Enhanced Shadow Retargeting with Light-Source Estimation Using Flat Fresnel Lenses
Journal Article
Casas, L., Fauconneau, M., Kosek, M., Mclister, K., & Mitchell, K. (2019)
Enhanced Shadow Retargeting with Light-Source Estimation Using Flat Fresnel Lenses. Computers, 8(2), https://doi.org/10.3390/computers8020029
Shadow-retargeting maps depict the appearance of real shadows to virtual shadows given corresponding deformation of scene geometry, such that appearance is seamlessly maintain...
Light factorization for mixed-frequency shadows in augmented reality
Conference Proceeding
Nowrouzezahrai, D., Geiger, S., Mitchell, K., Sumner, R., Jarosz, W., & Gross, M. (2011)
Light factorization for mixed-frequency shadows in augmented reality. In Mixed and Augmented Reality (ISMAR), 2011 10th IEEE International Symposium on, (173-179). https://doi.org/10.1109/ISMAR.2011.6092384
Integrating animated virtual objects with their surroundings for high-quality augmented reality requires both geometric and radio-metric consistency. We focus on the latter of...
Guided ecological simulation for artistic editing of plant distributions in natural scenes
Journal Article
Bradbury, G. A., Subr, K., Koniaris, C., Mitchell, K., & Weyrich, T. (2015)
Guided ecological simulation for artistic editing of plant distributions in natural scenes. The Journal of Computer Graphics Techniques, 4(4),
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...
Iterative image warping
Journal Article
Bowles, H., Mitchell, K., Sumner, R., Moore, J., & Gross, M. (2012)
Iterative image warping. Computer Graphics Forum, 31, 237-246. https://doi.org/10.1111/j.1467-8659.2012.03002.x
Animated image sequences often exhibit a large amount of inter-frame coherence which standard rendering algorithms and pipelines are ill-equipped to exploit, limiting their ef...
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....
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...
Split Second Motion Blur
Conference Proceeding
Ritchie, M., Modern, G., & Mitchell, K. (2010)
Split Second Motion Blur. In ACM SIGGRAPH 2010 Talks, (17:1-17:1). https://doi.org/10.1145/1837026.1837048
Motion blur is key to delivering a sense of speed in interactive video game rendering. Further, simulating accurate camera optical exposure properties and reduction of tempora...
OSCAM-optimized stereoscopic camera control for interactive 3D
Journal Article
Oskam, T., Hornung, A., Bowles, H., Mitchell, K., & Gross, M. (2011)
OSCAM-optimized stereoscopic camera control for interactive 3D. ACM transactions on graphics, 30, 189. https://doi.org/10.1145/2024156.2024223
This paper presents a controller for camera convergence and interaxial separation that specifically addresses challenges in interactive stereoscopic applications like games. I...
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...