Abstract: There is provided an image coding apparatus including: circuitry configured to set a correspondence relationship between resolution information and an enhancement layer, in a case where the number of the layers is greater than the number of multiple candidates for the resolution information on a layer of an image; and code the image and generate a bitstream including information relating to the set correspondence relationship.

Abstract: The present technology relates to an encoding apparatus and an encoding method as well as a decoding apparatus and a decoding method that make it possible to improve the compression efficiency. The encoding apparatus transmits reduction filter information that reduces tap coefficients for individual ones of a plurality of classes determined by learning that uses a student image equivalent to a first image obtained by addition of a residual of prediction encoding and a prediction image and a teacher image equivalent to an original image corresponding to the first image. The decoding apparatus accepts the reduction filter information and performs prediction arithmetic operation using tap coefficients obtained using the reduction filter information to perform a filter process for the first image to generate a second image. The present technology can be applied, for example, an encoding apparatus and a decoding apparatus of an image.

Abstract: The present technique relates to a decoding device and a decoding method, and an encoding device and an encoding method, capable of performing encoding and decoding independently in the time direction for each tile. A decoding unit generates a prediction image by performing, for each of tiles, motion compensation of a reference image within a co-located tile based on tile splittable information indicating that decoding is allowed for each of the tiles and motion vector information representing a motion vector used for generating encoded data of a decoding target current image when a picture of the current image is split into the tiles and decoded. The decoding unit decodes the encoded data using the prediction image. The present technique is applicable to a decoding device, for example.

Abstract: The present technology relates to an information processing device and a method capable of adaptively providing a partial image of an image in each layer of an image constituted by a plurality of layers. The information processing device of the present technology generates a file that stores information on a whole of a base layer of encoded data produced by layer encoding of image data, information on each of partial areas of an image of the base layer, information on a whole of an enhancement layer of the encoded data, and information on each of partial areas of an image of the enhancement layer such that each of the information is stored in corresponding one of tracks different from each other. The present technology is applicable to an information processing device, an image processing device, an image encoding device, or an image decoding device, for example.

Abstract: The present disclosure relates to an image processing apparatus and method capable of suppressing a decrease in the coding efficiency. A residual predicting unit that performs a prediction with bit depths of residual data arranged to be uniform among components when the prediction is performed among the components for the residual data between an input image configured by a plurality of the components and a predicted image and a coding unit that codes predicted residual data generated through the prediction performed by the residual predicting unit are included. The present disclosure, for example, may be applied to an image processing apparatus such as an image coding apparatus that codes image data or an image decoding apparatus that decodes coded data acquired by performing coding of the image data.

Abstract: The present disclosure relates to an image processing device and method that enable suppression of an increase in the amount of coding of a quantization matrix. An image processing device of the present disclosure includes an up-conversion unit configured to up-convert a quantization matrix limited to a size less than or equal to a transmission size that is a maximum size allowed for transmission, from the transmission size to a size that is identical to a block size that is a processing unit of quantization or dequantization. The present disclosure is applicable to, for example, an image processing device for processing image data.

Abstract: There is provided an image processing apparatus including a an acquiring unit for acquiring moving image data containing a plurality of successive frames, and one or a plurality of image data corresponding to the frames and having a spatial resolution higher than the frames; a motion prediction unit for detecting a motion vector between the frames using the moving image data; a difference amount calculation unit for calculating a difference amount between a predetermined frame and the frame corresponding to the image data; and an image generation unit capable of generating motion compensated image data corresponding to the predetermined frame based on the frame corresponding to the image data and the motion vector.

Abstract: Aspects of the present disclosure provide an image processing device that includes circuitry configured to perform a decoding process on an encoded stream for generating an image. The encoded stream is arranged into largest coding units (LCUs), and filtering parameters applicable to each LCU are provided at a beginning portion of the corresponding LCU. The circuitry is further configured to perform adaptive offset filtering on portions of the image that correspond to the LCUs using the filtering parameters set at the beginning portions of the LCUs, respectively.

Abstract: There is provided a generation device, an identification information generation method, a reproduction device, and an image reproduction method capable of identifying a packing scheme. Stereo packing identification information for identifying a scheme of packing is generated with regard to a plurality of region images of a celestial sphere image packed in a packed frame. In a case in which packing is performed by one of a plurality of packing schemes, stereo packing identification information indicating a packing method can be generated, a projected frame can be generated easily on the basis of the identification information, and the projected frame can be rendered. The present technology can be applied to a case in which a celestial sphere stereoscopic image is transmitted to be reproduced on a reception side.

Abstract: There is provided an image processing apparatus and an image processing method in which S/N can be improved. A class tap selection unit configures a class tap by selecting a pixel that is a class tap used in class classification of classifying a pixel to be processed of a first image obtained by adding a residual error of prediction encoding and a prediction image together, into any one class of a plurality of classes, from the first image. A class classification unit performs the class classification of the pixel to be processed by using the class tap, and a filter processing unit performs filter processing corresponding to class of the pixel to be processed, with respect to the first image, to generate a second image used in prediction of the prediction image. The class tap selection unit updates a tap structure of the class tap to a selected tap structure.

