1. An information processing apparatus, comprising: a display screen; and one or more processors configured to: acquire a captured image that includes a plurality of users; detect a plurality of face regions that correspond to the plurality of users in the captured image; determine an operator from the plurality of users included in the captured image, based on a position of a line of sight of a first user of the plurality of users in a specific region on the display screen and based on a size of each of the plurality of face regions; and control a first process based on first information associated with the line of sight corresponding to the determined operator.