Encoding device, decoding device, encoding method and decoding method

Abstract

[Problem] To provide a configuration that contributes to one or more of the following: improved encoding efficiency, improved image quality, reduced processing load, reduced circuit size, improved processing speed, appropriate selection of elements or actions, improved processing of decoded images, or provision of new processing. [Solution] An encoding device comprising a circuit and a memory connected to the circuit, the circuit using the memory to perform: encoding a parameter set into a bitstream (S1001), encoding a first image into a bitstream (S1001); deriving a first reference image by reconstructing the first image (S1002); and generating a second reference image from the first reference image using the parameter set (S1003).

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