Encoding device, encoding method, decoding device, decoding method, program

Abstract

An encoding apparatus is characterized by comprising: a prediction means for performing a predetermined in-frame prediction process using filters on a target block, and generating a predicted image by moving and applying a prior filter; and an encoding means for encoding syntax elements required to identify, among a plurality of filters, the filters used in the predetermined in-frame prediction process on the target block; wherein, if the encoding means does not encode the prior syntax elements, the values ​​of the prior syntax elements are restricted to a predetermined value corresponding to one of the plurality of filters.

Images