An algorithm is presented for converting the linear quadtree representation of a simply connected region into a 4-direction chain code description of the region's boundary.
本文提出一种算法实现单连通区域的线性四元树表示转换成区域边界的4 -方向链码描述。
Using the method described in this paper the edges of printed Chinese Characters were tracked down to extract the sequence of their chain direction code, and the results were satisfactory.
用本文的方法来跟踪印刷体汉字的轮廓边缘，提取汉字轮廓的链式方向码序列，取得了令人满意的结果。
The values are chained up in a definite direction to form the so called chain code.
然后把各个区域的灰度描述值按着规定的方向连接起来，生成一个用于检索图象的链码。
The values are chained up in a definite direction to form the so called chain code.
然后把各个区域的灰度描述值按着规定的方向连接起来，生成一个用于检索图象的链码。
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