CPC H04N 19/44 (2014.11) [H04N 19/119 (2014.11); H04N 19/124 (2014.11); H04N 19/13 (2014.11); H04N 19/159 (2014.11); H04N 19/176 (2014.11)] | 3 Claims |
1. A non-transitory computer readable medium storing a bitstream, the bitstream including instructions and parameters which, when loaded to an image decoder, cause the image decoder to perform a process including: and
parsing an encoded bitstream to obtain a first parameter and a second parameter;
deriving a partition mode based on the first and second parameters;
wherein,
responsive to the derived partition mode being a first partition mode, the process includes executing the first partition mode including:
splitting a block of a picture, in a vertical direction or in a horizontal direction, into a plurality of first blocks, the plurality of first blocks including a N×2N block sized N pixels by 2N pixels;
splitting the N×2N block, wherein a ternary split is allowed to split the N×2N block in the vertical direction, which is a direction along the 2N pixels, into a plurality of sub blocks including at least one sub block sized N/4×2N, while a binary split is not allowed to split the N×2N block in the vertical direction into two sub blocks that are equally sized N/2×2N; and
decoding the plurality of sub blocks.
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