Viser treff 125-144 av 389

    • Flexible Devices for Arctic Ecosystems Observations 

      Michalik, Lukasz Sergiusz; Anshus, Otto; Bjørndalen, John Markus (Journal article; Tidsskriftartikkel; Peer reviewed, 2017-11-26)
      <p>Devices for observing the environment range from basic sensor systems, like step-counters, through wild-life cameras, with limited processing capabilities, to more capable devices with significant processing, memory and storage resources. Individual usage domains can benefit from a range of functionalities in these devices including flexibility in prototyping, on- device analytics, network roaming, ...
    • Flexible time aggregation for energy systems modelling 

      van Greevenbroek, Koen; Bordin, Chiara; Mishra, Sambeet (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-09-24)
      With high shares of renewable generation and a reliance on storage, modelling large scale energy systems is computationally challenging. One factor driving the complexity of these models is the need for a high temporal resolution over a long period; a typical baseline is modelling all 8760 hours in a year. While simple methods such as down-sampling and segmentation are effective at reducing the ...
    • A Framework for AI-enabled Proactive mHealth with Automated Decision-making for a User’s Context 

      Sulaiman, Muhammad; Håkansson, Anne; Karlsen, Randi (Journal article; Tidsskriftartikkel; Peer reviewed, 2022)
      Health promotion is to enable people to take control over their health. Digital health with mHealth empowers users to establish proactive health, ubiquitously. The users shall have increased control over their health to improve their life by being proactive. To develop proactive health with the principles of prediction, prevention, and ubiquitous health, artificial intelligence with mHealth can ...
    • Framework of Transactive Energy Market Strategies for Lucrative Peer-to-Peer Energy Transactions 

      Loganathan, Arun S.; Ramachandran, Vijayapriya; Perumal, Angalaeswari Sendraya; Dhanasekaran, Seshathiri; Lakshmaiya, Natrayan; Paramasivam, Prabhu (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-12-20)
      Leading to the enhancement of smart grid implementation, the peer-to-peer (P2P) energy transaction concept has grown dramatically in recent years allowing the end-users to successfully exchange their excess generation and demand in a more profitable way. This paper presents local energy market (LEM) architecture with various market strategies for P2P energy trading among a set of end-users ...
    • Functional Knowledge Transfer for High-accuracy Prediction of Under-studied Biological Processes 

      Park, Christopher Y.; Wong, Aaron K.; Greene, Casey S.; Rowland, Jessica; Guan, Yuanfang; Bongo, Lars Ailo; Burdine, Rebecca D.; Troyanskaya, Olga (Journal article; Tidsskriftartikkel; Peer reviewed, 2013)
      A key challenge in genetics is identifying the functional roles of genes in pathways. Numerous functional genomics techniques (e.g. machine learning) that predict protein function have been developed to address this question. These methods generally build from existing annotations of genes to pathways and thus are often unable to identify additional genes participating in processes that are not ...
    • GEMM-eMFIS (FRI/E): A Novel General Episodic Memory Mechanism for Fuzzy Neural Networks 

      Pang, SW; Quek, Chai; Prasad, Dilip K. (Conference object; Konferansebidrag, 2020)
      In fields such as finance, medicine, engineering, and science, making real-time predictions during transient periods characterized by sudden and large changes is a hard challenge for machine learning. Humans keep memory of these transient events, abstractly learn the most relevant rules and reuse them when similar events occur, which stems from episodic memory that allows storage and recall of similar ...
    • Gender differences in the association between grip strength and mortality in older adults: results from the KORA-age study 

      Arvandi, Marjan; Strasser, Barbara; Meisinger, Christa; Volaklis, Konstantinos; Gothe, Raffaella Matteucci; Siebert, Uwe; Ladwig, Karl Heinz; Grill, Eva; Horsch, Alexander; Laxy, Michael; Peters, Annette; Thorand, Barbara (Journal article; Tidsskriftartikkel; Peer reviewed, 2016-11-30)
      Background: Reduced muscular strength in the old age is strongly related to activity impairment and mortality. However, studies evaluating the gender-specific association between muscularity and mortality among older adults are lacking. Thus, the objective of the present study was to examine gender differences in the association between muscular strength and mortality in a prospective population-based ...
    • A Generic Undo Support for State-Based CRDTs 

      Yu, Weihai; Elvinger, Victorien; Ignat, Claudia-Lavinia (Chapter; Bokkapittel, 2020-02-11)
      CRDTs (Conflict-free Replicated Data Types) have properties desirable for large-scale distributed systems with variable network latency or transient partitions. With CRDT, data are always available for local updates and data states converge when the replicas have incorporated the same updates. Undo is useful for correcting human mistakes and for restoring system-wide invariant violated due to long ...
    • Gesture-Based, Touch-Free Multi-User Gaming on Wall-Sized, High-Resolution Tiled Displays 

      Stødle, Daniel; Hagen, Tor-Magne Stien; Bjørndalen, John Markus; Anshus, Otto (Journal article; Tidsskriftartikkel; Peer reviewed, 2008)
    • A graphical deployment and management tool for distributed applications 

      Andersen, Anders; Aanensen, Thomas (Research report; Forskningsrapport, 2005)
      OOPP is a component based middleware platform with support for complex distributed applications. The main goal of OOPP is to create an expressive programming model for distributed applications where by default details are hidden for the programmer. When necessary, reflection is used to expose and sometimes modify these details. All interaction with an OOPP component are specified by its component ...
    • GreenBST: Energy-efficient concurrent search tree 

