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- Article name
- SECONDARY LIGHT SOURCE CALIBRATION USING PHOTOS
- Authors
- Afanasiev V. V., , vafanasjev@graphics.cs.msu.ru, Keldysh Institute of Applied Mathematics (Russian Academy of Sciences), Moscow, Russia
Ignatenko A. V., , ignatenko@graphics.cs.msu.ru, MSU, Moscow, Russia
Tisevich I. O., , itisevich@graphics.cs.msu.ru, MSU, Moscow, Russia
- Keywords
- light source calibration / image synthesis / visualise / secondary light source
- Year
- 2014 Issue 2 Pages 41 - 45
- Code EDN
- Code DOI
- Abstract
- This article proposes a solution to a secondary light source calibration problem using photos of a scene. Primary and secondary light sources can exist in calibration photos, also they can be situated out of the field of view. The scene can contain a number of transparent objects. The parameters of primary light sources are calculated, then light distribution on the secondary light sources is determined. Also the absorption coefficient of transparent object material is calculated during the calibration process. The light source calibration helps to achieve higher photorealism of synthesized images.
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