Encoder, a Decoder and Corresponding Methods Restricting Size of Sub-Partitions from Intra Sub-Partition Coding Mode Tool
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United States of America Patent
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Issued Date -
Mar 27, 2025
app pub date -
Dec 6, 2024
filing date -
Dec 6, 2024
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Abstract
A method of video coding implemented by a coding device includes obtaining block size information of a current block to be coded in an intra sub-partition (ISP) coding mode, determining a partitioning direction based on the block size information, determining, based on the block size information, a number of sub-partitions to which the current block is to be partitioned in the partitioning direction, wherein the sub-partitions are for intra prediction separately with a width of each of the sub-partitions bigger than or equal to 4 or collaboratively by combining at least two of the sub-partitions with a combined width of the at least two sub-partitions bigger than or equal to 4, and coding the sub-partitions.
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