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This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License
Article
Three-Dimensional Reconstruction of Live Fish through the Moiré Technique
Author(s)
Ariovaldo José da Silva, Juliana Aparecida Fracarolli, Fernanda Fernandes Adimari Pavarin, Kátia Cristina Suzigan, Thais Queiroz Zorzeto Cesar and Inácio Maria Dal Fabbro
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DOI:10.17265/2161-6264/2018.04.006
Affiliation(s)
School of Agricultural Engineering, University of Campinas (UNICAMP), Av. Cândido Rondon, 501, Campinas 13083-875, SP, Brazil
ABSTRACT
Currently, in fish farms, the controls of the physical characteristics
of the fishes, for example, size and mass are made by means of the operation of
fish removal, in which the tanks are emptied to capture the animals and perform
the biometry. This operation demands large volumes of water and generates
effluent containing high concentrations of organic matter and nutrients that
can contribute to the deterioration of water quality in the recipient bodies.
Therefore, the development of technologies that use digital image processing,
such as the moiré technique and image analysis, can be important allies for the
preservation of environmental quality by avoiding the fish removal and the
discharge of effluents, increasing productivity due to optimization of the time
and still the saving of water. To obtain the images a 9-liter glass aquarium, a
support for notebook and light projector, a digital camera brand Samsung Galaxy
Camera 2 were used. The objective of this work was to obtain the
three-dimensional reconstruction of live fish in aquariums. In the future, the
technique can be developed to obtain the mass and the volume of the fish in
fish tanks, replacing the fish removal, allowing the preservation of water
resources.
KEYWORDS
Oreochromis niloticus, fish removal, water saving, image analysis, biometrics.
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