Patent ID: 8213730

Claim:
A server that compresses image data in at least a partial region of a displayed image on a screen including graphical user interface (GUI) components of plural types and transmits compressed data to a client terminal, the server comprising: an image data generating unit configured to generate image data in at least a partial region of a displayed image on the screen; a type identifying unit configured to identify a type of a GUI component included in the region of the generated image data; a first storage configured to store compression property information of image data for each type of GUI component; a compression scheme deciding unit configured to decide a compression scheme based on compression property information corresponding to the GUI component type identified by the type identifying unit; a compression unit configured to compress the generated image data with a decided compression scheme to generate compressed data; a transmission unit configured to transmit the compressed data to the client terminal; an update frequency deciding unit configured to decide an update frequency of the compression property information corresponding to each type of the GUI component in the first storage; and an updating unit configured to update the compression property information corresponding to the update frequency decided for each type of the GUI component.