Underwater Video Survey: Planning and Data Processing

Y. Rzhanov (USA)



The importance of underwater video surveys as an ex ploration tool has been steadily increasing over recent years [1]. Better photographic equipment, more effec tive sources of illumination, and improved processing tech niques - all make video surveying a reliable tool for seafloor habitat mapping, sediment boundary delineation and groundtruthing, mapping and documentation of foren sic and archaeological sites. There is a change in attitude towards video surveying that affects the way the data is col lected, and hence its quality. Earlier video data processing algorithms had to cope with whatever was recorded (often simultaneously with acquisition of other data, considered to be more important). Now we have a chance to plan ahead and organize a survey in a way most suitable for the pro cessing. The goal of this paper is to review available process ing techniques and to discuss preferable survey patterns, associated errors and processing stability.

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