Abstract: An information processing device improves hygiene while minimizing any reduction in icon operating convenience, and comprises: an authentication result acquiring unit that acquires authentication results of a user who operates the device; a display unit displaying one or more operation icons; a touch input detecting unit detecting a touch operation on an operation icon displayed on the display unit; a touch position history recording unit detecting the touched position in the touch operation and records the touched position as a historical record in a predetermined storage unit; a screen generating unit generating a screen to be displayed on the display unit; and an icon position changing unit changing the position of the operation icon on the screen based on the history of the touched position when there is a change in the user identified in the authentication results obtained by the authentication result acquiring unit.

Abstract: An information processing device improves hygiene while minimizing any reduction in icon operating convenience, and comprises: an authentication result acquiring unit that acquires authentication results of a user who operates the device; a display unit displaying one or more operation icons; a touch input detecting unit detecting a touch operation on an operation icon displayed on the display unit; a touch position history recording unit detecting the touched position in the touch operation and records the touched position as a historical record in a predetermined storage unit; a screen generating unit generating a screen to be displayed on the display unit; and an icon position changing unit changing the position of the operation icon on the screen based on the history of the touched position when there is a change in the user identified in the authentication results obtained by the authentication result acquiring unit.

Abstract: A guide generation method performed by a computer includes: a vehicle information acquisition step of acquiring vehicle information including a current position and an appearance feature of a vehicle; a guide point determination step of determining a guide point located on a scheduled traveling route of the vehicle, based on the vehicle information and map information; a mark vehicle determination step of determining a mark vehicle, among vehicles traveling around a target vehicle, from one or more candidate vehicles that make a turn at the same guide point in the same direction as the guide point and a direction of the target vehicle; and a guide information generation step of generating guide information that includes the appearance feature of the mark vehicle and a positional relationship between the target vehicle and the mark vehicle, and that guides a turn at the guide point with the mark vehicle as a marker.