Self-calibration method of head moving CT detector and scanning system

The invention relates to the field of head movement CT detection, in particular to a self-calibration method of a head movement CT detector and a scanning system.The self-calibration method comprises the following steps that S1, coordinate information of the center point of a head support where the head of a patient is located is obtained based on a film pressure sensor arranged on the head support; s2, acquiring a three-dimensional image of the head of the patient; s3, acquiring coordinate information of each boundary point of the head of the patient based on the coordinate information of the midline point and the three-dimensional image of the head of the patient; s4, acquiring central point coordinates (x0, y0, z0) of each boundary point based on the coordinate information of each boundary point; and S5, electrifying the head moving CT detector, and realizing self-calibration of the position of the detector based on the central point coordinates (x0, y0, z0). According to the invention, rapid self-calibrat