Abstract: A camera unit that captures and generates a plurality of images of a subject and a setting unit that sets different image capturing positions of the camera unit are provided. The setting unit sets the different image capturing positions so that the distance between an n-th image capturing position and an n+1th image capturing position and the distance between an m-th image capturing position and an m+1th image capturing position among the different image capturing positions differ from each other, where n and m are different natural numbers.

Abstract: A camera unit that captures and generates a plurality of images of a subject and a setting unit that sets different image capturing positions of the camera unit are provided. The setting unit sets the different image capturing positions so that the distance between an n?th image capturing position and an n+1th image capturing position and the distance between an m?th image capturing position and an m+1th image capturing position among the different image capturing positions differ from each other, where n and m are different natural numbers.

Abstract: An image encoding apparatus encodes image data and includes an image encoding unit that receives an input of the image data and image parameters and generates encoded image data by performing image encoding on the image data with reference to the image parameters and furthermore binarizing and arithmetically encoding the image data. A parameter processing unit outputs, as parameter information, parameters that are included in the image parameters and that are referred to when the encoded image data is arithmetically decoded, and encodes the image parameters to generate and output encoded image parameters. A stream generation unit generates a stream including the encoded image data obtained from the image encoding unit and the parameter information and the encoded image parameters that are outputted from the parameter processing unit.

Abstract: A transcoder reduces the processing amount when a coded stream to which at least intra prediction is applied is transcoded into a coded stream to which intra prediction and inter prediction are applied. The transcoder converts a first coded stream to at least part of which intra prediction is applied, into a second coded stream to which intra prediction and inter prediction are applied. The transcoder includes a decoding unit that decodes the first coded stream to generate decoded image data; a prediction mode obtaining unit that obtains a prediction mode of intra prediction applied in decoding; and a coding unit that codes the decoded image data by applying the intra prediction or inter prediction to generate the second coded stream. A control unit controls causes the coding unit to use the prediction mode obtained by the prediction mode obtaining unit when the coding unit applies intra prediction.

Abstract: An image coding apparatus reduces arithmetic processing and includes an intermediate stream generating unit generating an intermediate stream, by generating an intermediate code from image data, coding header information among coding conditions for image coding, and synthesizing the generated intermediate code and the coded header information. The image coding apparatus also includes a coded stream generating unit outputting a coded stream, by performing variable length coding on the intermediate code included in the intermediate stream to generate coded image data, and synthesizing the generated coded image data and the header information, and includes a parameter information extracting unit extracting, from among the coding conditions, parameter information required for performing variable length coding on the intermediate code.

Abstract: Provided is a moving picture coding device which makes it possible to suppress deterioration in coding efficiency caused by flickers occurring at a time of high-speed capturing under fluorescent lamp lighting or the like. A moving picture coding device which codes a plurality of pictures obtained by capturing an object, the moving picture coding device including: a luminance information acquisition unit which acquires luminance information which indicates a luminance level of light in an environment where the object is captured; and a coding unit which codes the pictures, using a prediction coding method in which a picture type is applied in the coding of the pictures according to a flicker state of the light obtained from the luminance information.

Abstract: An image decoding apparatus that performs decoding using motion compensation includes: a reference area specifying unit that specifies, prior to decoding performed on a block-by-block basis, a reference area that is an existing range of reference pixels in a reference picture based on a block on which motion compensation is to be performed; a decoded pixel memory which stores decoded pixel data; a reference pixel buffer that holds reference pixel data; a reference-pixel-reading control unit that copies pixel data of an area including the reference area specified by said reference area specifying unit, from said decoded pixel memory into said reference pixel buffer; a motion compensation unit that generates interpolation pixel data by performing the motion compensation using reference pixel data copied into said reference pixel buffer; and a pixel value decoding unit that generates decoded pixel data using the interpolation pixel data.

Abstract: A link information generation apparatus records a link information file on a recording medium on which a first folder holding a still picture file that includes still picture data and still picture imaging time information and a second folder holding one or more moving picture files each of which includes moving picture data are recorded at positions that are not in a containment relationship with each other.

Abstract: An optimal interpolation frame is achieved by estimating optimal motion vectors both for a coding process and an interpolation frame generating process. A video codec apparatus coding and decoding a video and generating an interpolation frame in the decoding includes a motion vector estimation unit calculating an evaluation value to evaluate a correlation between images using a calculating formula and estimates a motion vector using the evaluation value, a motion vector coding unit coding video data using the motion vector and outputs a coded stream, video decoding unit decoding the coded stream and outputs video frames generated by the decoding, a frame interpolation unit generating interpolation frame using the motion vector, a cost calculating formula selecting unit selecting the calculation method depending upon whether the coding by the motion vector coding unit or the generating an interpolation frame by the frame interpolation unit is being executed.

Abstract: An image coding apparatus which reduces buffer capacity to a minimum and includes an image coding processing unit which generates intermediate data by executing a part of a process in the coding on the image data; a packetizing unit which generates an image stream by executing a process other than the part of the process in the coding on the intermediate data, such as for example arithmetic coding, and packetizes the generated image stream in synchronization with the image stream generation process.

