Patent ID: 9560370
Date: 2017-01-31
CPC Classifications: H04N

Claim:
1. A method of decoding an image, the method comprising: obtaining a first syntax indicating a maximum size of a buffer required to decode picture included in an image sequence, a second syntax indicating maximum number of pictures that can precede any first picture in the image sequence in decoding order and follow the any first picture in display order, the pictures being required to be reordered, and a third syntax used to obtain latency information indicating maximum number of pictures that can precede any second picture in the image sequence in the output order and follow the any second picture in decoding order, from a bitstream; determining a maximum size of a buffer storing decoded picture based on the first syntax; storing the decoded picture in the buffer; and determining whether to output the decoded picture stored in the buffer based on the second syntax and the third syntax, wherein the first syntax, the second syntax, and the third syntax are included in a sequence parameter set.