Apparatus and method for encoding/decoding additional intra-information

Abstract

Disclosed are an apparatus and method for encoding / decoding additional intra-information. An apparatus for encoding / decoding additional intra-information according to one embodiment of the present invention comprises: an additional intra-information encoder, which selects an optimum segmentation combination and prediction mode for a coding unit in accordance with a variety of types of preset segmentation and prediction modes, looks up a table in accordance with the selected segmentation combination and prediction mode, and performs entropy-encoding based on the table; and an additional intra-information decoder, which looks up and parses the table based on an entropy-decoded signal, generates a segmentation and prediction mode string based on the result of the lookup and parsing, and performs intra-mode decoding on the basis of the generated segmentation and prediction mode string.

Description

technical field [0001] Embodiments of the present disclosure relate to devices and methods for encoding / decoding additional intra information. More specifically, embodiments of the present disclosure aim to efficiently encode / decode additional intra-frame information due to increasing image sizes and resolutions in video data compression devices and increasing various methods of partitioning encoded blocks. , and relates to an apparatus and method for encoding / decoding additional intra-information capable of adaptively reducing information when encoding / decoding additional information by effectively managing division information and prediction mode information patterns of previous blocks using a history table quantity. Background technique [0002] The statements in this section merely provide background information related to the present disclosure and may not constitute prior art. [0003] In an apparatus for compressing video data, intra-coding is performed to efficient...

AI Technical Summary

Problems solved by technology

In this case, a higher compression rate can be achieved by performing intra prediction on a finer image, but additional information is required in order to decode it, i.e., many signals such as the block division method and the intra prediction mode, which makes it difficult to increase the overall compression ratio

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