evaluate a shark . You could do it by catching one and concur up a tape measure from its fin to its brain . Or you could employ a tv camera and keep some space between yourself and jaw . That ’s whatDr Mark Meekanand Gabriel Vianna are doing in the shark sanctuary at Palau : Using two photographic camera ride in a rig , a junction rectifier used to sync TV frames , and the geometry between them to measure the shark from afar .
The proficiency , which is extremely accurate , has been report before in a 2009 paper entitledA Review of Underwater Stereo - Image Measurement For marine Biology and Ecology Applications . [ save our seasviaThe Scuttlefish . Donate to bring through Our Seas . Image CreditPeter Verhoog ]
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