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38 results

Active Learning for Interactive Audio-Animatronic Performance Design

Journal Article
Castellon, J., Bächer, M., McCrory, M., Ayala, A., Stolarz, J., & Mitchell, K. (2020)
Active Learning for Interactive Audio-Animatronic Performance Design. The Journal of Computer Graphics Techniques, 9(3), 1-19
We present a practical neural computational approach for interactive design of Audio-Animatronic® facial performances. An offline quasi-static reference simulation, driven by ...

PoseMMR: A Collaborative Mixed Reality Authoring Tool for Character Animation

Conference Proceeding
Pan, Y., & Mitchell, K. (2020)
PoseMMR: A Collaborative Mixed Reality Authoring Tool for Character Animation. In 2020 IEEE Conference on Virtual Reality and 3D User Interfaces Abstracts and Workshops (VRW). https://doi.org/10.1109/vrw50115.2020.00230
Augmented reality devices enable new approaches for character animation, e.g., given that character posing is three dimensional in nature it follows that interfaces with highe...

Group-Based Expert Walkthroughs: How Immersive Technologies Can Facilitate the Collaborative Authoring of Character Animation

Conference Proceeding
Pan, Y., & Mitchell, K. (2020)
Group-Based Expert Walkthroughs: How Immersive Technologies Can Facilitate the Collaborative Authoring of Character Animation. In 2020 IEEE Conference on Virtual Reality and 3D User Interfaces Abstracts and Workshops (VRW). https://doi.org/10.1109/vrw50115.2020.00041
Immersive technologies have increasingly attracted the attention of the computer animation community in search of more intuitive and effective alternatives to the current soph...

Photo-Realistic Facial Details Synthesis from Single Image

Conference Proceeding
Chen, A., Chen, Z., Zhang, G., Zhang, Z., Mitchell, K., & Yu, J. (2019)
Photo-Realistic Facial Details Synthesis from Single Image. In IEEE International Conference on Computer Vision (ICCV), (9429-9439
We present a single-image 3D face synthesis technique that can handle challenging facial expressions while recovering fine geometric details. Our technique employs expression ...

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...

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...

Feature-preserving detailed 3D face reconstruction from a single image

Conference Proceeding
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 ...

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 ...

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...

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 ...