| 摘要 |
PROBLEM TO BE SOLVED: To increase the encoding efficiency while limiting the memory access amount of a reference picture in performing motion compensation prediction.SOLUTION: A motion compensation predicting unit 112 generates a predicted signal for a predicted block to be encoded, by motion compensation using derived motion information. An encoding block control parameter generating unit 122 generates a first control parameter indicating whether to permit motion compensation prediction for a predicted block size of a first size, and a second control parameter indicating a second size that forbids bi-predictive motion compensation for a predicted block size less than or equal to the second size. A block structure/prediction mode information supplementary information encoding unit 118 encodes information used in motion compensation prediction, including the first and second control parameters. The motion compensation prediction unit 112 performs motion compensation prediction on the basis of the first and second control parameters.SELECTED DRAWING: Figure 1 |
