| 摘要 |
A method and an apparatus for decoding/encoding a video signal are provided to code a video signal efficiently by defining view information capable of identifying a view of picture. A decoded picture buffer unit(600) includes a reference picture storing unit(610), a reference picture list constructing unit(620), a reference picture managing unit(650), and the like. And, the reference picture list constructing unit includes a variable deriving unit, a reference picture list initializing unit, and a reference picture list reordering unit. And, an inter-prediction unit includes a motion compensation unit(710), an illumination compensation unit(720), an illumination difference prediction unit(730), a view synthesis prediction unit(740), and the like. A NAL parser(100) carries out parsing by NAL unit to decode a received video sequence. In general, at least one sequence parameter set and at least one picture parameter set are transferred to a decoder before a slice header and slice data are decoded. In this case, various kinds of configuration information can be included in a NAL header area or an extension area of a NAL header. Sxnce MVC is an amendment technique for a conventional AVC technique, it may be more efficient to add the configuration information in case of an MVC bit stream only rather than unconditional addition. For instance, it is able to add flag information for identifying a presence or non-presence of an MVC bit stream in the NAL header area or the extension area of the NAL header. Only if an inputted bit stream is a multi-view video coded bit stream according to the flag information, it is able to add configuration information for a multi- view video. |
