Stereo image data transmitting apparatus and stereo image data receiving apparatus

摘要

[Object] To provide a data structure that allows transmission of disparity information for restricted use, such as closed caption information, and that is capable of being easily coordinated with the existing broadcast standards.;[Solution] A CC encoder 133 outputs CC data for displaying a caption with a closed caption. A disparity information creation unit 132 outputs disparity information related with each Window ID included in the CC data. A stream formatter 113a embeds the CC data and the disparity information in a user data area of a header portion of a video elementary stream so that the CC data and the disparity information can be identified by user data identification information. The disparity information has added thereto instruction information instructing which of the left eye and the right eye is to be subjected to shifting on the basis of the disparity information. Also, the disparity information is either configured to be commonly used in individual frames during a display period of closed caption information or configured to be sequentially updated during the individual periods, and has added thereto identification information thereabout.

主权项

1. A stereo image data transmitting apparatus, comprising:
a stereo image data output unit that outputs stereo image data including left-eye image data and right-eye image data; a superimposition information data output unit that outputs data of superimposition information to be superimposed on an image that is based on the left-eye image data and the right-eye image data; a disparity information output unit that outputs disparity information for giving disparity by shifting the superimposition information to be superimposed on the image that is based on the left-eye image data and the right-eye image data; and a transmitting unit that transmits a video elementary stream including, in a payload portion, the stereo image data output from the stereo image data output unit and including, in a user data area of a header portion, the data of the superimposition information output from the superimposition information data output unit and the disparity information output from the disparity information output unit, wherein the data of the superimposition information and the disparity information included in the user data area of the header portion of the video elementary stream is configured to be identifiable by user data identification information, wherein the disparity information comprises a plurality of block-based disparity vectors and a plurality of group-based disparity vectors, the block-based disparity vectors including disparity vectors for respective blocks of pixels, and the group-based disparity vectors including disparity vectors for respective groups of the blocks, the groups of blocks being formed by grouping blocks according to display positions of the blocks.