Browsing Fysisk institutt by Title

Now showing items 942-961 of 3682

  • Estimating Predictive Uncertainty in Gastrointestinal Image Segmentation 
    Jacobsen, Felicia Ly (Master thesis / Masteroppgave, 2022)
    Deep learning models are known to achieve state-of-the-art performance in numerous applications. Applying these models to the medical field can relieve demanding workloads and decrease the number of observational oversights ...
  • Estimation and correction of deviations between camera and audio images in acoustic imaging 
    Hamran, Axel Rémi (Master thesis / Masteroppgave, 2020)
    Acoustic imaging allows the detection and localisation of sound sources in industrial applications. Commonly, acoustic imaging involves combining an array of microphones with a digital camera module. While the camera module ...
  • Estimation of cold plasma outflow during geomagnetic storms 
    Haaland, Stein; Eriksson, A.; Maes, L.; Baddeley, Lisa; Barakat, A.; Chappell, R.; Eccles, V.; Johnsen, C.; Lybekk, Bjørn; Li, K.; Pedersen, A; Schunk, R.; Welling, D. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2015)
    Low-energy ions of ionospheric origin constitute a significant contributor to the magnetospheric plasma population. Measuring cold ions is difficult though. Observations have to be done at sufficiently high altitudes and ...
  • Estimation of heart rate variability from finger photoplethysmography during rest, mild exercise and mild mental stress 
    Singstad, Bjørn Jostein; Azulay, Naomi; Bjurstedt, A.; Bjørndal, S. S.; Drageseth, M. F.; Austdal, Lars Peter Engeset; Eriksen, Kari; Gidey, M. Y.; Granum, E. O.; Greaker, Matias G.; Grorud, A.; Hewes, Sebastian O.; Hou, Jie; Llop Recha, Adrian Miguel; Matre, Christoffer; Seputis, A.; Sørensen, S. E.; Thøgersen, V.; Joten, Vegard Munkeby; Tronstad, Christian; Martinsen, Ørjan Grøttem (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
    Abstract Due to the possibilities in miniaturization and wearability, photoplethysmography (PPG) has recently gained a large interest not only for heart rate measurement, but also for estimating heart rate ...
  • Estimation of Metabolic Oxygen Consumption From Optical Measurements in Cortex 
    Sætra, Marte Julie (Master thesis / Masteroppgave, 2016)
    We seek a standardized method for estimating cerebral metabolic rate of oxygen (CMRO2) from optical measurements of partial pressure of oxygen (pO2). This parameter is critical for understanding how the brain responds to ...
  • Estimation of neural network model parameters from local field potentials (LFPs) 
    Skaar, Jan-Eirik Welle; Stasik, Alexander Johannes; Hagen, Espen; Ness, Torbjørn V; Einevoll, Gaute (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2020)
    Most modeling in systems neuroscience has been descriptive where neural representations such as ‘receptive fields’, have been found by statistically correlating neural activity to sensory input. In the traditional physics ...
  • Estimering av MEMS-gyroparametre 
    Grahn, Jørn Skarbø (Master thesis / Masteroppgave, 2011)
    I denne oppgaven er det estimert forskjellige gyroparametre. Parametrene som er estimert, sier noe om ytelsen og nøyaktigheten til et tilhørende gyroskop. Det er tatt utgangspunkt i gyroskopene SAR100 og STIM202 da disse er ...
  • Estimering av rullvinkel til GPS-mottaker med roterende antenne 
    Zachariasen, Thorleif Magnus (Master thesis / Masteroppgave, 2014)
  • Et kritisk og konstruktivt blikk på naturfaget i norsk skole 
    Nilsen, Trude; Frøyland, Merethe; Henriksen, Ellen Karoline; Kolstø, Stein Dankert; Jorde, Doris; Korsager, Majken; Knain, Erik; Ødegaard, Marianne; Teig, Nani; Jensen, Fredrik; Kjærnsli, Marit; Bungum, Berit; Løken, Marianne; Stadler, Matthias Gregor (Chapter / Bokkapittel / PublishedVersion; Peer reviewed, 2021)
    Dette kapitlet retter et kritisk, men konstruktivt blikk på naturfag, og foretar en gjennomgang av naturfag og naturfagdidaktikk innen forskning og i praksis. Kapitlet starter med å beskrive og diskutere naturfagets ...
  • ETHOS – an Effective Theory of Structure Formation: detecting dark matter interactions through the Lyman-α forest 
    Bose, Sownak; Vogelsberger, Mark; Zavala, Jesús; Pfrommer, Christoph; Cyr-Racine, Francis-Yan; Bohr, Sebastian; Bringmann, Torsten (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)
    We perform a series of cosmological hydrodynamic simulations to investigate the effects of non-gravitational dark matter (DM) interactions on the intergalactic medium (IGM). In particular, we use the ETHOS framework to ...
  • Euler Angle Estimation of an UAV using Extended Kalman FilterRestricted Access 
    Kamsvaag, Anders Lassen (Master thesis / Masteroppgave, 2011)
    The problem description of this assignment is provided by Kongsberg de- fence systems. They have developed an unmanned aerial vehicle (UAV) that is rolling, but the roll angle is unknown. KDS want to estimate the orienta- ...
