VIDEO ENCODING APPARATUS AND VIDEO DECODING APPARATUS

摘要

A video encoding apparatus is a video encoding apparatus for subjecting a video image to motion compensated prediction coding, comprising an acquisition module to acquire available blocks of blocks having motion vectors from encoded blocks adjacent to a to-be-encoded block and number of the available blocks, an acquisition/selection module to select one selection block from the encoded available blocks, a selection information encoder to encode selection information specifying the selection block using a code table corresponding to the number of available blocks, and an image encoder to subject the to-be-encoded block to motion compensated prediction coding using a motion vector of the selection block.

主权项

1. A video decoding apparatus for subjecting a video image to motion compensated prediction decoding, the apparatus comprising:
an acquisition module to obtain available blocks being blocks having motion vectors and number of the available blocks from decoded blocks adjacent to a to-be-decoded block; a selection information decoding module to select one selection code table from a plurality of code tables depending on the number of the available blocks and decode selection information for specifying the selection block using a code table corresponding to the number of the available blocks; a selection module to select one selection block from the available blocks according to the selection information; and a video decoding module to subject the to-be-decoded block to motion compensated prediction decoding using a motion vector of the selection block.