Research on the Fast Solution Method of Pilots’ Head Attitude

Abstract

Abstract Aiming at the problem of poor accuracy and poor real-time performance in the process of head pose calculation in pilot cabin simulation, a high accuracy and fast algorithm for head pose calculation is proposed. On the basis of traditional EPNP algorithm was improved, and combining with POSIT algorithm’s speed advantage, select face five key feature points as virtual control points, according to the mapping relationship between space and virtual control point coordinates, establish a system of linear equations, then the internal camera parameters is calculated using Zhengyou Zhang camera calibration method, finally using POSIT algorithm of calculating to get the head rotation matrix and translation vector, by conversion from the head of Euler angle in real time. The experimental results show that compared with DLT, EPNP, POSIT and other traditional methods, the proposed method has higher accuracy, better real-time performance and better robustness in solving pilots’ head attitude in continuous video.