Cardiff School of Technologies: Recent submissions
Now showing items 1-20 of 113
-
Quality of Experience (QoE)-Aware Fast Coding Unit Size Selection for HEVC Intra-prediction
(MDPI, 2019-08-11)The exorbitant increase in the computational complexity of modern video coding standards, such as High Efficiency Video Coding (HEVC), is a compelling challenge for resource-constrained consumer electronic devices. For ... -
Applicability and Appropriateness of Distributed Ledgers Consensus Protocols in Public and Private Sectors: A Systematic Review
(IEEE, 2019-03-21)Advancement of consensus protocols in recent years has enabled distributed ledger technologies (DLTs) to find its application and value in sectors beyond cryptocurrencies. Here we reviewed 66 known consensus protocols and ... -
Development and Evaluation of a Novel Robotic System for Search and Rescue
(Springer, 2019-07-17)Search and Rescue robotics is a relatively new field of research, which is growing rapidly as new technologies emerge. However, the robots that are usually applied to the field are generally small and have limited ... -
What makes for effective visualisation in Cyber Situational Awareness for Non-Expert Users?
(ieee, 2019-06-03)As cyber threats continue to become more prevalent, there is a need to consider how best we can understand the cyber landscape when acting online, especially so for non-expert users. Satellite navigation systems provide ... -
Information extraction in emergency management missions: an adaptive multi-agent approach
(Inderscience, 2017-07-12)With increasing demands for autonomous agents to work alongside humans in emergency management response (EMR), considerations of translations of human to machine language (and the converse) are timely. We present a prototype ... -
Software Requirements Engineering in Digital Healthcare: A Case Study of the Diagnosis and Monitoring of Autism Spectrum Disorders in Children in the UK’s National Health Service
(Springer, 2017-05-14)A major issue in designing digital healthcare software solutions is ensuring they meet the clinical needs and requirements of key services, as well as the expectations of various healthcare professionals. Modern software ... -
Language Choice in Introductory Programming Courses at Australasian and UK Universities
(ACM Digital Library, 2018-02-24)Parallel surveys of introductory programming courses were conducted in Australasia and the UK, with a view to examining the programming languages being used, the preferred integrated development environments (if any), and ... -
Neural Networks for Medical Applications
(Oxford University Press, 2018-02-14)With increases in data size and the richness of available data, machine learning (ML) has seen a resurrection of interest in recent years. With that in mind, Dr Ana C. Calderon and Dr Simon Thorne, from the Department of ... -
Software sustainability: Research and practice from a software architecture viewpoint
(Elsevier, 2017-12-20)Context: Modern societies are highly dependent on complex, large-scale, software-intensive systems that increasingly operate within an environment of continuous availability, which is challenging to maintain and evolve ... -
Quality of Experience and Quality of Service Metrics for 3D Content
(Springer, 2019)Traditionally, the quality of a multimedia system was mainly assessed through the evaluation of its Quality of Service (QoS) that is by evaluating system parameters such as bandwidth, latency, jitter, throughput, transmission ... -
A Multi-factor Authentication Method for Security of Online Examinations
(Springer, 2018-12-30)Security of online examinations is the key to success of remote online learning. However, it faces many conventional and non-conventional security threats. Impersonation and abetting are rising non-conventional security ... -
Thy word is a lamp unto my feet: A study via metaphoric perceptions on how online feedback benefited Chinese learners
(Springer, 2019-02-07)Theoretical claims about the benefits of online feedback suggest it can facilitate language learning. However, despite the calls for new digital literacies on language education, attitudes of educators have not been ... -
A study into the usability and security implications of text and image based challenge questions in the context of online examination
(Springer, 2018-06-19)Online examinations are an integral component of online learning environments and research studies have identified academic dishonesty as a critical threat to the credibility of such examinations. Academic dishonesty exists ... -
Decoding Complexity-Aware, Rate, Distortion Optimized HEVC Video Encoding
(Institute of Electrical and Electronics Engineers (IEEE), 2018-01-12)Video content adaptation has become a popular application layer approach to reduce the decoding complexity and the associated energy consumption of video playback. In this context, this paper proposes an encoding algorithm ... -
Decoding-Complexity-Aware HEVC Encoding Using a Complexity-Rate-Distortion Model
(Institute of Electrical and Electronics Engineers (IEEE), 2018-03-02)The energy consumption of consumer electronic (CE) devices during media playback is inexorably linked to the computational complexity of decoding compressed video. Reducing a CE device's the energy consumption is therefore ... -
A Feature Based Complexity Model for Decoder Complexity Optimized HEVC Video Encoding
(Institute of Electrical and Electronics Engineers (IEEE), 2017-01-08)The complexity of the novel video compression algorithms is a major contributor for the increased demand of processing and energy resources for video playback in consumer electronic devices. Therefore, a decoder complexity ... -
Decoder energy-aware intra-coded HEVC bit stream generation
(Institute of Electrical and Electronics Engineers (IEEE), 2016-07-11)The rising demand for media consumption via mobile devices and the emergence of complex video coding algorithms present an additional challenge for the energy management algorithms in resource-constrained consumer electronic ... -
Piloting e-Assessment of Diagrammatic Coursework, CIF 2008/09 Project Completion Report
(2010-04-14)This project deals with improving undergraduate assessment by using automated marking fordiagrammatic coursework. Automated marking of diagrammatic coursework (e-Assessment),offers many potential benefits including timely ... -
An adaptive video streaming framework for Scalable HEVC (SHVC) standard
(IEEE, 2019-03-07)This paper presents an implementation of a Media Aware Network Element (MANE) for dynamic video content adaptation in Scalable HEVC (SHVC) video streaming. The experimental results discuss the varying ... -
Content Adaptive Fast CU Size Selection for HEVC Intra-Prediction
(IEEE, 2019-03-07)This paper proposes a content adaptive fast CU size selection algorithm for HEVC intra-prediction using weighted support vector machines. The proposed algorithm demonstrates an average encoding time reduction of 52.38% ...
