Now showing items 321-340 of 389

    • Standards for reporting randomized controlled trials in medical informatics: a systematic review of CONSORT adherence in RCTs on clinical decision support 

      Augestad, Knut Magne; Berntsen, Gro; Lassen, Kristoffer; Bellika, Johan Gustav; Wootton, Richard; Lindsetmo, Rolv-Ole (Journal article; Tidsskriftartikkel; Peer reviewed, 2011-07-29)
      Introduction The Consolidated Standards for Reporting Trials (CONSORT) were published to standardize reporting and improve the quality of clinical trials. The objective of this study is to assess CONSORT adherence in randomized clinical trials (RCT) of disease specific clinical decision support (CDS).<p> <p>Methods A systematic search was conducted of the Medline, EMBASE, and Cochrane databases. ...
    • Statistical experiment analysis of wear and mechanical behaviour of abaca/sisal fiber-based hybrid composites under liquid nitrogen environment 

      Natrayan, L.; Surakasi, Raviteja; Paramasivam, Prabhu; Dhanasekaran, Seshathiri; Kaliappan, S.; Patil, Pravin P. (Journal article; Tidsskriftartikkel; Peer reviewed, 2023-08-04)
      Ice accretion on various onshore and offshore infrastructures imparts hazardous effects sometimes beyond repair, which may be life-threatening. Therefore, it has become necessary to look for ways to detect and mitigate ice. Some ice mitigation techniques have been tested or in use in aviation and railway sectors, however, their applicability to other sectors/systems is still in the research phase. ...
    • Statistical supervised learning with engineering data: a case study of low frequency noise measured on semiconductor devices 

      Gámiz, María Luz; Kalén, Anton; Nozal Cañadas, Rafael; Raya-Miranda, Rocío (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-04-04)
      Our practical motivation is the analysis of potential correlations between spectral noise current and threshold voltage from common on-wafer MOSFETs. The usual strategy leads to the use of standard techniques based on Normal linear regression easily accessible in all statistical software (both free or commercial). However, these statistical methods are not appropriate because the assumptions they ...
    • The StormCast API. Specification of software interfaces in StormCast 2.1 

      Hartvigsen, Gunnar; Johansen, Dag; Farsi, Vahid; Farstad, Werner; Høgtun, Bente; Knudsen, Pål (Research report; Forskningsrapport, 1994-12)
      This report presents the software architecture in the StormCast meteorological workbench. The focus is on the software interfaces in StormCast version 2.1. For each layer in the architecture the functionality, the call structure, the interfaces, the event diagrams and test data are described. In addition, further works are discussed. The identication of software interfaces are based on the StormCast ...
    • StormVideo - digital video in the field of meteorology 

      Nybø, Olav; Hartvigsen, Gunnar; Johansen, Dag (Research report; Forskningsrapport, 1994-09)
      Visual observations constitute important input to different meteorological tasks. Previously, these observations were made by human observers and manually reported to the meteorologists. With the employment of video technology, this kind of observations can be automated. This paper presents one approach to visual weather observations. This involves software compression and transmission of digital ...
    • A surrogate-assisted measurement correction method for accurate and low-cost monitoring of particulate matter pollutants 

      Wojcikowski, Marek; Pankiewicz, Bogdan; Bekasiewicz, Adrian; Cao, Tuan-Vu; Lepioufle, Jean-Marie; Vallejo, Islen; Ødegård, Rune Åvar; Ha, Hoai Phuong (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-07-12)
      Air pollution involves multiple health and economic challenges. Its accurate and low-cost monitoring is important for developing services dedicated to reduce the exposure of living beings to the pollution. Particulate matter (PM) measurement sensors belong to the key components that support operation of these systems. In this work, a modular, mobile Internet of Things sensor for PM measurements has ...
    • A systematic review of cluster detection mechanisms in syndromic surveillance: Towards developing a framework of cluster detection mechanisms for EDMON system 

