本文针对小类别数手写汉字，在骨架图形的基础上，把手写汉字看作孤枝、孤环和部件的集合，并定义三者之间的方位关系，从而建立手写汉字的数学模型。
This paper is focus on small set character recognition. Based on skeleton graphics, handwriting Chinese character is defined as a set of isolated branch, isolated loop and component. Relation…
求解轨迹线集合所形成的外包多边形和内部顺时针环，得到的多边形即为临界多边形。
Get the enclosing polygon and internal clockwise loops that was formed by the track line segments, finally the result polygons are the final NFPs.
集合器曾被用于传统环锭纺中，但集聚效果并不理想。
Compactor was once used on traditional ring spinning machine, but failed to obtain ideal compacting effect.
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