Blar i TKD - Institutt for informasjonsteknologi på tittel

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    • Communicating Panoramic 360 Degree Immersed Experiences: A Simple Technique for Sketching in 3D 

      Sandnes, Frode Eika (Peer reviewed; Journal article, 2016)
      Immersive t hree - dimensional environments can give test users a valu- able first - person experience of design ideas . Trained designers can quickly create mock - ups using three - dimensional modelling ...

    • Community-living older people’s interpretation of the Norwegian version of older people’s quality of life (OPQOL) questionnaire 

      Bong, Way Kiat; Gaustadnes, Lisa Mari; Bergland, Astrid; Chen, Weiqin; Bye, Asta (Peer reviewed; Journal article, 2021)
      The aim of this study is to investigate how community‐living older people interpret the Norwegian version of Older People's Quality of Life (OPQOL) questionnaire. The original OPQOL questionnaire was translated based on ...

    • Comparative Evaluation of Accessibility and Learnability of Learning Management Systems: Case of Fronter and Canvas 

      Ahmad, Faizan; Beyene, Wondwossen; Giannoumis, G. Anthony (Communications in Computer and Information Science;Volume 851, Journal article; Peer reviewed, 2018-06-07)
      Learning Management systems (LMSs) are becoming integral parts of the teaching and learning process in higher learning institutions. As they are sup-posed to be used by students who are diverse in terms of ability/disability, ...

    • A Comparative Study of Accessibility and Usability of Norwegian University Websites for Screen Reader Users Based on User Experience and Automated Assessment 

      Parajuli, Prabin; Eika, Evelyn (Lecture Notes in Computer Science;Volume 12188, Conference object, 2020-07-10)
      Websites are essential for learners’ access to information. However, due to the lack of accessibility and usability of websites, students with disabili-ties who solely rely on screen readers face challenges accessing webpage ...

    • A Comparative Study of Text Entry Performance of Low-Profile versus High-Profile Keyboards 

      Arntzen, Camilla; Kopperud, Jan F. E.; Horn, Thomas; Sandnes, Frode Eika (PETRA '20: The 13th PErvasive Technologies Related to Assistive Environments Conference;Article No.: 76, Conference object, 2020-06)
      Users’ perceptions on what makes a good computer keyboard varies. Laptop computers are often equipped with low-profile keyboards for improved mobility, while desktop computers often are equipped with traditional high-profile ...

    • A Comparative Study of Three Sudoku Input Methods for Touch Displays 

      Sommervold, Aslak Burheim; Øvergaard, Benjamin Nils; Nysether, Eskil; Nur, Mohamed Yusuf; Sandnes, Frode Eika (Lecture Notes in Computer Science;volume 12188, Conference object, 2020-07-10)
      Sudoku is a popular recreational game which is claimed to have positive health effects. It can be played using paper or electronically using computers. Only very few studies have explored Sudoku interaction methods. We ...

    • A Comparison of Form Navigation with Tabbing and Pointing 

      Ferner, Bernt; Gåsøy, Adrian; Nicolaysen, Martin Walberg; Sandnes, Frode Eika (Lecture Notes in Computer Science;, Chapter; Peer reviewed; Conference object; Journal article, 2023)
      The form is a widely used metaphor in information gathering. Users typically navigate between form elements using a keyboard or a pointing device. This study set out to empirically compare tabbing and pointing in form ...

    • A Comparison of Multiple Selections Using Multiple Checkbox Selections and List Boxes 

      Leithe, Wasana; Sandnes, Frode Eika (Communications in Computer and Information Science;Volume 1499, Conference object, 2021-11-06)
      Website forms are commonly used for collecting information from users. Users choose one or more alternatives from a list. However, data input can be time-consuming. We therefore set out to explore which multiple selection ...

    • A comparison of three Potato peeler designs 

      Drejer, Åshild Bøe; Enstad, Truls; Fog, Erik R. M.; Viken, Thor Oskar F.; Medola, Fausto Orsi; Sandnes, Frode Eika (Advances in Intelligent Systems and Computing;volume 1269, Conference object, 2021-08-30)
      This study set out to compare the effectiveness and efficiency of three common potato peeler designs, and whether there were any differences related to gender in terms of use. An experiment was designed involving a timed ...

    • Comparison of Two Ventilation Control Strategies in the First Passive House Standard Norwegian School 

      Cablé, Axel; Hammer, Hugo Lewi; Mysen, Mads (Journal article; Peer reviewed; Journal article, 2016-03-29)
      The perceived indoor climate resulting from two ventilation control strategies was evaluated in a classroom of the first school built according to the Norwegian passive house standard. Both strategies consisted of varying ...

    • Comparison theorems for deformation functors via invariant theory 

      Christophersen, Jan Arthur; Kleppe, Jan Oddvar (Collectanea Mathematica;January 2019, Volume 70, Issue 1, Journal article; Peer reviewed, 2018-09-06)
      We compare deformations of algebras to deformations of schemes in the setting of invariant theory. Our results generalize comparison theorems of Schlessinger and the second author for projective schemes. We consider ...

