All Outputs (66)

A nondominated sorting genetic algorithm for bi-objective network coding based multicast routing problems (2013)
Journal Article
Xing, H., & Qu, R. (2013). A nondominated sorting genetic algorithm for bi-objective network coding based multicast routing problems. Information Sciences, 233, https://doi.org/10.1016/j.ins.2013.01.014

Network coding is a new communication technique that generalizes routing, where, instead of simply forwarding the packets they receive, intermediate nodes are allowed to recombine (code) together some of the data packets received from different incom... Read More about A nondominated sorting genetic algorithm for bi-objective network coding based multicast routing problems.

A harmony search algorithm for nurse rostering problems (2013)
Journal Article
Hadwan, M., Ayob, M., Kendall, G., & Qu, R. (2013). A harmony search algorithm for nurse rostering problems. Information Sciences, 233, https://doi.org/10.1016/j.ins.2012.12.025

Harmony search algorithm (HSA) is a relatively new nature-inspired algorithm. It evolves solutions in the problem search space by mimicking the musical improvisation process in seeking agreeable harmony measured by aesthetic standards. The nurse rost... Read More about A harmony search algorithm for nurse rostering problems.

A semi-automatic methodology for facial landmark annotation (2013)
Presentation / Conference Contribution
Sagonas, C., Tzimiropoulos, G., Zafeiriou, S., & Pantic, M. (2013, June). A semi-automatic methodology for facial landmark annotation. Presented at 2013 IEEE Conference on Computer Vision and Pattern Recognition (CVPRW)

Developing powerful deformable face models requires massive, annotated face databases on which techniques can be trained, validated and tested. Manual annotation of each facial image in terms of landmarks requires a trained expert and the workload is... Read More about A semi-automatic methodology for facial landmark annotation.

Supplementary material to "Climate change impact on available water resources obtained using multiple global climate and hydrology models" (2013)
Other
Hagemann, S., Chen, C., Clark, D. B., Folwell, S., Gosling, S. N., Haddeland, I., Hanasaki, N., Heinke, J., Ludwig, F., Voß, F., & Wiltshire, A. J. (2013). Supplementary material to "Climate change impact on available water resources obtained using multiple global climate and hydrology models"

Participant experiences of mobile device-based diary studies (2013)
Journal Article
Sun, X., Golightly, D., Cranwell, J., Bedwell, B. D., & Sharples, S. (2013). Participant experiences of mobile device-based diary studies. International Journal of Mobile Human Computer Interaction, 5(2), https://doi.org/10.4018/jmhci.2013040104

Mobile device-based diary studies have potential as contextual data capture methods that address the limitations of the traditional paper-based diary method. While there have been a number of studies that demonstrate the power of the mobile device-ba... Read More about Participant experiences of mobile device-based diary studies.

Tailored scenarios: a low-cost online method to elicit perceptions on designs using real relationships (2013)
Presentation / Conference Contribution
Coughlan, T., Brown, M., Lawson, G., Mortier, R., Houghton, R., & Goulden, M. Tailored scenarios: a low-cost online method to elicit perceptions on designs using real relationships. Presented at ACM SIGCHI Conference on Human Factors in Computing Systems 2013

This paper describes the on-going development of a method to elicit perceptions of design ideas for social technologies, through automatically tailoring scenarios presented in online surveys using information gathered from respondents. The work has b... Read More about Tailored scenarios: a low-cost online method to elicit perceptions on designs using real relationships.

Building open bridges: collaborative remixing and reuse of open educational resources across organisations (2013)
Presentation / Conference Contribution
Coughlan, T., Pitt, R., & McAndrew, P. Building open bridges: collaborative remixing and reuse of open educational resources across organisations. Presented at CHI 2013, Changing Perspectives: ACM Conference on Human Factors in Computing Systems 2013, Paris, France

In this paper we analyse the remixing and reuse of online learning materials offered as Open Educational Resources (OER). We explore the practices that developed as a set of course materials were released as OER from the UK, remixed for a US context... Read More about Building open bridges: collaborative remixing and reuse of open educational resources across organisations.

