SE
Jon N. Hasselgren · Bunkeflostrand, SE

Key dates

Filing date	Sep 27, 2010
Grant date	Feb 25, 2014
Priority date	—
Expiry date	Jul 15, 2032

Classification

Technology area (CPC H)Electricity
CPC primaryH04N13/282
WIPO fieldAudio-visual technology
WIPO sectorElectrical engineering

Abstract

A multi-view image may be generated by detecting discontinuities in a radiance function using multi-view silhouette edges. A multi-view silhouette edge is an edge of a triangle that intersects a back tracing plane and, in addition, the triangle faces backwards, as seen from the intersection point, and the edge is not further connected to any back facing triangles. Analytical visibility may be computed between shading points and a camera line and shared shading computations may be reused.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.