Blar i Brage NMBU på forfatter "Burud, Ingunn"
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Phenotyping studies of spring wheat by multispectral image analysis
Grindbakken, Ole Kristian (Master thesis, 2018)To meet an increasing demand for food production there is a need for faster genetic gains in Norwegian cereal breeding through more precise phenotyping. High-Throughput Phe- notyping (HTP) and genomic selection through ... -
Pikselbasert arealklassifisering av urbane områder med hyperspektrale flybilder og maskinlæring
Primstad, Annette; Stemme, Åsmund (Master thesis, 2019)Mapping area types with remote sensing may be challenging in densely populated urban areas because of large variations in area types. The technique of airborne hyperspectral images is entering the remote sensing industry, ... -
Pikselbasert klassifisering og skyggedeteksjon av urbane områder ved bruk av hyperspektrale bilder og LiDAR
Balasingam, Vinith (Master thesis, 2022)Urban regions consist of different types of vegetation, complex materials and structure information, which can be collected by remote sensing. One of the biggest problems within remote sensed data is the appearance of ... -
Predicting grain yield by utilizing multispectral images and convolutional neural network
Idris, Sara Elisabeth (Master thesis, 2023)According to the UN’s sustainability goals, hunger should have been eradicated by 2030, but the number is going the wrong way, with around 800 million people who suffer from undernourishment in 2022. Therefore, there is a ... -
Road edge detection using hyperspectral and LiDAR data based on machine and deep learning
Senchuri, Rabin (Master thesis, 2020)The mapping and classification of urban areas play a crucial role in the planning of the city and monitoring of various natural hazards that could occur in the future. It is also necessary for evaluating large-scale changes ... -
Semantic segmentation of roof materials in urban environment by utilizing hyperspectral and LiDAR data
Teien, Stian (Master thesis, 2022)Mapping areas in an urban environment can be challenging due to various materials and manufactured structures. The urban environment is a mix of natural and artificial materials, and finding the right object of a specific ... -
Sequential forward selection and support vector regression in comparison to LASSO regression for spring wheat yield prediction based on UAV imagery
Shafiee, Sahameh; Lied, Lars Martin Bøe; Burud, Ingunn; Dieseth, Jon Arne; Alsheikh, Muath K; Lillemo, Morten (Peer reviewed; Journal article, 2021) -
Spectral Characteristics and Spatial Distribution of Thermal Donors in n-Type Czochralski-Silicon Wafers
Olsen, Espen; Helander, Malin Iris; Mehl, Torbjørn; Burud, Ingunn (Peer reviewed; Journal article, 2020) -
Spring wheat trait prediction using combined multi-environment, weather and multispectral timeseries UAV data
Ijaz, Muhammad Fahad (Master thesis, 2021)Pre-harvest yield forecast is an important factor in high-throughput plant phenotyping (HTPP). It also is critical for making policy decisions concerning food security. The developments in Unmanned Aerial Vehicle (UAV) ... -
Studie av elektroluminescens og strømspenningskurver for å undersøke defektutvikling i solcellemoduler
Jensen, Siri Bjørnstad (Master thesis, 2021)Behovet for overvåkning av solcellemoduler er helt sentralt for maksimering av effektproduksjon, samt levetiden til en solcelle. I løpet av levetiden til en solcellemodul, vil ulike defekter og degraderinger forekomme i ... -
Studie av termiske donorer i Czochralski silisium-skiver ved hyperspektral fotoluminescens
Kvalbein, Lisa (Master thesis, 2017)Termiske donorer (TD) er et stort problem i silisiumindustrien fordi økt elektronkonsentrasjon forstyrrer forventet resistivitet i tillegg til å endre krystallstrukturen og innføre lovlige energinivåer. TD skyldes trolig ... -
Study of changes in PL spectrum from defects in PERC solar cells with respect to letid
Mehl, Torbjørn; Luka, Tabea; Lausch, Dominik; Burud, Ingunn; Olsen, Espen (Peer reviewed; Journal article, 2019)Illumination at elevated temperature may cause an efficiency loss of more than 10 %rel. in mc-PERC cells. In this study, we have looked for changes in the photoluminescence spectrum of mc-PERC cells before and after light ... -
A study of the light and elevated temperature induced degradation in p-type multicrystalline PERC wafers with hyperspectral imaging
Svebestad, Rasmus (Master thesis, 2020)Since 2012 a lot of research has been done to understand the phenomenon of light and elevated temperature induced degradation (LeTID), which can limit the efficiency of a solar cell by as much as 20%. In this study LeTID ... -
The Effect of Pull Speed and Heat Treatment on Thermal Donors in Czhocralski Silicon
Olsen, Espen; Mehl, Torbjørn; Stalheim, Helene Eikaas; Juel, Mari; Søndenå, Rune; Burud, Ingunn (Peer reviewed; Journal article, 2021) -
Thermal donors in Czochralski silicon wafers investigated by spectral imaging
Helander, Malin Iris (Master thesis, 2018)In oxygen rich CZ-material, thermal donors (TD) are formed at elevated temperatures of approximately 450°C. They are electrically active clusters of interstitial oxygen that act as double donors to the conduction band. In ... -
Toward monitoring of photovoltaic power plants with photoluminescence imaging
Vukovic, Marija (PhD Thesis;2023:53, Doctoral thesis, 2023)It is predicted that the photovoltaic energy conversion will be the largest installed power capacity by 2027. The least costly option for new electricity generation in many of the world’s countries will be the utility-scale ... -
Urban surfaces studied by VIS/NIR imaging from UAV: Possibilities and limitations
Burud, Ingunn; Vukovic, Marija; Thiis, Thomas Kringlebotn; Gaitani, Niki (Peer reviewed; Journal article, 2018) -
Use of regularizing methods in modeling and prediction of wood weathering as a response to UV radiation
Smeland, Knut Arne (Master thesis, 2016-04-04)Samples of norway spruce (Picea abies) were exposed to various amounts of natural or arti cial UV radiation and recorded with a NIR hyperspectral camera. Multivariate statistical analysis using Tikhonov regularization, ... -
Use of remotely sensed data to enhance estimation of aboveground biomass for the dry afromontane forest in south-central Ethiopia
Taddese, Habitamu; Asrat, Zerihun; Burud, Ingunn; Gobakken, Terje; Ørka, Hans Ole; Dick, Øystein B.; Næsset, Erik (Peer reviewed; Journal article, 2020)Periodic assessment of forest aboveground biomass (AGB) is essential to regulate the impacts of the changing climate. However, AGB estimation using field-based sample survey (FBSS) has limited precision due to cost and ... -
Utforskende analyse av hyperspektral data i NIR og SWIR til diskriminering av gulrust og bladflekksykdommer på hveteblad
Kristoffersen, Svein Jakob (Master thesis, 2021)Hyperspektrale bilder i NIR- og SWIR-området (950nm – 2500 nm) ble fanget av hveteblad for å utforske evne til diskriminering av gulrust og bladflekksykdommer. Spektrene ble representert med ulike korrigeringer og deriverte. ...