METHOD FOR MULTI-VIEW VIDEO ENCODING BASED ON TREE STRUCTURE ENCODING UNIT AND APPARATUS FOR SAME, AND METHOD FOR MULTI-VIEW VIDEO DECODING BASED ON TREE STRUCTURE ENCODING UNIT AND APPARATUS FOR SAME

摘要

Provided are multiview video inter-layer encoding and decoding based on coding units of a tree structure. A video encoding method includes operations of encoding a base layer image that is one of a base view texture image and a base view depth image of a base view image, based on coding units of a tree structure that are among coding units obtained by hierarchically splitting a maximum coding unit of an image, determining an inter-layer encoding mode for performing inter-layer encoding on an additional view image by referring to the base layer image based on the coding units of the tree structure, and referring to an additional layer image including the additional view image, based on the inter-layer encoding mode.

主权项

1. A multiview video inter-layer encoding method comprising:
encoding a base layer image that is one of a base view texture image and a base view depth image of a base view image, based on coding units of a tree structure that comprise coding units that are completely split among coding units obtained by hierarchically splitting a maximum coding unit of an image; performing prediction encoding on an additional view texture image and an additional view depth image of an additional view image, as separate additional layer images, by referring to a predetermined inter-layer encoding mode and encoding information of the base layer image based on the coding units of the tree structure, wherein the additional view image is not the base layer image but is the other one of the base view texture image and the base view depth image; and outputting an encoding mode and a prediction value of the base view image, and an inter-layer encoding mode of the additional view image, based on the predetermined inter-layer encoding mode, wherein each of maximum coding units obtained by spatially splitting the image of a video is split into a plurality of coding units, and it is determined whether to split each of the plurality of coding units into smaller coding units, independently from an adjacent coding unit.