• On Enhancing Visual Query Building over KGs Using Query Logs 

      Klungre, Vidar Norstein; Soylu, Ahmet; Giese, Martin; Waaler, Arild; Kharlamov, Evgeny (Journal article; Peer reviewed, 2018)
      Knowledge Graphs have recently gained a lot of attention and have been successfully applied in both academia and industry. Since KGs may be very large: they may contain millions of entities and triples relating them to ...
    • On evaluation metrics for medical applications of artificial intelligence 

      Hicks, Steven A.; Strumke, Inga; Thambawita, Vajira L B; Hammou, Malek; Riegler, Michael Alexander; Halvorsen, Pål (Peer reviewed; Journal article, 2022)
      Clinicians and software developers need to understand how proposed machine learning (ML) models could improve patient care. No single metric captures all the desirable properties of a model, which is why several metrics ...
    • On Fire - A Location Based, Cardiovascular Exergame 

      Davidsen, Mats Elias; Larsen, Henrik Finnerud (Master thesis, 2021)
      Denne masteroppgaven bidrar til NTNUs forskning på aktive videospill (exergames) som en del av Game Technology for Health (GT4H) nettverket. Et lavt nivå av fysisk aktivitet er et økende problem i dagens samfunn, da dette ...
    • On Fire - A Location Based, Cardiovascular Exergame 

      Davidsen, Mats Elias; Larsen, Henrik Finnerud (Master thesis, 2021)
      Denne masteroppgaven bidrar til NTNUs forskning på aktive videospill (exergames) som en del av Game Technology for Health (GT4H) nettverket. Et lavt nivå av fysisk aktivitet er et økende problem i dagens samfunn, da dette ...
    • On Implementations of Bus Travel Time Prediction Utilizing Methods in Artificial Intelligence 

      Dahl, Erlend; Sjåfjell, Aleksander Aas; Skogen, Simen (Master thesis, 2014)
      Travel time prediction is an important part of intelligent transportation systems. This work is a continuationof a state-of-the-art review where the most prominent methods used for bus arrival prediction were investigated. ...
    • On Large Local Error Accumulation in Multilevel Error Diffusion 

      Eschbach, Reiner; Pedersen, Marius (Journal article; Peer reviewed, 2016)
      Error diffusion is an often used method that transforms a continuous tone (multibit) image into an image of lower bit depth, most commonly into a binary output of black and white. The simplicity of the processing and the ...
    • On Liquid Democracy in OSS decision making 

      Rudowski, Tomasz Marek (Master thesis, 2022)
      Vi tar beslutninger hver dag, og noen av dem har innvirkning på omgivelsene våre i ulike skalaer. Beslutningsresultatet, som anses som rettferdig og av høy kvalitet i Open Source prosjekter, er en kunst å balansere og tolke ...
    • On local isometric immersions into complex and quaternionic projective spaces 

      Rivertz, Hans Jakob (Peer reviewed; Journal article, 2011)
      We will prove that if an open subset of CPn is isometrically immersed into CPm, with m < (4/3)n−2/3, then the image is totally geodesic.We will also prove that if an open subset of HPn isometrically immersed into HPm, with ...
    • On Lower Bounds for Maximin Share Guarantees 

      Hummel, Halvard (Chapter, 2023)
      We study the problem of fairly allocating a set of indivisible items to a set of agents with additive valuations. Recently, Feige et al. (WINE'21) proved that a maximin share (MMS) allocation exists for all instances with ...
    • On Path Length Estimation for Wireless Capsule Endoscopy 

      Bjørnevik, Anders; Floor, Pål Anders; Balasingham, Ilangko (Chapter, 2018)
      Wireless capsule endoscopy (WCE) is a non-invasive technology used for inspection of the gastrointestinal tract. Localization of the capsule is a vital part of the system enabling physicians to identify the position of ...
    • On Privacy Aware Carriers for Value-Possessed e-Invoices Considering Intelligence Mining 

