US 12,132,886 B2
Encoder, decoder, encoding method, decoding method, and medium
Takahiro Nishi, Nara (JP); Tadamasa Toma, Osaka (JP); and Kiyofumi Abe, Osaka (JP)
Assigned to PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICA, Torrance, CA (US)
Filed by Panasonic Intellectual Property Corporation of America, Torrance, CA (US)
Filed on Jun. 21, 2022, as Appl. No. 17/844,936.
Application 17/844,936 is a continuation of application No. PCT/JP2021/003913, filed on Feb. 3, 2021.
Prior Publication US 2022/0329785 A1, Oct. 13, 2022
Int. Cl. H04N 19/105 (2014.01); H04N 19/15 (2014.01)
CPC H04N 19/105 (2014.11) [H04N 19/15 (2014.11)] 5 Claims
OG exemplary drawing
 
1. An encoder comprising:
circuitry; and
memory coupled to the circuitry, wherein
in operation,
the circuitry switches between storing and not storing of a maximum value of a temporal layer ID in a video parameter set (VPS), according to whether or not all layer groups in a bitstream each include only one layer, the layer groups each including at least one output layer.