Patent ID: 11877003
Assignee: NIPPON HOSO KYOKAI
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A prediction image correcting device comprising:
an inter predictor circuitry configured to predict, by inter prediction, a target image block obtained by dividing an image in a frame unit, and to generate an inter prediction block corresponding to the target image block;
an intra predictor circuitry configured to predict the target image block by intra prediction, and to generate an intra prediction block corresponding to the target image block;
an evaluator circuitry configured to perform an evaluation based on both a first prediction mode controlling a first intra prediction process on a first decoded neighboring block adjacent to the target image block and a second prediction mode controlling a second intra prediction process on a second decoded neighboring block adjacent to the target image block; and
a prediction image corrector circuitry configured to execute a weighted average process between the inter prediction block and the intra prediction block as a correction process, wherein
the prediction image corrector circuitry is configured to adjust weights of the weighted average process based on a result of the evaluation based on both the first prediction mode and the second prediction mode.