      Cha, Shih-Chao; Wang, Hao; Tan, Zhiyuan; Joung, Yuh-Jzer; Tseng, Yen-Chung; Yeh, Kuo-Hui (Peer reviewed; Journal article, 2020)
      Intelligence mining is one of the most promising technologies for effectively extracting intelligence (and knowledge) to enhance the quality of decision making. In Taiwan, the government curtails underground economic ...
    • On Reporting Robust and Trustworthy Conclusions from Model Comparison Studies Involving Neural Networks and Randomness 

      Gundersen, Odd Erik; Shamsaliei, Saeid; Kjærnli, Håkon Slåtten; Langseth, Helge (Chapter, 2023)
      The performance of neural networks differ when the only difference is the seed initializing the pseudo-random number generator that generates random numbers for their training. In this paper we are concerned with how random ...
    • On the Acquisition and Reproduction of Material Appearance 

      Sole, Aditya Suneel; Gigilashvili, Davit; Midtfjord, Helene B.; Guarnera, Dar'ya; Guarnera, Giuseppe Claudio; Thomas, Jean-Baptiste; Hardeberg, Jon Yngve (Chapter, 2019)
      Currently, new technologies (e.g. 2.5D and 3D printing processes) progress at a fast pace in their capacity to (re)produce an ever-broader range of visual aspects. At the same time, a huge research effort is needed to ...
    • On the Acquisition and Reproduction of Material Appearance 

      Sole, Aditya Suneel; Gigilashvili, Davit; Midtfjord, Helene B.; Guarnera, Dar'ya; Guarnera, Giuseppe Claudio; Thomas, Jean-Baptiste; Hardeberg, Jon Yngve (Chapter, 2019)
      Currently, new technologies (e.g. 2.5D and 3D printing processes) progress at a fast pace in their capacity to (re)produce an ever-broader range of visual aspects. At the same time, a huge research effort is needed to ...
    • On the appearance of objects and materials: Qualitative analysis of experimental observations 

      Gigilashvili, Davit; Thomas, Jean Baptiste; Pedersen, Marius; Hardeberg, Jon Yngve (Journal article; Peer reviewed, 2021)
      Perception of appearance of different materials and objects is a complex psychophysical phenomenon and its neurophysiological and behavioral mechanisms are far from being fully understood. The various appearance attributes ...
    • On the Appearance of Translucent Objects: Perception and Assessment by Human Observers 

      Gigilashvili, Davit (Doctoral theses at NTNU;2021:201, Doctoral thesis, 2021)
      Appearance characterizes visual features of objects and materials. It is a multiplex psychovisual phenomenon that is usually broken into several appearance attributes for simplification of its measurement and communication, ...
    • On the Applicability of Synthetic Data for Face Recognition 

      Zhang, Haoyu; Grimmer, Marcel; Ramachandra, Raghavendra; Bylappa Raja, Kiran; Busch, Christoph (Chapter, 2021)
      Face verification has come into increasing focus in various applications including the European Entry/Exit System, which integrates face recognition mechanisms. At the same time, the rapid advancement of biometric ...
    • On the Creation of MipFlex. Extending JuMP and Aiding Solvers With Custom Recognition Procedures. 

      Andersen, Henriette (Master thesis, 2023)
      Denne oppgaven tar for seg design og implementasjon av en Julia modul, MipFlex, for å tas i bruk med JuMP, og som har som hensikt å kjenne igjen spesifike lineærprogrammer og løse de med skreddersydde algoritmer. Dette er ...
    • On the Dependence Structure Between Learners' Response-time and Knowledge Mastery: If Not Linear, Then What? 

      Papamitsiou, Zacharoula; Sharma, Kshitij; Giannakos, Michail (Chapter, 2020)
      Popular approaches in learner modeling explore response-time as observational data supplemental to response correctness, to enrich the predictive models of learner knowledge. It has been argued that the relationship between ...
    • On the edge: A scalable daltonization method focusing chromatic edges and cntrast 

      Simon-Liedtke, Joschua Thomas; Farup, Ivar; Eschbach, Reiner (Journal article; Peer reviewed, 2017)
      Color Vision Deficiency (CVD) leads to a reduced capabilityto identify chromatic edges and contrast and may cause signifi-cant problems in various color tasks like, for example, compar-ative color tasks. Many daltonization ...