Abstract: The present technology relates to a decoding device and a decoding method, and an encoding device and an encoding method that enable images that configure a packed image to be reliably displayed when an encoded stream is decoded and displayed. A decoding unit decodes an encoded data, the encoded data being an encoded packed image in which a plurality of images is packed, and generates the packed image. A display control unit identifies the images that configure the packed image based on packing SEI preferentially used when the packed image is displayed. The present technology can be applied to a decoding device, for example.

Abstract: The present technique relates to an image processing device and method capable of suppressing a decrease in encoding efficiency. The image processing device includes: a predictive vector generating unit that generates a predictive vector of a current parallax vector of a current block used in prediction using correlation in a parallax direction using a reference parallax vector referred when generating a predictive motion vector, when encoding the current parallax vector; and a difference vector generating unit that generates a difference vector between the current parallax vector and the predictive vector generated by the predictive vector generating unit. The present disclosure can be applied to an image processing device.

Abstract: The present technology relates to an encoding device, an encoding method, a decoding device, and a decoding method capable of improving the coding efficiency of an image of a plurality of viewpoints. A motion parallax prediction/compensation unit sets first image specifying information specifying a first image of a viewpoint present in a first direction from a viewpoint of a current coding image and second image specifying information specifying a second image of a viewpoint present in a second direction opposite to the first direction in a list (L0) in first order and sets the first image specifying information and the second image specifying information in a list (L1) in second order that is different from the first order. The motion parallax prediction/compensation unit and a calculation unit generate coded data by coding the current coding image based on the lists (L0 and L1). The present technology, for example, can be applied to an encoding device that codes a 3D image and the like.

Abstract: Provided is an image processing device including a reception section configured to receive an encoded stream set in syntax of the encoded stream in which motion vector (MV) range limit information is encoded in units in which image data have a hierarchical structure and the MV range limit information, the MV range limit information being information about a limit of a value of a vertical direction of an MV for referring to a view different from a view of a current block in an inter-view MV corresponding to the current block, and a decoding section configured to decode the encoded stream received by the reception section using the MV range limit information received by the reception section.

Abstract: A surgical image processing apparatus, including circuitry that is configured to perform image recognition on an intraoperative image of an eye. The circuitry is further configured to determine a cross-section for acquiring a tomographic image based on a result of the image recognition.

Abstract: The present technology relates to a decoding device and a decoding method, and an encoding device and an encoding method that enable images that configure a packed image to be reliably displayed when an encoded stream is decoded and displayed. A decoding unit decodes an encoded data, the encoded data being an encoded packed image in which a plurality of images is packed, and generates the packed image. A display control unit identifies the images that configure the packed image based on packing SEI preferentially used when the packed image is displayed. The present technology can be applied to a decoding device, for example.

Abstract: The present technology relates to a decoding device and a decoding method, and an encoding device and an encoding method that enable images that configure a packed image to be reliably displayed when an encoded stream is decoded and displayed. A decoding unit decodes an encoded data, the encoded data being an encoded packed image in which a plurality of images is packed, and generates the packed image. A display control unit identifies the images that configure the packed image based on packing SEI preferentially used when the packed image is displayed. The present technology can be applied to a decoding device, for example.

Abstract: An image processing device including a predicted vector generation section configured to generate a predicted vector for use in encoding of a motion vector (MV) of a current block by scaling the MV of a reference block, which is a block of a position shifted from a position of the current block in an image of a different view, by a disparity obtained from a periphery of the current block in an image of a non-base view according to a reference destination of the current block and a reference destination of the reference block, an MV encoding section configured to encode the MV of the current block using the predicted vector generated by the predicted vector generation section, and an encoding section configured to generate an encoded stream by encoding the image in units having a hierarchical structure.

Abstract: The present disclosure relates to an image processing device and an image processing method capable of reducing a processing amount. A selection unit selects a plurality of reference pictures having mutually-different reference picture types from reference pictures represented by reference picture specifying information included in a reference list based on restriction identification information identifying that the reference list that is a list of reference picture specifying information specifying reference pictures of a current picture is used commonly within the current picture. A predicted image generating unit generates a predicted image of the current picture based on a motion vector of a collocated picture of time different from that of the current picture and a reference picture of a same reference picture type as a reference picture type of the collocated picture among the plurality of reference pictures selected by the selection unit.

Abstract: The present technique relates to an image processing device and method capable of suppressing a decrease in encoding efficiency. The image processing device includes: a predictive vector generating unit that generates a predictive vector of a current parallax vector of a current block used in prediction using correlation in a parallax direction using a reference parallax vector referred when generating a predictive motion vector, when encoding the current parallax vector; and a difference vector generating unit that generates a difference vector between the current parallax vector and the predictive vector generated by the predictive vector generating unit. The present disclosure can be applied to an image processing device.

