Abstract: A video encoding method and apparatus to select one combination, for each block of an input video signal, from a plurality of combinations. Each combination includes a predictive parameter and at least one reference picture number determined in advance for the reference picture. A prediction picture signal is generated in accordance with the reference picture number and predictive parameter of the selected combination. A predictive error signal is generated representing an error between the input video signal and the prediction picture signal. Encoding the predictive error signal, information of the motion vector, and index information indicating the selected combination is included.

Abstract: A medical image processing apparatus according to an embodiment includes compressing circuitry. The compressing circuitry is configured to compress, for each of a first data group and a second data group both of which being included in data pertaining to a medical image, each of the first data group and the second data group separately, starting from data corresponding to a boundary between the first data group and the second data group and shifting sequentially to a direction away from the boundary.

Abstract: A medical image processing apparatus according to an embodiment includes compressing circuitry. The compressing circuitry is configured to compress, for each of a first data group and a second data group both of which being included in data pertaining to a medical image, each of the first data group and the second data group separately, starting from data corresponding to a boundary between the first data group and the second data group and shifting sequentially to a direction away from the boundary.

Abstract: A medical imaging apparatus comprises a gantry, a table, a first emitting unit, and a reflection unit. The table is movable to go in and out of the gantry. The first emitting unit is apart from the gantry and configured to emit image light. The reflection unit is configured to reflect the image light toward the table.

Abstract: According to one embodiment, a prediction unit generates a prediction block to be used for prediction of a coding target block, based on at least one reference block adjacent to the coding target block in the image. Each number of pixels in the coding target block and the prediction block is a power of two. A calculation unit calculates a residual block having residual pixel values between the coding target block and the prediction block. A decision unit decides whether to code the residual block, based on pixel values of at least one of the coding target block, the reference block and the prediction block. A coding unit codes the residual block by variable length coding when the residual block is decided to be coded, and codes a skip flag representing the residual block not being coded when the residual block is not decided to be coded.

Abstract: A medical image processing apparatus according to an embodiment includes compressing circuitry. The compressing circuitry is configured to compress, for each of a first data group and a second data group both of which being included in data pertaining to a medical image, each of the first data group and the second data group separately, starting from data corresponding to a boundary between the first data group and the second data group and shifting sequentially to a direction away from the boundary.

Abstract: According to an embodiment, a display device includes a display, a deciding unit, a three-dimensional input unit, and a controller. The display configured to display partially a two-dimensional image in a two-dimensional area and a stereoscopic image in a three-dimensional area. The deciding unit is configured to based on a position of the three-dimensional area in the display, decide on a range of a space in front of the display, within which operation of the stereoscopic image with an input device is allowed. The three-dimensional input unit configured to obtain three-dimensional coordinate information inputted by the input device with respect to the display. The display controller is configured to, when the three-dimensional coordinate information is within the decided range, operate the stereoscopic image in accordance with the three-dimensional coordinate information.

Abstract: According to one embodiment, a moving image encoding apparatus includes a calculation unit, a selection unit, and a compression unit. The calculation unit calculates, for each unit of processing, amounts of code using plural variable length compression modes, the variable length compression modes having compression rates different from each other. The selection unit selects a compression mode in which an accumulated amount of code is smaller than or equal to a predetermined amount of code, the compression mode being selected from the variable length compression modes and a fixed length compression mode on the basis of the amounts of code calculated for the variable length compression modes and an amount of code obtained when the image data is compressed by the fixed length compression mode. The compression unit compresses the unit of processing of image data by the compression mode selected and generates compressed data.

Abstract: A video encoding method and apparatus to select one combination, for each block of an input video signal, from a plurality of combinations. Each combination includes a predictive parameter and at least one reference picture number determined in advance for the reference picture. A prediction picture signal is generated in accordance with the reference picture number and predictive parameter of the selected combination. A predictive error signal is generated representing an error between the input video signal and the prediction picture signal. Encoding the predictive error signal, information of the motion vector, and index information indicating the selected combination is included.

Abstract: A video encoding method and apparatus to select one combination, for each block of an input video signal, from a plurality of combinations. Each combination includes a predictive parameter and at least one reference picture number determined in advance for the reference picture. A prediction picture signal is generated in accordance with the reference picture number and predictive parameter of the selected combination. A predictive error signal is generated representing an error between the input video signal and the prediction picture signal. Encoding the predictive error signal, information of the motion vector, and index information indicating the selected combination is included.

