US 12,307,571 B2
Automatic level-of-detail for physically-based materials
Lutz Kettner, Berlin (DE); and Jan Jordan, Berlin (DE)
Assigned to NVIDIA CORPORATION, Santa Clara, CA (US)
Filed by NVIDIA Corporation, Santa Clara, CA (US)
Filed on Nov. 28, 2022, as Appl. No. 18/070,298.
Application 18/070,298 is a continuation of application No. 17/131,472, filed on Dec. 22, 2020, granted, now 11,514,637.
Application 17/131,472 is a continuation of application No. 16/662,539, filed on Oct. 24, 2019, granted, now 10,891,775, issued on Jan. 12, 2021.
Application 16/662,539 is a continuation of application No. 15/599,320, filed on May 18, 2017, granted, now 10,504,273, issued on Dec. 10, 2019.
Claims priority of provisional application 62/432,475, filed on Dec. 9, 2016.
Prior Publication US 2023/0111901 A1, Apr. 13, 2023
Int. Cl. G06T 15/04 (2011.01); G06F 16/901 (2019.01); G06F 30/20 (2020.01); G06T 15/00 (2011.01); G06T 15/50 (2011.01)
CPC G06T 15/04 (2013.01) [G06F 16/9024 (2019.01); G06F 30/20 (2020.01); G06T 15/005 (2013.01); G06T 15/506 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A method comprising:
applying one or more term rewriting rules to at least one first bidirectional reflectance distribution function (BRDF) to create at least one second BRDF having a reduced complexity with respect to the at least one first BRDF, wherein at least one term rewriting rule of the one or more term rewriting rules includes a pattern matching at least a portion of the at least one first BRDF; and
returning the at least one second BRDF.