Browsing Brage NMBU by Author "Burud, Ingunn"
Now showing items 21-40 of 61
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Hyperspectral imaging as a tool to study solar induced photoluminescence from PV modules
Høiaas, Ingeborg Eriksdatter (Master thesis, 2019)The installedsolarphotovoltaic(PV) capacity in the world is increasing and solar PV is becoming a bigger part of the energy mix. Reviewed literature on PV field performance show an average degradation rate of 0.8%/year, ... -
Hyperspectral NIR time series imaging used as a new method for estimating the moisture content dynamics of thermally modified Scots pine
Stefansson, Petter; Thiis, Thomas Kringlebotn; Gobakken, Lone Ross; Burud, Ingunn (Peer reviewed; Journal article, 2021)The purpose of this research is to develop a method for estimating the spatially and temporally resolved moisture content of thermally modified Scots pine (Pinus sylvestris) using remote sensing. Hyperspectral time series ... -
Hyperspectral photoluminescence imaging of defects in solar cells
Burud, Ingunn; Mehl, Torbjørn; Flø, Andreas Svarstad; Lausch, Dominik; Olsen, Espen (Journal article; Peer reviewed, 2016) -
Hyperspectral photoluminescence of thermal donors in two Czochralski crystals pulled at different velocities
Stalheim, Helene Eikaas (Master thesis, 2019)This study has shown that hyperspectral photoluminescence (HSPL) imaging may be used for connecting defect-related luminescence (DRL) signals to electrically active oxygen clusters of thermal donors (TDs). Thus, by using ... -
Hyperspectral Video Analysis by Motion and Intensity Preprocessing and Subspace Autoencoding
Vitale, Raffaele; Ruckebusch, Cyril; Burud, Ingunn; Martens, Harald Aagaard (Peer reviewed; Journal article, 2022) -
Increased sensitivity in near infrared hyperspectral imaging by enhanced background noise subtraction
Mehl, Torbjørn; Wyller, Guro Marie; Burud, Ingunn; Olsen, Espen (Journal article; Peer reviewed, 2019)Near infrared hyperspectral photoluminescence imaging of crystalline silicon wafers can reveal new knowledge on the spatial distribution and the spectral response of radiative recombination active defects in the material. ... -
Integration of Hyperspectral and Magnetic Data for Geological Characterization of the Niaqornarssuit Ultramafic Complex in West-Greenland
Kuras, Agnieszka Kinga; Heincke, Björn H.; Salehi, Sara; Mielke, Christian; Köllner, Nicole; Rogass, Christian; Altenberger, Uwe; Burud, Ingunn (Peer reviewed; Journal article, 2022) -
Introducing microclimate into simulation models for buildings
Charisi, Stergiani (PhD thesis;2019:33, Doctoral thesis, 2019)The contemporary sustainability imperativeness requires high performance buildings. Smart solutions during the design or retrofitting phase can significantly contribute towards decreasing the energy consumption and ... -
Investigation of the physiological basis of yield differences in Norwegian spring wheat
Kufoalor, Bless Akpene Kwesi (Master thesis, 2018)Norway has a total land area of 324,000 km2 of which only 3% is arable. Moreover, the climate conditions allow a short growing season for agriculture. Despite these challenges, Government policies are directed towards ... -
Investigation of veryintenseD3-band emission in multi-crystalline silicon wafers using electron microscopy and hyperspectral photoluminescence imaging
Thøgersen, Annett; Jensen, Ingvild Julie Thue; Graff, Joachim Seland; Ringdalen, Inga Gudem; Almeida Carvalho, Patricia; Mehl, Torbjørn; Zhu, Junjie; Burud, Ingunn; Olsen, Espen; Søndenå, Rune (Peer reviewed; Journal article, 2022) -
Klassifisering av trær i urbane områder ved analyser på hyperspektrale flybilder
Røstad, Erik (Master thesis, 2018)Kartlegging av vegetasjon i urbane områder har vært en utfordring for fjernmåling på grunn av kompleks variasjon i romlig innhold og spektralinformasjon. Hyperspektrale bilder kan være løsningen. I denne oppgaven ble to ... -
Light and elevated temperature induced degradation in multicrystalline silicon wafers studied by hyperspectral photoluminescence imaging
Cappelen, Jon-Fredrik Blakstad (Master thesis, 2019)Light and elevated temperature induced degradation (LeTID) has become a profound problem for the new PERC cells, reducing performance by as much as 16% during operation. The mechanism that governs the degradation is not ... -
Methods for detection of powdery mildew in agricultural plants with hyperspectral imaging
Askvig, Gudbrand O. (Master thesis, 2017)With the human population still on the rise, it is important to continue developing technology for agriculture that will allow us produce enough food for the entire population. An important part of this is to become able ... -
Methods for estimation of major forest attributes based on remotely sensed data for the support of REDD+ measurement, reporting and verification (MRV)
Berie, Habitamu Taddese (PhD Thesis;2021:20, Doctoral thesis, 2021)There is limited information about the status of forest resources in Ethiopia. The available reports based on field sampling are inconsistent and lack precision due to limited sample sizes. Remotely sensed data, which cover ... -
Monitoring and simulation of diurnal surface conditions of a wooden facade
Thiis, Thomas Kringlebotn; Burud, Ingunn; Flø, Andreas Svarstad; Kraniotis, Dimitrios; Charisi, Stergiani; Stefansson, Petter (Journal article; Peer reviewed, 2017)The hygrothermal surface conditions of a façade is important for the degradation of the façade material as well as for the energy budget of the building. The distribution of short term variations of the temperature and ... -
Multispectral image analysis of spring wheat using UAV and machine learning
Lied, Lars Martin Bøe (Master thesis, 2019)A need to increase efficiency of plant phenotyping has arisen due to global warming, food shortage, population growth etc. One way to do this, is by using image analysis. This can reduce amount of work by analyzing vast ... -
Multitemporal Feature-Level Fusion on Hyperspectral and LiDAR Data in the Urban Environment
Kuras, Agnieszka Kinga; Brell, Maximilian; Liland, Kristian Hovde; Burud, Ingunn (Peer reviewed; Journal article, 2023) -
Near infrared hyperspectral imaging in transmission mode: assessing the weathering of thin wood samples
Smeland, Knut Arne; Liland, Kristian Hovde; Sandak, Jakub; Sandak, Anna; Gobakken, Lone Ross; Thiis, Thomas Kringlebotn; Burud, Ingunn (Journal article; Peer reviewed, 2016) -
Orders of magnitude speed increase in Partial Least Squares feature selection with new simple indexing technique for very tall data sets
Stefansson, Petter; Indahl, Ulf Geir; Liland, Kristian Hovde; Burud, Ingunn (Peer reviewed; Journal article, 2019)Feature selection is a challenging combinatorial optimization problem that tends to require a large number of candidate feature subsets to be evaluated before a satisfying solution is obtained. Because of the computational ... -
Oxygen-related defects in n-type Czochralski silicon wafers studied by hyperspectral photoluminescence imaging
Mehl, Torbjørn; Burud, Ingunn; Letty, Elenore; Olsen, Espen (Journal article; Peer reviewed, 2017)