公开(公告)号：US20230129875A1

公开(公告)日：2023-04-27

申请号：US17906242

申请日：2021-03-05

Applicant: Nokia Technologies Oy

Inventor： Lukasz KONDRAD ,  Vinod Kumar MALAMAL VADAKITAL ,  Kimmo ROIMELA ,  Lauri ILOLA ,  Sebastian SCHWARZ

IPC: H04N19/597 ,  H04N19/172

Abstract: The embodiments relate to a method comprising receiving as an input a volumetric video frame comprising volumetric video data (910); decomposing the volumetric video frame into one or more patches, wherein a patch comprises a volumetric video data component (920); packing several patches, where at least two patches of the several patches comprise a different volumetric video data component with respect to each other, into one video frame (930); generating a bitstream comprising an encoded video frame (940); signaling, in or along the bitstream, existence of encoded video frame containing patches of more than one different volumetric video data component (950); and transmitting the encoded bitstream to a storage for rendering (960). The embodiments also relate to a technical equipment for implementing the method.

公开(公告)号：US20230068178A1

公开(公告)日：2023-03-02

申请号：US17790370

申请日：2020-12-07

Applicant: Nokia Technologies Oy

Inventor： Sebastian SCHWARZ ,  Kimmo ROIMELA ,  Lauri ILOLA ,  Lukasz KONDRAD

IPC: G06T9/00 ,  G06T17/20 ,  H04N13/388 ,  H04N19/597

Abstract: A method and technical equipment for encoding, where the method comprises at least receiving a video presentation frame, where the video presentation represents a three-dimensional data in the form of mesh data (810); separating from the mesh data information on vertices, wherein the information comprises at least connectivity data defining connections between vertices (820);
determining parameters relating to said connectivity data (830); encoding the parameters to a first bitstream as a video component (840); and storing the encoded first bitstream for transmission to a rendering apparatus (850). In addition to encoding, also decoding is disclosed.

公开(公告)号：US20230059516A1

公开(公告)日：2023-02-23

申请号：US17788811

申请日：2020-12-07

Applicant: Nokia Technologies Oy

Inventor： Sebastian SCHWARZ ,  Lukasz KONDRAD ,  Miska HANNUKSELA ,  Emre Baris AKSU ,  Lauri ILOLA

IPC: H04N19/597 ,  H04N19/29 ,  H04N19/179

Abstract: There are disclosed various methods, apparatuses and computer program products for video encoding and decoding. In some embodiments the method for video encoding comprises obtaining compressed volumetric video data representing a three-dimensional scene or object (71); capsulating the compressed volumetric video data into a data structure (72); obtaining data of a two-dimensional projection of at least a part of the three-dimensional scene as seen from a certain viewport (73); and including the data of the two-dimensional projection into the data structure (74).

公开(公告)号：US20210092444A1

公开(公告)日：2021-03-25

申请号：US17019591

申请日：2020-09-14

Applicant: Nokia Technologies Oy

Inventor： Lauri ILOLA ,  Kimmo ROIMELA ,  Vinod Kumar Malamal VADAKITAL ,  Jaakko KERANEN

IPC: H04N19/597 ,  H04N19/142 ,  H04N19/147 ,  H04N13/161

Abstract: Apparatuses, methods, and computer programs are disclosed to implement six degrees of freedom spatial layout signaling. An example apparatus includes at least one processor; and at least one non-transitory memory including computer program code; wherein the at least one memory and the computer program code are configured to, with the at least one processor, cause the apparatus at least to perform: segment a scene of volumetric video into one or more sequences, each sequence comprising one or more sub viewing volumes having one or more bitstream alternatives; generate viewing volume and view point indications within one or more dynamic adaptive streaming over hypertext transfer protocol media presentation description files; generate one or more sub volume scheme uniform resource identifiers for client side instructions to retrieve content; and provide one or more of the sub viewing volumes based on a client selection and request.

公开(公告)号：US20240406440A1

公开(公告)日：2024-12-05

申请号：US18580767

申请日：2022-07-15

Applicant: Nokia Technologies Oy

Inventor： Sebastian SCHWARZ ,  Lauri ILOLA ,  Christoph BACHHUBER ,  Lukasz KONDRAD

IPC: H04N19/597 ,  G06T9/00 ,  H04N19/46

Abstract: A method includes receiving a parameterized mesh, the mesh defining a shape and attributes of an object in three-dimensional space; compressing the mesh to generate a two-dimensional patch of the mesh; and signaling at least one of: projection plane changes within the patch to support patches wrapping around a three-dimensional model; separation of attribute and geometry patch level of detail scaling to support at least one high resolution attribute patch alongside at least one lower resolution geometry patch, reflecting at least one feature of at least one lower vertex count mesh; or separation of attribute and geometry patch orientation for image packing.

