Patent ID: 11962785
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H | IPC H

Claim 1:
2. A video decoding apparatus comprising:
a syntax element obtainer configured to obtain information about an index of a first tile and information about an index of a last tile from a bitstream, wherein the first tile and the last tile are included in a first slice; and
a decoder configured to obtain a column index of the first tile using the information about the index of the first tile and a number of tile columns included in a picture, obtain a column index of the last tile using the information about the index of the last tile and the number of the tile columns included in the picture, determine an index difference between the first tile and the last tile, based on whether the index of the first tile is greater than the index of the last tile and whether the column index of the first tile is greater than the column index of the last tile, determine a number of tiles included in the first slice the index difference between the first tile and the last tile and the number of the tile columns included in the picture, and decode a plurality of tiles included in the first slice using the number of tiles included in the first slice.