Browsing Computer Science & Engineering by Title
Now showing items 1985-2004 of 2264
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Stego-eHealth: An eHealth System for Secured Transfer of Medical Images Using Image Steganography
( Qatar University Press , 2021 , Poster)COVID pandemic has necessitated the need for virtual and online health care systems to avoid contacts. The transfer of sensitive medical information including the chest and lung X-ray happens through untrusted channels ... -
Stemming Versus Light Stemming as Feature Selection Techniques for Arabic Text Categorization
( IEEE , 2007 , Conference Paper)This paper compares and contrasts two feature selection techniques when applied to Arabic corpus; in particular; stemming, and light stemming were employed. With stemming, words are reduced to their stems. With light ... -
Stochastic learning automata-based channel selection in cognitive radio/dynamic spectrum access for WiMAX networks
( John Wiley & Sons, Ltd. , 2015 , Article)This paper proposes a cognitive radio-based dynamic bandwidth allocation scheme for secondary users in a cluster-based WiMAX network. It uses a learning automata-based algorithm to find the optimal transmission channel, ... -
Stress Detection Using Experience Sampling: A Systematic Mapping Study
( MDPI , 2022 , Article)Stress has been designated the "Health Epidemic of the 21st Century" by the World Health Organization and negatively affects the quality of individuals' lives by detracting most body systems. In today's world, different ... -
Structural Health Monitoring Using Wireless Sensor Networks: A Comprehensive Survey
( Institute of Electrical and Electronics Engineers Inc. , 2017 , Article)Structural health monitoring (SHM) using wireless sensor networks (WSNs) has gained research interest due to its ability to reduce the costs associated with the installation and maintenance of SHM systems. SHM systems have ... -
Student Attitudes and Interests in STEM in Qatar through the Lens of the Social Cognitive Theory
( MDPI , 2023 , Article)STEM (science, technology, engineering, and math) has taken center stage as a priority policy agenda for Qatar’s leadership. At present, STEM stands as a fundamental catalyst for Qatar’s sustainable economic, environmental, ... -
Students Perceptions in a Flipped Computer Programming Course
( Springer Verlag , 2019 , Conference Paper)Flipped classroom pedagogy have gained attention in recent years. This paper reports our study on the attitudes of students towards flipped classroom in introductory programming. Surveys were used to measure the perception ... -
Study on Characteristics of Metric-aware Multipath Algorithms in Real Heterogeneous Networks
( Institute of Electrical and Electronics Engineers Inc. , 2021 , Conference Paper)Multipath transmission is considered one of the promising solutions to improve wireless resource utilization where there are many kinds of heterogeneous networks around. Most scheduling algorithms rely on real-time network ... -
Subcellular protein expression models for microsatellite instability in colorectal adenocarcinoma tissue images
( BioMed Central , 2016 , Article)Background New bioimaging techniques capable of visualising the co-location of numerous proteins within individual cells have been proposed to study tumour heterogeneity of neighbouring cells within the same tissue specimen. ... -
Subchannel Assignment and Power Allocation for Time-Varying Fog Radio Access Network with NOMA
( Institute of Electrical and Electronics Engineers Inc. , 2021 , Article)To satisfy future wireless network's requirements of huge capacity, ultra low delay and supermassive connectivity, it is urgent to study novel wireless communication network architecture and technology. Fog-computing radio ... -
Subjective and objective quality assessment of degraded document images
( Elsevier Masson SAS , 2018 , Article)The huge amount of degraded documents stored in libraries and archives around the world needs automatic procedures of enhancement, classification, transliteration, etc. While high-quality images of these documents are in ... -
Subjective Evaluation of Market-Driven Cloud Services
( Institute of Electrical and Electronics Engineers Inc. , 2017 , Conference Paper)We investigate the use of subjective metrics in social media to evaluate cloud service performance in the market. We first examine the subjective factors that drive cloud consumers to/from purchasing cloud services. These ... -
Subspace based network community detection using sparse linear coding
( Institute of Electrical and Electronics Engineers Inc. , 2016 , Conference Paper)Information mining from networks by identifying communities is an important problem across a number of research fields including social science, biology, physics, and medicine. Most existing community detection algorithms ... -
Super-Resolution of Brain MRI Images Using Overcomplete Dictionaries and Nonlocal Similarity
( Institute of Electrical and Electronics Engineers Inc. , 2019 , Article)Recently, the magnetic resonance imaging (MRI) images have limited and unsatisfactory resolutions due to various constraints such as physical, technological, and economic considerations. Super-resolution techniques can ... -
Supervised machine learning techniques for efficient network intrusion detection
( Institute of Electrical and Electronics Engineers Inc. , 2019 , Conference Paper)Cloud computing is gaining significant traction and virtualized data centers are becoming popular as a cost-effective infrastructure in telecommunication industry. Infrastructure as a Service (IaaS), Platform as a Service ... -
Support peer assessment processes in online problem-based learning
( IEEE Computer Society , 2016 , Conference Paper)Problem Based Learning (PBL) is proposed as one of the most well-known alternatives to traditional lectures in modeling engineering graduates to become independent workers, critical thinkers, problem solver, lifelong ... -
Surround-Screen Mobile based Projection: Design and Implementation of Mobile Cave Virtual Reality
( Institute of Electrical and Electronics Engineers Inc. , 2017 , Article)Virtual Reality (VR) is the employment of computer devices to simulate real or imaginary environments. Conventional user interfaces stresses the usage of screen displays to interact with the developed environment. The ... -
A survey of cyber-physical attacks and detection methods in smart water distribution systems
( Institute of Electrical and Electronics Engineers Inc. , 2021 , Article)Modern technologies empower water distribution systems (WDS) for better services in the processes of water supply, storage, distribution, and recycling. They improve real-time monitoring, automating, and managing. However, ... -
Survey of Immersive Techniques for Surgical Care Telemedicine Applications
( Institute of Electrical and Electronics Engineers Inc. , 2021 , Conference Paper)Telemedicine is one of the rising and innovative tools in medicine that allows the remote delivery of health services over the internet. This technology enables people who do not have direct and urgent access to expert ... -
A survey on 5G/6G, AI, and Robotics
( Elsevier Ltd , 2021 , Article)The development of various fields of computer is constantly improving people's lives. In recent years, the most obvious is the development of Artificial Intelligence (AI). Computer vision is applied to face recognition, ...