Abstract: Aspects of the present disclosure provide an image processing device that includes circuitry configured to perform a decoding process on an encoded stream for generating an image. The encoded stream is arranged into largest coding units (LCUs), and filtering parameters applicable to each LCU are provided at a beginning portion of the corresponding LCU. The circuitry is further configured to perform adaptive offset filtering on portions of the image that correspond to the LCUs using the filtering parameters set at the beginning portions of the LCUs, respectively.

Abstract: The present disclosure relates to an image processing device and method that enable suppression of an increase in the amount of coding of a quantization matrix. An image processing device of the present disclosure includes an up-conversion unit configured to up-convert a quantization matrix limited to a size less than or equal to a transmission size that is a maximum size allowed for transmission, from the transmission size to a size that is identical to a block size that is a processing unit of quantization or dequantization. The present disclosure is applicable to, for example, an image processing device for processing image data.

Abstract: The present technology relates to an encoding apparatus and an encoding method as well as a decoding apparatus and a decoding method that make it possible to appropriately improve the compression efficiency. A prediction tap selection section selects a pixel that becomes a prediction tap from a first image, and a classification section classifies the noticed pixel into one of a plurality of classes. A coefficient acquisition section acquires a tap coefficient of the class of the noticed pixel from tap coefficients, and an arithmetic operation section performs prediction operation using the tap coefficient of the class of the noticed pixel and the prediction tap of the noticed pixel to determine a pixel value of a corresponding pixel, which corresponds to the noticed pixel, of a second image that is used for prediction of a predicted image. Further, reduction coefficients and a transform coefficient are transmitted.

Abstract: The present disclosure relates to an information processing device and information processing method capable of recognizing an acquisition position of voice data on an image. A web server transmits image frame size information indicating image frame size of image data and audio position information indicating acquisition position of voice data. The present disclosure is applicable to an information processing system or other like system including file generation device, web server, and video playback terminal to perform tiled streaming using a manner compliant with moving picture experts group phase-dynamic adaptive streaming over HTTP (MPEG-DASH).

Abstract: There is provided an image processing apparatus and an image processing method that are capable of inhibiting increase of a load of decoding. Metadata extracted from coded data of a moving image is updated in accordance with coded data of a partial area of the moving image extracted from the coded data of the moving image. For example, slice-basis metadata corresponding to each slice included in the partial area is updated. The present disclosure can be applied to, for example, an image processing apparatus, a data conversion apparatus, an image coding apparatus, an image decoding apparatus, a communication apparatus, and the like.

Abstract: The present invention relates to an image processing apparatus and method that can improve encoding efficiency while preventing an increase in load. An extraction circuit 71 of a filtering prediction circuit 64 extracts motion compensation images for generating a prediction image in a high-resolution enhancement layer from reference frames in a low-resolution base layer. A filtering circuit 72 of the filtering prediction circuit 64 performs filtering, which involves upconversion and which uses analysis in the time direction, on a plurality of motion compensation images in the base layer extracted by the extraction circuit 71 to generate a prediction image in the enhancement layer. The present invention can be applied to, for example, an encoding apparatus and a decoding apparatus.

Abstract: There is provided a generation device, an identification information generation method, a reproduction device, and an image generation method capable of easily acquiring a region with a margin and a region with no margin. An identification information generation unit generates margin identification information for identifying that a celestial sphere image includes a region with a margin. A client that uses a margin can easily acquire a region including the margin and a client that does not use a margin can easily acquire a region including no margin. The present technology can be applied to a case in which a celestial sphere image is transmitted from a server and is received and reproduced on a client side.

Abstract: There is provided an image processing device and an image processing method making it possible to suppress a reduction in coding efficiency. The image processing device and the image processing method set temporal resolution for each of partial regions of image data to be coded and code the image data to generate a bit stream including information indicating the temporal resolution for each of the set partial regions. Alternatively, the image processing device and the image processing method analyze information indicating temporal resolution for each of partial regions of image data, the information being included in a bit stream in which the image data is coded. The present disclosure is applicable to, for example, image processing devices, bit stream conversion devices, image coding devices, image decoding devices, communication devices, or the like.

Abstract: The present technique relates to a decoding device and a decoding method, and an encoding device and an encoding method, capable of performing encoding and decoding independently in the time direction for each tile. A decoding unit generates a prediction image by performing, for each of tiles, motion compensation of a reference image within a co-located tile based on tile splittable information indicating that decoding is allowed for each of the tiles and motion vector information representing a motion vector used for generating encoded data of a decoding target current image when a picture of the current image is split into the tiles and decoded. The decoding unit decodes the encoded data using the prediction image. The present technique is applicable to a decoding device, for example.

Abstract: The present invention relates to image processing device and method which can suppress block noise. A filter strength determination unit determines the filter strength for every four lines under the control of a control unit. In other words, if a block boundary determination unit has determined to perform filtering, the filter strength determination unit determines at which strength of the strong filter or the weak filter the filtering process is performed, and outputs the determination result to a filter calculation unit. On this occasion, the filter strength determination unit uses the Bs value in the determination formula of the strong filter. For example, in the case of using the Bs value, the threshold of the determination is set in accordance with a linear function of the Bs value from the control unit. The present disclosure can be applied to, for example, an image processing device.