Image display apparatus, image display system, and image display method

摘要

An image display apparatus (200) is provided with a receive unit (210) that receives a frame image from a frame image providing device (270), a display unit (250) that displays the frame image, a touch panel control unit (222) that detects contact point coordinates or approach point coordinates on a touch panel (260) provided for the display unit (250), and a drawing unit (224) that superimposes a drawing image on the frame image by using the contact point coordinates or the approach point coordinates. The display unit (250) displays the frame image or the frame image with the drawing image superimposed thereon.