      Umar, Ibrahim; Anshus, Otto; Ha, Hoai Phuong (Conference object; Konferansebidrag, 2016-08-09)
      Like other fundamental abstractions for energy-efficient com- puting, search trees need to support both high concurrency and fine- grained data locality. However, existing locality-aware search trees such as ones based on the van Emde Boas layout (vEB-based trees), poorly support concurrent (update) operations while existing highly-concurrent search trees such as the non-blocking binary search ...
    • GridHTM: Grid-Based Hierarchical Temporal Memory for Anomaly Detection in Videos 

      Monakhov, Vladimir; Thambawita, Vajira L B; Halvorsen, Pål; Riegler, Michael (Journal article; Tidsskriftartikkel; Peer reviewed, 2023-02-13)
      The interest in video anomaly detection systems that can detect different types of anomalies, such as violent behaviours in surveillance videos, has gained traction in recent years. The current approaches employ deep learning to perform anomaly detection in videos, but this approach has multiple problems. For example, deep learning in general has issues with noise, concept drift, explainability, ...
    • Guided U-Net Aided Efficient Image Data Storing with Shape Preservation 

      Banerjee, Nirwan; Malakar, Samir; Gupta, Deepak Kumar; Horsch, Ludwig Alexander; Prasad, Dilip Kumar (Chapter; Bokkapittel, 2023-11-02)
      The proliferation of high-content microscopes ( 32 GB for a single image) and the increasing amount of image data generated daily have created a pressing need for compact storage solutions. Not only is the storage of such massive image data cumbersome, but it also requires a significant amount of storage and data bandwidth for transmission. To address this issue, we present a novel deep learning ...
    • H2G-Net: A multi-resolution refinement approach for segmentation of breast cancer region in gigapixel histopathological images 

      Pedersen, André; Smistad, Erik; Rise, Tor Vikan; Dale, Vibeke Grotnes; Pettersen, Henrik P Sahlin; Nordmo, Tor-Arne Schmidt; Bouget, David Nicolas Jean-Mar; Reinertsen, Ingerid; Valla, Marit (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-09-14)
      Over the past decades, histopathological cancer diagnostics has become more complex, and the increasing number of biopsies is a challenge for most pathology laboratories. Thus, development of automatic methods for evaluation of histopathological cancer sections would be of value. In this study, we used 624 whole slide images (WSIs) of breast cancer from a Norwegian cohort. We propose a cascaded ...
    • Health research requires efficient platforms for data collection from personal devices 

      Johannessen, Erlend; Henriksen, André; Årsand, Eirik; Horsch, Alexander; Johansson, Jonas; Hartvigsen, Gunnar (Journal article; Tidsskriftartikkel; Peer reviewed, 2023)
      Data from consumer-based devices for collecting personal health-related data could be useful in diagnostics and treatment. This requires a flexible and scalable software and system architecture to handle the data. This study examines the existing mSpider platform, addresses shortcomings in security and development, and suggests a full risk analysis, a more loosely coupled component- based system for ...
    • A Health-Energy Nexus Perspective for Virtual Power Plants: Power Systems Resiliency and Pandemic Uncertainty Challenges 

      Mishra, Sambeet; Bordin, Chiara (Chapter; Bokkapittel, 2022-01-01)
      This chapter introduces and discusses a novel “health-energy nexus under pandemic uncertainty” concept that arises as a consequence of the current pandemic that we are experiencing worldwide. In light of the pandemic implications on the power and energy systems, we discuss how the global health conditions are tightly connected with the energy consumption needs and how the two areas closely interact ...
    • HealthTrust: A Social Network Approach for Retrieving Online Health Videos 

      Fernandez-Luque, Luis; Karlsen, Randi; Melton, Genevieve B (Journal article; Tidsskriftartikkel; Peer reviewed, 2012)
      Background: Social media are becoming mainstream in the health domain. Despite the large volume of accurate and trustworthy health information available on social media platforms, finding good-quality health information can be difficult. Misleading health information can often be popular (eg, antivaccination videos) and therefore highly rated by general search engines. We believe that community ...
    • Highly efficient and scalable framework for high-speed super-resolution microscopy 

      Do, Quan; Acuña Maldonado, Sebastian Andres; Kristiansen, Jon Ivar; Agarwal, Krishna; Ha, Hoai Phuong (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-07-05)
      The multiple signal classification algorithm (MUSICAL) is a statistical super-resolution technique for wide-field fluorescence microscopy. Although MUSICAL has several advantages, such as its high resolution, its low computational performance has limited its exploitation. This paper aims to analyze the performance and scalability of MUSICAL for improving its low computational performance. We first ...
    • The House of Carbs: Personalized Carbohydrate Dispenser for People with Diabetes 

      Randine, Pietro; Micucci, Daniela; Hartvigsen, Gunnar; Årsand, Eirik (Journal article; Tidsskriftartikkel; Peer reviewed, 2020)
      Patients with diabetes are often worried about having low blood glucose because of the unpleasant feeling and possible dangerous situations this can lead to. This can make patients consume more carbohydrates than necessary. Ad-hoc carbohydrate estimation and dosing by the patients can be unreliable and may produce unwanted periods of high blood glucose. In this paper we present a system that ...
    • How mHealth can facilitate collaboration in diabetes care: qualitative analysis of codesign workshops 

      Bradway, Meghan; Morris, Rebecca L.; Giordanengo, Alain; Årsand, Eirik (Journal article; Tidsskriftartikkel; Peer reviewed, 2020-11-30)
      <i>Background</i> - Individuals with diabetes are using mobile health (mHealth) to track their self-management. However, individuals can understand even more about their diabetes by sharing these patient-gathered data (PGD) with health professionals. We conducted experience-based co-design (EBCD) workshops, with the aim of gathering end-users’ needs and expectations for a PGD-sharing system.<p> ...