publication . Article . Other literature type . 2015

Low-cost small action cameras in stereo generates accurate underwater measurements of fish

Jean-Baptiste Juhel; Jean-Baptiste Juhel; Laurent Vigliola; Jessica J. Meeuwig; Tom B. Letessier;
Open Access English
  • Published: 01 May 2015
  • Publisher: HAL CCSD
  • Country: France
Abstract
International audience; Small action cameras have received interest for use in underwater videography because of their low-cost, standardised housing, widespread availability and small size. Here, we assess the capacity of GoPro action cameras to provide accurate stereo-measurements of fish in comparison to the Sony handheld cameras that have traditionally been used for this purpose. Standardised stereo-GoPro and Sony systems were employed to capture measurements of known-length targets in a pool to explore the influence of the type of camera, distance to camera rig, angle to the optical axis and target speed on measurement accuracy. The capacity to estimate fis...
Subjects
free text keywords: Body size, Length, Monitoring, Stereo-photogrammetry, Videography, [SDE.BE]Environmental Sciences/Biodiversity and Ecology, [SDE.MCG]Environmental Sciences/Global Changes, [SDV.EE.ECO]Life Sciences [q-bio]/Ecology, environment/Ecosystems, Aquatic Science, Ecology, Evolution, Behavior and Systematics, Stereo photogrammetry, Biology, Optical axis, Underwater, Remote sensing, Accuracy and precision, Underwater videography
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