Fremgangsmåte og system for komprimering av informasjon i levende bilder

摘要

The present invention provides a method and system for compressing motion image information which is capable of compressing information such as image information or sound information by means of predictive coding, with a high compression ratio and at a high speed while maintaining high image and sound quality. <??>In the method and system of the present invention, spatially or temporally adjacent pixels are compared to each other to output differential information of pixel values; a first area where the differential information is greater than a given parameter or a second area other than said first area are detected and stored into a form of a 1-bit/pixel bit map; and the information of the first area stored in said bit map is compressed, thereby reducing redundant information between frames. <IMAGE>