    • Complexity and irreducibility of dynamics on networks of networks 

      Rydin Gorjao, Leonardo; Saha, Arindam; Ansmann, Gerrit; Feudel, Ulrike; Lehnertz, Klaus (Peer reviewed; Journal article, 2018)
      We study numerically the dynamics of a network of all-to-all-coupled, identical sub-networks consisting of diffusively coupled, non-identical FitzHugh–Nagumo oscillators. For a large range of within- and between-network ...

    • Complexity and Persistence of Price Time Series of the European Electricity Spot Market 

      Han, Chengyuan; Hilger, Hannes; Mix, Eva; Böttcher, Philipp; Reyers, Mark; Beck, Christian; Witthaut, Dirk; Rydin Gorjao, Leonardo (PRX Energy;Vol. 1, Iss. 1 — April - June 2022, Peer reviewed; Journal article, 2022-04-07)
      The large variability of renewable power sources is a central challenge in the transition to a sustainable energy system. Electricity markets are central for the coordination of electric power generation. These markets ...

    • Components of the Hilbert scheme of space curves on low-degree smooth surfaces 

      Kleppe, Jan Oddvar; Ottem, John Christian (International Journal of Mathematics;26(2), Journal article; Peer reviewed, 2015-02-27)
      We study maximal families W of the Hilbert scheme, H(d, g)sc, of smooth connected space curves whose general curve C lies on a smooth surface S of degree s. We give conditions on C under which W is a generically smooth ...

    • A comprehensive analysis of classification methods in gastrointestinal endoscopy imaging 

      Jha, Debesh; Ali, Sharib; Hicks, Steven; Thambawita, Vajira L B; Borgli, Hanna; Smedsrud, Pia H.; de Lange, Thomas; Pogorelov, Konstantin; Wang, Xiaowei; Harzig, Philipp; Tran, Minh-Triet; Meng, Wenhua; Hoang, Trung-Hieu; Dias, Danielle; Ko, Tobey H.; Agrawal, Taruna; Ostroukhova, Olga; Khan, Zeshan; Tahir, Muhammed Atif; Liu, Yang; Chang, Yuan; Kirkerød, Mathias; Johansen, Dag; Lux, Mathias; Johansen, Håvard D.; Riegler, Michael; Halvorsen, Pål (Peer reviewed; Journal article, 2021)
      Gastrointestinal (GI) endoscopy has been an active field of research motivated by the large number of highly lethal GI cancers. Early GI cancer precursors are often missed during the endoscopic surveillance. The high missed ...

    • A Comprehensive Study on Colorectal Polyp Segmentation with ResUNet++, Conditional Random Field and Test-Time Augmentation 

      Jha, Debesh; Smedsrud, Pia; Johansen, Dag; de Lange, Thomas; Johansen, Håvard D.; Halvorsen, Pål; Riegler, Michael Alexander (IEEE journal of biomedical and health informatics; Volume: 25, Issue: 6, June 2021, Journal article; Peer reviewed, 2021-01-05)
      Colonoscopy is considered the gold standard for detection of colorectal cancer and its precursors. Existing examination methods are, however, hampered by high overall miss-rate, and many abnormalities are left undetected. ...

    • A computer supported memory aid for copying prescription parameters into medical equipment based on linguistic phrases 

      Sandnes, Frode Eika; Huang, Yo-Ping (Proceedings of System, Man and Cybernetics Conference SMC;2013, Chapter; Peer reviewed, 2013)
      Manually operated medical equipment, including drug infusion pumps, are often subject to input errors. Human operators copy data from a prescription into the relevant form field on the equipment panels. This process is ...

    • The Computing Fleet: Managing Microservices-based Applications on the Computing Continuum 

      Roman, Dumitru; Song, Hui; Loupos, Konstantinos; Krousarlis, Thomas; Soylu, Ahmet; Skarmeta, Antonio F. (IEEE International Conference on Software Architecture Workshops (ICSAW);2022 IEEE 19th International Conference on Software Architecture Companion (ICSA-C), Conference object, 2022-05-25)
      In this paper we propose the concept of “Computing Fleet” as an abstract entity representing groups of heterogeneous, distributed, and dynamic infrastructure elements across the Computing Continuum (covering the Edge-Fog-Cloud ...

    • Concept drift detection using online histogram-based bayesian classifiers 

      Astudillo, César A.; Gonzalez, Javier I.; Oommen, John; Yazidi, Anis (Lecture Notes in Computer Science;9992, Journal article; Peer reviewed, 2016)
      In this paper, we present a novel algorithm that performs online histogram-based classification, i.e., specifically designed for the case when the data is dynamic and its distribution is non-stationary. Our method, called ...

    • The Concept of Workload Delay as a Quality-of-Service Metric for Consolidated Cloud Environments with Deadline Requirements 

      Tasoulas, Evangelos; Hammer, Hugo Lewi; Haugerud, Hårek; Yazidi, Anis; Bratterud, Alfred; Feng, Boning (Chapter; Peer reviewed, 2017)
      Virtual Machine (VM) consolidation in the cloud has received significant research interest. A large body of approaches for VM consolidation in data centers resort to variants of the bin packing problem which tries to ...