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Proceedings Paper

Image enhancement for noisy color imagery
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Paper Abstract

Recently new techniques for night vision cameras are developed. So-called EMCCD cameras are able to record color information about the scene. However, in low-light situations this imagery becomes noisy. This is also the case for normal CCD cameras in dark situations or in shadowed areas. In this paper we present image enhancement techniques for noisy color imagery. The techniques are based on grey-value image enhancement techniques, in particular dynamic super-resolution reconstruction, which is used to enhance the lightness of the image, and local adaptive contrast enhancement. With the super-resolution technique the temporal noise in the lightness channel of the imagery is removed. The color information of the images is spatially filtered using the edge information of the enhanced lightness image. The result is colored output imagery with reduced temporal noise.

Paper Details

Date Published: 2 October 2008
PDF: 11 pages
Proc. SPIE 7113, Electro-Optical and Infrared Systems: Technology and Applications V, 71131A (2 October 2008); doi: 10.1117/12.800274
Show Author Affiliations
Judith Dijk, TNO Defence , Security and Safety (Netherlands)
Richard J. M. den Hollander, TNO Defence , Security and Safety (Netherlands)


Published in SPIE Proceedings Vol. 7113:
Electro-Optical and Infrared Systems: Technology and Applications V
David A. Huckridge; Reinhard R. Ebert, Editor(s)

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