本文档是号称尺度不变特征父亲的David Lowe于1999年发表的经典论文的翻译，参考了很多版本后自己整合的，希望对大家有帮助！-This document is a translation of a classic paper published in 1999 writen by a man known as the father of the scale-invariant feature David Lowe, refered to a lot of versions, hope it will help you!