Recent Submissions

  • Lost in OCR-Translation: Pixel-based Text Reflow to the Rescue: Magnification of Archival Raster Image Documents in the Browser without Horizontal Scrolling 

    Sandnes, Frode Eika (ETRA: Pervasive Technologies Related to Assistive Environments;PETRA '22: Proceedings of the 15th International Conference on PErvasive Technologies Related to Assistive Environments, Chapter; Peer reviewed; Conference object, 2022-07-11)
    Low-vision users have been accustomed to viewing accessible electronic documents with reflow and responsive layouts that adapt to the user’s text size requirements. However, mainstream technologies do not work optimally ...
  • Deep Tower Networks for Efficient Temperature Forecasting from Multiple Data Sources 

    Eide, Siri Sofie; Riegler, Michael; Hammer, Hugo Lewi; Bremnes, John Bjørnar (Sensors;Volume 22 / Issue 7, Peer reviewed; Journal article, 2022-04-06)
    Many data related problems involve handling multiple data streams of different types at the same time. These problems are both complex and challenging, and researchers often end up using only one modality or combining them ...
  • Animated Backgrounds on the Web Reduce Reading Speed: Some Empirical Evidence from a Remote Experiment 

    Vital, Ana Flávia; van der Baan, Mark; Stenberg, Øyvind Ødegård; Sandnes, Frode Eika (Lecture Notes in Computer Science;Volume 13308, Proceedings, Part I, Chapter; Peer reviewed; Conference object; Journal article, 2022-06-16)
    It is generally considered a bad practice to place animations as back-grounds to text. There are many convincing arguments against using animated backgrounds, yet there are few empirical studies that have assessed effects ...
  • Users’ Satisfaction with an Assistive Device and Quality of Life: A preliminary study on lower limb prosthetics 

    Garcez, Letícia Vasconcelos Morais; Rodrigues, Ana Claudia Tavares; Medola, Fausto Orsi; Baleotti, Luciana Ramos; Sandnes, Frode Eika; Vaezipour, Atiyeh (Chapter; Peer reviewed, 2022)
    Quality of life refers to the individual perception of each person regarding their objectives, expectations and achievements, according to their stage of life and contexts of material, physical, emotional and social ...
  • Enhancing Knowledge Graph Generation with Ontology Reshaping – Bosch Case 

    Zhou, Dongzhuoran; Zhou, Baifan; Zheng, Zhuoxun; Kostylev, Egor V.; Cheng, Gong; Jimenez-Ruiz, Ernesto; Soylu, Ahmet; Kharlamov, Evgeny (Lecture Notes in Computer Science (LNCS);Volume 13384, Peer reviewed; Journal article, 2022-07-20)
    In the context of Industry 4.0 and Internet of Things (IoT), modern manufacturing and production lines are equipped with software systems and sensors that constantly collect and send a high volume of data.
  • A Survey on Multipath Transport Protocols Towards 5G Access Traffic Steering, Switching and Splitting 

    Wu, Hongjia; Ferlin, Simone; Caso, Giuseppe; Alay Erduran, Özgü; Brunstrom, Anna (IEEE Access;Volume: 9, Peer reviewed; Journal article, 2021-12-10)
    The fifth generation (5G) cellular network aims at providing very high data rates, ultra reliable low latency communications, and a vast increase of connection density. As one of the design trends towards these objectives, ...
  • Query-Based Industrial Analytics over Knowledge Graphs with Ontology Reshaping 

    Zheng, Zhuoxun; Zhou, Baifan; Zhou, Dongzhuoran; Cheng, Gong; Jimenez-Ruiz, Ernesto; Soylu, Ahmet; Kharlamov, Evgeny (Lecture Notes in Computer Science (LNCS);Volume 13384, Peer reviewed; Journal article, 2022-07-20)
    Industrial analytics that includes among others equipment diagnosis and anomaly detection heavily relies on integration of heterogeneous production data. Knowledge Graphs (KGs) as the data format and ontologies as the ...
  • Smittestopp Backend 

    Midoglu, Cise; Ragan-Kelley, Benjamin; Reinemo, Sven- Arne; Jahren, Jon; Halvorsen, Pål (Simula SpringerBriefs on Computing;Volume 11, Chapter; Peer reviewed; Journal article, 2022-06-18)
    An efficient backend solution is of great importance for any large-scale system, and Smittestopp is no exception. The Smittestopp backend comprises various components for user and device registration, mobile app data ...
  • Effect of Manual Wheelchair Type on Mobility Performance, Cardiorespiratory Responses, and Perceived Exertion 

    Bertolaccini, Guilherme; Sandnes, Frode Eika; Medola, Fausto Orsi; Gjøvaag, Terje (Rehabilitation Research and Practice;Volume 2022, Article ID 5554571, Peer reviewed; Journal article, 2022-06-11)
    This study is aimed at comparing the design and configuration of the most commonly used manual wheelchair models through cardiorespiratory responses, perceived exertion, and mobility performance using two different manual ...
  • 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 ...
  • Review on the possible pathophysiological mechanisms underlying visual display terminal-associated dry eye disease 

