Efficient camera path planning algorithm for human motion overview

I. Cheng Yeh, Chao Hung Lin, Hung Jen Chien, Tong Yee Lee

Research output: Contribution to journalArticlepeer-review

13 Citations (Scopus)


Camera path planning for character motions is a fundamental and important research topic, benefiting many animation applications. Existing optimal-based approaches are generally computationally expensive and infeasible for interactive applications. In this paper, we propose an efficient approach that can take many constraints of finding the camera path into account and can potentially enable interactive camera control. Instead of solving a highly complicated camera optimization problem in a spatiotemporal four-dimensional space, we heuristically determine the camera path based on an efficient greedy-based tree traversal approach. The experimental results show that the proposed approach can efficiently generate a smooth, informative, and aesthetic camera path that can reveal the significant features of character motions. Moreover, the conducted user study also shows that the generated camera paths are comparable to those of a state-of-the-art approach and those made by professional animators.

Original languageEnglish
Pages (from-to)239-250
Number of pages12
JournalComputer Animation and Virtual Worlds
Issue number2-3
Publication statusPublished - 2011 Apr

All Science Journal Classification (ASJC) codes

  • Software
  • Computer Graphics and Computer-Aided Design


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