公开(公告)号：US20210218999A1

公开(公告)日：2021-07-15

申请号：US17140580

申请日：2021-01-04

Applicant: Nokia Technologies Oy

Inventor： Sebastian SCHWARZ ,  Lukasz KONDRAD ,  Emre AKSU ,  Lauri ILOLA ,  Vinod Kumar MALAMAL VADAKITAL ,  Miska Matias HANNUKSELA

IPC: H04N19/70 ,  H04N19/597

Abstract: An apparatus includes at least one processor; and at least one non-transitory memory including computer program code; wherein the at least one memory and the computer program code are configured to, with the at least one processor, cause the apparatus at least to perform: provide signal information to identify an atlas identifier on a sample of a volumetric media track, or on the volumetric media track in a multi-track container; wherein the signal information allows a file parser to link volumetric media tracks with different atlas identifiers that originate from a volumetric media elementary stream; and wherein the file parser is able to reconstruct the volumetric media elementary stream based on the signal information and data encapsulated in the multi-track container.

公开(公告)号：US20230050860A1

公开(公告)日：2023-02-16

申请号：US17789629

申请日：2020-12-07

Applicant: Nokia Technologies Oy

Inventor： Lauri ILOLA ,  Vinod Kumar MALAMAL VADAKITAL ,  Sebastian SCHWARZ ,  Kimmo ROIMELA ,  Lukasz KONDRAD

IPC: H04N13/388 ,  G06T17/20 ,  G06T15/04 ,  G06T5/00 ,  H04N19/597 ,  H04N19/70

Abstract: A method comprising: providing a 3D representation of at least one object as an input for an encoder (500); projecting the 3D representation onto at least one 2D patch (502); generating at least a geometry image and a texture image from the 2D patch (504); generating, based on the geometry image, a mesh comprising a number of vertices (506); mapping the number of vertices to two- dimensional (2D) coordinates of the texture image (508); and signalling said 2D coordinates of the texture image to be applied to the number of vertices of the mesh in or along a bitstream (510).

公开(公告)号：US20220094941A1

公开(公告)日：2022-03-24

申请号：US17480546

申请日：2021-09-21

Applicant: Nokia Technologies Oy

Inventor： Lukasz KONDRAD ,  Lauri ILOLA

IPC: H04N19/132 ,  H04N19/65 ,  H04N19/136

Abstract: An apparatus includes at least one processor; and at least one memory including computer program code; wherein the at least one memory and the computer program code are configured to, with the at least one processor, cause the apparatus at least to: provide an animation timing extension; wherein the animation timing extension links a graphics library transmission format animation to timed metadata and a metadata track of the timed metadata; wherein the metadata track of the timed metadata is listed with an object associated with moving picture media; and align at least one timeline of the moving picture media with at least one timeline of the graphics library transmission format animation; wherein a sample of the metadata track is used to manipulate an animation event.

公开(公告)号：US20210092430A1

公开(公告)日：2021-03-25

申请号：US17022188

申请日：2020-09-16

Applicant: Nokia Technologies Oy

Inventor： Sebastian Schwarz ,  Lukasz KONDRAD ,  Kimmo ROIMELA ,  Lauri ILOLA

IPC: H04N19/503 ,  H04N19/176 ,  G06T7/10 ,  H04N19/597

Abstract: Apparatuses, methods, and computer programs are disclosed to implement video-based cloud compression model to world signaling. An example apparatus includes at least one processor; and at least one non-transitory memory including computer program code; wherein the at least one memory and the computer program code are configured to, with the at least one processor, cause the apparatus at least to perform: provide first signaling information comprising information related to a world domain, wherein the world domain is a point cloud frame that is represented by a number of points in a first volumetric coordinate system; and provide second signaling information comprising information related to a conversion of a model domain to the world domain, wherein the model domain represents the point cloud frame by a number of points in a second volumetric coordinate system.

公开(公告)号：US20200381022A1

公开(公告)日：2020-12-03

申请号：US16878009

申请日：2020-05-19

Applicant: Nokia Technologies Oy

Inventor： Lauri ILOLA ,  Emre Baris Aksu ,  Miska Amtias Hannuksela ,  Sabastian Schwarz

IPC: G11B27/34 ,  H04N19/597 ,  H04N19/70 ,  G11B27/10

Abstract: A method, apparatus and computer program product are provided to signal and store compressed point clouds in video encoding. The method, apparatus and computer program product may be utilized in conjunction with a variety of video formats. Relative to encoding of compressed point clouds, the method, apparatus and computer program product access a point cloud compression coded bitstream and cause storage of the point cloud compression coded bitstream. The point cloud compression coded bitstream comprises a texture information bitstream, a geometry information bitstream, and an auxiliary metadata bitstream. Relative to the decoding of compressed point clouds, the method, apparatus and computer program product receive a point cloud compression coded bitstream and decode the point cloud compression coded bitstream.