手势交互界面主要包括笔划识别技术，手势笔划集设计和手势交互界面实现技术。
The gesture interface technology consists of gesture recognition, gesture design and implementation of gesture interface.
具体包括草图前处理、特征点的检测、笔划分段、图元识别、图元重构、图元规整、端点校正等内容。
The system integrates several process like sketch preprocessing, feature points detection, strokes fragment, primitives recognition, shape reconstruction, and primitives beautification.
在实现结构分析法识别手写汉字时，笔划抽取是关键所在。
In developing handprinted Chinese characters recognition system by the structural approach. the stroke extraction is all important problem.
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