Abstract: An image coding apparatus that makes possible the parallelization of intra prediction, and outputs coded data that can be decoded by an image decoding apparatus compliant with the H.264 standard. The image coding apparatus performs orthogonal transformation, quantization, inverse quantization, inverse orthogonal transformation, and intra prediction on all blocks obtained when a single macroblock is divided into plural blocks, and includes: a predicted block control unit that causes all of the blocks to be intra predicted using at least one of the intra prediction modes specified in the H.264 standard on at least some of the blocks, in an order different from the raster scan order specified in the H.264 standard; and an sorting buffer that outputs, in the raster scan order, all the blocks intra predicted under the control of the predicted block control unit.

Abstract: An image recording device includes: a reference clock generation generating a reference clock; a first compression unit generating first compressed image data by compressing a first picture that is included in pictures in the captured image and that is equivalent to image captured at the first frame rate; a second compression unit generating second compressed image data by compressing a second picture that is included in the pictures in the captured image except the first picture; a first timestamp generation unit generating a first timestamp indicating a time for presentation of the first picture with reference to the reference clock; a second timestamp generation unit generating a second timestamp indicating a time for presentation of the second picture with reference to the reference clock; a first assignment unit assigning the first timestamp to the first compressed image data; a second assignment unit assigning the second timestamp to the second compressed image data; and a recording unit recording, to t

Abstract: The decoding apparatus enabling high-speed arithmetic decoding in decoding data coded using CABAC is an arithmetic decoding apparatus which receives, as input, coded data obtained by converting multivalue information of syntax into binary data then performing Context-based Adaptive Binary Arithmetic Coding on the binary data, and which decodes the coded data into the original multivalue information.

Abstract: A decoding apparatus is used which includes: a CABAC processing unit (22) which generates a coding condition (23a) when performing arithmetic decoding; a first storage medium which stores arithmetic-decoded data (24d); a cache 25 which is a second storage medium which stores cache data (25d); a decoder (26) which processes the arithmetic-decoded data (24d), based on the cache data (25d); and a setting unit (23) which sets a storage method for the cache data (25d) based on the coding condition (23a), prior to the processing.

Abstract: A device is provided for taking high resolution still pictures while recording video without pausing video recording. Plural channels are provided for reaching pixel values from a CMOS sensor, and the output of each channel is input to a corresponding A/D conversion circuit. The channels are configured so that the pixels that are added together are read simultaneously. The data added by the pixel value adder is used as the video data for video recording. When a still picture is captured during video recording, the pixel data is stored in memory with capacity to store one frame, and is sequentially output from the image sensor as the still picture data.

Abstract: To provide a code amount estimating device which can perform, at high speed and with high precision, estimation of code amount obtained after arithmetic coding. The code amount estimating device includes a context index calculation unit which calculates a context index of a binary symbol included in binary data, and an estimate code amount calculation unit which calculates an estimate code amount for the binary data based on symbol occurrence probability information stored in association with the calculated context index and on a held probability interval range. The estimate code amount calculation unit estimates the code amount for the binary data according to code amount information indicating an association between (i) a combination of a binary symbol string including one or more binary symbols, symbol occurrence probability information, and a probability interval range and (ii) an estimate code amount for the binary symbol string.

Abstract: Reproduction of a plurality of coded streams is switched smoothly without a large processing capability. A coded stream reproduction device (100) which reproduces one of a plurality of coded streams includes: an output selecting unit (109) which selects one of the coded streams; a data reading unit (102) which reads a first coded stream selected and a second coded stream not selected; a decoding unit (104) which decodes a first coded picture included in the first coded stream; and a corresponding data detecting unit (103) which detects a second coded picture from the second coded stream based on time information indicating a display time of the first decoded picture, the second coded picture being used for temporally-smooth switching of a display from the first coded stream to the second coded stream. The decoding unit (104) further decodes at least one of (i) the detected second coded picture, and (ii) a third coded picture to be referred to when decoding the second coded picture.

Abstract: A link information generation apparatus records a link information file on a recording medium on which a first folder holding a still picture file that includes still picture data and still picture imaging time information and a second folder holding one or more moving picture files each of which includes moving picture data are recorded at positions that are not in a containment relationship with each other.

Abstract: An image recording device (100) which records an input image includes an image generating unit (120) which generates the input image based on input electric signal, an image transforming unit (130) which generates a group of first frames which can be independently reproduced, by extracting frames at a predetermined time interval from frames included in the input image generated by the image generating unit (120) and by arranging, in chronological order, the extracted frames, and to generate a group of second frames using frames that are not in the group of first frames but are in the frames included in the input image, an image coding unit (140) which (i) codes the group of first frames generated by the image transforming unit (130) and outputs a first stream, and (ii) codes the group of second frames generated by the image transforming unit (130) and outputs a second stream, and a recording unit (150) which records the first stream and the second stream coded by the image coding unit (140) on a recording med

Abstract: Provided is a moving picture coding device which makes it possible to suppress deterioration in coding efficiency caused by flickers occurring at a time of high-speed capturing under fluorescent lamp lighting or the like. A moving picture coding device (100) which codes a plurality of pictures obtained by capturing an object, the moving picture coding device including: a luminance information acquisition unit (121) which acquires luminance information which indicates a luminance level of light in an environment where the object is captured; and a coding unit (106) which codes the pictures, using a prediction coding method in which a picture type is applied in the coding of the pictures according to a flicker state of the light obtained from the luminance information.