A method for controlling a movement of a vehicle is provided. An input image is received in which stars are present from a camera system for the vehicle. A subpixel probability image is generated by a machine learning model system from the input image in w...

Disclosed is a method for joint estimation of stellar atmospheric refraction and star tracker attitude, including: capturing, by a star tracker, an image of stars, and recognizing the image to obtain a matching relationship between an observed star and a r...

The system has photodetectors (10) to record an image formed by a part of a telescope (1) from light rays directed by secondary mirrors (4, 5) towards the entrance of the telescope. The mirrors are rigidly coupled to a principal pointing mirror (2) to foll...