  • Evaluating Approximate Methods for Computing Extracellular Potentials from Neuronal Networks 
    Magnusson, Steinn Hauser (Master thesis / Masteroppgave, 2021)
  • Evaluating the Phase Behaviour of Silica Modeled by the Vashishta Potential Using Free Energy Methods 
    Karlsen, Nicholas (Master thesis / Masteroppgave, 2022)
  • EVALUATION OF IMAGE QUALITY FOR METAL ARTIFACT REDUCTION RECONSTRUCTION TECHNIQUES USING A NOVEL IMAGE QUALITY PHANTOM ESPECIALLY DESIGNED FOR METAL ARTEFACT EVALUATIONRestricted Access 
    Kataike, Victoria Mercy (Master thesis / Masteroppgave, 2019)
  • Evaluation of semi-quantitative measures of 18F-Flutemetamol PET for the clinical diagnosis of Alzheimer’s disease 
    Müller, Ebba Gløersen; Stokke, Caroline; Stokmo, Henning Langen; Edwin, Trine Holt; Knapskog, Anne Brita; Rootwelt-Revheim, Mona Elisabeth (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
    Background: 18F-flutemetamol positron emission tomography (PET) is used to assess cortical amyloid-β burden in patients with cognitive impairment to support a clinical diagnosis. Visual classification is the most widely ...
  • An evaluation of the accuracy of classical models for computing the membrane potential and extracellular potential for neurons 
    Tveito, Aslak; Jæger, Karoline Horgmo; Lines, Glenn Terje; Paszkowski, Lukasz; Sundnes, Joakim; Edwards, Andrew; Mäki-Marttunen, Tuomo; Halnes, Geir; Einevoll, Gaute (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)
    Two mathematical models are part of the foundation of Computational neurophysiology; (a) the Cable equation is used to compute the membrane potential of neurons, and, (b) volume-conductor theory describes the extracellular ...
  • Evaluering av bredbåndskommunikasjon over HF kanaler på de nordlige breddegrader 
    Gåsland, Magnar (Master thesis / Masteroppgave, 2014)
    Evaluering av bredbånds-kommunikasjon over HF kanaler på de nordlige breddegrader Denne oppgaven skal undersøke i hvilken grad bølgeformer definert i MIL-STD-188-110C vedlegg D for bredbands kommunikasjon over HF kanaler ...
  • Evaluering av EMCal Trigger Region Unit (TRU) for bruk i ALICE PHOS detektor 
    Jansen, Georg (Master thesis / Masteroppgave, 2011)
    I CERN ligger verdens største partikkelakselerator hvor ALICE er en av de fire store eksperimentene som måler energi når partikler kolliderer i tilnærmet lysets hastighet. ALICE detektoren består av 13 subdetektorer og ...
  • Evaluering av feilkilder og optimalisering i dynamisk kontrastforsterket MRI 
    Kleppestø, Magne Mørk (Master thesis / Masteroppgave, 2011)
    Dynamisk kontrastforsterket MRI (DCE-MRI) er en diagnostisk avbildningsmetode som brukes til å kartlegge de kinetiske egenskapene til vev. Den brukes blant annet til å skaffe informasjon om blodnettverket i kreftsvulster, ...
  • Event activity-dependence of jet production in p–Pb collisions at sNN=5.02 TeV measured with semi-inclusive hadron+jet correlations by ALICE 
    Acharya, Shreyasi; Adam, Jaroslav; Adamová, Dagmar; Adolfsson, Jonatan; Aggarwal, Madan M.; Aglieri Rinella, G; Agnello, Michelangelo; Agrawal, Nikita; Ahammed, Zubayer; Ahmad, N; Ahn, SU; Alme, Johan; Altenkaemper, Lucas; Arsene, Ionut Christian; Bätzing, Paul Christoph; Djuvsland, Øystein; Dordic, Olja; Helstrup, Håvard; Hetland, Kristin Fanebust; Kileng, Bjarte; Langøy, Rune; Lardeux, Antoine Xavier; Lien, Jørgen André; Lindal, Svein; Lønne, Per-Ivar; Mahmood, Sohail Musa; Milosevic, Jovan; Nesbø, Simon Voigt; Nystrand, Joakim; Rehman, Attiq Ur; Richter, Matthias Rudolph; Røed, Ketil; Røhrich, Dieter; Skaali, Toralf Bernhard; Tambave, Ganesh Jagannath; Tveter, Trine Spedstad; Ullaland, Kjetil; Velure, Arild; Wagner, Boris; Wikne, Jon Christopher; Zhang, Hui; Zhao, Chengxin; Zhou, Zhuo; Zhu, Hongsheng; Aiola, Salvatore; Akindinov, Alexander; Alam, Sk Noor; Alba, José Luis Bazo; Aleksandrov, Dimitry; Allesandro, B.; ALICE, Collaboration (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)
    We report measurement of the semi-inclusive distribution of charged-particle jets recoiling from a high transverse momentum (pT) hadron trigger, for p–Pb collisions at √sNN = 5.02 TeV, in p–Pb events classified by event ...