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    • 39-Issue 1
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    Synthesizing Character Animation with Smoothly Decomposed Motion Layers

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    Date
    2020
    Author
    Eom, Haegwang
    Choi, Byungkuk
    Cho, Kyungmin
    Jung, Sunjin ORCID
    Hong, Seokpyo
    Noh, Junyong ORCID
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    Abstract
    The processing of captured motion is an essential task for undertaking the synthesis of high‐quality character animation. The motion decomposition techniques investigated in prior work extract meaningful motion primitives that help to facilitate this process. Carefully selected motion primitives can play a major role in various motion‐synthesis tasks, such as interpolation, blending, warping, editing or the generation of new motions. Unfortunately, for a complex character motion, finding generic motion primitives by decomposition is an intractable problem due to the compound nature of the behaviours of such characters. Additionally, decomposed motion primitives tend to be too limited for the chosen model to cover a broad range of motion‐synthesis tasks. To address these challenges, we propose a generative motion decomposition framework in which the decomposed motion primitives are applicable to a wide range of motion‐synthesis tasks. Technically, the input motion is smoothly decomposed into three motion layers. These are base‐level motion, a layer with controllable motion displacements and a layer with high‐frequency residuals. The final motion can easily be synthesized simply by changing a single user parameter that is linked to the layer of controllable motion displacements or by imposing suitable temporal correspondences to the decomposition framework. Our experiments show that this decomposition provides a great deal of flexibility in several motion synthesis scenarios: denoising, style modulation, upsampling and time warping.
    BibTeX
    @article {10.1111:cgf.13893,
    journal = {Computer Graphics Forum},
    title = {{Synthesizing Character Animation with Smoothly Decomposed Motion Layers}},
    author = {Eom, Haegwang and Choi, Byungkuk and Cho, Kyungmin and Jung, Sunjin and Hong, Seokpyo and Noh, Junyong},
    year = {2020},
    publisher = {© 2020 Eurographics ‐ The European Association for Computer Graphics and John Wiley & Sons Ltd},
    ISSN = {1467-8659},
    DOI = {10.1111/cgf.13893}
    }
    URI
    https://doi.org/10.1111/cgf.13893
    https://diglib.eg.org:443/handle/10.1111/cgf13893
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    Eurographics Association copyright © 2013 - 2023 
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    Theme by @mire NV
    System hosted at  Graz University of Technology.
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