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39 results

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...

Carpet unrolling for character control on uneven terrain

Conference Proceeding
Miller, M., Holden, D., Al-Ashqar, R., Dubach, C., Mitchell, K., & Komura, T. (2015)
Carpet unrolling for character control on uneven terrain. In MIG '15 Proceedings of the 8th ACM SIGGRAPH Conference on Motion in Gameshttps://doi.org/10.1145/2822013.2822031
We propose a type of relationship descriptor based on carpet unrolling that computes the joint positions of a character based on the sum of relative vectors originating from a...

Augmented creativity: bridging the real and virtual worlds to enhance creative play

Conference Proceeding
Zünd, F., Ryffel, M., Magnenat, S., Marra, A., Nitti, M., Kapadia, M., …Sumner, R. W. (2015)
Augmented creativity: bridging the real and virtual worlds to enhance creative play. In SA '15 SIGGRAPH Asia 2015 Mobile Graphics and Interactive Applicationshttps://doi.org/10.1145/2818427.2818460
Augmented Reality (AR) holds unique and promising potential to bridge between real-world activities and digital experiences, allowing users to engage their imagination and boo...

Adaptive rendering with linear predictions

Journal Article
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. https://doi.org/10.1145/2766992
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...

L3V: A Layered Video Format for 3D Display

Conference Proceeding
Mitchell, K., Sinclair, D., Kosek, M., & Swaford, N. (2014)
L3V: A Layered Video Format for 3D Display
We present a layered video format for 3D interactive display which adapts and exploits well-developed 2D codecs with layer centric packing for real-time user perspective playb...

Error analysis of estimators that use combinations of stochastic sampling strategies for direct illumination

Journal Article
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. https://doi.org/10.1111/cgf.12416
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 ...

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...

Progressive skinning for video game character animations.

Conference Proceeding
Pilgrim, S. J., Aguado, A., Mitchell, K., & Steed, A. (2006)
Progressive skinning for video game character animations. https://doi.org/10.1145/1179849.1179992

Instant messaging: using log files to identify patterns of interaction in group of teenage users.

Conference Proceeding
Davison, B., & Buckner, K. (2005)
Instant messaging: using log files to identify patterns of interaction in group of teenage users. In A. Sloane (Ed.), Home-oriented informatics and telematics : proceedings of the IFIP WG 9.3 HOIT2005 conference. , (277-290). https://doi.org/10.1007/11402985_20
This paper presents preliminary findings on teenagers’ use of instant messaging (IM) as an example of an Internet technology. The results are quantitative, being drawn from th...

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