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Proceedings Paper

Multispectral high dynamic range imaging
Author(s): Johannes Brauers; Nils Schulte; André A. Bell; Til Aach
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Paper Abstract

Capturing natural scenes with high dynamic range content using conventional RGB cameras generally results in saturated and underexposed and therefore compromising image areas. Furthermore the image lacks color accuracy due to a systematic color error of the RGB color filters. The problem of the limited dynamic range of the camera has been addressed by high dynamic range imaging1, 2 (HDRI): Several RGB images of different exposures are combined into one image with greater dynamic range. Color accuracy on the other hand can be greatly improved using multispectral cameras,3 which more accurately sample the electromagnetic spectrum. We present a promising combination of both technologies, a high dynamic range multispectral camera featuring a higher color accuracy, an improved signal to noise ratio and greater dynamic range compared to a similar low dynamic range camera.

Paper Details

Date Published: 28 January 2008
PDF: 12 pages
Proc. SPIE 6807, Color Imaging XIII: Processing, Hardcopy, and Applications, 680704 (28 January 2008); doi: 10.1117/12.761105
Show Author Affiliations
Johannes Brauers, RWTH Aachen Univ. (Germany)
Nils Schulte, RWTH Aachen Univ. (Germany)
André A. Bell, RWTH Aachen Univ. (Germany)
Til Aach, RWTH Aachen Univ. (Germany)

Published in SPIE Proceedings Vol. 6807:
Color Imaging XIII: Processing, Hardcopy, and Applications
Reiner Eschbach; Gabriel G. Marcu; Shoji Tominaga, Editor(s)

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