Non-directional intra prediction for L-shape partitions
AssigneeTencent America LLC
InventorLiang Zhao
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Abstract
Aspects of the disclosure include methods, apparatuses, and non-transitory computer-readable storage mediums for video encoding/decoding. An apparatus includes processing circuitry that decodes prediction information of a current block in a current picture that is a part of a coded video bitstream. The prediction information indicates a non-directional intra prediction mode for the current block. The processing circuitry partitions the current block into a plurality of partitions. The plurality of partitions includes at least one L-shaped partition. The processing circuitry reconstructs one of the plurality of partitions based on at least one of (i) neighboring reconstructed samples of the one of the plurality of partitions or (ii) neighboring reconstructed samples of the current block.
Claims16
A method of video decoding in a decoder, comprising:
- decoding prediction information of a current block in a current picture that is a part of a coded video bitstream, the prediction information indicating a non-directional intra prediction mode for the current block;
- partitioning the current block into a plurality of partitions, the plurality of partitions including at least one L-shaped partition;
- and
- reconstructing one of the plurality of partitions based on at least one of (i) neighboring reconstructed samples of the one of the plurality of partitions or (ii) neighboring reconstructed samples of the current block,
- wherein the one of the plurality of partitions is an L-shaped partition and a number of the neighboring reconstructed samples is one of (i) a sum of a width and a height of the L-shaped partition, (ii) a sum of a shorter width and a shorter height of the L-shaped partition, (iii) a maximum value of the width and the height of the L-shaped partition, or (iv) a minimum value of the width and the height of the L-shaped partition.
An apparatus, comprising:
- processing circuitry configured to
- decode prediction information of a current block in a current picture that is a part of a coded video bitstream, the prediction information indicating a non-directional intra prediction mode for the current block;
- partition the current block into a plurality of partitions, the plurality of partitions including at least one L-shaped partition;
- and
- reconstruct one of the plurality of partitions based on at least one of (i) neighboring reconstructed samples of the one of the plurality of partitions or (ii) neighboring reconstructed samples of the current block,
- wherein the one of the plurality of partitions is an L-shaped partition and a number of the neighboring reconstructed samples is one of (i) a sum of a width and a height of the L-shaped partition, (ii) a sum of a shorter width and a shorter height of the L-shaped partition, (iii) a maximum value of the width and the height of the L-shaped partition, or (iv) a minimum value of the width and the height of the L-shaped partition.
A non-transitory computer-readable storage medium storing instructions which when executed by at least one processor cause the at least one processor to perform:
- decoding prediction information of a current block in a current picture that is a part of a coded video bitstream, the prediction information indicating a non-directional intra prediction mode for the current block;
- partitioning the current block into a plurality of partitions, the plurality of partitions including at least one L-shaped partition;
- and
- reconstructing one of the plurality of partitions based on at least one of (i) neighboring reconstructed samples of the one of the plurality of partitions or (ii) neighboring reconstructed samples of the current block,
- wherein the one of the plurality of partitions is an L-shaped partition and a number of the neighboring reconstructed samples is one of (i) a sum of a width and a height of the L-shaped partition, (ii) a sum of a shorter width and a shorter height of the L-shaped partition, (iii) a maximum value of the width and the height of the L-shaped partition, or (iv) a minimum value of the width and the height of the L-shaped partition.
Dependencies are inferred from the claim text.