    Fjærvoll, Ketil Andreas Olsen; Fjærvoll, Haakon Kristoffer Olsen; Magnø, Morten Scherven; Tellefsen Nøland, Sara Julie Maria; Dartt, Darlene Ann; Vehof, Jelle; Utheim, Tor Paaske (Acta Ophthalmologica;, Peer reviewed; Journal article, 2022-04-19)
    Background: Visual display terminal (VDT) use is a key risk factor for dry eye disease (DED). Visual display terminal (VDT) use reduces the blink rate and increases the number of incomplete blinks. However, the exact ...
  • LiDAR-Based Obstacle Detection and Distance Estimation in Navigation Assistance for Visually Impaired 

    Kuriakose, Bineeth; Shrestha, Raju; Sandnes, Frode Eika (Lecture Notes in Computer Science;Volume 13309, Chapter; Peer reviewed; Conference object; Journal article, 2022-06-16)
    People with visual impairments can face challenges with independent navigation and therefore may use traditional aids such as guide dogs, white canes, or a travel companion for navigation assistance. In recent years, ...
  • When 2 + 2 should be 5: The summation fallacy in time prediction 

    Halkjelsvik, Torleif; Jørgensen, Magne (Journal of Behavioral Decision Making;Volume 35, Issue 3, e2265, Journal article; Peer reviewed, 2021-11-10)
    Predictions of time (e.g., work hours) are often based on the aggregation of estimatesof elements (e.g., activities and subtasks). The only types of estimates that can besafely aggregated by summation are those reflecting ...
  • Perceptions of Digital Nudging for Cervical Testing: A Comparison Four Nudge Types 

    Ytterland, , Thea Bratteberg; Fagernes, Siri; Sandnes, Frode Eika (Lecture Notes in Computer Science;13308, Chapter; Peer reviewed; Conference object; Journal article, 2022-06-16)
    Cervical cancer consumes many lives around the world. Many of these lives could be saved if more women were screened for cervical cancer. This study explored the potential of digital nudging through short electronic messages ...
  • Data-driven model of the power-grid frequency dynamics 

    Rydin Gorjao, Leonardo; Anvari, Mehrnaz; Kantz, Holger; Beck, Christian; Witthaut, Dirk; Timme, Marc; Schäfer, Benjamin (IEEE Access;Volume 8, 2020, Peer reviewed; Journal article, 2020-01-20)
    The energy system is rapidly changing to accommodate the increasing number of renewable generators and the general transition towards a more sustainable future. Simultaneously, business models and market designs evolve, ...
  • Smittestopp analytics: Analysis of position data 

    Thambawita, Vajira L B; Hicks, Steven; Ewan, Jaouen; Halvorsen, Pål; Riegler, Michael (Simula SpringerBriefs on Computing;Volume 11, Chapter; Peer reviewed, 2022-06-18)
    Contact tracing applications generally rely on Bluetooth data. This type of data works well to determine whether a contact occurred (smartphones were close to each other) but cannot offer the contextual information GPS ...
  • Collective effects and synchronization of demand in real-time demand response 

    Han, Chengyuan; Witthaut, Dirk; Rydin Gorjao, Leonardo; Böttcher, Philipp (Journal of Physics: Complexity;Volume 3, Number 2, Peer reviewed; Journal article, 2022-04-28)
    Future energy systems will be dominated by variable renewable power generation and interconnected sectors, leading to rapidly growing complexity. Flexible elements are required to balance the variability of renewable power ...
  • Real-Time Polyp Detection, Localization and Segmentation in Colonoscopy Using Deep Learning 

    Jha, Debesh; Ali, Sharib; Tomar, Nikhil Kumar; Johansen, Håvard D.; Johansen, Dag; Rittscher, Jens; Riegler, Michael; Halvorsen, Pål (IEEE Access;Volume: 9, 2021, Peer reviewed; Journal article, 2021-03-04)
    Computer-aided detection, localization, and segmentation methods can help improve colonoscopy procedures. Even though many methods have been built to tackle automatic detection and segmentation of polyps, benchmarking of ...
  • Arbitrary-order finite-Ttme corrections for the Kramers–Moyal operator 

    Gorjao, Leonardo; Witthaut, Dirk; Lehnertz, Klaus; Lind, Pedro (Peer reviewed; Journal article, 2021)
    : With the aim of improving the reconstruction of stochastic evolution equations from empirical time-series data, we derive a full representation of the generator of the Kramers–Moyal operator via a power-series expansion ...
  • Is there an imbalance in the supply and demand for universal accessibility knowledge? Twenty years of UAIS papers viewed through the lens of WCAG 

    Sandnes, Frode Eika (Universal Access in the Information Society;21 (2022), Peer reviewed; Journal article, 2022-08-14)
    Purpose: Some universal accessibility practitioners have voiced that they experience a mismatch in the research focus and the need for knowledge within specialized problem domains. This study thus set out to identify the ...

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