Binocular photogrammetry method of large flexible structure vibration displacement

The invention provides a binocular photogrammetry method of large flexible structure vibration displacement, and belongs to the technical field of flexible structure dynamic analysis and measurement. The binocular photogrammetry method of large flexible structure vibration displacement aims to solve the problem that the existing contact measurement impacts performance of a flexible structure. Firstly, industrial cameras are demarcated; then, shock excitation is conducted on the flexible structure to be tested, all the industrial cameras are controlled to be triggered synchronously through a single-chip microcomputer, and shooting of vibration displacement is conducted on the point to be tested of the flexible structure to be tested; next, images obtained by shooting of all the industrial cameras are dealt with, pixel coordinates of the point to be tested are obtained through an angular point detection algorithm, object space coordinates of the point to be tested at each point of time are obtained through a bi