Lidar images of adult salmon are presented. The lidar system is built around a pulsed green laser and a gated intensified CCD camera. The camera gating is timed to collect light scattered from the turbid water below the fish to produce shadows in the images. Image processing increases the estimated contrast-to-noise ratio from 3.4 in the original image to 16.4 by means of a matched filter.
© 2004 Optical Society of America
(010.3640) Atmospheric and oceanic optics : Lidar
(010.4450) Atmospheric and oceanic optics : Oceanic optics
(100.2980) Image processing : Image enhancement
(110.7050) Imaging systems : Turbid media
(280.3640) Remote sensing and sensors : Lidar
James H. Churnside and James J. Wilson, "Airborne Lidar Imaging of Salmon," Appl. Opt. 43, 1416-1424 (2004)