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Using program data-state scarcity to guide automatic test data generation (2009)
Journal Article
Alshraideh, M., Bottaci, L., & Mahafzah, B. A. (2010). Using program data-state scarcity to guide automatic test data generation. Software quality journal, 18(1), 109-144. https://doi.org/10.1007/s11219-009-9083-x

Finding test data to cover structural test coverage criteria such as branch coverage is largely a manual and hence expensive activity. A potential low cost alternative is to generate the required test data automatically. Search-based test data genera... Read More about Using program data-state scarcity to guide automatic test data generation.

Transfer between pose and illumination training in face recognition. (2009)
Journal Article
Liu, C. H., Bhuiyan, M. A.-A., Ward, J., & Sui, J. (2009). Transfer between pose and illumination training in face recognition. Journal of Experimental Psychology: Human Perception and Performance, 35(4), 939-947. https://doi.org/10.1037/a0013710

The relationship between pose and illumination learning in face recognition was examined in a yes-no recognition paradigm. The authors assessed whether pose training can transfer to a new illumination or vice versa. Results show that an extensive lev... Read More about Transfer between pose and illumination training in face recognition..

Exploiting graphical processing units for data-parallel scientific applications (2009)
Journal Article
Leist, A., Playne, D. P., & Hawick, K. A. (2009). Exploiting graphical processing units for data-parallel scientific applications. Concurrency and Computation: Practice and Experience, 21(18), 2400-2437. https://doi.org/10.1002/cpe.1462

Graphical processing units (GPUs) have recently attracted attention for scientific applications such as particle simulations. This is partially driven by low commodity pricing of GPUs but also by recent toolkit and library developments that make them... Read More about Exploiting graphical processing units for data-parallel scientific applications.

Semi-automatic FMEA supporting complex systems with combinations and sequences of failures (2009)
Journal Article
Walker, M., Papadopoulos, Y., Parker, D., Lönn, H., Törngren, M., Chen, D., Johannson, R., & Sandberg, A. (2009). Semi-automatic FMEA supporting complex systems with combinations and sequences of failures. SAE International Journal of Passenger Cars - Mechanical Systems, 2(1), 791-802. https://doi.org/10.4271/2009-01-0738

Failure Modes and Effects Analysis (FMEA) is a well established safety analysis technique used for the assessment of safety critical engineering systems in the automotive industry. Although FMEA has been shown to be useful, the analysis is typically... Read More about Semi-automatic FMEA supporting complex systems with combinations and sequences of failures.

2D piecewise algebraic splines for implicit modeling (2009)
Journal Article
Li, Q., & Tian, J. (2009). 2D piecewise algebraic splines for implicit modeling. ACM Transactions on Graphics, 28(2), Article ARTN 13. https://doi.org/10.1145/1516522.1516524

2D splines are a powerful tool for shape modeling, either parametrically or implicitly. However, compared with regular grid-based tensor-product splines, most of the high-dimensional spline techniques based on nonregular 2D polygons, such as box spli... Read More about 2D piecewise algebraic splines for implicit modeling.

Robotic sound-source localisation architecture using cross-correlation and recurrent neural networks (2009)
Journal Article
Murray, J. C., Erwin, H. R., & Wermter, S. (2009). Robotic sound-source localisation architecture using cross-correlation and recurrent neural networks. Neural Networks, 22(2), 173-189. https://doi.org/10.1016/j.neunet.2009.01.013

In this paper we present a sound-source model for localising and tracking an acoustic source of interest along the azimuth plane in acoustically cluttered environments, for a mobile service robot. The model we present is a hybrid architecture using c... Read More about Robotic sound-source localisation architecture using cross-correlation and recurrent neural networks.

On the lifetime of wireless sensor networks (2009)
Journal Article
Dietrich, I., & Dressler, F. (2009). On the lifetime of wireless sensor networks. ACM Transactions on Sensor Networks, 5(1), Article ARTN 5. https://doi.org/10.1145/1464420.1464425

Network lifetime has become the key characteristic for evaluating sensor networks in an application-specific way. Especially the availability of nodes, the sensor coverage, and the connectivity have been included in discussions on network lifetime. E... Read More about On the lifetime of wireless sensor networks.

A language for failure patterns and application in safety analysis (2008)
Presentation / Conference Contribution
Wolforth, I., Walker, M., & Papadopoulos, Y. A language for failure patterns and application in safety analysis. Presented at 2008 Third International Conference on Dependability of Computer Systems DepCoS-RELCOMEX

Components and families of components in mechatronic systems often exhibit failure characteristics that are independent of system context and repeatable across applications. In this paper, we show that it is possible to capture and reuse such pattern... Read More about A language for failure patterns and application in safety analysis.

Semi automatic failure analysis based on simulation models (2008)
Presentation / Conference Contribution
Hamann, R., Uhlig, A., Papadopoulos, Y., Rüde, E., Grätz, U., Walker, M., & Lien, R. (2018, June). Semi automatic failure analysis based on simulation models. Presented at Volume 2: Structures, Safety and Reliability

Classical risk assessment and risk management which is gaining importance in many industries is usually based on well defined processes and uses techniques like FTA and FMEA. However, classical risk analysis techniques like FTA and FMEA should ideall... Read More about Semi automatic failure analysis based on simulation models.

