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Proceedings Paper

Experimental evaluation of underwater range-gated viewing in natural waters
Author(s): H. M. Tulldahl; P. Andersson; A. Olsson; A. Andersson
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Paper Abstract

In this work we evaluate the imaging performance of a range-gated underwater system in natural waters. Trials have been performed in both turbid and clear water. The field trials show that images can be acquired at significantly longer distances with the gated camera, compared to a conventional video camera. The distance where a target can be detected is increased by a factor of 2. For images suitable for object identification, the range improvement factor is typically 1.5. We also show examples of image processing of the range-gated images, which increases the image quality significantly.

Paper Details

Date Published: 5 October 2006
PDF: 8 pages
Proc. SPIE 6395, Electro-Optical and Infrared Systems: Technology and Applications III, 639506 (5 October 2006); doi: 10.1117/12.689860
Show Author Affiliations
H. M. Tulldahl, Swedish Defence Research Agency (Sweden)
P. Andersson, Swedish Defence Research Agency (Sweden)
A. Olsson, Swedish Defence Research Agency (Sweden)
A. Andersson, Swedish Defence Research Agency (Sweden)


Published in SPIE Proceedings Vol. 6395:
Electro-Optical and Infrared Systems: Technology and Applications III
Ronald G. Driggers; David A. Huckridge, Editor(s)

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