SketchiMo: Sketch-based Motion Editing for Articulated Characters

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We present SketchiMo, a novel approach for the expressive editing of articulated character motion. SketchiMo solves for the motion given a set of projective constraints that relate the sketch inputs to the unknown 3 D poses. We introduce the concept of sketch space, a contextual geometric representation of sketch targets -motion properties that are editable via sketch input-that enhances, right on the viewport, different aspects of the motion. The combination of the proposed sketch targets and space allows for seamless editing of a wide range of properties, from simple joint trajectories to local parent-child spatiotemporal relationships and more abstract properties such as coordinated motions. This is made possible by interpreting the user's input through a new sketch-based optimization engine in a uniform way. In addition, our view-dependent sketch space also serves the purpose of disambiguating the user inputs by visualizing their range of effect and transparently defining the necessary constraints to set the temporal boundaries for the optimization.
Publisher
ASSOC COMPUTING MACHINERY
Issue Date
2016-07
Language
English
Article Type
Article; Proceedings Paper
Citation

ACM TRANSACTIONS ON GRAPHICS, v.35, no.4

ISSN
0730-0301
DOI
10.1145/2897824.2925970
URI
http://hdl.handle.net/10203/214501
Appears in Collection
GCT-Journal Papers(저널논문)
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