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Proceedings Paper

Using lightfields to simulate the performance of optical systems
Author(s): Jim Schwiegerling
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Paper Abstract

The light field describes the radiance at a given point from a ray coming from a particular direction. Total irradiance comes from all rays passing the point. For a static scene, the light field is unique. Cameras integrate the light field. Each camera pixel sees the integration of the light field over the entrance pupil for ray directions associated with lens aberrations. Images of this scene for any lens can then be simulated if the light field is known at its entrance pupil. Freeware rendering software was used to create a scene’s light field and images for real camera lenses with different aberrations are simulated.

Paper Details

Date Published: 17 September 2018
PDF: 6 pages
Proc. SPIE 10743, Optical Modeling and Performance Predictions X, 1074308 (17 September 2018); doi: 10.1117/12.2320662
Show Author Affiliations
Jim Schwiegerling, College of Optical Sciences, The Univ. of Arizona (United States)

Published in SPIE Proceedings Vol. 10743:
Optical Modeling and Performance Predictions X
Mark A. Kahan; Marie B. Levine-West, Editor(s)

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