Generation of small groups with rich behaviors from natural language interface

Chien Yuan Chen, Sai Keung Wong*, Wen Yun Liu

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


In this article, we develop a system with a natural language interface to generate animation of small groups in environments with ambient crowds. Our system takes simple sentences of English as input and these sentences are parsed to obtain information about character attributes, behaviors, and locations for constructing situation nodes. These situation nodes form an animation graph for producing an animation of small groups. The interface assists in interactively managing and editing the animation graph. We demonstrate the effectiveness of the system in some examples. The user study results indicate that the proposed system is user-friendly and flexible in producing animation of small groups in various scenes.

Original languageEnglish
JournalComputer Animation and Virtual Worlds
StateAccepted/In press - 2020


  • crowd animation
  • interactive interface
  • natural language processing
  • small groups

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