IMAGE ENCODING DEVICE, IMAGE DECODING DEVICE, IMAGE ENCODING METHOD AND IMAGE DECODING METHOD Russian patent published in 2018 - IPC H04N19/50 H04N19/159 G06T9/00

Abstract RU 2649775 C1

FIELD: image processing means.

SUBSTANCE: invention relates to means of encoding and decoding images. Internal prediction module of present invention, if encoding mode selected by encoding control module is internal prediction mode, generates predicted image (P_iⁿ) by performing intraframe prediction processing using pixels, adjacent to segment P_iⁿ, which is segmented by segmentation module into blocks, or pixels adjacent to segment P_i^n-1 the top level of segment P_iⁿ.

EFFECT: technical result is to increase efficiency of encoding and decoding with increasing number of directional prediction modes without increasing amount of computation.

4 cl, 14 dwg

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RU 2 649 775 C1

Authors

Sekiguchi, Shunichi

Sugimoto, Kazuo

Dates

2018-04-04—Published

2017-07-28—Filed