US Patent 11960146 Fitting of glasses frames including live fitting

In various embodiments, a process for trying on glasses includes determining an event associated with updating a current model of a user's face. In response to the event, using a set of historical recorded frames of the user's face to update the current model of the user's face. The process includes obtaining a newly recorded frame of the user's face, using the current model of the user's face to generate a corresponding image of a glasses frame, and presenting the image of the glasses frame over the newly recorded frame of the user's face.