MOVING PICTURE ENCODING METHOD AND MOVING PICTURE DECODING METHOD

摘要

When a moving picture is encoded with a high compression ratio by the MPEG, the block noise becomes remarkable. Matching is calculated between the first and the second key frame (F0, F4) and corresponding point information (M0-4) is generated. According to this corresponding point information, a virtual second key frame (F4') is generated. A difference between the actual second key frame (F4) and the virtual second key frame (F4') is compressed/encoded by a difference encoder DE. The F0, M0-4, and the compressed/encoded difference Delta4 are outputted as encoded data between the key frame F0 and F4.