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GR-09 - GRAphics and INtelligent Systems - GRAINS

Theses at Politecnico

Animating virtual characters into immersive environments

Reference persons FABRIZIO LAMBERTI

External reference persons Alberto Cannavò

Research Groups GR-09 - GRAphics and INtelligent Systems - GRAINS

Thesis type RESEARCH THESIS

Description Generating computer animations, particularly of virtual characters, is a very labor-intensive task, which requires animators to operate with sophisticated interfaces. Hence, researchers continuously experiment with alternative interaction paradigms that could possibly ease the above task. Among others, the use of Virtual represents a valid alternative to traditional interfaces (based on mouse and keyboards) since it can make interactions more expressive and intuitive. However, although the literature proposes several solutions leveraging VR to solve different computer graphics challenges, generally these solutions are not fully integrated into the computer animation pipeline or were not designed to support collaborative working. Moreover, most of the existing solutions are still based on the common hand controllers, even though the literature has already shown the benefits provided by alternatives such as sketch-based interfaces [1].

The objective of this thesis proposal (more than one student will be accepted) is to design and develop an immersive and collaborative animation system that allows animators to produce and edit 3D character animations considering alternative interfaces. The system could be also featured with intelligent mechanisms able to support the animator in the creation of the virtual character animations, e.g., to automatically generate the next/previous frame given a current character pose. Related works have been proposed in the literature. For example, in [2] a system was proposed by the Disney research lab to support collaborative animations through a mixed reality system. Additional examples for authoring contents, 3D modeling, or directing actors in virtual scenes have been proposed in [3-5], however, according to a recent survey [6], it was not possible to identify works that make use of immersive and collaborative environments to produce computer animations. This research gap is probably due to the number of challenges that researchers have to face when approaching the design of collaborative AR/VR systems [7].

Related works:

[1] Cannavò, A., Zhang, C., Wang, W., Lamberti, F. (2020, October). Posing 3D Characters in Virtual Reality Through In-the-Air Sketches. In International Conference on Computer Animation and Social Agents (pp. 51-61). Springer, Cham.

[2] Pan, Ye, and Kenny Mitchell (Disney Research). "PoseMMR: a collaborative mixed reality authoring tool for character animation." 2020 IEEE Conference on Virtual Reality and 3D User Interfaces Abstracts and Workshops (VRW). IEEE, 2020

[3] Nebeling, Michael, et al. "Xrdirector: A role-based collaborative immersive authoring system." Proceedings of the 2020 CHI Conference on Human Factors in Computing Systems. 2020.

[4] Larpkiattaworn, Noppasorn, et al. "Multiuser Virtual Reality for Designing and Editing 3D Models." International Conference on Human-Computer Interaction. Springer, Cham, 2020.

[5] Wang, Cheng Yao, et al. "VideoPoseVR: authoring virtual reality character animations with online videos." Proceedings of the ACM on Human-Computer Interaction 6.ISS (2022): 448-467.

[6] Schäfer, Alexander, Gerd Reis, and Didier Stricker. "A Survey on Synchronous Augmented, Virtual and Mixed Reality Remote Collaboration Systems." ACM Computing Surveys (CSUR) (2021).

[7] Krauß, Veronika, et al. "Current practices, challenges, and design implications for collaborative AR/VR application development." Proceedings of the 2021 CHI Conference on Human Factors in Computing Systems. 2021.

See also  http://grains.polito.it/work.php


Deadline 31/07/2024      PROPONI LA TUA CANDIDATURA




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