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Proceedings Paper

Denight: nighttime image enhancement using daytime image
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Paper Abstract

Nighttime images of a scene from a surveillance camera have lower contrast and higher noise than their corresponding daytime images of the same scene due to low illumination. Denighting is an image enhancement method for improving nighttime images, so that they are closer to those that would have been taken during daytime. The method exploits the fact that background images of the same scene have been captured all day long with a much higher quality. We present several results of the enhancement of low quality nighttime images using denighting.

Paper Details

Date Published: 17 November 2008
PDF: 9 pages
Proc. SPIE 7266, Optomechatronic Technologies 2008, 72661H (17 November 2008); doi: 10.1117/12.807236
Show Author Affiliations
Akito Yamasaki, Hokkaido Univ. (Japan)
Hidenori Takauji, Hokkaido Univ. (Japan)
Shun'ichi Kaneko, Hokkaido Univ. (Japan)
Takeo Kanade, Carnegie Mellon Univ. (United States)
Hidehiro Ohki, Oita Univ. (Japan)


Published in SPIE Proceedings Vol. 7266:
Optomechatronic Technologies 2008

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