US 12,444,093 B2
Three-dimensional data encoding method, three-dimensional data decoding method, three-dimensional data encoding device, and three-dimensional data decoding device
Masato Ohkawa, Toyama (JP); Noritaka Iguchi, Osaka (JP); and Toshiyasu Sugio, 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 Jan. 13, 2023, as Appl. No. 18/096,637.
Application 18/096,637 is a continuation of application No. PCT/JP2021/027117, filed on Jul. 20, 2021.
Claims priority of provisional application 63/055,042, filed on Jul. 22, 2020.
Prior Publication US 2023/0154056 A1, May 18, 2023
Int. Cl. G06T 9/40 (2006.01); H04N 19/96 (2014.01)
CPC G06T 9/40 (2013.01) [H04N 19/96 (2014.11)] 12 Claims
OG exemplary drawing
 
1. A three-dimensional data encoding method comprising:
encoding geometry information of a plurality of three-dimensional points represented by a tree structure; and
generating a bitstream including the geometry information encoded and division number information indicating a total number of divisions of each of a plurality of nodes included in the tree structure, wherein
the division number information includes common division number information collectively indicating the total number of divisions of two or more nodes among the plurality of nodes.