Rule-based Motion Synthesis Kyunglyul Hyun Movement Research Lab Seoul National University

Motion

Motion Motion capture is popular

Rule Natural movements are structured

Goal

Natural Language

Grammar

Generative Grammar Gives rules that produce combinations of words which form grammatical sentences Generative Motion Grammar gives rules to yield various grammatical motions

Motion Grammar

Motion Grammar

Motion Grammar

Motion Grammar

Motion Grammar

Motion Grammar

Motion Grammar

Parsing Tree

Parsing Tree

Parsing Tree

Evaluation

Interaction

Interaction Position, timing and actions must be carefully coordinated Each character should follow its own rules

Factors When the player passes, two players should face each other. Player pivots or feints only when defenders are close Player should shoot toward the basket

Factor Graph

Result

Future work More complex scene More concrete rules Fancy rendering

Thank you Thank you for your attention.