Abstract: The present disclosure relates to a decoding device, a decoding method, an encoding device, and an encoding method, which are capable of enabling a decoding side to accurately recognize a color gamut of an encoding target image. The decoding device includes circuitry configured to receive an encoded stream including encoded data of an image and color primary information indicating a coordinate of at least one color primary of the image. The circuitry extracts the encoded data and the color primary information from the received encoded stream. The circuitry decodes the encoded data to generate the image. Further, the circuitry adjusts a color space of the generated image based on the extracted color primary information. The present disclosure can be applied to, for example, a decoding device of a high efficiency video coding (HEVC) scheme.

Abstract: The present disclosure relates to an information processing device and a method thereof capable of more stably transmitting content data. Information regarding switching across first management units for managing a data group of same content of data to be reproduced is set in management information for managing reproduction of data of the content. The present disclosure is applicable to, for example, an information processing device, a file generation device, a distribution server, a reproduction terminal or the like.

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 processor that selects, from a plurality of streams included in a 3D object content, a plurality of the streams to be used for reproduction of the 3D object content on the basis of group information for selection of the stream appropriate for reproduction of the 3D object content, a file including the group information. The present technology is applicable to a client 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 a decoding device, a decoding method, an encoding device, and an encoding method, which are capable of enabling a decoding side to accurately recognize a color gamut of an encoding target image. The decoding device includes circuitry configured to receive an encoded stream including encoded data of an image and color primary information indicating a coordinate of at least one color primary of the image. The circuitry extracts the encoded data and the color primary information from the received encoded stream. The circuitry decodes the encoded data to generate the image. Further, the circuitry adjusts a color space of the generated image based on the extracted color primary information. The present disclosure can be applied to, for example, a decoding device of a high efficiency video coding (HEVC) scheme.

Abstract: The present technology relates to a reproduction device, a reproduction method, and a recording medium that enable content having a wide dynamic range of brightness to be displayed with an appropriate brightness. A recording medium, on which the reproduction device of one aspect of the present technology performs reproduction, records coded data of an extended video that is a video having a second brightness range that is wider than a first brightness range, brightness characteristic information that represents a brightness characteristic of the extended video, and brightness conversion definition information used when performing a brightness conversion of the extended video to a standard video that is a video having the first brightness range. The reproduction device decodes the coded data and converts the extended video obtained by decoding the coded data to the standard video on the basis of the brightness conversion definition information.

Abstract: A sound source setting section and a listening setting section are each configured to have a parameter setting section, a display section, and an arrangement relocation section on a placing surface of a placing table in real space, the arrangement relocation section allowing the source setting and listening sections to relocate on the placing surface. A reflecting member to which a reflecting characteristic is assigned is configured to be placeable on the placing table. A mixing process section performs a mixing process and also generates an image at the position, in a virtual space, of the sound source setting section relative to the listening setting section, the image having a texture indicative of a sound source assigned to the sound source setting section. Sound mixing with respect to a free listening point is thus performed easily.

Abstract: To resolve or at least reduce trouble related to mismatch between a dynamic range of an HDR video signal and peak luminance of a display. Provided is an image processing apparatus including: a transformation unit configured to transform image signals based on a signal scheme of fixedly handling a display luminance level of reference white into display signals by executing gamma transformation so that the display luminance level of the reference white is maintained using a parameter decided on a basis of a peak luminance level of a display.

Abstract: The present technology relates to a reproduction device, a reproduction method, and a recording medium that enable content having a wide dynamic range of brightness to be displayed with an appropriate brightness. A recording medium, on which the reproduction device of one aspect of the present technology performs reproduction, records coded data of an extended video that is a video having a second brightness range that is wider than a first brightness range, brightness characteristic information that represents a brightness characteristic of the extended video, and brightness conversion definition information used when performing a brightness conversion of the extended video to a standard video that is a video having the first brightness range. The reproduction device decodes the coded data and converts the extended video obtained by decoding the coded data to the standard video on the basis of the brightness conversion definition information.

Abstract: There is provided a decoding device including circuitry configured to receive coded data and conversion information, the coded data pertaining to an image having luminance in a first dynamic range and the conversion information pertaining to a conversion of dynamic range of the luminance of the image from the first dynamic range into a second dynamic range; and decode the received coded data so as to generate the image, wherein the conversion uses a knee function.

Abstract: There is provided an image processing apparatus and method, a file generation apparatus and method, and a program that enable a suitable occlusion image to be obtained. The image processing apparatus includes an MPD file processing unit configured to select an occlusion image to be acquired, on the basis of information regarding a viewpoint position of the occlusion image included in an MPD file, from among a plurality of the occlusion images indicated by the MPD file. The present technology can be applied to a client device.

