Blar i SINTEF Open på forfatter "Mathiassen, John Reidar Bartle"
-
A Machine Vision System for Robust Sorting of Herring Fractions
Guttormsen, Erik; Toldnes, Bendik; Bondø, Morten Steen; Eilertsen, Aleksander; Gravdahl, Jan Tommy; Mathiassen, John Reidar Bartle (Journal article; Peer reviewed, 2016-07-16)Among the rest raw material in herring (Clupea harengus) fractions, produced during the filleting process of herring, there are high-value products such as roe and milt. As of today, there has been little or no major effort ... -
Acoustic environment of aquaculture net-pens varies with feeding status of Atlantic salmon (Salmo salar)
Rosten, Carolyn; Mathiassen, John Reidar Bartle; Volent, Zsolt (Peer reviewed; Journal article, 2022)Continuous data on the condition of fish is necessary to monitor, control and document biological processes in fish farms in real-time, yet acquiring it from a large net-pen environment is challenging. Tools to rapidly ... -
Atlantic mackerel (Scomber scombrus) change skin colour in response to crowding stress
Tveit, Guro Møen; Anders, Neil; Bondø, Morten Steen; Mathiassen, John Reidar Bartle; Breen, Michael (Peer reviewed; Journal article, 2021)Wild capture can be stressful for fish. Stress has the potential to induce mortality in released unwanted catches or negative flesh quality consequences in retained ones. Such effects compromise sustainable natural resource ... -
Automatisk bløgging av villfisk "Automatisk fangstbehandling av hvitfisk om bord på snurrevadfartøy"
Toldnes, Bendik; Erikson, Ulf Gøran; Salomonsen, Cecilie; Eilertsen, Aleksander; Mathiassen, John Reidar Bartle; Westavik, Harry; Grimsmo, Leif (SINTEF Fiskeri og havbruk;A26238, Research report, 2014-07-15)Dette er sluttrapporten for Arbeidspakke 4 "Automatisk bløgging av villfisk" i prosjektet "Automatisk fangstbehandling av hvitfisk pa snurrevadfartøy" (FHF-prosjekt 900526). Målsettingen med prosjektet var å utvikle ... -
Automatisk singulering og kvalitetssortering i produksjonslinje for hel laks - Sluttrapport FHF-prosjekt 900847
Westavik, Harry; Øye, Elling Ruud; Bondø, Morten Steen; Eilertsen, Aleksander; Mathiassen, John Reidar Bartle (SINTEF Fiskeri og Havbruk reports;A27678, Research report, 2016-05-11)Prosjektet startet i 2013 med målsettingen; å utvikle konsept for automatisk singulering, orientering og sortering av hel laks basert på ytre kvalitetsparametere. Konseptene som utvikles i dette prosjektet skal sannsynliggjøre ... -
Automatisk veiing av pelagisk fisk ombord Fase 1 - Sluttrapport
Eilertsen, Aleksander; Aursand, Ida Grong; Mathiassen, John Reidar Bartle; Øye, Elling Ruud (SINTEF Fiskeri og Havbruk reports;A27568, Research report, 2016-04-14)Prissetting (kr/kg) av pelagisk fisk er i stor grad basert på individvekt og fastsatte vektklasser. Det er derfor av stor betydning å ha et godt estimat på vektfordelingen av fisken i hele verdikjeden. Det gjelder fra ... -
Bin Picking of Reflective Steel Parts Using a Dual-Resolution Convolutional Neural Network Trained in a Simulated Environment
Dyrstad, Jonatan Sjølund; Bakken, Marianne; Grøtli, Esten Ingar; Schulerud, Helene; Mathiassen, John Reidar Bartle (Chapter, 2019)We consider the case of robotic bin picking of reflective steel parts, using a structured light 3D camera as a depth imaging device. In this paper, we present a new method for bin picking, based on a dual-resolution ... -
Bin Picking of Reflective Steel Parts Using a Dual-Resolution Convolutional Neural Network Trained in a Simulated Environment
Dyrstad, Jonatan Sjølund; Bakken, Marianne; Grøtli, Esten Ingar; Schulerud, Helene; Mathiassen, John Reidar Bartle (Chapter, 2019-12-15)We consider the case of robotic bin picking of reflective steel parts, using a structured light 3D camera as a depth imaging device. In this paper, we present a new method for bin picking, based on a dual-resolution ... -
Bin Picking of Reflective Steel Parts using a Dual-Resolution Convolutional Neural Network Trained in a Simulated Environment
Dyrstad, Jonatan Sjølund; Bakken, Marianne; Grøtli, Esten Ingar; Schulerud, Helene; Mathiassen, John Reidar Bartle (Journal article; Peer reviewed, 2018-12-12)We consider the case of robotic bin picking of reflective steel parts, using a structured light 3D camera as a depth imaging device. In this paper, we present a new method for bin picking, based on a dual-resolution ... -
Discrimination between weaned and unweaned atlantic cod (Gadus morhua) in capture-based aquaculture (CBA) by X-ray imaging and radio-frequency metal detector
Misimi, Ekrem; Martinsen, Svein; Mathiassen, John Reidar Bartle; Erikson, Ulf Gøran (Journal article; Peer reviewed, 2014-04-17)The aim of this study was to investigate the feasibility of two detection methods for use in discrimination and sorting of adult Atlantic cod (about 2 kg) in the small scale capture-based aquaculture (CBA). Presently, there ... -
