Zicheng Liu
Learning Category: Presentation(s):
![Expressive expression mapping with ratio images](https://history.siggraph.org/wp-content/uploads/2023/06/2001-Technical-Papers-Liu_Expressive-Expression-Mapping-with-Ratio-Images-150x150.jpg)
Type: [Technical Papers]
Expressive expression mapping with ratio images Presenter(s): [Liu] [Shan] [Zhang]
[SIGGRAPH 2001]
![Hierarchical spacetime control](https://history.siggraph.org/wp-content/uploads/2022/09/1994-SIGGRAPH-Image-Not-Available-150x150.jpg)
Type: [Technical Papers]
Hierarchical spacetime control Presenter(s): [Liu] [Gortler] [Cohen]
[SIGGRAPH 1994]
Role(s):
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