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Cristin-resultat-ID:
2076256
Sist endret:
11. januar 2023, 12:44
NVI-rapporteringsår:
2022
Resultat
Vitenskapelig artikkel
2022
Motion Trajectory Estimation of Salmon Using Stereo Vision
Trym Anthonsen Nygård
Jan Henrik Jahren
Christian Schellewald
og
Annette Stahl
Tidsskrift
Tidsskrift
IFAC-PapersOnLine
ISSN 2405-8963
e-ISSN 2405-8963
NVI-nivå 1
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Om resultatet
Om resultatet
Vitenskapelig artikkel
Publiseringsår: 2022
Volum: 55
Hefte: 31
Sider: 363 - 368
Open Access
Lenker
Lenker
original online (doi)
https://doi.org/10.1016/j.ifacol.2022.10.455
Institusjonsarkiv
hdl.handle.net/11250/3042987
Beskrivelse
Beskrivelse
Engelsk
Tittel
Motion Trajectory Estimation of Salmon Using Stereo Vision
Sammendrag
A main concern for the aquaculture industry is the fish behaviour and welfare. Motion trajectory analysis of salmon at aquaculture farming sites with respect to certain aquaculture operations aims to provide information about the behaviour and possibly stress level of the farmed salmon and may help to generate a general welfare indicator index. Towards this aim we present an innovative computer vision and machine learning based approach for motion trajectory estimation of salmon. Video footage was recorded with a stereo camera setup. Deep learning based object detection was performed to detect particular features. We focused on tracking the fish eyes and heads as a reliable indicators of the fish's position. Feature matching and subsequent 3D reconstruction was performed to calculate the 3D position of the fish from which trajectories of the fish movement were estimated. Related experiments were conducted at an aquaculture research facility under natural lighting conditions and extracted trajectories allowed a qualitative verification. The developed method was verified using synthetic ground truth data produced with an open source computer graphics software for quantifiable performance metrics.
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Trym Anthonsen Nygård
Forfatter
ved Institutt for teknisk kybernetikk ved Norges teknisk-naturvitenskapelige universitet
Jan Henrik Jahren
Forfatter
ved Institutt for teknisk kybernetikk ved Norges teknisk-naturvitenskapelige universitet
Christian Schellewald
Forfatter
ved Havbruk ved SINTEF Ocean
Annette Stahl
Forfatter
ved Institutt for teknisk kybernetikk ved Norges teknisk-naturvitenskapelige universitet
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