Edinburgh Napier University

Image Based Proximate Shadow Retargeting

Conference Proceeding

Casas, L., Fauconneau, M., Kosek, M., Mclister, K., & Mitchell, K. (2018)

Image Based Proximate Shadow Retargeting. In Proceedings of Computer Graphics & Visual Computing (CGVC) 2018https://doi.org/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...

IRIDiuM+: deep media storytelling with non-linear light field video

Conference Proceeding

Kosek, M., Koniaris, B., Sinclair, D., Markova, D., Rothnie, F., Smoot, L., & Mitchell, K. (2017)

IRIDiuM+: deep media storytelling with non-linear light field video. In SIGGRAPH '17 ACM SIGGRAPH 2017 VR Village. https://doi.org/10.1145/3089269.3089277

We present immersive storytelling in VR enhanced with non-linear sequenced sound, touch and light. Our Deep Media (Rose 2012) aim is to allow for guests to physically enter re...

GPU-accelerated depth codec for real-time, high-quality light field reconstruction

Journal Article

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. https://doi.org/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 ...

Multi-reality games: an experience across the entire reality-virtuality continuum

Conference Proceeding

Casas, L., Ciccone, L., Çimen, G., Wiedemann, P., Fauconneau, M., Sumner, R. W., & Mitchell, K. (2018)

Multi-reality games: an experience across the entire reality-virtuality continuum. In Proceedings of the VRCAI2018https://doi.org/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 ...

Compressed Animated Light Fields with Real-time View-dependent Reconstruction

Journal Article

Koniaris, C., Kosek, M., Sinclair, D., & Mitchell, K. (2019)

Compressed Animated Light Fields with Real-time View-dependent Reconstruction. IEEE Transactions on Visualization and Computer Graphics, 25(4), 1666-1680. https://doi.org/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....

Poxels: polygonal voxel environment rendering

Conference Proceeding

Miller, M., Cumming, A., Chalmers, K., Kenwright, B., & Mitchell, K. (2013)

Poxels: polygonal voxel environment rendering. In Proceedings of the 20th ACM Symposium on Virtual Reality Software and Technology - VRST '14, 235-236. doi:10.1145/2671015.2671125

We present efficient rendering of opaque, sparse, voxel environments with data amplified in local graphics memory with stream-out from a geomery shader to a cached vertex buff...

Empowerment and embodiment for collaborative mixed reality systems: Empowerment and Embodiment

Journal Article

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), https://doi.org/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...

From Faces to Outdoor Light Probes

Journal Article

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...

Interactive Ray-Traced Area Lighting with Adaptive Polynomial Filtering

Conference Proceeding

Iglesias-Guitian, J. A., Moon, B., & Mitchell, K. (2016)

Interactive Ray-Traced Area Lighting with Adaptive Polynomial Filtering. In Proceedings of the 13th European Conference on Visual Media Production (CVMP 2016)

Area lighting computation is a key component for synthesizing photo-realistic rendered images, and it simulates plausible soft shadows by considering geometric relationships b...

Deep Precomputed Radiance Transfer for Deformable Objects

Journal Article

Li, Y., Wiedemann, P., & Mitchell, K. (2019)

Deep Precomputed Radiance Transfer for Deformable Objects. Proceedings of the ACM on Computer Graphics and Interactive Techniques, 2(1), 1-16. https://doi.org/10.1145/3320284

We propose, DeepPRT, a deep convolutional neural network to compactly encapsulate the radiance transfer of a freely deformable object for rasterization in real-time. With pre...