Investigating mathematical models of immuno-interactions with early-stage cancer under an agent-based modelling perspective (2013)
Journal Article
Figueredo, G. P., Siebers, P.-O., & Aickelin, U. (2013). Investigating mathematical models of immuno-interactions with early-stage cancer under an agent-based modelling perspective. BMC Bioinformatics, 14(Spl. 6), Article S6. https://doi.org/10.1186/1471-2105-14-S6-S6

Many advances in research regarding immuno-interactions with cancer were developed with the help of ordinary differential equation (ODE) models. These models, however, are not effectively capable of representing problems involving individual localisa... Read More about Investigating mathematical models of immuno-interactions with early-stage cancer under an agent-based modelling perspective.

Generic active appearance models revisited (2013)
Presentation / Conference Contribution
Tzimiropoulos, G., Alabort-i-Medina, J., Zafeiriou, S., & Pantic, M. (2012, November). Generic active appearance models revisited. Presented at Computer Vision -- ACCV 2012, Daejeon, South Korea

The proposed Active Orientation Models (AOMs) are generative models of facial shape and appearance. Their main differences with the well-known paradigm of Active Appearance Models (AAMs) are (i) they use a different statistical model of appearance, (... Read More about Generic active appearance models revisited.

A more realistic approach for airport ground movement optimisation with stand holding (2013)
Journal Article
Ravizza, S., Atkin, J., & Burke, E. K. (2014). A more realistic approach for airport ground movement optimisation with stand holding. Journal of Scheduling, 17(5), https://doi.org/10.1007/s10951-013-0323-3

In addition to having to handle constantly increasing numbers of aircraft, modern airports also have to address a wide range of environmental regulations and requirements. As airports work closer and closer to their maximal possible capacity, the ope... Read More about A more realistic approach for airport ground movement optimisation with stand holding.

Particle swarm optimization for the Steiner tree in graph and delay-constrained multicast routing problems (2013)
Journal Article
Qu, R., Xu, Y., Castro-Gutierrez, J., & Landa-Silva, D. (2013). Particle swarm optimization for the Steiner tree in graph and delay-constrained multicast routing problems. Journal of Heuristics, 19(2), https://doi.org/10.1007/s10732-012-9198-2

This paper presents the first investigation on applying a particle swarm optimization (PSO) algorithm to both the Steiner tree problem and the delay constrained multicast routing problem. Steiner tree problems, being the underlining models of many ap... Read More about Particle swarm optimization for the Steiner tree in graph and delay-constrained multicast routing problems.

Recovering complete plant root system architectures from soil via X-ray μ-computed tomography (2013)
Journal Article
Mairhofer, S., Zappala, S., Tracy, S., Sturrock, C., Bennett, M. J., Mooney, S. J., & Pridmore, T. (2013). Recovering complete plant root system architectures from soil via X-ray μ-computed tomography. Plant Methods, 9, Article 8. https://doi.org/10.1186/1746-4811-9-8

Background: X-ray micro-Computed Tomography (μCT) offers the ability to visualise the three-dimensional
structure of plant roots growing in their natural environment – soil. Recovery of root architecture descriptions from X-ray CT data is, however,... Read More about Recovering complete plant root system architectures from soil via X-ray μ-computed tomography.

Euler principal component analysis (2013)
Journal Article
Liwicki, S., Tzimiropoulos, G., Zafeiriou, S., & Pantic, M. (2013). Euler principal component analysis. International Journal of Computer Vision, 101(3), https://doi.org/10.1007/s11263-012-0558-z

Principal Component Analysis (PCA) is perhaps the most prominent learning tool for dimensionality reduction in pattern recognition and computer vision. However, the ℓ 2-norm employed by standard PCA is not robust to outliers. In this paper, we propos... Read More about Euler principal component analysis.

