Measurement and detection system and method based on optical sensing technology

The invention provides a measurement and detection system and method based on an optical sensing technology, and the system comprises an anti-theft instruction receiving module which is used for receiving an anti-theft instruction of valuables inputted by a user; the first three-dimensional scene information acquisition module is used for measuring and acquiring first three-dimensional scene information within a preset radius range around the valuables based on an optical sensing technology; the footing range delimiting module is used for delimiting a footing range in which the personnel can stand within a radius range based on the first three-dimensional scene information; the second three-dimensional scene information acquisition module is used for continuously measuring and acquiring second three-dimensional scene information of the landing range based on an optical sensing technology; and the anti-theft detection module is used for carrying out anti-theft detection on the valuables based on the second thr