US 12,155,936 B2
Method for simulating an optical image representation
Martin Koerner, Jena (DE); Alexander Schroer, Aalen (DE); and Christopher Weth, Aalen (DE)
Assigned to Carl Zeiss AG, Oberkochen (DE)
Filed by Carl Zeiss AG, Oberkochen (DE)
Filed on Feb. 3, 2022, as Appl. No. 17/592,342.
Claims priority of application No. 10 2021 200 965.4 (DE), filed on Feb. 3, 2021.
Prior Publication US 2022/0247906 A1, Aug. 4, 2022
Int. Cl. H04N 23/71 (2023.01); G06T 3/4007 (2024.01); G06T 5/50 (2006.01); H04N 23/67 (2023.01)
CPC H04N 23/71 (2023.01) [G06T 3/4007 (2013.01); G06T 5/50 (2013.01); H04N 23/67 (2023.01); G06T 2207/20221 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A method for generating a brightness contribution for a picture element of an image by simulating an image representation of a scene using an optical imaging system which comprises an image recorder located on a first surface and a lens, the method comprising:
providing a first data record comprising data which describe an effect on light rays of the lens to be simulated;
providing a second data record comprising data about a point of incidence of a light ray on the image recorder and about a virtual front surface;
providing a transformation rule;
calculating a first point of intersection of the light ray with the virtual front surface and a direction of the light ray at the first point of intersection by applying the transformation rule to the first data record and the second data record;
determining the brightness contribution of the light ray; and
storing an information item regarding the brightness contribution of the light ray,
wherein:
the first data record comprises data about a second surface, and
the second data record comprises data about a second point of intersection of the light ray with the second surface.