Abstract: Some embodiments relate to a method comprising receiving by a sender device omnidirectional video content for encoding; obtaining information of a viewport of a receiver device; obtaining information of a margin region outside the viewport; obtaining a margin update threshold parameter defining a threshold region within the margin region; based on the information of the viewport and the margin update threshold parameter determining whether to change the margin region; encoding the omnidirectional video content within the viewport with a first quality; encoding the omnidirectional video content within the margin region with a quality not higher than the first quality; and encoding the omnidirectional video content outside the viewport and the margin region with a third quality lower than the first quality and the quality of the margin region.

Abstract: A method for packing a frame of immersive or omnidirectional content may include: determining one or more head motion statistics for rendering and packing immersive or omnidirectional content; determining a classification of a head motion based, at least partially, on the one or more determined head motion statistics; determining resolution(s) and/or a packing scheme based on determined viewport change rate, extent, change prediction/frequency, etc., as summarized by FIG. 6. If there is little or no head motion, the majority of a frame may be packed with high quality and resolution content of the viewport. If there is a greater amount of head motion, a smaller portion of the frame may be packed with high quality and resolution content of the viewport, and medium/low resolution content may be included with the frame that is associated with non-viewport content.

Abstract: The embodiments relate to a method and technical equipment for implementing the method. The method comprises receiving an omnidirectional video; determining a marker identifying a viewport for a client device; determining a region of the omnidirectional video frame based, at least partially, on the viewport; encoding the determined region with a marker for synchronized operation between the client device and a server; packetizing the encoded region; and transmitting the packetized region to the client device.

Abstract: A method and a network-based media processing source, including: generating a workflow description; generating, for a workflow manager, a container file or a manifest or a bit stream, which container file or manifest or bit stream comprises the workflow description; and including in the workflow description an authentication and authorization descriptor that defines desired authentication methods desired by the network-based media processing source for subsequent authenticating a media source to the workflow manager. The workflow manager performs: receiving from a network-based media processing source a workflow description; and determining, from the container file or a manifest or a bit stream, a workflow description that comprises an authentication and authorization descriptor that indicates desired authentication methods authenticating a media source to the workflow manager.

Abstract: A method comprising obtaining a 360-degree video content from a video source; projecting the 360-degree video content onto a 2D image plane; dividing the projected 360-degree video content into a plurality of regions, wherein the regions are partly overlapping and each region covers a region of the 360-degree video content suitable for a viewport presentation; receiving a request for a viewport orientation of the 360-degree video content from a client; and providing the client with an viewport presentation of the region corresponding to the requested viewport orientation.

Abstract: There is disclosed an apparatus and a method for spatial computing service session description for volumetric XR conversation. In accordance an embodiment the method comprises receiving volumetric video from a plurality of sources, the volumetric video data comprising color images and depth images representing at least a part of a scene; determining which of the plurality of sources belong to a same group; selecting a group identifier for the group; associating the volumetric video with the group identifier indicative of from which group the volumetric video data is received; associating the volumetric video with a source identifier indicative of from which source of the group the volumetric video data is received; associating the color image of the volumetric video with a color data identifier; and associating the depth image of the volumetric video with a depth data identifier.

Abstract: In accordance with example embodiments of the invention there is at least one method and apparatus to perform assigning, by a network device, a step descriptor to at least one segment split of a workflow comprising at least one data input instance from at least one network node; and sending at least one sub-flow of the workflow based on the at least one segment split towards at least one queued task for communication processing, wherein the communication processing is based at least on the step descriptor assigned to the at least one segment split.

Abstract: The embodiments relate to a method comprising establishing a three-dimensional conversational interaction with one or more receivers; generating a pointcloud relating to a user and capturing audio from one or more audio source; generating conversational scene description comprising at least a first dynamic object describing a virtual space for the three-dimensional conversational interaction, wherein the first dynamic object refers to one or more objects specific to the three-dimensional conversational interaction, wherein said one or more objects comprises at least data relating to transformable pointcloud; audio obtained from said one or more audio source and input obtained from one or more connected devices controlling at least the pointcloud, wherein said objects are linked to each other for seamless manipulation; applying the conversational scene description into a metadata, and transmitting the metadata with the respective audio in realtime to said one or more receivers.

Abstract: A method for packing a frame of immersive or omnidirectional content may include: determining one or more head motion statistics for rendering and packing immersive or omnidirectional content; determining a classification of a head motion based, at least partially, on the one or more determined head motion statistics; determining resolution(s) and/or a packing scheme based on determined viewport change rate, extent, change prediction/frequency, etc., as summarized by FIG. 6. If there is little or no head motion, the majority of a frame may be packed with high quality and resolution content of the viewport. If there is a greater amount of head motion, a smaller portion of the frame may be packed with high quality and resolution content of the viewport, and medium/low resolution content may be included with the frame that is associated with non-viewport content.

