中文说明：网上到处都是一维k均值聚类，而这是一个二维k均值聚类的代码，老外写的，说明较详细，稍加修改就可以融入自己的项目中。
English Description：
Online is full of one-dimensional K-means clustering, and this is a two-dimensional K-means clustering code, written by foreigners, more detailed description, a little modification can be integrated into their own projects.