METHOD AND APPARATUS FOR INTER LAYER INTRA PREDICTION

摘要

PURPOSE: An interlayer intra prediction method and an apparatus thereof perform interlayer intra prediction by using intra prediction data of a periphery block, thereby improving encoding efficiency. CONSTITUTION: A layer determining unit (910) determines a reference layer for interlayer intra prediction. The layer determining unit selects a candidate layer of the highest layer as the reference layer. A prediction data generator (920) produces intra prediction data from the reference layer. The prediction data generator produces intra prediction data based on an intra-predicted co-located block among front-to-back frames of the reference frame. An intra prediction part (930) performs interlayer prediction about a current block based on the intra prediction data. [Reference numerals] (910) Layer determining unit; (920) Prediction data generator; (930) Intra prediction part