该算法首先通过对边缘密度图进行投影分析进行自顶向下的粗定位，然后在此基础上利用垂直边缘的连接强度进行自底向上的精确定位。
The algorithm first makes a top-down coarse location using the projection analysis of the edge density graph and then makes a bottom-up precise location based on the vertical edge linkage intensity.
为了提高二值图像的压缩比，采用自顶向下的编码方法，提出一种基于等腰直角三角形的分形图像压缩算法，并进行仿真实验。
In order to improve the ratio of binary image compression, using top-dowm method of coding, bring forward a fractal image compression method based on isosceles right triangle, and simulated.
本文以归纳程序综合系统NDIPS为背景，介绍自顶向下的归纳程序综合算法，以及程序假设空间的组织、搜索所采用的技术和策略。
With the inductive program synthesis system NDIPS, this paper presents its synthesis algorithm, the organization of its hypothesis space and the search strategies it adopted.
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