Method and device for encoding a depth map of multi viewpoint video data, and method and device for decoding the encoded depth map

摘要

The present invention relates to a method and device for encoding a depth map of multi viewpoint video data, and a method and device for decoding the encoded depth map. The method for encoding a depth map of multi viewpoint video data according to an embodiment of the present invention includes: dividing a recovered multi viewpoint color video frame block into partitions on the basis of pixel values of the predictive-encoded and recovered multi viewpoint color video frame block; obtaining parameters indicating a correlation using pixel values of peripheral pixels around the partitions of the multi viewpoint color video frame block and pixel values of peripheral pixels around partitions of a depth map frame block corresponding to the partitions of the multi viewpoint color video frame; and obtaining prediction values for the corresponding partitions of the depth map frame block from the partitions of the recovered multi viewpoint color video frame block using the obtained parameters.