Patent ID: 9549186
Date: 2017-01-17
CPC Classifications: H04N

Claim:
1. An image predictive decoder comprising a memory that stores a program executable by the image predictive decoder to: extract, from compressed data where an image is divided into a plurality of regions and encoded, encoded data of identification information that specifies a region that is used to produce a prediction signal of a target region, and encoded data of a residual signal: specify a neighbouring block from among a plurality of neighboring blocks that neighbor the target region based on the identification information; produce a prediction signal of the target region from a reconstructed signal, wherein when the neighbouring block is predicted by intra-picture prediction and the target region is predicted by inter-picture prediction, or in the opposite case, prediction information associated with the neighboring block is not used; restore a reproduction residual signal of the target region from the encoded data of the residual signal; produce a reproduction signal of the target region based on the prediction signal of the target region and the reproduction residual signal; and store the reproduction signal of the target region as the reconstructed signal in the memory.