Preprints

Filtering by Subject: Animal Sciences

Differences in running velocity and boldness between male and female Atlantic sand fiddler crab (Leptuca pugilator)

David Adrian Ortiz

Published: 2022-02-19
Subjects: Animal Sciences, Ecology and Evolutionary Biology, Marine Biology

Atlantic sand fiddler crabs (Leptuca pugilator) exhibit an extreme case of sexual dimorphism with the male crabs wielding an enlarged dominate claw that can account up to 40% of an individual’s total body mass. The salt pans found in marine marshes are commonly colonized by fiddler crabs and have limited coverage from avian predators, making the ability to quickly run back their burrows, an [...]

Fish species classification in underwater video monitoring using Convolutional Neural Networks

Frederik Kratzert, Helmut Mader

Published: 2018-05-16
Subjects: Animal Sciences, Aquaculture and Fisheries Life Sciences, Computer Sciences, Environmental Monitoring, Environmental Sciences, Life Sciences, Other Life Sciences, Physical Sciences and Mathematics, Software Engineering

This report presents a case study for automatic fish species classification in underwater video monitoring of fish passes. Although the presented approach is based on the FishCam monitoring system, it can be used with any video-based monitoring system. The presented classification scheme in this study, is based on Convolutional Neural Networks that do not require the calculation of any [...]

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