Evaluering av laste-/losse- og kjølesystem om bord på pelagisk fartøy Effekt på fangstkvalitet
Aursand, Ida Grong; Bondø, Morten Steen; Fossum, John A.; Mathiassen, John Reidar Bartle (SINTEF Fiskeri og havbruk rapporter;A22610, Research report, 2012-03-29)To forskningstokt på hhv makrell og NVG sild ble gjennomført for å evaluere et nytt laste-, kjøle- og lossesystem installert ombord på fartøyet M/S Christina E. - Lastekapasiteten var ikke tilfredsstillende ved de to ... -
Fremtidens teknologi for håndtering av pelagisk fangst ombord
Aursand, Ida Grong; Sævik, Rita; Ervik, Espen; Bondø, Morten Steen; Eilertsen, Aleksander; Mathiassen, John Reidar Bartle; Fossum, John André; Gjelseth, Leif Roger (SINTEF Fiskeri og Havbruk;A27191, Research report, 2015-11-02)Et nytt system for kjøling, lasting og lossing av pelagisk fisk er installert om bord på Christina E. Lasting og lossing er basert på henholdsvis under- og overtrykk. Flere forskningstokt er gjennomført for å utvikle ny ... -
Gradual Reduction in Sodium Content in Cooked Ham, with Corresponding Change in Sensorial Properties Measured by Sensory Evaluation and a Multimodal Machine Vision System
Greiff, Kirsti; Mathiassen, John Reidar Bartle; Misimi, Ekrem; Hersleth, Margrethe; Aursand, Ida Grong (Journal article; Peer reviewed, 2015)The European diet today generally contains too much sodium (Na+). A partial substitution of NaCl by KCl has shown to be a promising method for reducing sodium content. The aim of this work was to investigate the sensorial ... -
Grasping virtual fish: A step towards deep learning from demonstration in virtual reality
Dyrstad, Jonatan Sjølund; Mathiassen, John Reidar Bartle (Journal article; Peer reviewed, 2018-03-26)We present an approach to robotic deep learning from demonstration in virtual reality, which combines a deep 3D convolutional neural network, for grasp detection from 3D point clouds, with domain randomization to generate ... -
GRIBBOT - Robotic 3D vision-guided harvesting of chicken fillets
Misimi, Ekrem; Øye, Elling Ruud; Eilertsen, Aleksander; Mathiassen, John Reidar Bartle; Åsebø Berg, Olav; Gjerstad, Tone Beate; Buljo, Jan Olaf; Skotheim, Øystein (Journal article; Peer reviewed, 2016)In Norway, the final stage of front half chicken harvesting is still a manual operation due to a lack of automated systems that are suitably flexible with regard to production efficiency and raw material utilisation. This ... -
GRIBBOT - Robotic 3D vision-guided harvesting of chicken fillets
Misimi, Ekrem; Øye, Elling Ruud; Eilertsen, Aleksander; Mathiassen, John Reidar Bartle; Åsebø Berg, Olav; Gjerstad, Tone Beate; Buljo, Jan Olaf; Skotheim, Øystein (Journal article; Peer reviewed, 2016)In Norway, the final stage of front half chicken harvesting is still a manual operation due to a lack of automated systems that are suitably flexible with regard to production efficiency and raw material utilisation. This ... -
Lønnsom foredling av sjømat i Norge
Digre, Hanne; Bar, Eirin Marie Skjøndal; Mathiassen, John Reidar Bartle; Standal, Dag; Grimsmo, Leif; Henriksen, Kristian; Romsdal, Anita; Asche, Frank (SINTEF Fiskeri og havbruk reports;A26355, Research report, 2014)SINTEF Fiskeri og havbruk har sammen med professor Frank Asche foretatt en analyse av norsk sjømatindustris muligheter til lønnsom foredling av sjømat i Norge. Analysen omfatter vurderinger knyttet til: • Dagens situasjon ... -
Robotic Handling of Compliant Food Objects by Robust Learning from Demonstration
Misimi, Ekrem; Olofsson, Alexander; Eilertsen, Aleksander; Øye, Elling Ruud; Mathiassen, John Reidar Bartle (Chapter; Peer reviewed, 2018)The robotic handling of compliant and deformable food raw materials, characterized by high biological variation, complex geometrical 3D shapes, and mechanical structures and texture, is currently in huge demand in the ocean ... -
Robust classification approach for segmentation of blood defects in cod fillets based on deep convolutional neural networks and support vector machines and calculation of gripper vectors for robotic processing
Misimi, Ekrem; Øye, Elling Ruud; Sture, Øystein; Mathiassen, John Reidar Bartle (Peer reviewed; Journal article, 2017)Despite advances in computer vision and segmentation techniques, the segmentation of food defects such as blood spots, exhibiting a high degree of randomness and biological variation in size and coloration degree, has ... -
Sluttrapport: Automatisk fangstbehandling av hvitfisk om bord på snurrevadfartøy
Digre, Hanne; Erikson, Ulf Gøran; Toldnes, Bendik; Westavik, Harry; Mathiassen, John Reidar Bartle; Grimsmo, Leif; Gjøsund, Svein Helge (SINTEF Fiskeri og Havbruk;A26613, Research report, 2015-01-21)Dette er sluttrapporten til FHF-prosjektet "Automatisk fangstbehandling av hvitfisk på snurrevadfarøy" (FHF-prosjekt 900526). Det er utarbeidet delrapporter for de enkelte arbeidspakkene, som går mer i detalj på de enkelte ...