Title :
Automatic camera control for AUVs: a comparison of image assessment methods
Author :
Chu, J.S. ; Lieberman, L.A. ; Downes, P.
Author_Institution :
Westinghouse Electric Corp., Annapolis, MD, USA
Abstract :
The authors compare the performance of a spatial domain and a spatial frequency domain control method used to assess image content information from charge coupled device (CCD) camera imagery. Sample underwater images were processed using the developed techniques and are used to illustrate comparative levels of control for different water qualities, object contrasts, and ranges. The implementation algorithm required to use these techniques to control an autonomous underwater vehicle´s camera light level and range-to-target distance is also presented
Keywords :
computer vision; marine systems; optical variables control; video cameras; CCD camera; autonomous underwater vehicles; image assessment methods; light level; marine systems; range-to-target distance; spatial domain control; spatial frequency domain control; underwater images; Automatic control; Cameras; Charge coupled devices; Charge-coupled image sensors; Light scattering; Mobile robots; Optical imaging; Optical scattering; Optical sensors; Remotely operated vehicles;
Conference_Titel :
Autonomous Underwater Vehicle Technology, 1992. AUV '92., Proceedings of the 1992 Symposium on
Conference_Location :
Washington, DC
Print_ISBN :
0-7803-0704-6
DOI :
10.1109/AUV.1992.225209
