滚球法

文章详细描述了各模块中的半自动提取功能的算法，其中道路提取采用了滚球法，房屋提取采用的是基于几何关系的算法。

This paper describes the algorithms of the operations of each module in detail . Road extraction adopts rolling ball method and house extraction uses a geometry-based algorithm .

在避雷针保护范围的设计中，多年来的实践证明折线法计算能满足电力行业的要求，而且与滚球法相比具有一定的优越性。

In the design of lightning rod protection scope , the results calculated by broken line method can satisfy the requirements of power industry , which is proved by the practice for many years and have certain superiority compared with rolling ball method .

折线法和滚球法确定避雷针保护范围的安全性分析

The security analysis for the determination of lightning arrester protective range with fold line and ground ball methods

针对传统修补算法滚球法修补效果受半径的取值影响的问题，本文运用数学形态学提出了一种新的修补算法，提高了修补的准确率。

Conventional repair algorithm ball method effect radius repair the problem , this paper value influence mathematical morphology presents a new repair algorithm , improve the repair accuracy .