research-article

Finger walking: motion editing with contact-based hand performance

Authors:

Karan SinghAuthors Info & Claims

SCA '12: Proceedings of the ACM SIGGRAPH/Eurographics Symposium on Computer Animation

Pages 43 - 52

Published: 29 July 2012 Publication History

Abstract

We present a system for generating full-body animations from the performance on a touch-sensitive tabletop of "finger walking", where two fingers are used to pantomime leg movements. A user study was conducted to explore how users can communicate full-body motion using their hands, which concluded that finger walking is a naturally-chosen and comfortable performance method. Based on contact data recorded during this study, the properties of a variety of performed locomotion types were analyzed to determine which motion parameters are most reliable and expressive for the purpose of generating corresponding full-body animations. Based on this analysis, a compact set of motion features was developed for classifying the locomotion type of a finger performance. A prototype interactive animation system was implemented to generate full-body animations of a known locomotion type from finger walking by estimating the motion path of a finger performance, and editing the path of a corresponding animation to match. The classification accuracy and output animation quality of this system was evaluated in a second user study, demonstrating that satisfying full-body animations can be reliably generated from finger performances.

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Cited By

Rhodin HTompkin JKim Kde Aguiar EPfister HSeidel HTheobalt C(2015)Generalizing wave gestures from sparse examples for real-time character controlACM Transactions on Graphics10.1145/2816795.281808234:6(1-12)Online publication date: 2-Nov-2015
https://dl.acm.org/doi/10.1145/2816795.2818082

Index Terms

Finger walking: motion editing with contact-based hand performance
1. Computing methodologies
  1. Computer graphics
    1. Animation

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Information & Contributors

Information

Published In

cover image ACM Conferences

SCA '12: Proceedings of the ACM SIGGRAPH/Eurographics Symposium on Computer Animation

July 2012

325 pages

ISBN:9783905674378

Conference Chairs:
Ronan Boulic
Ecole Polytechnique Fédérale de Lausanne
,
Taku Komura
University of Edinburgh

Sponsors

SIGGRAPH: ACM Special Interest Group on Computer Graphics and Interactive Techniques
EUROGRAPHICS: The European Association for Computer Graphics

Publisher

Eurographics Association

Goslar, Germany

Publication History

Published: 29 July 2012

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SCA '12

Sponsor:

SIGGRAPH
EUROGRAPHICS

SCA '12: The ACM SIGGRAPH / Eurographics Symposium on Computer Animation

July 29 - 31, 2012

Lausanne, Switzerland

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SCA '12 Paper Acceptance Rate 27 of 80 submissions, 34%;

Overall Acceptance Rate 183 of 487 submissions, 38%

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Cited By

Rhodin HTompkin JKim Kde Aguiar EPfister HSeidel HTheobalt C(2015)Generalizing wave gestures from sparse examples for real-time character controlACM Transactions on Graphics10.1145/2816795.281808234:6(1-12)Online publication date: 2-Nov-2015
https://dl.acm.org/doi/10.1145/2816795.2818082

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