Computer graphics processing and selective visual display system – Computer graphics processing – Three-dimension
Reexamination Certificate
2011-08-09
2011-08-09
Nguyen, Kimbinh T (Department: 2628)
Computer graphics processing and selective visual display system
Computer graphics processing
Three-dimension
C345S419000, C345S427000, C345S581000, C345S582000, C382S117000, C356S511000
Reexamination Certificate
active
07995059
ABSTRACT:
A method for a computer system includes retrieving from a computer readable medium a first irradiance approximation for a plurality of light sources for a first distance in the midfield from the light sources; retrieving from the computer readable medium a second irradiance approximation for the plurality of light sources for a second distance in the farfield, where the second distance is greater than the first distance; and interpolating the first irradiance approximation and the second irradiance approximation to generate a third irradiance approximation for a point having a third distance from the light sources.
REFERENCES:
patent: 6567083 (2003-05-01), Baum et al.
patent: 6587276 (2003-07-01), Daniell
patent: 7286214 (2007-10-01), Reinersman et al.
patent: 7460985 (2008-12-01), Benitez et al.
Krivanek et al. “Radiance Caching for Efficient Global Illumination Computation”, IEEE, 2005.
Smyk et al. “Temporally Coherent Irradiance Caching for High Quality Animation Rendering”, EUROGRAPHICS 2005.
Arikan et al. “Fast and Detailed Approximate Global Illumination by Irradiance Decomposition”, ACM 2005.
Tabellion et al. “An Approximate Global Illumination System for Computer Generated Films”, ACM 2004.
Ravi Ramamoorthi et al. “Frequency Space Environment Map Rendering”. ACM 2002.
Sloan et al. “Precomputed Radiance Transfer for Real-Time Rendering in Dynamic, Low-Frequency Lighting Environments”. ACM 2002.
Ravi Ramamoorthi et al. “An Efficient Representation for Irradiance Environment Maps”, ACM 2001.
Ravi Ramamoorthi et al. “On the relationship between radiance and irradiance: determining the illumination from images of a convex Lambertian object”. Published 2001.
Albert Philip H.
Kilpatrick Townsend & Stockton LLP
Nguyen Kimbinh T
Pixar
LandOfFree
Mid-field and far-field irradiance approximation does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Mid-field and far-field irradiance approximation, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Mid-field and far-field irradiance approximation will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2694169