FIELD: image decoding.
SUBSTANCE: invention relates to the field of image decoding to output weight index information for generating a prediction sample. An image decoding method is proposed in which, when the inter-prediction type of the current block indicates bi-prediction, weight index information for candidates in a join candidate list or a sub-block join candidate list can be output, the candidates containing a created affine join candidate, and the created affine join candidate contains control point motion vectors (CPMVs).
EFFECT: increased efficiency of encoding/decoding.
12 cl, 10 tbl, 17 dwg
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Year |
Author |
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|
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2020 |
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