该算法结合“足够好就停止搜索”的思想和六边形搜索模式的高速特性，能快速找到匹配点。
The proposed algorithm takes advantages of "stop when good enough" spirit and high speedup gain of hexagon-based search pattern (HEXBS) to find suited points quickly.
计算机一般是搜索某几个节点之后就停止了。
So, the computer only look at a certain number of nodes and then stops.
一种了解进程何时彻底停止的方法可以是周期性地搜索Server MBean，如果找不到，就表示进程停止了。
One way of finding out could be to periodically search for the Server MBean, and when it cannot be found, the process is stopped.
应用推荐