| 摘要 |
An image coding method for coding an image on a block-by-block basis to generate a bitstream includes: deriving, as a first merging candidate, a merging candidate which is a combination of a prediction direction, a motion vector, and a reference picture index for use in coding of the current block (S201); deriving, as a second merging candidate, a merging candidate having a motion vector which is a predetermined vector (S202); selecting a merging candidate to be used for the coding of the current block from the derived first merging candidate and the derived second merging candidate (S203); and attaching an index for identifying the selected merging candidate to the bitstream (S204). |
