Browsing Institutt for elektroniske systemer by Author "Alfredsen, Jo Arve"
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Data for characterization of the optical properties of Atlantic salmon (Salmo salar) blood
Svendsen, Eirik; Randeberg, Lise Lyngsnes; Føre, Martin; Finstad, Bengt; Olsen, Rolf-Erik; Bloecher, Nina; Alfredsen, Jo Arve (Peer reviewed; Journal article, 2023)Photoplethysmography is a recent addition to physio-logging in Atlantic salmon which can be used for pulse oximetry provided that the properties for light propagation in salmon tissues are known. In this work, optical ... -
Designing a Flow-Through Particle Imaging System for Autonomous Surface Vehicles
Haugum, Matias (Master thesis, 2022)Innsamling av vannprøver er ofte gjort for h˚and, og logistikken rundt innhenting og analyse av prøver kan være en tidkrevende prosess. In-situ partikkelavbilding ved hjelp av autonome overflatefartøy og billedtakingsystemer ... -
ECG augmented pulse oximetry in Atlantic salmon (Salmo salar)—A pilot study
Svendsen, Eirik; Føre, Martin; Randeberg, Lise Lyngsnes; Olsen, Rolf-Erik; Finstad, Bengt; Remen, Mette; Bloecher, Nina; Alfredsen, Jo Arve (Peer reviewed; Journal article, 2023)Understanding the tolerance limits of fish is crucial for developing aquaculture operations that ensure good animal welfare. However, there exist little data describing the physiological responses in farmed Atlantic salmon, ... -
Embedded System for Underwater Data Acquisition
Halsos, Odd Inge (Master thesis, 2020)En små-skala oppdrftsaktuator, designet for a holde en gitt dybde mellom 0 og 50 meter, har potensial til å bli et nyttig verktøy med bruksområde relatert til kart- legging av undervannsstrømmer og innsamling av data. Ut ... -
Optical measurement of tissue perfusion changes as an alternative to electrocardiography for heart rate monitoring in Atlantic salmon (Salmo salar)
Svendsen, Eirik; Økland, Finn; Føre, Martin; Randeberg, Lise Lyngsnes; Finstad, Bengt; Olsen, Rolf Erik; Alfredsen, Jo Arve (Peer reviewed; Journal article, 2021)Background: Welfare challenges in salmon farming highlights the need to improve understanding of the fish’s response to its environment and rearing operations. This can be achieved by monitoring physiological responses ...