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Variational based smoke removal in laparoscopic images
(Journal article; Peer reviewed, 2018)Background In laparoscopic surgery, image quality can be severely degraded by surgical smoke, which not only introduces errors for the image processing algorithms (used in image guided surgery), but also reduces the ... -
Variational formulations, model comparisons and numerical methods for Euler–Bernoulli micro- and nano-beam models
(Journal article; Peer reviewed, 2017)As a first step, variational formulations and governing equations with boundary conditions are derived for a pair of Euler–Bernoulli beam bending models following a simplified version of Mindlin’s strain gradient elasticity ... -
Variational image regularization with Euler's elastica using a discrete gradient scheme
(Journal article; Peer reviewed, 2018)This paper concerns an optimization algorithm for unconstrained nonconvex problems where the objective function has sparse connections between the unknowns. The algorithm is based on applying a dissipation preserving ... -
Variational Inference over Nonstationary Data Streams for Exponential Family Models
(Peer reviewed; Journal article, 2020)In many modern data analysis problems, the available data is not static but, instead, comes in a streaming fashion. Performing Bayesian inference on a data stream is challenging for several reasons. First, it requires ... -
Variational Mode Decomposition-Based Threat Classification for Fiber Optic Distributed Acoustic Sensing
(Peer reviewed; Journal article, 2020)In this study, a novel method is proposed to detect and classify the threats for fiber optic distributed acoustic sensing (DAS) systems. In the study, phase-sensitive optical time-domain reflectometry (phase-OTDR) is ... -
A variational multiscale framework for atmospheric turbulent flows over complex environmental terrains
(Peer reviewed; Journal article, 2020)A residual-based variational multi-scale (VMS) modeling framework is applied to simulate atmospheric flow over complex environmental terrains. The VMS framework is verified and validated using two test cases using linear ... -
Variational multiscale reinforcement learning for discovering reduced order closure models of nonlinear spatiotemporal transport systems
(Peer reviewed; Journal article, 2022)A central challenge in the computational modeling and simulation of a multitude of science applications is to achieve robust and accurate closures for their coarse-grained representations due to underlying highly nonlinear ... -
Variations in drug-related problems detected by multidisciplinary teams in Norwegian nursing homes and home nursing care
(Journal article; Peer reviewed, 2018)Objective: Traditionally, nursing homes have been associated with suboptimal drug therapy and drug-related problems (DRPs). In contrast, less is known about drug safety in homecare. The aim of this study was to describe ... -
Variations in Elite Female Soccer Players' Sleep, and Associations With Perceived Fatigue and Soccer Games
(Peer reviewed; Journal article, 2021)The current study investigated the associations between female perceived fatigue of elite soccer players and their sleep, and the associations between the sleep of players and soccer games. The sample included 29 female ... -
Variations in levels of care between nursing home patients in a public health care system
(Journal article; Peer reviewed, 2014) -
Variations in seasonal solar insolation are associated with a history of suicide attempts in bipolar I disorder
(Peer reviewed; Journal article, 2021)Background: Bipolar disorder is associated with circadian disruption and a high risk of suicidal behavior. In a previous exploratory study of patients with bipolar I disorder, we found that a history of suicide attempts ... -
Variations in the Circle of Willis in a large population sample using 3D TOF angiography: The Tromsø Study
(Peer reviewed; Journal article, 2020)The main arteries that supply blood to the brain originate from the Circle of Willis (CoW). The CoW exhibits considerable anatomical variations which may have clinical importance, but the variability is insufficiently ... -
Variations in the management of diffuse low-grade gliomas - A Scandinavian multicenter study
(Peer reviewed; Journal article, 2021)Background Early extensive surgery is a cornerstone in treatment of diffuse low-grade gliomas (DLGGs), and an additional survival benefit has been demonstrated from early radiochemotherapy in selected “high-risk” patients. ... -
Variations in the relative age effect with age and sex, and over time—Elite-level data from international soccer world cups
(Journal article; Peer reviewed, 2022) -
Variations in wait times for imaging services: a register-based study of self-reported wait times for specific examinations in Norway
(Peer reviewed; Journal article, 2023)Background While the number of medical images has increased substantially, the demand has outpaced access, resulting in long wait times in many countries. Long wait times are a key problem for patient safety and quality ... -
Variations of Joint Integrated Data Association With Radar and Target-Provided Measurements
(Peer reviewed; Journal article, 2023)Target tracking algorithms are usually based on exteroceptive measurements obtained from sensors placed in the center of some surveillance area. However, information transmitted from surrounding targets will often also be ... -
Varieties of EU trade politicisation in EU public debates
(Peer reviewed; Journal article, 2023)This paper examines the politicisation of EU trade policy at the level of the EU's Member States. In an effort to study the variation of politicisation across the EU, going beyond the degree to which an issue is politicised, ... -
Various Approaches to Early Contractor Involvement in Relational Contracts
(Journal article; Peer reviewed, 2021)The main rationale for involving contractors is to apply collaboration to mitigate risk and to harvest opportunities to reduce cost and to increase the project owner’s value. In the paper we argue in the applied analytical ... -
The VAROS Synthetic Underwater Data Set: Towards realistic multi-sensor underwater data with ground truth
(Peer reviewed; Journal article, 2021)Underwater visual perception requires being able to deal with bad and rapidly varying illumination and with reduced visibility due to water turbidity. The verification of such algorithms is crucial for safe and efficient ... -
Varslingsutstyr for hørselshemmede i det offentlige rom. Kunnskapsoppsummering.
(SINTEF Rapport;, Research report, 2015)