3D virtual touch control man-machine interaction method based on stereoscopic vision

The invention relates to the technical field of man-machine interaction, in particular to a 3D virtual touch control man-machine interaction method based on the stereoscopic vision. The method includes the steps of camera calibration, image acquisition, image processing, physical sign three-dimensional positioning, coordinate matching, command executing and 3D image display. Compared with the prior art, by means of the 3D virtual touch control man-machine interaction method, non-contact type man-machine interaction is achieved on a 3D display terminal, the touch control position, on a virtual screen, of a user is obtained through fingertip positioning, a command input by the user can be obtained precisely, and the flexibility and accuracy of man-machine interaction are improved.