+44 7594 818718
Senior Research Fellow
Koniaris, B., Kosek, M., Sinclair, D., & Mitchell, K. (2018). GPU-accelerated depth codec for real-time, high-quality light field reconstruction. Proceedings of the ACM on Computer Graphics and Interactive Techniques, 1(1), 1-15. doi:10.1145/3203193
Pre-calculated depth information is essential for efficient light field video rendering, due to the prohibitive cost of depth estimation from color when real-time performance ...
Calian, D. A., Lalonde, J., Gotardo, P., Simon, T., Matthews, I., & Mitchell, K. (2018). From Faces to Outdoor Light Probes. Computer Graphics Forum, 37(2), 51-61. doi:10.1111/cgf.13341
Image‐based lighting has allowed the creation of photo‐realistic computer‐generated content. However, it requires the accurate capture of the illumination conditions, a task n...
Pan, Y., Sinclair, D., & Mitchell, K. (2018). Empowerment and embodiment for collaborative mixed reality systems: Empowerment and Embodiment. Computer Animation and Virtual Worlds, 29(3-4), e1838. doi:10.1002/cav.1838
We present several mixed‐reality‐based remote collaboration settings by using consumer head‐mounted displays. We investigated how two people are able to work together in these...
Scottish Funding Council
The solution for the synchronisation issue was to include a simultaneous animation of the journey and the weather data. This provided an intuitive visualisation of two independent sets of data.
The DISTRO network brings together leading laboratories in Visual Computing and 3D Computer Graphics research across Europe with the aim of training a new generation of scientists, technologists, and ...
Royal Society of Edinburgh
Academic research into the use of video content for public art projects involving archival research, content preparation & knowledge transfer in preparation for a groundbreaking collaboration between ...
2484,0131 651 4884
Koniaris, C., Kosek, M., Sinclair, D., & Mitchell, K. (2018). Compressed Animated Light Fields with Real-time View-dependent Reconstruction. IEEE Transactions on Visualization and Computer Graphics, 1-1. doi:10.1109/tvcg.2018.2818156
We propose an end-to-end solution for presenting movie quality animated graphics to the user while still allowing the sense of presence afforded by free viewpoint head motion....
Moon, B., Iglesias-Guitian, J. A., McDonagh, S., & Mitchell, K. (2017). Noise Reduction on G-Buffers for Monte Carlo Filtering: Noise Reduction on G-Buffers for Monte Carlo Filtering. Computer Graphics Forum, 36(8), (600-612). doi:10.1111/cgf.13155. ISSN 0167-7055
We propose a novel pre-filtering method that reduces the noise introduced by depth-of-field and motion blur effects in geometric
buffers (G-buffers) such as texture, normal an...
Klaudiny, M., McDonagh, S., Bradley, D., Beeler, T., & Mitchell, K. (2017). Real-Time Multi-View Facial Capture with Synthetic Training. Computer Graphics Forum, 36(2), (325-336). doi:10.1111/cgf.13129. ISSN 0167-7055
We present a real-time multi-view facial capture system facilitated by synthetic training imagery. Our method is able to achieve high-quality markerless facial performance cap...
Iglesias-Guitian, J. A., Moon, B., Koniaris, C., Smolikowski, E., & Mitchell, K. (2016). Pixel history linear models for real-time temporal filtering. Computer Graphics Forum, 35(7), (363-372). ISSN 0167-7055
We propose a new real-time temporal filtering and antialiasing (AA) method for rasterization graphics pipelines. Our method
is based on Pixel History Linear Models (PHLM), a n...
Bitterli, B., Rousselle, F., Moon, B., Iglesias-Guitián, J. A., Adler, D., Mitchell, K., …Novák, J. (2016). Nonlinearly Weighted First-order Regression for Denoising Monte Carlo Renderings. Computer Graphics Forum, 35(4), (107-117). ISSN 0167-7055
We address the problem of denoising Monte Carlo renderings by studying existing approaches and proposing a new algorithm that yields state-of-the-art performance on a wide ran...
Moon, B., McDonagh, S., Mitchell, K., & Gross, M. (2016). Adaptive polynomial rendering. ACM transactions on graphics, 35(4), (1-10). doi:10.1145/2897824.2925936. ISSN 0730-0301
In this paper, we propose a new adaptive rendering method to improve the performance of Monte Carlo ray tracing, by reducing noise contained in rendered images while preservin...
Moon, B., Iglesias-Guitian, J. A., Yoon, S., & Mitchell, K. (2015). Adaptive rendering with linear predictions. ACM transactions on graphics, 34(4), (121:1-121:11). doi:10.1145/2766992. ISSN 0730-0301
We propose a new adaptive rendering algorithm that enhances the
performance of Monte Carlo ray tracing by reducing the noise, i.e.,
variance, while preserving a variety of hig...
Bradbury, G. A., Subr, K., Koniaris, C., Mitchell, K., & Weyrich, T. (2014). Guided ecological simulation for artistic editing of plant distributions in natural scenes. The Journal of Computer Graphics Techniques, 4(4), ISSN 2331-7418
In this paper we present a novel approach to author vegetation cover of large natural scenes. Unlike stochastic scatter-instancing tools for plant placement (such as multi-cla...
Subr, K., Nowrouzezahrai, D., Jarosz, W., Kautz, J., & Mitchell, K. (2014). Error analysis of estimators that use combinations of stochastic sampling strategies for direct illumination. Computer Graphics Forum, 33(4), (93-102). ISSN 0167-7055
We present a theoretical analysis of error of combinations of Monte Carlo estimators used in image synthesis. Importance sampling and multiple importance sampling are popular ...
Li, Y., Ma, L., Fan, H., & Mitchell, K. (2018). Feature-preserving detailed 3D face reconstruction from a single image. In CVMP '18 Proceedings of the 15th ACM SIGGRAPH European Conference on Visual Media Productiondoi:10.1145/3278471.3278473
Dense 3D face reconstruction plays a fundamental role in visual media production involving digital actors. We improve upon high fidelity reconstruction from a single 2D photo ...
Casas, L., Ciccone, L., Çimen, G., Wiedemann, P., Fauconneau, M., Sumner, R. W., & Mitchell, K. (in press). Multi-Reality Games: an Experience Across the Entire Reality-Virtuality Continuum. In Proceedings of the VRCAI2018doi:10.1145/3284398.3284411
Interactive play can take very different forms, from playing with physical board games to fully digital video games. In recent years, new video game paradigms were introduced ...
Casas, L., Fauconneau, M., Kosek, M., Mclister, K., & Mitchell, K. (2017). Image Based Proximate Shadow Retargeting. In Proceedings of Computer Graphics & Visual Computing (CGVC) 2018doi:10.2312/cgvc.20181206
We introduce Shadow Retargeting which maps real shadow appearance to virtual shadows given a corresponding deformation of scene geometry, such that appearance is seamlessly ma...
This research will investigate the nature of interactions between people and experience-oriented technologies such as new-media artw...
Augmented Reality (AR) aims to extend the physical world through virtual content. To perform such addition in an unnoticeable way, a vari...
CoRe44, room C44, Merchiston Campus
25 September 2018