      Yeng, Prosper Kandabongee; Woldaregay, Ashenafi Zebene; Solvoll, Terje; Hartvigsen, Gunnar (Journal article; Tidsskriftartikkel; Peer reviewed, 2018)
      Time lag in detecting disease outbreaks remains a threat to global health security. Currently, our research team is working towards a system called EDMON, which uses blood glucose level and other supporting parameters from people with type 1 diabetes, as indicator variables for outbreak detection. Therefore, this paper aims to pinpoint the state of the art cluster detection mechanism towards developing ...
    • Søknad på professorat ved norske universiteter og høgskoler 

      Hartvigsen, Gunnar (Journal article; Tidsskriftartikkel, 2015-05)
      En ansatt i vitenskapelig stilling skal utføre minst tre forskjellige oppgaver: forskning, undervisning og formidling. I tillegg kommer administrative gjøremål. Oppgavene trekker på ulike ferdigheter som alle bør dokumenteres i en søknad på en vitenskapelig stilling. Dessverre er det kun et mindretall som utformer sine søknader slik at totalkompetansen anskueliggjøres. En god søknad skal være komplett, ...
    • Tanning Wastewater Sterilization in the Dark and Sunlight Using Psidium guajava Leaf-Derived Copper Oxide Nanoparticles and Their Characteristics 

      Lakshmaiya, Natrayan; Surakasi, Raviteja; Nadh, V. Swamy; Srinivas, Chidurala; Kaliappan, Seniappan; Ganesan, Velmurugan; Paramasivam, Prabhu; Dhanasekaran, Seshathiri (Journal article; Tidsskriftartikkel; Peer reviewed, 2023-10-09)
      Employing Psidium guajava (P. guajava) extract from leaves, copper oxide nanoparticles (CuO NPs), likewise referred to as cupric oxide and renowned for their sustainable and harmless biogenesis, have the possibility of being useful for the purification of pollutants as well as for medicinal purposes. The current study examined the generated CuO NPs and their physical qualities by using ultraviolet−visible ...
    • The taste of Pesto 

      Dillema, Feike W.; Stabell-Kulø, Tage (Research report; Forskningsrapport, 2001-08)
      The Pesto distributed storage platform is geared towards a computing model where private machines play a pivotal r ˆ ole. We argue that no centralized solutions are acceptable in its design and that it supports allocation of separate tasks to separate system components found in its target environment. Hence, Pesto separates trust from responsibility, storage from access control policy, and ...
    • Technical Viewpoint of Challenges, Opportunities, and Future Directions of Policy Change and Information-Flow in Digital Healthcare Systems 

      Elgazazz, Areeg Samir Ahmed; Johansen, Håvard D. (Chapter; Bokkapittel, 2022)
      Digital healthcare systems often run on heterogeneous devices in a distributed multi-cluster environment, and maintain their healthcare policies for managing data, securing information flow, and controlling interactions among systems components. As healthcare systems become more digitally distributed, lack of integration and safe interpretation between heterogeneous systems clusters become ...
    • Telehealth at UC Davis—A 20-Year Experience 

      Nesbitt, Thomas S; Dharmar, Madan; Katz-Bell, Jana; Hartvigsen, Gunnar; Marcin, James P. (Journal article; Tidsskriftartikkel; Peer reviewed, 2013)
      Telehealth at the University of California Health System began as a telefetal monitoring connection with a rural hospital in 1992 and evolved to become the Center for Health and Technology (CHT) in 2000. The Center supports the vision of the University of California Davis (UC Davis) Health System—a healthier world through bold innovation. The CHT focuses on the four pillars of the academic ...
    • Telemedicine Services for the Arctic: A systematic review 

      Woldaregay, Ashenafi Zebene; Walderhaug, Ståle; Hartvigsen, Gunnar (Journal article; Tidsskriftartikkel; Peer reviewed, 2017-06-28)
      Background: Telemedicine services have been successfully used in areas where there are adequate infrastructures such as reliable power and communication lines. However, despite the increasing number of merchants and seafarers, maritime and Arctic telemedicine have had limited success. This might be linked with various factors such as lack of good infrastructure, lack of trained onboard personnel, ...
    • A Telemedicine System Intervention for Patients With Type 1 Diabetes: Pilot Feasibility Crossover Intervention Study 

