Image calibration method and device

The embodiment of the invention discloses an image feature point calibration method and device. The method comprises the steps of obtaining infrared images collected by an image collection system for a target object in the same collection period; based on a pre-established feature point detection model, determining detection position information and semantic information of standby feature points in each infrared image; grouping the infrared images to obtain at least one infrared image group; determining target spatial position information corresponding to a standby feature point corresponding to the target semantic information by using detection position information of the standby feature point corresponding to the semantic information corresponding to each infrared image group and the corresponding equipment pose information; and on the basis of the target spatial position information corresponding to the standby feature point corresponding to each piece of target semantic information and the equipment pose