原始名称记载: Distance Technologies Oy

A set of images of a user are captured during a given time period, by employing at least one tracking camera. In each image, at least one face landmark feature of a face of the user is detected, and a position of the at least one face landmark feature is determined. When it is detected in a given image that the user is wearing at least one head accessory, a pose of the at least one head accessory in the given image is determined. A pose of a head of the user in the given image is then determined, based on the position of the at least one face landmark feature detected in the given image and the pose of the at least one head accessory in the given image.