Abstract: An image processing apparatus and an image processing method to preferably transmit/receive or display high dynamic range images. In an image transmission system implementation, metadata is transmitted, the metadata storing information such as peak luminance, color gamut and optical-electro transfer or other characteristics of high dynamic range (HDR) content. An image receiving apparatus utilizes the metadata to perform dynamic range conversion using the metadata to adapt its display to display the HDR content.

Abstract: The present disclosure relates to an information processing apparatus and an information processing method, and a program that can signal region information of a full sphere picture in a more variety of projection formats. The region information expresses a region on a spherical surface by signaling a plurality of vertexes on the spherical surface and by connecting the vertexes by shortest distances on the spherical surface. Alternatively, the region information expresses a region on a spherical surface by signaling surface regions in accordance with a number of surfaces, the surface regions being formed by signaling a plurality of vertexes on the spherical surface and by connecting the vertexes by shortest distances on the spherical surface. The present technology is applicable to a distribution system that performs network distribution of the full sphere picture by MPEG-DASH, for example.

Abstract: There is provided an information processing device and method that enable seamless reproduction of streams at different frame rates. A frame rate reduction processing unit generates images at a plurality of different low frame rates from an input image. A single frame rate conversion unit converts the images at the plurality of different low frame rates, which are generated by the frame rate reduction processing unit, to images at a single frame rate. A compression encoding unit encodes the images at the single frame rate obtained through conversion by the single frame rate conversion unit. The present disclosure is applicable to a distribution system including a file generation device, a distribution server, and a reproduction terminal, for example.

Abstract: The present technology relates to a reproduction device, a reproduction method, and a recording medium that enable content having a wide dynamic range of brightness to be displayed with an appropriate brightness. A recording medium, on which the reproduction device of an aspect of the present technology performs reproduction, records coded data of an extended video that is a video having a second brightness range that is wider than a first brightness range, brightness characteristic information that represents a brightness characteristic of the extended video, and brightness conversion definition information used when performing a brightness conversion of the extended video to a standard video that is a video having the first brightness range.

Abstract: The present technology relates to an image processing device and a method and a program capable of suppressing disharmony during switching of moving images more easily. An image processing device includes: a moving image generating unit that generates moving image data of a transition moving image in which display transitions from a prescribed frame to a second moving image on the basis of the prescribed frame that forms a first moving image and moving image data of the second moving image in a case where display is switched from the first moving image to the second moving image. The present technology can be applied to a client apparatus.

Abstract: The present technology relates to a reproduction device, a reproduction method, and a recording medium that enable content having a wide dynamic range of brightness to be displayed with an appropriate brightness. A recording medium, on which the reproduction device of an aspect of the present technology performs reproduction, records coded data of an extended video that is a video having a second brightness range that is wider than a first brightness range, brightness characteristic information that represents a brightness characteristic of the extended video, and brightness conversion definition information used when performing a brightness conversion of the extended video to a standard video that is a video having the first brightness range.

Abstract: The present disclosure relates to a file generation device, a file generation method, a reproducing device, and a reproducing method capable of identifying images used for generating an omnidirectional image. An MPD file generation section sets identification information for identifying captured images used for generating an omnidirectional image generated by mapping the captured images onto a 3D model. The present disclosure is applicable to a file generation device or the like generating segment files of an omnidirectional image delivered using, for example, MPEG-DASH (Moving Picture Experts Group phase-Dynamic Adaptive Streaming over HTTP).

Abstract: A sound source setting section and a listening setting section are each configured to have a parameter setting section, a display section, and an arrangement relocation section on a placing surface of a placing table in real space, the arrangement relocation section allowing the source setting and listening sections to relocate on the placing surface. A reflecting member to which a reflecting characteristic is assigned is configured to be placeable on the placing table. A mixing process section performs a mixing process and also generates an image at the position, in a virtual space, of the sound source setting section relative to the listening setting section, the image having a texture indicative of a sound source assigned to the sound source setting section. Sound mixing with respect to a free listening point is thus performed easily.

Abstract: There is provided a decoding device including circuitry configured to receive coded data and conversion information, the coded data pertaining to an image having luminance in a first dynamic range and the conversion information pertaining to a conversion of dynamic range of the luminance of the image from the first dynamic range into a second dynamic range; and decode the received coded data so as to generate the image, wherein the conversion uses a knee function.