US 12,069,301 B2
Method and apparatus for encoding and decoding volumetric video
Julien Fleureau, Rennes (FR); Bertrand Chupeau, Rennes (FR); Gerard Briand, Ploufragan (FR); Renaud Dore, Rennes (FR); and Franck Thudor, Rennes (FR)
Assigned to INTERDIGITAL CE PATENT HOLDINGS, SAS, Paris (FR)
Appl. No. 17/441,051
Filed by InterDigital CE Patent Holdings, SAS, Paris (FR)
PCT Filed Mar. 19, 2020, PCT No. PCT/EP2020/057700
§ 371(c)(1), (2) Date Sep. 20, 2021,
PCT Pub. No. WO2020/200829, PCT Pub. Date Oct. 8, 2020.
Claims priority of application No. 19305417 (EP), filed on Mar. 29, 2019.
Prior Publication US 2022/0167015 A1, May 26, 2022
Int. Cl. G06T 15/08 (2011.01); G06T 17/00 (2006.01); H04N 19/147 (2014.01); H04N 19/177 (2014.01); H04N 19/46 (2014.01); H04N 19/593 (2014.01); H04N 19/597 (2014.01); G06T 19/00 (2011.01)
CPC H04N 19/597 (2014.11) [G06T 17/00 (2013.01); H04N 19/147 (2014.11); H04N 19/177 (2014.11); H04N 19/46 (2014.11); H04N 19/593 (2014.11); G06T 15/08 (2013.01); G06T 19/00 (2013.01); G06T 2200/04 (2013.01); G06T 2207/10028 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A method comprising:
a. determining, via a device, a first atlas layout for a first sequence of three-dimensional (‘3D’) scenes,
wherein an atlas layout defines an organization of at least one patch within an atlas;
an atlas is a picture packing at least one patch of a same 3D scene; and
a patch is an image representative of a projection of a part of a 3D scene onto an image plane;
b. determining, via the device, a second atlas layout for a second sequence of 3D scenes, the second sequence being the first sequence to which one 3D scene is appended;
on condition that the number of patches of the second atlas layout is lower than or equal to the number of patches of the first atlas layout, using the second sequence as a first sequence for iterating steps a and b;
otherwise, generating a sequence of atlases for the first sequence of 3D scenes according to the first atlas layout and encoding the generated sequence in a data stream.