Methods and/or apparatus provide for obtaining intrinsics and extrinsics of a plurality of cameras arranged to capture a scene and based thereon, generate a voxel representation of the scene; obtaining extrinsics and intrinsics of a virtual camera; mapping the extrinsics and intrinsics of the virtual camera to at least one voxel surface defined in a data structure and to identify at least one camera pair suitable for obtaining depth data for that voxel surface based on the corresponding camera pair identifier; and receiving an input from the mapping unit, and in response obtaining images captured by the cameras in the at least one camera pair identified as being suitable for reconstructing the scene from the viewpoint of the virtual camera, and to generate an image of the scene from the viewpoint of the virtual camera based on the obtained images.

Saliency regions are identified in a global scene depicted by volumetric video. Saliency video streams that track the saliency regions are generated. Each saliency video stream tracks a respective saliency region. A saliency stream based representation of the volumetric video is generated to include the saliency video streams. The saliency stream based representation of the volumetric video is transmitted to a video streaming client.

Saliency regions are identified in a global scene depicted by volumetric video. Saliency video streams that track the saliency regions are generated. Each saliency video stream tracks a respective saliency region. A saliency stream based representation of the volumetric video is generated to include the saliency video streams. The saliency stream based representation of the volumetric video is transmitted to a video streaming client.

Techniques are described for using the Advanced Television Systems Committee (ATSC) 3.0 television protocol to deliver volumetric information for presentation on various displays using ATSC over-the-air communications channels.

Techniques are described for using the Advanced Television Systems Committee (ATSC) 3.0 television protocol to deliver volumetric information for presentation on various displays using ATSC over-the-air communications channels.

Provided is a method for realizing 3D display, comprising: acquiring an image having eye space information of a user; acquiring eye positions of the user according to the image having the eye space information of the user and by means of a displacement sensor that operates independently relative to a main control chip of a 3D display terminal; and generating 3D display content according to a to-be-displayed image and the eye positions of the user. According to the present disclosure, the displacement sensor that operates independently relative to a main control chip of a 3D display terminal is used to directly process the acquired image having eye space information of a user, instead of processing the image by means of the main control chip of the 3D display terminal. Further provided are an apparatus for realizing 3D display and a 3D display terminal.

Provided is a method for realizing 3D display, comprising: acquiring an image having eye space information of a user; acquiring eye positions of the user according to the image having the eye space information of the user and by means of a displacement sensor that operates independently relative to a main control chip of a 3D display terminal; and generating 3D display content according to a to-be-displayed image and the eye positions of the user. According to the present disclosure, the displacement sensor that operates independently relative to a main control chip of a 3D display terminal is used to directly process the acquired image having eye space information of a user, instead of processing the image by means of the main control chip of the 3D display terminal. Further provided are an apparatus for realizing 3D display and a 3D display terminal.

There are disclosed various methods, apparatuses and computer program products for viewing volume signalling of volumetric video. In accordance with an embodiment of a method information of a viewing volume appropriate for viewing a volumetric video is obtained. The viewing volume is examined to determine what geometrical shapes describe the viewing volume. One or more geometrical shapes determined for describing the viewing volume are selected, wherein signalling information for the selected one or more geometrical shapes is constructed.

There are disclosed various methods, apparatuses and computer program products for viewing volume signalling of volumetric video. In accordance with an embodiment of a method information of a viewing volume appropriate for viewing a volumetric video is obtained. The viewing volume is examined to determine what geometrical shapes describe the viewing volume. One or more geometrical shapes determined for describing the viewing volume are selected, wherein signalling information for the selected one or more geometrical shapes is constructed.

Position based media pipeline systems and methods for volumetric displays provide content to a volumetric display having at least two pixels arranged in a 3D coordinate space. A three-dimensional (3D) pixel position dataset and a 3D animation are provided and a first volume representation based on the 3D animation is created. A second volume is created based on the first volume and including color data. A texture atlas is assembled based on the second volume and volumetric image data is generated based on the texture atlas. The position based media pipeline outputs the volumetric image data to one or more graphic controllers. The volumetric image data can be output whereby a user can preview the volumetric image data in addition to output to the volumetric display.