Abstract: The present disclosure relates to an information processing device and method capable of suppressing an increase in processing load when randomly accessing scene descriptions. As update information for updating spatial arrangement information for arranging at least one 3D object in a 3D space, initial value reference difference information that is difference information which uses an initial value of the spatial arrangement information as a reference, or post-update information in which an update to the initial value reference difference information is reflected in the initial value of the spatial arrangement information, is generated. Then, an update file which stores the update information is generated, and the initial value reference difference information or the post-update information is stored in the update file as a random access point. The present disclosure can be applied in, for example, an information processing device, an information processing method, or the like.

Abstract: The present disclosure relates to an information processing apparatus and method capable of suppressing an increase in a load of a reproduction process. A scene description file that describes a scene of 3D object content is generated, the scene description file including information associated with Media Presentation Description (MPD) that stores metadata of the 3D object content distributed by using Moving Picture Experts Group Dynamic Adaptive Streaming over HTTP (MPEG DASH) and information regarding encoding of Representation included in Adaptation Set in the MPD. Furthermore, the scene description file is analyzed, the 3D object content to be decoded is selected on the basis of the information regarding the encoding of the Representation, and the encoded data of the selected 3D content is decoded. The present disclosure can be applied to, for example, an information processing apparatus, an information processing method, or the like.

Abstract: The present disclosure relates to an information processing device and method capable of inhibiting an increase in a load on reproduction processing. Scalable decoding information is generated on the basis of a depth of a slice in the G-PCC content and a dependency relation between slices and is stored in the metadata area of the content file that stores the G-PCC content. Further, on the basis of the scalable decoding information stored in the metadata area of the content file, any slice of the G-PCC content is extracted from the content file and is decoded. The present disclosure can be applied to, for example, an information processing device, an information processing method, or the like.

Abstract: The present disclosure relates to an information processing apparatus and method that allows a stream of sub-pictures to be more easily selected. A control file is generated that manages image encoded data for each of a plurality of sub-pictures into which an entire picture is divided and which is then encoded, the control file including region-related information related to a region in the entire picture corresponding to the sub-picture, as information different from arrangement information for each of picture regions, the control file being used for controlling distribution of the image encoded data. The present disclosure can be applied to, for example, an information processing apparatus, an image processing apparatus, an image encoding apparatus, a file generating apparatus, a file transmission apparatus, a distribution apparatus, a file reception apparatus, an image decoding apparatus, or a reproduction apparatus.

Abstract: The present technology relates to an image processing apparatus and a file generation apparatus that make it possible to appropriately reproduce a BV content. An image processing apparatus includes: a file acquisition unit that acquires a file having a management region where information for management of a 3D object content is stored and a data region where a track in which streams included in the 3D object content are stored is stored, group information for selection, from a plurality of the streams included in the 3D object content, of the stream appropriate for reproduction of the 3D object content being stored in the management region; and a file processor that selects a plurality of the streams to be used for reproduction of the 3D object content on the basis of the group information. The present technology is applicable to a client apparatus.

Abstract: The present disclosure relates to an information processing device and a method capable of more easily reproducing 3D data using spatial scalability. 2D data obtained by two-dimensionally converting a point cloud representing an object having a three-dimensional shape as a set of points and corresponding to spatial scalability is encoded, a bitstream including a sub-bitstream obtained by encoding the point cloud corresponding to a single or plurality of layers of the spatial scalability is generated, spatial scalability information regarding the spatial scalability of the sub-bitstream is generated, and a file that stores the bitstream generated and the spatial scalability information generated is generated. The present disclosure can be applied to, for example, an information processing device, an information processing method, or the like.

Abstract: A scene descriptive file describing a scene of 3D object content is generated, in the scene descriptive file, timed metadata identification information indicating that metadata of an associated external file changes in a time direction being stored in an MPEG_media extension, and timed metadata access information associating a camera object with the metadata being stored in the camera object. Furthermore, timed metadata that changes in the time direction is acquired on the basis of the timed metadata identification information and the timed metadata access information stored in the scene descriptive file, and a display image of the 3D object content is generated on the basis of the acquired timed metadata. The present disclosure is applicable to, for example, an information processing device, an information processing method, or the like.

Abstract: The present disclosure relates to an information processing apparatus and method capable of suppressing an increase in load of reproduction processing. To generate, by using tile identification information indicating a tile of a point cloud corresponding to a data unit of a bitstream of the point cloud expressing an object having a three-dimensional shape as a set of points, tile management information that is information for managing the tile corresponding to a subsample including a single or a plurality of consecutive data units of the bitstream stored as a sample in a file, and to generate the file that stores the bitstream and the tile management information. The present disclosure can be applied to, for example, an information processing apparatus, an information processing method, or the like.

Abstract: There is provided an information processing apparatus and an information processing method that can enhance the image quality while, at the same time, reducing increase in client's throughput. Image data of a plurality of projection directions is generated by projecting 3D data in a plurality of projection directions and converting the 3D data into two-dimensional data, and projection direction information indicating the projection direction of each piece of the image data is generated as projection metadata. Further, the projection direction information includes additional projection direction identification information that indicates that the image data has been generated by projection in additional projection directions. The present technology is applicable, for example, to a data generation apparatus that generates data for delivering a point cloud.

