从草图识别和语义理解这两个方面对基于草图的人机交互技术的研究状况进行了分析和总结。
This paper summarizes the state of the art of the techniques on online sketchy shape recognition and semantic understanding for sketch-based user interface.
本文概述了草图理解技术（包括草图识别和语义理解）的现状。
This paper summarizes the state of the art of sketch understanding in aspects of sketch recognition and semantic understanding.
并对相应的基于笔触语义分层的三维草图原型系统做了描述，对相关技术和算法的可行性进行了验证。
Based on the semantic characteristics, the prototype system supported 3D online sketch technique is built, and the related algorithms are verified.
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