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The digital resurrection of Margaret Thatcher: Creative, technological and legal dilemmas in the use of deepfakes in screen drama (2021)
Journal Article
Lees, D., Bashford-Rogers, T., & Keppel-Palmer, M. (in press). The digital resurrection of Margaret Thatcher: Creative, technological and legal dilemmas in the use of deepfakes in screen drama. Convergence, 27(3), https://doi.org/10.1177/13548565211030452

This article develops from the findings of an interdisciplinary research project that has linked film practice research with computer science and law in an exercise that seeks to digitally resurrect Margaret Thatcher to play herself in a contemporary... Read More about The digital resurrection of Margaret Thatcher: Creative, technological and legal dilemmas in the use of deepfakes in screen drama.

Deep HDR hallucination for inverse tone mapping (2021)
Journal Article
Marnerides, D., Bashford-Rogers, T., & Debattista, K. (2021). Deep HDR hallucination for inverse tone mapping. Sensors, 21(12), https://doi.org/10.3390/s21124032

Inverse Tone Mapping (ITM) methods attempt to reconstruct High Dynamic Range (HDR) information from Low Dynamic Range (LDR) image content. The dynamic range of well-exposed areas must be expanded and any missing information due to over/under-exposure... Read More about Deep HDR hallucination for inverse tone mapping.

Deception in network defences using unpredictability (2021)
Journal Article
Happa, J., Bashford-Rogers, T., Janse Van Rensburg, A., Goldsmith, M., & Creese, S. (in press). Deception in network defences using unpredictability. Digital Threats: Research and Practice,

In this paper, we propose a novel method that aims to improve upon existing moving-target defences by making them unpredictably reactive using probabilistic decision-making. We postulate that unpredictability can improve network defences in two key c... Read More about Deception in network defences using unpredictability.

Assessing a decision support tool for SOC analysts (2020)
Journal Article
Happa, J., Helmhout, M., Philips, R., Thomas Bashford-Rogers, N. L., Goldsmith, M., Creese, S., …Goldsmith, M. (in press). Assessing a decision support tool for SOC analysts. Digital Threats: Research and Practice, 9(4),

It is difficult to discern real-world consequences of attacks on an enterprise when investigating network-centric data alone. In recent years, many tools have been developed to help understand attacks using visualization, but few aim to predict real-... Read More about Assessing a decision support tool for SOC analysts.

Per-pixel classification of clouds from whole sky HDR images (2020)
Journal Article
Satilmis, P., Bashford-Rogers, T., Chalmers, A., & Debattista, K. (2020). Per-pixel classification of clouds from whole sky HDR images. Signal Processing: Image Communication, 88, https://doi.org/10.1016/j.image.2020.115950

© 2020 Elsevier B.V. Accurately identifying cloud types in images has multiple uses from meteorological science to computer graphics, especially as clouds are a major factor influencing atmospheric radiative transport. Understanding which cloud types... Read More about Per-pixel classification of clouds from whole sky HDR images.

A quantum algorithm for ray casting using an orthographic camera (2020)
Conference Proceeding
Alves, C., Santos, L. P., & Bashford-Rogers, T. (2020). A quantum algorithm for ray casting using an orthographic camera. https://doi.org/10.1109/ICGI47575.2019.8955061

Quantum computing has the potential to provide solutions to many problems which are challenging or out of reach of classical computers. There are several problems in rendering which are amenable to being solved in quantum computers, but these have ye... Read More about A quantum algorithm for ray casting using an orthographic camera.

Anomaly detection using pattern-of-life visual metaphors (2019)
Journal Article
Happa, J., Bashford-Rogers, T., Agrafiotis, I., Goldsmith, M., & Creese, S. (2019). Anomaly detection using pattern-of-life visual metaphors. IEEE Access, 7, 154018-154034. https://doi.org/10.1109/ACCESS.2019.2948490

Complex dependencies exist across the technology estate, users and purposes of machines. This can make it difficult to efficiently detect attacks. Visualization to date is mainly used to communicate patterns of raw logs, or to visualize the output of... Read More about Anomaly detection using pattern-of-life visual metaphors.

Learning preferential perceptual exposure for HDR displays (2019)
Journal Article
Bashford-Rogers, T., Melo, M., Debattista, K., Marnerides, D., Bessa, M., & Chalmers, A. (2019). Learning preferential perceptual exposure for HDR displays. IEEE Access, 7, 36800-36809. https://doi.org/10.1109/ACCESS.2019.2898910

High Dynamic Range (HDR) displays are capable of displaying a wider dynamic range of values than conventional displays. As HDR content becomes more ubiquitous, the use of these displays is likely to accelerate. As HDR displays can present a wider ran... Read More about Learning preferential perceptual exposure for HDR displays.

Audio-visual-olfactory resource allocation for tri-modal virtual environments (2019)
Journal Article
Doukakis, E., Debattista, K., Bashford-Rogers, T., Dhokia, A., Asadipour, A., Chalmers, A., & Harvey, C. (2019). Audio-visual-olfactory resource allocation for tri-modal virtual environments. IEEE Transactions on Visualization and Computer Graphics, 25(5), 1865-1875. https://doi.org/10.1109/TVCG.2019.2898823

© 2019 IEEE. Virtual Environments (VEs) provide the opportunity to simulate a wide range of applications, from training to entertainment, in a safe and controlled manner. For applications which require realistic representations of real world environm... Read More about Audio-visual-olfactory resource allocation for tri-modal virtual environments.