Multi-objective optimization of dependability attributes using an asynchronous heterogeneous hierarchical parallel genetic algorithm (2008)
Journal Article
Wenhua, Z., Papadopoulos, Y., & Parker, D. (2008). Multi-objective optimization of dependability attributes using an asynchronous heterogeneous hierarchical parallel genetic algorithm. IFAC Proceedings Volumes/ International Federation of Automatic Control, 41(3), 199-204. https://doi.org/10.3182/20081205-2-cl-4009.00036

The optimal satisfaction of dependability attributes and cost, in the design of engineering systems, is a hard multi-objective optimization problem which requires automated algorithms that can effectively search large design spaces. In this paper, a... Read More about Multi-objective optimization of dependability attributes using an asynchronous heterogeneous hierarchical parallel genetic algorithm.

Robust FDI for FTC coordination in a distributed network system (2008)
Journal Article
Klinkhieo, S., Patton, R. J., & Kambhampati, C. (2008). Robust FDI for FTC coordination in a distributed network system. IFAC Proceedings Volumes/ International Federation of Automatic Control, 41(2), 13551-13556. https://doi.org/10.3182/20080706-5-KR-1001.0468

This paper focuses on the development of a suitable Fault Detection and Isolation (FDI) strategy for application to a system of inter-connected and distributed systems, as a basis for a fault-tolerant Network Control System (NCS) problem. The work fo... Read More about Robust FDI for FTC coordination in a distributed network system.

Spiking neurons: Is coincidence-factor enough for comparing responses with fluctuating membrane voltage? (2008)
Presentation / Conference Contribution
Sarangdhar, M., & Kambhampati, C. Spiking neurons: Is coincidence-factor enough for comparing responses with fluctuating membrane voltage?

Similarity between two spike trains is generally estimated using a ‘coincidence factor’. This factor relies on counting coincidences of firing-times for spikes in a given time window. However, in cases where there are significant fluctuations in memb... Read More about Spiking neurons: Is coincidence-factor enough for comparing responses with fluctuating membrane voltage?.

Virtual reality training for radiotherapy becomes a reality (2008)
Journal Article
Phillips, R., Ward, J. W., Page, L., Grau, C., Bojen, A., Hall, J., Nielsen, K., Nordentoft, V., & Beavis, A. W. (2008). Virtual reality training for radiotherapy becomes a reality. Studies in health technology and informatics, 132, 366-371

A report in 2007 to the UK Government identified a crisis in England for training staff and students for the radiotherapy treatment of cancer. The Hull authors have developed an immersive life size virtual environment of a radiotherapy treatment room... Read More about Virtual reality training for radiotherapy becomes a reality.

Spiking neurons and synaptic stimuli : determining the fidelity of coincidence-factor in neural response comparison (2008)
Journal Article
Kambhampati, C., & Sarangdhar, M. (2008). Spiking neurons and synaptic stimuli : determining the fidelity of coincidence-factor in neural response comparison. Engineering Letters International Association of Engineers, 16(4), 512-517

Similarity between two spike trains is generally estimated using a ‘coincidence factor’. This factor relies on counting coincidences of firing-times for spikes in a given time window. However, in cases where there are significant fluctuations in memb... Read More about Spiking neurons and synaptic stimuli : determining the fidelity of coincidence-factor in neural response comparison.

The cubic Segre variety in PG(5,2) (2008)
Journal Article
Shaw, R., & Gordon, N. A. (2009). The cubic Segre variety in PG(5,2). Designs, codes, and cryptography, 51(2), 141-156. https://doi.org/10.1007/s10623-008-9250-2

The Segre variety S 1,2 in PG(5, 2) is a 21-set of points which is shown to have a cubic equation Q(x) = 0. If T(x, y, z) denotes the alternating trilinear form obtained by completely polarizing the cubic polynomial Q, then the associate U # of an r-... Read More about The cubic Segre variety in PG(5,2).

Risk-sensitive antipredator behavior in the Trinidadian guppy, Poecilia reticulata (2008)
Journal Article
Botham, M. S., Hayward, R. K., Morrell, L. J., Croft, D. P., Ward, J. R., Ramnarine, I., & Krause, J. (2008). Risk-sensitive antipredator behavior in the Trinidadian guppy, Poecilia reticulata. Ecology, 89(11), 3174-3185. https://doi.org/10.1890/07-0490.1

The comparative approach has become a powerful tool for understanding how predation has shaped prey behavior. In this study we recorded the occurrence of common aquatic predator species and their densities in seven natural populations of Trinidadian... Read More about Risk-sensitive antipredator behavior in the Trinidadian guppy, Poecilia reticulata.

A rule-based system for programming self-organized sensor and actor networks (2008)
Journal Article
Dressler, F., Dietrich, I., German, R., & Krüger, B. (2009). A rule-based system for programming self-organized sensor and actor networks. Computer Networks, 53(10), 1737-1750. https://doi.org/10.1016/j.comnet.2008.09.007

We describe a programming scheme for massively distributed systems that are assumed to self-organize according to a given set of simple rules. The focus of this investigation is operation and control in sensor and actor networks (SANETs). The main is... Read More about A rule-based system for programming self-organized sensor and actor networks.

Advanced multi-frame rate rendering techniques (2008)
Presentation / Conference Contribution
Springer, J. P., Lux, C., Reiners, D., & Froehlich, B. Advanced multi-frame rate rendering techniques. Presented at Proceedings - IEEE Virtual Reality

Multi-frame rate rendering is a parallel rendering technique that renders interactive parts of the scene on one graphics card while the rest of the scene is rendered asynchronously on a second graphics card. The resulting color and depth images of bo... Read More about Advanced multi-frame rate rendering techniques.