Abstract: A decrease in bit efficiency is suppressed. An information processing device includes an encoding unit (101) that encodes a picture including two or more subpictures to generate encoded data; a metadata generation unit (102) that generates subpicture mapping information including first size information of a first subpicture among the two or more subpictures and information that second size information of each of one or more second subpictures other than the first subpicture being considered the same as the first size information of the first subpicture; and a bitstream generation unit (103) that generates a bitstream including the encoded data and the subpicture mapping information.

Abstract: It is intended to achieve excellent supply of power to connection destination equipment. Electronic equipment includes a receptacle having a plurality of electric terminal sets. The electric terminal sets each include a first electric terminal for power, a second electric terminal for detection, and a third electric terminal for grounding. A configuration of an interface cable connected to the receptacle is identified on the basis of signals acquired from the second electric terminals of the plurality of electric terminal sets. Power is supplied to external equipment through the first electric terminals of some or all of the plurality of electric terminal sets in accordance with the identified cable configuration.

Abstract: There is provided an information processing apparatus and method capable of more easily comparing 3D objects. Comparison information which is information for displaying a plurality of 3D objects of 6DoF content in a comparable manner is generated. Further, the plurality of 3D objects of the 6DoF content is displayed in a comparable manner on the basis of comparison information which is information for displaying the plurality of 3D objects in a comparable manner. The present disclosure can be applied to, for example, an information processing apparatus, an information processing method, an information processing system, and the like.

Abstract: The present disclosure relates to an image processing apparatus and method that enable linking between a 3D spatial region and an atlas tile group. Link information is generated and signaled, in which the link information is stored in a file together with a bitstream of a point cloud expressing an object having a three-dimensional shape as a set of points, and the link information links a 3D spatial region of the point cloud with an atlas tile group. On the basis of the link information, the 3D spatial region and the atlas tile group that correspond to a desired three-dimensional space are selected. The present disclosure can be applied to, for example, an image processing apparatus, an information processing apparatus, an image processing method, an information processing method, or the like.

Abstract: There is provided an information processing apparatus, a reproduction processing apparatus, and an information processing method that improve data transmission efficiency. A preprocessing unit (102) generates, as scene configuration information indicating a configuration of a scene of 6DoF content including a three-dimensional object in a three-dimensional space, dynamic scene configuration information that changes over time and static scene configuration information that does not change over time, the static scene configuration information being scene configuration information different from the dynamic scene configuration information.

Abstract: The present disclosure relates to an information processing apparatus and an information processing method that are capable of distributing higher-quality G-PCC streams. When G-PCC streams obtained by encoding Point Cloud data according to G-PCC are generated, there are generated spatial positional information indicating spatial positions of respective pieces of partial Point Cloud data that represent individual parts into which the Point Cloud data is segmented, and grouping information that groups the partial Point Cloud data. The present technology is applicable to a generating apparatus that generates G-PCC streams, for example.

Abstract: There is provided an information processing apparatus and an information processing method that can enhance the image quality while, at the same time, reducing increase in client's throughput. Image data of a plurality of projection directions is generated by projecting 3D data in a plurality of projection directions and converting the 3D data into two-dimensional data, and projection direction information indicating the projection direction of each piece of the image data is generated as projection metadata. Further, the projection direction information includes additional projection direction identification information that indicates that the image data has been generated by projection in additional projection directions. The present technology is applicable, for example, to a data generation apparatus that generates data for delivering a point cloud.

Abstract: The present disclosure relates to an information processing apparatus and an information processing method that enable processing to be performed simply, and a program. By converting a point cloud representing a three-dimensional structure into two dimensions, a geometry image and a texture image, and three-dimensional information metadata required for constructing the geometry image and the texture image in three dimensions are obtained. Then, one PC sample included in a Point Cloud displayed at a specific time is generated by storing the geometry image, the texture image, and the three-dimensional information metadata in accordance with a playback order required at a time of reproducing and playing back the geometry image and the texture image in three dimensions on the basis of the three-dimensional information metadata. It is possible to apply to a data generation device that generates data for distribution of a Point Cloud.

Abstract: Provided are an information processing device, an information processing method, a reproduction processing device, and a reproduction processing method that reduce the amount of information and provide a viewer with a high-quality viewing experience. A preprocessing unit individually generates SubSample information used for decoding each of SubSamples, which are a plurality of component streams, in a content stream including the SubSamples. The file generation unit generates a file including the SubSamplel information generated by the preprocessing unit.

Abstract: There is provided an information processing apparatus and an information processing method that can enhance the image quality while, at the same time, reducing increase in client's throughput. Image data of a plurality of projection directions is generated by projecting 3D data in a plurality of projection directions and converting the 3D data into two-dimensional data, and projection direction information indicating the projection direction of each piece of the image data is generated as projection metadata. Further, the projection direction information includes additional projection direction identification information that indicates that the image data has been generated by projection in additional projection directions. The present technology is applicable, for example, to a data generation apparatus that generates data for delivering a point cloud.

Abstract: The present disclosure provides an information processing apparatus, information processing method, reproduction processing apparatus, and reproduction processing method, capable of providing a viewing experience that meets the viewer's requests. An encoding unit (121) encodes point cloud data in such a way as to have a phased hierarchical structure corresponding to a level of detail (LoD) indicating a level of quality to generate a bitstream being constituted of a data region including one or more geometry slices. A metadata generation unit (125) generates partial slice-specific information being used for specifying a correspondence of the LoD to a partial slice used as a partial region corresponding to the LoD in the geometry slice. A file creation unit (126) creates a file including the partial slice-specific information.