Abstract: The present technique relates to an image processing device and method capable of suppressing a decrease in encoding efficiency. The image processing device includes: a predictive vector generating unit that generates a predictive vector of a current parallax vector of a current block used in prediction using correlation in a parallax direction using a reference parallax vector referred when generating a predictive motion vector, when encoding the current parallax vector; and a difference vector generating unit that generates a difference vector between the current parallax vector and the predictive vector generated by the predictive vector generating unit. The present disclosure can be applied to an image processing device.

Abstract: Provided is an image processing device including a control information setting unit that sets control information for controlling whether to use a vector of a base view as a candidate for a prediction vector of a dependent view in motion prediction at a time of encoding a multi-view image, an IVMP processing unit that performs, when the vector view is set as a candidate according to the control information, IVMP processing for setting the vector as a candidate for a prediction vector of a current block of the dependent view, a list generation unit that generates a list of candidates for the prediction vector of the current block, and when there is a candidate generated by the IVMP processing unit and including the vector of the base view, add the candidate to the list, and a transmission unit that transmits the control information.

Abstract: An image processing device and an image processing method capable of improving the coding efficiency in multi-viewpoint coding, the image processing device being configured to generate a temporal list (RefPicListTemp0[rIdx]) of L0 in order of short-term (before) reference images of indexes 0 and 1, inter-view reference images of indexes 0 to 3, short-term (after) reference images of indexes 0 and 1, and a long-term reference image of index 0. In such a case, according to num_ref_idx_l0_active_minus1=4, a reference list of L0 is generated in order of the short-term (before) reference image of index 0 and the inter-view reference images of indexes 0 to 3.

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 disclosure relates to an image processing device and method which are capable of suppressing an increase in a storage capacity necessary for encoding and decoding. A motion compensating unit that performs motion compensation in decoding of a current layer and a first compressing unit that compresses a motion vector of the current layer that is reconstructed by the motion compensating unit and used for the motion compensation in decoding of another layer are provided. Alternatively, a motion predicting/compensating unit that performs motion prediction and compensation in encoding of a current layer and a first compressing unit that compresses a motion vector of the current layer that is generated by the motion predicting/compensating unit and used in the motion prediction and compensation in encoding of another layer are provided. For example, the present disclosure can be applied to an image processing device.

Abstract: An image processing device including a predicted vector generation section configured to generate a predicted vector for use in encoding of a motion vector (MV) of a current block by scaling the MV of a reference block, which is a block of a position shifted from a position of the current block in an image of a different view, by a disparity obtained from a periphery of the current block in an image of a non-base view according to a reference destination of the current block and a reference destination of the reference block, an MV encoding section configured to encode the MV of the current block using the predicted vector generated by the predicted vector generation section, and an encoding section configured to generate an encoded stream by encoding the image in units having a hierarchical structure.

Abstract: An image processing device including a predicted vector generation section configured to generate a predicted vector for use in encoding of a motion vector (MV) of a current block by scaling the MV of a reference block, which is a block of a position shifted from a position of the current block in an image of a different view, by a disparity obtained from a periphery of the current block in an image of a non-base view according to a reference destination of the current block and a reference destination of the reference block, an MV encoding section configured to encode the MV of the current block using the predicted vector generated by the predicted vector generation section, and an encoding section configured to generate an encoded stream by encoding the image in units having a hierarchical structure.

Abstract: The present technique relates to an image processing device and method capable of suppressing a decrease in encoding efficiency. The image processing device includes: a predictive vector generating unit that generates a predictive vector of a current parallax vector of a current block used in prediction using correlation in a parallax direction using a reference parallax vector referred when generating a predictive motion vector, when encoding the current parallax vector; and a difference vector generating unit that generates a difference vector between the current parallax vector and the predictive vector generated by the predictive vector generating unit. The present disclosure can be applied to an image processing device.

Abstract: The present technique relates to an image processing device and method capable of suppressing a decrease in encoding efficiency. The image processing device includes: a predictive vector generating unit that generates a predictive vector of a current parallax vector of a current block used in prediction using correlation in a parallax direction using a reference parallax vector referred when generating a predictive motion vector, when encoding the current parallax vector; and a difference vector generating unit that generates a difference vector between the current parallax vector and the predictive vector generated by the predictive vector generating unit. The present disclosure can be applied to an image processing device.

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.