Browsing Qatar University Institutional Repository by Title
Now showing items 23027-23046 of 27817
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Video Quality Assessment Dataset for Smart Public Security Systems
( Institute of Electrical and Electronics Engineers Inc. , 2020 , Conference Paper)Security and monitoring systems are more and more demanding in terms of quality, reliability and flexibility especially those dedicated to video surveillance. The quality of the acquired video signal strongly affects the ... -
Video summarization based on motion detection for surveillance systems
( Institute of Electrical and Electronics Engineers Inc. , 2019 , Conference Paper)In this paper a video summarization method based on motion detection has been proposed. Sensor noise (noise of acquisition and digitization) and the illumination changes in the scene are the most limitations of the background ... -
Video surveillance using deep transfer learning and deep domain adaptation: Towards better generalization
( Elsevier , 2023 , Other)Recently, developing automated video surveillance systems (VSSs) has become crucial to ensure the security and safety of the population, especially during events involving large crowds, such as sporting events. While ... -
Video transcoding at the edge: cost and feasibility perspective
( Springer Nature , 2023 , Article)The developments in smartphones, high data rates, and substantial video data traffic have increased the burden on cellular networks. Consequently, this burden significantly affects the Quality of Experience of the cellular ... -
Video/Computer Game Addiction Among University Students in Ghana: Prevalence, Correlates and Effects of Some Demographic Factors
( AVES , 2020 , Article)Background: This study represented the first investigation of video/computer game addiction in Ghana and Africa. We investigated the prevalence of video game addiction and some of its correlates. In addition, the effects ... -
ViDMASK dataset for face mask detection with social distance measurement
( Elsevier B.V. , 2022 , Article)The COVID-19 outbreak has extenuated the need for a monitoring system that can monitor face mask adherence and social distancing with the use of AI. With the existing video surveillance systems as base, a deep learning ... -
Views and experiences of community pharmacy team members on antimicrobial stewardship activities in Scotland: a qualitative study.
( Springer , 2020 , Article)Background It has been acknowledged and recognised internationally that the community pharmacy team has a major role to play in antimicrobial stewardship programmes, particularly regarding patient engagement. However, there ... -
Views and experiences of decision-makers on organisational safety culture and medication errors
( Wiley , 2020 , Article)In 2017, the World Health Organization published “Medication Without Harm, WHO Global Patient Safety Challenge,” to reduce patient harm caused by unsafe medication use practices. While the five objectives emphasise the ... -
Views of the Gulf Cooperation Council among Qatari and Other Gulf Nationals
( The Social and Economic Survey Research Institute, Qatar University , 2016 , Report)Here we examine the orientations of Qatari citizens toward the Gulf Cooperation Council (GCC) as revealed in a pan-GCC survey conducted in 2016. We assess general attitudes toward the Council as an institution, toward ... -
Vigorous Physical Activity Is Associated With Better Glycated Hemoglobin and Lower Fear of Hypoglycemia Scores in Youth With Type 1 Diabetes: A 2-Year Follow-Up Study
( Frontiers Media , 2020 , Article)To correlate glycated hemoglobin (HbA1c) and fear of hypoglycemia scores with physical activity (PA) levels in children and adolescents with type 1 diabetes (T1D) over a period of 2 years. Twenty-eight children and 33 ... -
Violators versus non-violators of information security measures in organizations-A study of distinguishing factors
( Taylor and Francis Inc. , 2019 , Article)The present study analyzes the elements that differentiate violators from non-violators of information security measures. Various elements are derived from established theories and models such as general deterrence theory, ... -
Violence against women in Qatari Society
( Duke University Press , 2009 , Article)This study is the first of its kind using field and documentary research sources. While official sources on the subject have proven the limitations of such data, the study uses a field survey of a sample of 2,787 women ... -
Viral meningitis : an overview
( Springer-Verlag , 2021 , Article)Meningitis is a serious condition that affects the central nervous system. It is an inflammation of the meninges, which is the membrane that surrounds both the brain and the spinal cord. Meningitis can be caused by bacterial, ... -
Viral metagenomics analysis of stool specimens from children with unresolved gastroenteritis in Qatar
( Elsevier , 2022 , Article)Acute gastroenteritis (AGE) is associated with significant global morbidity and mortality, especially among children under five years of age. Viruses are well established as etiologic agents of gastroenteritis since they ... -
Viral-Induced Enhanced Disease Illness
( Frontiers Media , 2018 , Article)Understanding immune responses to viral infections is crucial to progress in the quest for effective infection prevention and control. The host immunity involves various mechanisms to combat viral infections. Under certain ... -
Virtual agents and flow experience: An empirical examination of AI-powered chatbots
( Elsevier , 2022 , Article)The aspects that could shape customers' virtual experiences with chatbot applications are poorly understood. Therefore, this study aims to empirically examine the main factors that shape customers' virtual flow experiences ... -
Virtual and Augmented Reality in Surgery
( Springer , 2020 , Book chapter)To provide an overview of the novel applications of Augmented Reality (AR) and Virtual Reality (VR) technologies within the realm of Surgery. This chapter will clarify the concepts associated with AR and VR in the context ... -
Virtual environments for improving construction site safety
( Taylor & Francis , 2011 , Article)This paper aims to present a visual simulation technique for improving construction site safety based on virtual construction environments (VCE). Additionally, the paper presents a framework to conduct true ‘what-if’ ... -
Virtual flux oriented sensorless direct power control of qzs inverter connected to grid for solar pv applications
( Institute of Electrical and Electronics Engineers Inc. , 2019 , Conference Paper)Impedance source inverters (Z-source and Quazi-Z-source (QZS)) are the promising converter topologies in the future generation because of the buck, boost and buck-boost modes of operation. In this paper, three phase voltage ... -
Virtual Inertia Support in Power Systems for High Penetration of Renewables - Overview of Categorization, Comparison, and Evaluation of Control Techniques
( Institute of Electrical and Electronics Engineers Inc. , 2022 , Article)By replacing conventional generation units with renewable energy sources (RESs), the power system gains an alternate source of future power generation and a better environmental platform. RESs, on the other hand, are unable ...