https://www.theverge.com/2017/12/15/16782556/project-tango-google-shutting-down-arcore-augmented-reality
https://en.wikipedia.org/wiki/Tango_(platform)
https://www.google.com.hk/search?q=google+tango&oq=google+tango&aqs=chrome..69i57j69i60j69i65l3j69i60.2967j0j4&sourceid=chrome&ie=UTF-8&gws_rd=cr
Google Tango产品淘汰没关系，科学理念，和背后的科学原理永远不会过时。
ARCore是如何动态校正的
SFM技术是如何PK结构光的