      Vlasakova, Martina; Muzik, Jan; Holubova, Anna; Fiala, Dominik; Årsand, Eirik; Urbanová, Jana; Žďárská, Denisa Janíčková; Brabec, Marek; Brož, Jan (Journal article; Tidsskriftartikkel; Peer reviewed, 2023-04-28)
      Background: Today’s diabetes-oriented telemedicine systems can gather and analyze many parameters like blood glucose levels, carbohydrate intake, insulin doses, and physical activity levels (steps). Information collected can be presented to patients in a variety of graphical outputs. Despite the availability of several technical means, a large percentage of patients do not reach the goals established ...
    • Telemedisin - teknologi og helse 

      Hartvigsen, Gunnar (Conference object; Konferansebidrag, 2010-09-02)
    • TFHE-rs: A library for safe and secure remote computing using fully homomorphic encryption and trusted execution environments 

      Brenna, Lars; Singh, Isak Sunde; Johansen, Håvard D.; Johansen, Dag (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-01-20)
      Fully Homomorphic Encryption (FHE) and Trusted Execution Environ-ments (TEEs) are complementing approaches that can both secure computa-tions running remotely on a public cloud. Existing FHE schemes are, however, malleable by design and lack integrity protection, making them susceptible to integrity breaches where an adversary could modify the data and corrupt the output. This paper describes how ...
    • The third country problem under the GDPR: enhancing protection of data transfers with technology 

      Juliussen, Bjørn Aslak; Kozyri, Elisavet; Johansen, Dag; Rui, Jon Petter (Journal article; Tidsskriftartikkel; Peer reviewed, 2023-07-19)
      The overall objective of the General Data Protection Regulation (GDPR)1 is two-fold: To contribute to the protection of privacy and personal data and to promote the free flow of personal data within the protected area2 through uniform regulations and homogenized interpretations of those regulations.<p> <p>If a controller or processor in the protected area (the exporter) transfers personal data ...
    • Topic-based Video Analysis: A Survey 

      Pal, Ratnabali; Sekh, Arif Ahmed; Dogra, Debi Prosad; Kar, Samarjit; Roy, Partha Pratim; Prasad, Dilip K. (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-07-13)
      Manual processing of a large volume of video data captured through closed-circuit television is challenging due to various reasons. First, manual analysis is highly time-consuming. Moreover, as surveillance videos are recorded in dynamic conditions such as in the presence of camera motion, varying illumination, or occlusion, conventional supervised learning may not work always. Thus, computer ...
    • TOS: A Kernel of a Distributed Systems Management System 

      Marzullo, Keith; Lauvset, Kåre J.; Johansen, Dag (Research report; Forskningsrapport, 2000-03-02)
      Distributed systems are becoming harder to manage, in part because the uses we put to distributed systems are rapidly changing. Hence, the software used to manage a distributed system needs to be flexible enough to accommodate these new uses. It also has to be secure enough to not allow unauthorized changes to be made to the system. We present a library and a kernel that supports the management ...
    • Toward a Conversational Agent to Support the Self-Management of Adults and Young Adults With Sickle Cell Disease: Usability and Usefulness Study 

      Issom, David-Zacharie; Hardy-Dessources, Marie-Dominique; Romana, Marc; Hartvigsen, Gunnar; Lovis, Christian (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-01-29)
      Sickle cell disease (SCD) is the most common genetic blood disorder in the world and affects millions of people. With aging, patients encounter an increasing number of comorbidities that can be acute, chronic, and potentially lethal (e.g., pain, multiple organ damages, lung disease). Comprehensive and preventive care for adults with SCD faces disparities (e.g., shortage of well-trained providers). ...