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Geometry-Aware Retargeting for Two Skinned Characters Interaction
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DOI：10.1145/3687962.png)
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Interactive motion between multiple characters is widely utilized in gamesand movies. However, the method for generating interactive motions consid-ering the character's diverse mesh shape has yet to be studied. We propose aSpatio Cooperative Transformer (SCT) to retarget the interacting motions oftwo characters having arbitrary mesh connectivity. SCT predicts the residualof root position and joint rotations considering the shape difference betweenthe source and target of interacting characters. In addition, we introduce ananchor loss function for SCT to maintain the geometric distance betweenthe interacting characters when they are retargeted. We also propose amotion augmentation method with deformation-based adaptation to pre-pare a source-target paired dataset with an identical mesh connectivity for training. In experiments, our method achieved higher accuracy for semantic preservation and produced less artifacts of inter-penetration between the interacting characters for unseen characters and motions than the baselines. Moreover, we conducted a user evaluation using characters with various shapes, spanning low-to-high interaction levels to prove better semanticpreservation of our method compared to previous studies.
Keyword:
Character Animation
Motion Retargeting
Two Character Interaction
期刊
IF:
9.5
论文数:
4.8K
被引数:
3.6W
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