Abstract: A method comprising: obtaining omnidirectional video media content (800); determining adominant axis for a viewport representation (802); and encoding the omnidirectional video media content by aligning a yaw axis of the omnidirectional video media content with the dominant axis of the viewport representation (804).

Abstract: Methods and apparatuses are provided to improve streaming of data by providing efficient media ingress and egress. A method may include sending a plurality of stream registration requests for streams to stream data. The method may also include receiving a plurality of stream addresses. The method may further include establishing a plurality of data links with the plurality of transmission endpoints, and establishing a new data link with a new transmission endpoint according to changing conditions affecting a user equipment, while preserving the same data streams for streaming the data.

Abstract: According to an example aspect of the present invention, there is provided a method, comprising receiving from a source entity a workflow description for network based media processing (200), determining encryption requirements on the basis of an encryption descriptor in the workflow description, the encryption descriptor comprising information indicative of one or more encryption methods and at least one prioritized encryption method (210), and selecting, on the basis of the encryption descriptor, an encryption method for protecting data for at least one task of a media processing workflow generated on the basis of the workflow description (220).

Abstract: Some embodiments relate to a method comprising receiving by a sender device omnidirectional video content for encoding; obtaining information of a viewport of a receiver device; obtaining information of a margin region outside the viewport; obtaining a margin update threshold parameter defining a threshold region within the margin region; based on the information of the viewport and the margin update threshold parameter determining whether to change the margin region; encoding the omnidirectional video content within the viewport with a first quality; encoding the omnidirectional video content within the margin region with a quality not higher than the first quality; and encoding the omnidirectional video content outside the viewport and the margin region with a third quality lower than the first quality and the quality of the margin region.

Abstract: Various embodiments provide an apparatus, a method, and a computer program product. The 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: define one or more task group types, wherein the one or more task group types comprise one or more of: a first at least one task group which enables executing a workflow comprising one or more tasks in the first at least one task group in a synchronous mode; and a second at least one task group which enables executing a sub-workflow or another workflow including the at least one task in the second at least one task group in an asynchronous mode.

Abstract: An apparatus comprising: at least one processor; and at least one non-transitory memory storing instructions that, when executed by the at least one processor, cause the apparatus at least to: transmit a pose and interactivity stream to a server, the pose and interactivity stream comprising data based on information obtained from at least one sensor; determine a validity of the pose and interactivity stream, the validity comprising at least one criterion for which the data within the pose and interactivity stream is considered valid; signal at least one parameter that defines the validity of the pose and interactivity stream; and signal a current state of the validity of the pose and interactivity stream.

Abstract: The embodiments relate to a method and technical equipment for implementing the method.

Abstract: An apparatus includes circuitry configured to: process media, the processing having an input and an output; determine a value of a mode to process the data, the value of the mode set to either push or pull; wherein the mode is added to an input descriptor or an output descriptor, and the mode functions with a protocol together in the input descriptor and the output descriptor; determine, for the input, when the value of the mode is set to push, that the data is pushed to the input, otherwise when the value of the mode is set to pull, that the data is pulled with the input; and determine, for the output, when the value of the mode is set to push, that the data is pushed from the output, otherwise when the value of the mode is set to pull, that the data is pulled from the output.

Abstract: Feature information is received from a client device and describes extended reality scene(s) in an extended reality (ER) environment at the client device. An ER description is formed in an ER description format corresponding to the feature information and is stored. Some of the stored ER description format is provided in a representational format upon request of the client device or other client devices viewing the one or more ER scenes and assisting the positioning of corresponding client devices in the ER environment. A client device captures environmental visual data and generates feature information, describing ER scene(s) in an extended reality environment at the client device, from the environmental visual data, and sends the generated feature information toward a server. A client device can localize itself in a 3D environment of an ER description, and generate ER anchors and objects, link them, and send them to a server.

Abstract: There is disclosed an apparatus and a method for spatial computing service session description for volumetric XR conversation. In accordance an embodiment the method comprises receiving volumetric video from a plurality of sources, the volumetric video data comprising color images and depth images representing at least a part of a scene; determining which of the plurality of sources belong to a same group; selecting a group identifier for the group; associating the volumetric video with the group identifier indicative of from which group the volumetric video data is received; associating the volumetric video with a source identifier indicative of from which source of the group the volumetric video data is received; associating the color image of the volumetric video with a color data identifier; and associating the depth image of the volumetric video with a depth data identifier.

Abstract: A user equipment, media control unit, media resource function, or another device or function capable of receiving, manipulating, and transmitting data may be configured to: receive an omnidirectional video; determine a viewport of a user equipment; determining a delivery mode; determine a region of the omnidirectional video based, at least partially, on the determined viewport and the determined delivery mode; encode the determined region; packetizing the encoded region; and transmit the packetized region to the user equipment based, at least partially, on the determined delivery mode.