Interactive data transmitting apparatus, interactive data receiving apparatus, and interactive data transmitting and receiving methods

摘要

An interactive communication system comprising a transmitting apparatus and a receiving apparatus is provided. The transmitting apparatus comprises a first storage unit for storing a frame of image data, a second storage unit for storing a plurality of coordinates information showing positions at which a plurality of graphical elements are to be combined with the image data, and a transmitting unit for multiplexing and transmitting the image data the plurality of coordinates information. The receiving apparatus comprises a first storing unit for storing a plurality of graphical elements, a second storing unit for storing coordinates information respectively showing positions in an image at which the plurality of graphical elements are to be combined, and a reproducing unit for reproducing the image combined with the plurality of graphical elements.