Patent ID: 8488677
Filing Date: 2013-07-16
Classification: H04N

Abstract:
1. A method of decoding a video signal with a decoding apparatus, comprising: obtaining, with the decoding apparatus, first flag information and a global motion vector from a video signal bitstream, the first flag information indicating whether or not a current slice uses motion skip, the global motion vector representing a position difference between a current block in a current view and a corresponding block in a neighboring view of the current view; obtaining, with the decoding apparatus, second flag information from a block layer of the video signal bitstream based on the first flag information, the second flag information indicating whether or not motion information of the current block is derived from a reference block in the neighboring view; obtaining, with the decoding apparatus, offset refinement information of the current block based on the second flag information, the offset refinement information representing a position difference between the corresponding block indicated by the global motion vector and the reference block; obtaining, with the decoding apparatus, a refined global motion vector of the current block using the global motion vector and the offset refinement information; searching, with the decoding apparatus, the reference block using the refined global motion vector; deriving, with the decoding apparatus, the motion information of the current block from the reference block; decoding, with the decoding apparatus, the current block using the motion information of the current block, wherein the first flag information is obtained based on inter-view picture group identification information and inter-view reference information, the inter-view picture group identification information indicating whether a coded picture of a current NAL unit is an inter-view picture group or a non-inter-view picture group, the inter-view picture group being a coded picture that refers to only slices on a same time zone with the inter-view picture group, the inter-view reference information indicating inter-view reference relation, the inter-view reference information including a number of inter-view reference pictures of the non-inter-view picture group.