是从网上一位大侠那得到的基础版本，不过里面有问题，我的贡献是把它调试通过，并且实现了对水平线的处理，还有就是实现了对非极值点的不做上移处理，由于我用在具体的情况下，我从中把它摘了出来。希望对大家有用处。-Is one of heroes from the Internet has been the basis of that version, but there are problems, my contribution is to debug it through, and realize t