Theoretical formulation and analysis of the deterministic dendritic cell algorithm (2013)
Journal Article
Gu, F., Greensmith, J., & Aickelin, U. (2013). Theoretical formulation and analysis of the deterministic dendritic cell algorithm. BioSystems, 111(2), 127-135. https://doi.org/10.1016/j.biosystems.2013.01.001

As one of the emerging algorithms in the field of artificial immune systems (AIS), the dendritic cell algorithm (DCA) has been successfully applied to a number of challenging real-world problems. However, one criticism is the lack of a formal definit... Read More about Theoretical formulation and analysis of the deterministic dendritic cell algorithm.

Individual differences in behavioural inhibition explain free riding in public good games when punishment is expected but not implemented (2013)
Journal Article
Skatova, A., & Ferguson, E. (2013). Individual differences in behavioural inhibition explain free riding in public good games when punishment is expected but not implemented. Behavioral and Brain Functions, 9(3), https://doi.org/10.1186/1744-9081-9-3

Background: The literature on social dilemmas and punishment focuses on the behaviour of the punisher. However, to fully explain the effect of punishment on cooperation, it is important to understand the psychological mechanisms influencing the behav... Read More about Individual differences in behavioural inhibition explain free riding in public good games when punishment is expected but not implemented.

Optimization problems for fast AAM fitting in-the-wild (2013)
Presentation / Conference Contribution
Tzimiropoulos, G., & Pantic, M. Optimization problems for fast AAM fitting in-the-wild. Presented at 2013 IEEE International Conference on Computer Vision (ICCV)

We describe a very simple framework for deriving the most-well known optimization problems in Active Appearance Models (AAMs), and most importantly for providing efficient solutions. Our formulation results in two optimization problems for fast and e... Read More about Optimization problems for fast AAM fitting in-the-wild.

Overview of telematics-based prognostics and health management systems for commercial vehicles (2013)
Journal Article
Mesgarpour, M., Landa-Silva, D., & Dickinson, I. (2013). Overview of telematics-based prognostics and health management systems for commercial vehicles. Communications in Computer and Information Science, 395, https://doi.org/10.1007/978-3-642-41647-7_16

Prognostics and Health Management/Monitoring (PHM) are methods to assess the health condition and reliability of systems for the purpose of maximising operational reliability and safety. Recently, PHM systems are emerging in the automotive industry.... Read More about Overview of telematics-based prognostics and health management systems for commercial vehicles.

A time predefined variable depth search for nurse rostering (2013)
Journal Article
Burke, E., Curtois, T., Qu, R., & Vanden Berghe, G. (2013). A time predefined variable depth search for nurse rostering. INFORMS Journal on Computing, 25(3), https://doi.org/10.1287/ijoc.1120.0510

This paper presents a variable depth search for the nurse rostering problem. The algorithm works by chaining together single neighbourhood swaps into more effective compound moves. It achieves this by using heuristics to decide whether to continue ex... Read More about A time predefined variable depth search for nurse rostering.

Domain transformation approach to deterministic optimization of examination timetables (2013)
Journal Article
Abdul Rahim, S., Bargiela, A., & Qu, R. (2013). Domain transformation approach to deterministic optimization of examination timetables. Artificial Intelligence Research, 2(1), https://doi.org/10.5430/air.v2n1p122

In this paper we introduce a new optimization method for the examinations scheduling problem. Rather than attempting direct optimization of assignments of exams to specific time-slots, we perform permutations of slots and reassignments of exams upon... Read More about Domain transformation approach to deterministic optimization of examination timetables.

Tension space analysis: Exploring community requirements for networked urban screens (2013)
Presentation / Conference Contribution
North, S., Schnädelbach, H., Fatah gen Schieck, A., Motta, W., Ye, L., Behrens, M., & Kostopoulou, E. (2013, September). Tension space analysis: Exploring community requirements for networked urban screens. Presented at 14th IFIP TC 13 International Conference, Cape Town, South Africa

This paper draws on the design process, implementation and early evaluation results of an urban screens network to highlight the tensions that emerge at the boundary between the technical and social aspects of design. While public interactive screens... Read More about Tension space analysis: Exploring community requirements for networked urban screens.