IMAGE ENCODING / DECODING METHODS, IMAGE DATA TRANSMISSION METHODS, AND BIT STREAM RECORDING MATERIALS

Abstract

This invention proposes a method for encoding / decoding images and a device for performing in-image prediction based on an in-image prediction mode. The image decoding method may include decoding the in-image prediction mode of the current block, inferring at least one in-image prediction mode from the decoded in-image prediction mode of the current block, generating two or more in-image prediction blocks using the inferred in-image prediction mode of the current block and the inferred in-image prediction mode, and generating an in-image prediction block of the current block based on two or more in-image prediction blocks.