FIELD: image coding and decoding.
SUBSTANCE: invention is aimed at increasing the efficiency of image coding/decoding. It is achieved by determining the intra prediction mode of the current block, determining an initial sample for intra prediction of the current block, determining a matrix from a plurality of previously stored matrix groups based on the intra prediction mode, and predicting the current block based on the original sample and matrix.
EFFECT: increasing the efficiency of image coding/decoding.
10 cl, 10 dwg, 3 tbl
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|
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RU2813667C2 |
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|
RU2795549C2 |
Authors
Dates
2023-11-29—Published
2019-09-06—Filed