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研究生： 陳哲仁
Chen, Je-Ren
論文名稱： Rhythm & Motion: Animating Chinese Lion Dance with High-level Controls
節奏與運動：以高階指令控制之中國舞獅動畫
指導教授： 李蔡彥
Li, Tsai-Yen
學位類別： 碩士
Master
系所名稱： 理學院 - 資訊科學系
論文出版年： 2004
畢業學年度： 92
語文別： 英文
論文頁數： 68
中文關鍵詞： 角色動畫 、程序式動畫 、動作風格 、節奏與運動 、高階控制 、舞獅
外文關鍵詞： Character Animation, Procedural Animation, Motion Style, Rhythm & Motion, High-level Control, Chinese Lion Dance
相關次數： 點閱：126  下載：67 
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    • 在這個研究中，我們嘗試將節奏的要素（速度、誇張度與時間調配）參數化，以產生能控制特定風格之人物角色的動畫。角色動作風格化的生成及控制是藉由一個層級式的動畫控制系統RhyCAP (Rhythmic Character Animation Playacting system), 透過一個節奏動作控制（Rhythmic Motion Control, RMC) 的方法來實現。RMC是基於傳統動畫的原則，設計參數化的動作指令，來產生生動並具有說服力的角色動作。此外，RMC也提供了運動行為的模型來控制角色動畫的演出。藉由RhyCAP系統所提供的高階控制介面，即使是沒有經過專業傳統動畫技巧訓練的使用者，也能夠創作出戲劇性的中國舞獅動畫。

    In this research, we attempt to parameterize the rhythmic factors (tempo, exaggeration and timing) into the generation of controllable stylistic character animation. The stylized character motions are generated by a hierarchical animation control system, RhyCAP (Rhythmic Character Animation Playacting system) and realized through an RMC (Rhythmic Motion Control) scheme. The RMC scheme can generate convincible and expressive character motions from versatile action commands with the rhythmic parameters defined according to the principles of traditional animation. Besides, RMC also provide controllable behavior models to enact the characters. By using the high-level control interface of the RhyCAP system, the user is able to create a dramatic Chinese Lion Dance animation intuitively even though he may not be professionally trained with traditional animation skills.

    1 Introduction 1
    1.1 Motivation 2
    1.2 Objectives 4
    1.3 Road Map 4
    2 Related Work 6
    2.1 Simulated-based Approaches 6
    2.2 Interpolated-based Approaches 7
    2.3 Procedural Character Modeling and Animation 7
    2.4 Principles of Traditional Animation 8
    3 Rhythmic Motion Control 10
    3.1 Rhythmic Motion Styling 10
    3.1.1 Tempo, Exaggeration and Timing 11
    3.1.2 The Rhythmic Motion-style Space 12
    3.2 Autonomous Character Motion Control 13
    3.2.1 Behavior Control 14
    3.2.2 Posture Control 14
    3.3 Overview of the RhyCAP System 16
    3.3.1 The Playacting Level 16
    3.3.2 The Pose-to-pose Level 17
    4 The Dancing Lion Set 19
    4.1 The Lion Dancers 20
    4.1.1 Humanoid Kinematics of a Lion Dancer 21
    4.1.2 The Stances and Gestures of a Lion Dancer 22
    4.1.3 Lion Head and Lion Body Costume 23
    4.2 The Virtual Environment 24
    4.3 Playacting Controls and Inputs 25
    4.3.1 The Play Command 26
    4.3.2 The Rhythmic Motion Styling Interface 27
    4.3.3 The Behavior Control Interface 28
    5 Animating the Lion Dance 29
    5.1 Posture Control: Key Poses Generation 30
    5.1.1 Pose Controller: Poser 31
    5.1.2 The Action Graph 33
    5.2 Rhythmic Motion Styling: Regulating the Key Poses 36
    5.2.1 Tempo 36
    5.2.2 Exaggeration 36
    5.2.3 Timing 37
    5.3 Draw In-betweens: Interpolating Key Poses 39
    5.3.1 Interpolator 39
    5.3.2 Inverse Kinematics Solver 40
    5.4 Behavior Controls 45
    5.4.1 Path Planning 45
    5.4.2 Pursuit Behavior 46
    5.4.3 Following Behavior 47
    5.5 The Drum Beats 48
    6 Results 49
    6.1 Posture Control 50
    6.2 Rhythmic Motion Styling 53
    6.3 Behavior Control 57
    7 Conclusion 62
    7.1 Summary 62
    7.2 Comparison with Other Approaches 62
    7.3 Future Work 63
    8 REFERENCES 65

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