Recent submissions

  • What makes for effective visualisation in Cyber Situational Awareness for Non-Expert Users? 

    Carroll, Fiona; Legg, Phil; Chakof, Adam (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 

    Calderon, Ana (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 

    Tryfona, Catherine; Crick, Tom; Calderon, Ana; Thorne, Simon (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 

    Simon; Mason, Raina; Crick, Tom; Davenport, James H.; Murphy, Ellen (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 

    Calderon, Ana; Thorne, Simon (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 

    Venters, Colin; Capilla, Rafael; Betz, Stefanie; Penzenstadler, Birgit; Crick, Tom; Crouch, Steve; Elisa, Yumi Nakagawa; Becker, Christoph; Carrillo, Carlos (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 

    Barreda-Ángeles, Miguel; Battisti, Federica; Boato, Giulia; Carli, Marco; Dumic, Emil; Gelautz, Margrit; Hewage, Chaminda; Kukolj, Dragan; Le-Callet, Patrick; Liotta, Antonio; Pasquini, Cecilia; Pereda-Baños, Alexandre; Politis, Christos; Sandic, Dragana; Tekalp, Murat; Torres-Vega, María; Zlokolica, Vladimir (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 

    Ullah, Abrar; Xiao, Hannan; Barker, Trevor (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 

    Lin Ding, Seong; Chew, Esyin (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 

    Ullah, Abrar; Xiao, Hannan; Barker, Trevor (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 

    Mallikarachchi, Thanuja; Talagala, Dumidu; Kodikara Arachchi, Hemantha; Fernando, Anil (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 

    Mallikarachchi, Thanuja; Talagala, Dumidu; Kodikara Arachchi, Hemantha; Fernando, Anil (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 

    Mallikarachchi, Thanuja; Talagala, Dumidu; Kodikara Arachchi, Hemantha; Fernando, Anil (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 

    Mallikarachchi, Thanuja; Talagala, Dumidu; Kodikara Arachchi, Hemantha; Fernando, Anil (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 

    Jayal, Ambikesh; Shepperd, Martin (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 

    Rakngan, S.; Mallikarachchi, Thanuja; Fernando, A. (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 

    Erabadda, B.; Mallikarachchi, Thanuja; Kulupana, G.; Fernando, A. (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% ...
  • Experiences of Introducing Group Projects to Computing Degrees 

    Shepperd, Martin; Jayal, Ambikesh (IUT, 2010-06-30)
    As a result of restructuring our computing undergraduate programmes, we introduced group projects as an integrating central spine for Levels 1 and 2. The task includes requirements discovery, software development, team ...
  • An Evaluation of E-Learning Standards 

    Jayal, Ambikesh; Shepperd, Martin (Computer Society of India, 2007-12-28)
    The aim of this investigation is to perform an independent study of the various emerging elearning standards. This paper presents a summary of these standards in order to make them more accessible and understandable, and ...
  • Premark: A System Designed To Organising Course Work For Assessment 

    Jayal, Ambikesh; Cartwright, Michelle; Shepperd, Martin (Computer Society of India, 2007-12-28)
    Unfortunately a side effect of the introduction of some e-learning systems into HEIs has been the loss of flexibility and the imposition of new processes that can result in additional clerical and ...

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