http://web.archive.org/web/20170603052644/http://www.comp.nus.edu.sg/~brown/projects/projector/download.html
https://blog.csdn.net/jia_zhengshen/article/details/9392307
https://github.com/Microsoft/RoomAliveToolkit/tree/master/ProCamCalibration
http://www.cse.yorku.ca/~mbrown/