Uniform Color Space-Based High Dynamic Range Video Compression (2018)
Journal Article
Mukherjee, R., Debattista, K., Bashford-Rogers, T., Bessa, M., & Chalmers, A. (2019). Uniform Color Space-Based High Dynamic Range Video Compression. IEEE Transactions on Circuits and Systems for Video Technology, 29(7), 2055-2066. https://doi.org/10.1109/TCSVT.2018.2861560

© 1991-2012 IEEE. Recently, there has been a significant progress in the research and development of the high dynamic range (HDR) video technology and the state-of-the-art video pipelines are able to offer a higher bit depth support to capture, store... Read More about Uniform Color Space-Based High Dynamic Range Video Compression.

ExpandNet: A deep convolutional neural network for high dynamic range expansion from low dynamic range content (2018)
Journal Article
Marnerides, D., Bashford-Rogers, T., Hatchett, J., & Debattista, K. (2018). ExpandNet: A deep convolutional neural network for high dynamic range expansion from low dynamic range content. Computer Graphics Forum, 37(2), 37-49. https://doi.org/10.1111/cgf.13340

© 2018 The Author(s) and 2018 The Eurographics Association and John Wiley & Sons Ltd. High dynamic range (HDR) imaging provides the capability of handling real world lighting as opposed to the traditional low dynamic range (LDR) which struggles to... Read More about ExpandNet: A deep convolutional neural network for high dynamic range expansion from low dynamic range content.

Audiovisual resource allocation for bimodal virtual environments (2018)
Journal Article
Chalmers, A., Harvey, C., Debattista, K., Doukakis, E., Doukakis, E., Debattista, K., …Chalmers, A. (2018). Audiovisual resource allocation for bimodal virtual environments. Computer Graphics Forum, 37(1), 172-183. https://doi.org/10.1111/cgf.13258

© 2017 The Authors and 2017 The Eurographics Association and John Wiley & Sons Ltd. Fidelity is of key importance if virtual environments are to be used as authentic representations of real environments. However, simulating the multitude of senses... Read More about Audiovisual resource allocation for bimodal virtual environments.

Subjective evaluation of high-fidelity virtual environments for driving simulations (2017)
Journal Article
Debattista, K., Bashford-Rogers, T., Harvey, C., Waterfield, B., & Chalmers, A. (2018). Subjective evaluation of high-fidelity virtual environments for driving simulations. IEEE Transactions on Human-Machine Systems, 48(1), 30-40. https://doi.org/10.1109/THMS.2017.2762632

© 2013 IEEE. Virtual environments (VEs) grant the ability to experience real-world scenarios, such as driving, in a virtual, safe, and reproducible context. However, in order to achieve their full potential, the fidelity of the VE must provide confid... Read More about Subjective evaluation of high-fidelity virtual environments for driving simulations.

Frame rate vs resolution: A subjective evaluation of spatiotemporal perceived quality under varying computational budgets (2017)
Journal Article
Debattista, K., Bugeja, K., Spina, S., Bashford-Rogers, T., & Hulusic, V. (2018). Frame rate vs resolution: A subjective evaluation of spatiotemporal perceived quality under varying computational budgets. Computer Graphics Forum, 37(1), 363-374. https://doi.org/10.1111/cgf.13302

© 2017 The Authors and 2017 The Eurographics Association and John Wiley & Sons Ltd. Maximizing performance for rendered content requires making compromises on quality parameters depending on the computational resources available. Yet, it is current... Read More about Frame rate vs resolution: A subjective evaluation of spatiotemporal perceived quality under varying computational budgets.

Olfaction and selective rendering (2017)
Journal Article
Harvey, C., Bashford-Rogers, T., Debattista, K., Doukakis, E., & Chalmers, A. (2018). Olfaction and selective rendering. Computer Graphics Forum, 37(1), 350-362. https://doi.org/10.1111/cgf.13295

© 2017 The Authors & 2017 The Eurographics Association and John Wiley & Sons Ltd. Published by John Wiley & Sons Ltd. Accurate simulation of all the senses in virtual environments is a computationally expensive task. Visual saliency models have... Read More about Olfaction and selective rendering.

Mixing tone mapping operators on the GPU by differential zone mapping based on psychophysical experiments (2016)
Journal Article
Banterle, F., Artusi, A., Sikudova, E., Ledda, P., Bashford-Rogers, T., Chalmers, A., & Bloj, M. (2016). Mixing tone mapping operators on the GPU by differential zone mapping based on psychophysical experiments. Signal Processing: Image Communication, 48, 50-62. https://doi.org/10.1016/j.image.2016.09.004

© 2016 In this paper, we present a new technique for displaying High Dynamic Range (HDR) images on Low Dynamic Range (LDR) displays in an efficient way on the GPU. The described process has three stages. First, the input image is segmented into lumin... Read More about Mixing tone mapping operators on the GPU by differential zone mapping based on psychophysical experiments.