Abstract: An example image decoding apparatus and method involves acquiring encoded data including an image code sequence corresponding to a slice of a plurality of slices obtained by dividing a picture of a moving image and first timing information indicating a first time at which the slice is to be decoded and no underflow or overflow occurs in a first virtual reception buffer from which the image code sequence is output in a slice unit. The image code sequence is decoded on the basis of the first timing information.

Abstract: According to one embodiment, a radiation detection data processing apparatus includes a data acquisition unit and a data processing unit. The data acquisition unit acquires a radiation detection data from a detector detecting radiation. The data processing unit generates a compressed data to be used for reconstruction of a tomographic image, compression distortion in the compressed data is nearly uniform independently of a signal value from the radiation detection data.

Abstract: According to an embodiment, a display device includes a display, a deciding unit, a three-dimensional input unit, and a controller The display configured to display partially a two-dimensional image in a two-dimensional area and a stereoscopic image in a three-dimensional area. The deciding unit is configured to based on a position of the three-dimensional area in the display, decide on a range of a space in front of the display, within which operation of the stereoscopic image with an input device is allowed. The three-dimensional input unit configured to obtain three-dimensional coordinate information inputted by the input device with respect to the display. The display controller is configured to, when the three-dimensional coordinate information is within the decided range, operate the stereoscopic image in accordance with the three-dimensional coordinate information.

Abstract: According to an embodiment, an image coding method includes a transforming and quantizing step of orthogonally transforming and quantizing each of a plurality of blocks as a unit within a target region of an input image to obtain coefficients; and a variable-length coding step of coding a plurality of coefficient strings each having coefficients of same frequency component among the blocks within the target region by using a plurality of variable length coding schemes: The variable-length coding step includes switching among the variable-length coding schemes for each coefficient string.

Abstract: According to an embodiment, an image encoding apparatus includes a parameter selector and an output selector. The parameter selector selects a coding parameter controlling the first encoder. The coding parameter makes a first code amount generated by the first encoder smaller than a target code amount if the coding parameter is applied to the first pixel group. The output selector selects the encoding result from the first encoder provided that the first code amount generated by the first encoder when the selected coding parameter is applied to the second pixel group is smaller than the second code amount generated by the second encoder.

Abstract: A moving image encoding method includes outputting encoded data that comprises an image code sequence corresponding to slices of a moving image and first timing information indicating times at which the slices are to be decoded.

Abstract: According to one embodiment, an apparatus codes each line of an image. The apparatus includes a segmentation unit and a coding unit. The segmentation unit is configured to segment the image into a first group including at least a head line and a second group including lines except for the first group. The coding unit is configured to code the first group so that a coding amount of the first group is smaller than a first target coding amount, and to code the second group so that a coding amount of each line of the second group is smaller than a second target coding amount smaller than the first target coding amount.

Abstract: According to an embodiment, an image encoding device includes a setting unit and an obtaining unit. The setting unit sets an corresponding block corresponding to a target block to be encoded in a first parallax image at a first viewpoint on the basis of first depth information of the first parallax image and a positional relationship between the first viewpoint and a second viewpoint of each of one or more second parallax images, sets a shared block in a search area including the target block and area adjacent to the corresponding block, and generates specifying information that indicates a positional relationship between the shared block and the corresponding block. The corresponding block is in the one or more second parallax images. Encoding information of the shared block is shared. The obtaining unit obtains the encoding information on the basis of the specifying information.

Abstract: According to an embodiment, an image processing device includes an obtaining unit, a specifying unit, a first setting unit, a second setting unit, and a processor. The obtaining unit is configured to obtain a three-dimensional image. The specifying unit is configured to, according to an inputting operation performed by a user, specify three-dimensional coordinate values in the three-dimensional image. The first setting unit is configured to set a designated area which indicates an area including the three-dimensional coordinate values. The second setting unit is configured to set a masking area indicating an area that masks the designated area when the three-dimensional image is displayed. The processor is configured to perform image processing with respect to the three-dimensional image in such a way that the masking area is displayed in a more transparent manner as compared to the display of the remaining area.

Abstract: According to one embodiment, an encoding apparatus includes a first quantizer, a second quantizer, a predictor and a calculator. The first quantizer quantizes an input block to obtain a first quantized block. The second quantizer quantizes a reference pixel to obtain at least one quantized value. The predictor predicts each target pixel in the first quantized block using the at least one quantized value and a quantized value of a pixel that is to be decoded preceding the target pixel in decoding order in the first quantized block to obtain a second quantized block. The calculator calculates a difference between the first quantized block and the second quantized block.