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Now showing items 1460-1479 of 48061
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A vision-based zebra crossing detection method for people with visual impairments
( IEEE , 2020 , Conference Paper)Safe navigation for visually impaired is challenging without assistive technology. This paper proposes a pedestrian crossing detection approach to help visually impaired people. We introduce the use of multiple convolutional ... -
A visual processing advantage for young-adolescent deaf observers: Evidence from face and object matching tasks
( Nature Publishing Group , 2017 , Article)It is unresolved whether the permanent auditory deprivation that deaf people experience leads to the enhanced visual processing of faces. The current study explored this question with a matching task in which observers ... -
A Visualization Training Tool for Optimum Cutting Range During Urethral Dissection in Robot-Assisted Radical Prostatectomy: A deep learning approach
(2021 , Master Thesis)Surgical training and skills assessment is one of the methodologies used by clinical practitioners to master their skills in a fault-tolerant, safe and risk-free environment. Software training tools is one of them. Narrowing ... -
A voltage-behind-reactance model of five-phase induction machines considering the effect of magnetic saturation
( IEEE , 2013 , Article)Five-phase induction machines are generally modeled using multiple dq planes or using a phase variable model. This paper considers modeling five-phase induction machines using a voltage-behind-reactance (VBR) configuration. ... -
A wavelet approach for profile monitoring of Poisson distribution with application
( Taylor and Francis Inc. , 2019 , Article)Profile monitoring is defined as the act of utilizing regression and quality control techniques to monitor the functional relationship between a response variable and one or more regressors. Most of the previous studies ... -
A Weighted Machine Learning-Based Attacks Classification to Alleviating Class Imbalance
( Institute of Electrical and Electronics Engineers Inc. , 2021 , Article)The Industrial Internet of Things (IIoT) has become very popular in recent years. However, IIoT is still an attractive and vulnerable target for attackers to exploit and experiment with different types of attacks. To ... -
A weighted version of Hermite-Hadamard type inequalities for strongly GA-convex functions
( Institute of Advanced Science Extension (IASE) , 2020 , Article)In this paper, we have established new weighted Hermite-Hadamard type inequalities for strongly GA-convex functions. Those findings are obtained by using geometric symmetry of continuous positive mappings and differentiable ... -
A Whole-Genome Sequencing Association Study of Low Bone Mineral Density Identifies New Susceptibility Loci in the Phase I Qatar Biobank Cohort
( Qatar University Press , 2021 , Poster)Introduction: Bone density disorders are characterized by a reduction in bone mass density and strength, which lead to an increase in the susceptibility to sudden and unexpected fractures. Despite the serious consequences ... -
A wind turbine architecture employing a new three port magnetic gear box
( IEEE Computer Society , 2012 , Conference Paper)Mechanical gearboxes are typically employed with doubly-fed induction generator based wind turbines to convert the turbine's low speed mechanical power into high-speed mechanical power to drive the electrical generator. ... -
A Wireless Battery Temperature Monitoring System for Electric Vehicle Charging
( Institute of Electrical and Electronics Engineers Inc. , 2019 , Conference Paper)Thermal monitoring during charging increases the safety and efficiency of Electric Vehicles (EVs) batteries. Up to now, no thermal sensing solutions are able to perform temperature sensing for each battery cell in the EV ... -
A wireless oxygen saturation and heart rate monitoring and alarming system based on the Qatar early warning scoring system
( Institute of Electrical and Electronics Engineers Inc. , 2016 , Conference Paper)Monitoring vital signs and alarming healthcare emergency response units whenever measurements are outside the normal range could be life-saving for high-risk patients who are living alone or sleeping. This paper presents ... -
A wireless oxygen saturation and heart rate monitoring and alarming system based on the Qatar Early Warning Scoring system
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Article)Background: Peripheral oxygen saturation (SpO2) and heart rate (HR) are important indicators for various medical conditions such as cardiopulmonary disorders and respiratory diseases. The main objectives of this study is ... -
A YOLOv3 Deep Neural Network Model to Detect Brain Tumor in Portable Electromagnetic Imaging System
( Institute of Electrical and Electronics Engineers Inc. , 2021 , Article)This paper presents the detection of brain tumors through the YOLOv3 deep neural network model in a portable electromagnetic (EM) imaging system. YOLOv3 is a popular object detection model with high accuracy and improved ... -
A Zeta-converter based four-switch three-phase DC-AC inverter
( Institute of Electrical and Electronics Engineers Inc. , 2015 , Conference Paper)Minimizing the number of active switching devices in switched-mode power-electronic systems has a significant importance. Reduced complexity and switching losses, low cost, weight, and volume and high reliability are the ... -
A/C condensate for water reuse: An approach towards environmental sustainability in Doha
( American Society of Agricultural and Biological Engineers , 2012 , Conference Paper)A/C Condensate is a relatively untapped alternative source of water that might be readily available especially in hot arid climates. The objective of this study is to establish the feasibility of the A/C condensate as the ... -
Ab initio molecular dynamics investigation of CH4/CO2 adsorption on calcite: Improving the enhanced gas recovery process
( American Chemical Society , 2020 , Article)Ab initio molecular dynamics simulations of CH4 and CO2 on the calcite (104) surface have been carried out for the molecular level analysis of CO2-enhanced gas recovery process (EGR). This process takes advantage of the ... -
Ab Initio molecular dynamics of the dissolution of oilfield pyrite scale using borax
( Elsevier B.V. , 2020 , Article)Iron sulfide scales, particularly pyrite, form in oil and gas underground tubing and surface equipment thus blocking the flow of fluids and halting production. Therefore, the development of physicochemical processes for ... -
Ab initio molecular dynamics study of the interlayer and micropore structure of aqueous montmorillonite clays
( Elsevier Ltd , 2015 , Article)Ab initio molecular dynamics simulations have been performed to gain an understanding of the interfacial microscopic structure and reactivity of fully hydrated clay edges. The models studied include both micropore and ... -
Ab initio study on the formation of triiodide CT complex from the reaction of iodine with 2,3-diaminopyridine
( Elsevier , 2010 , Article)The charge transfer (CT) interaction between iodine and 2,3-diaminopyridine (DAPY) has been thoroughly investigated via theoretical calculations. A Hartree–Fock, 3-21G level of theory was used to optimize and calculate the ...
