US 12,069,314 B2
Apparatus, a method and a computer program for volumetric video
Payman Aflaki Beni, Tampere (FI); and Sebastian Schwarz, Unterhaching (DE)
Assigned to Nokia Technologies Oy, Espoo (FI)
Appl. No. 17/641,898
Filed by Nokia Technologies Oy, Espoo (FI)
PCT Filed Aug. 26, 2020, PCT No. PCT/FI2020/050553
§ 371(c)(1), (2) Date Mar. 10, 2022,
PCT Pub. No. WO2021/053262, PCT Pub. Date Mar. 25, 2021.
Claims priority of application No. 20195787 (FI), filed on Sep. 20, 2019.
Prior Publication US 2022/0329871 A1, Oct. 13, 2022
Int. Cl. H04N 19/80 (2014.01); H04N 19/597 (2014.01); H04N 19/70 (2014.01)
CPC H04N 19/80 (2014.11) [H04N 19/597 (2014.11); H04N 19/70 (2014.11)] 15 Claims
OG exemplary drawing
 
1. A method comprising:
projecting a three-dimensional representation of at least one object onto at least one two-dimensional patch;
generating auxiliary patch information and one or more of the following:
a geometry image,
a texture image, or
an occupancy map,
from the two-dimensional patch, wherein the auxiliary patch information comprises metadata indicating whether a filtering process shall be applied on said two-dimensional patch upon reconstruction of the three-dimensional representation of said at least one object, wherein the metadata further comprises at least one filter type and a predefined filter strength that is defined patch-specifically; and
encoding the auxiliary patch information and the one or more of:
the geometry image,
the texture image, or
the occupancy map
in or along a bitstream, wherein signaling of the at least one filter type and the predefined filter strength is configured to be carried via at least two syntax elements included in a packet data unit level syntax structure.