Abstract: The present disclosure relates to an image processing apparatus and an image processing method that can inhibit a decrease of coding efficiency. A transfer image that is a to-be-transferred image with a normal size including a downsized image obtained by size-reduction of a normal image whose image size is the normal size to a reduced size that is an image size smaller than the normal size is generated, and the generated transfer image is coded. Coded data is decoded, a transfer image that is a to-be-transferred image with a normal size including a downsized image obtained by size-reduction of a normal image whose image size is the normal size to a reduced size that is an image size smaller than the normal size is generated, and the downsized image is extracted from the generated transfer image.

Abstract: An image coding apparatus includes a first coding unit that discretely selects quantization parameters of a first range to perform calculation of generated code amounts corresponding to the selected quantization parameters, a second coding unit that performs calculation of generated code amounts corresponding to quantization parameters of a second range, a code amount control unit that decides deciding a temporary quantization parameter corresponding to a target code amount by calculating generated code amounts through an interpolation process for quantization parameters not selected by the first coding unit, and by comparing the generated code amounts corresponding to the selected quantization parameters and the generated code amounts calculated through the interpolation process with the target code amount, and decides an optimal quantization parameter corresponding to the target code amount by comparing the generated code amounts calculated by the second coding unit with the target code amount.

Abstract: An image processing device includes: a plurality of encoding units that encode image data; a shared memory that stores reference image data which is used for encoding performed by each of the plurality of encoding units; and a control unit that secures an encoding unit from the plurality of encoding units, which is made to encode an intra-frame prediction encoded image and a forward prediction encoded image by priority, and that makes an encoding unit, which is not used to encode the intra-frame prediction encoded image or the forward prediction encoded image, encode a bidirectional prediction encoded image, using reference image data stored in the shared memory during a period where the secured encoding unit does not perform the encoding.

Abstract: The present invention enables a circuit configuration to be simplified. An image encoding device (100) receives an input image (91) that is line-scanned in units of MBs as scan blocks, each constituted by a plurality of 4×4 blocks, while being scanned in units of 4×4 blocks as encoding blocks, each constituted by a plurality of pixels. The image encoding device (100) selects a VLC (variable length) table corresponding to a table selection index nC, which is an average value of the numbers nB and nA of nonzero coefficients as encoding values on which variable-length encoding is performed in upper-adjoining and left-adjoining 4×4 blocks of a 4×4 block as an encoding target in quantization coefficients as encoding target data based on the input image (91).

Abstract: The present invention can realize an image processing device and an image processing method that enable a simplified circuit configuration. An image encoding device (200) encodes an input image (91) in an ordinary process that is the same as main encoding on the basis of a predictive quantization parameter (QPd), while encoding the input image (91) in a simple manner (simplified process) on the basis of the predictive quantization parameter (QPd) and quantization parameters (QP) approximate to the predictive quantization parameter (QPd). The image encoding device (200) calculates a code quantity ratio R_reduction between a high-precision generated code quantity obtained through an ordinary process based on the predictive quantization parameter (QPd) and a generated code quantity obtained through a simplified process based on the predictive quantization parameter (QPd).

Abstract: The present invention enables a reduction in circuit scale. In an image coding apparatus (100), as for DCT coefficients as simple coded data obtained by coding an input image (91) by simple processing, the input image (91) is coded by at least quantizing the input image (91) as an input image on the basis of selected quantization parameters (QPl) discretely selected from quantization parameters (QP) as quantization factors, thereby computing generated code sizes of the input image (91) upon coding. The image coding apparatus (100) corrects an error in the generated code sizes of the input image upon coding which occurs in accordance with the simple processing, thereby computing low-precision generated code sizes.

Abstract: An image processing device includes: a plurality of encoding units that encode image data; a shared memory that stores reference image data which is used for encoding performed by each of the plurality of encoding units; and a control unit that secures an encoding unit from the plurality of encoding units, which is made to encode an intra-frame prediction encoded image and a forward prediction encoded image by priority, and that makes an encoding unit, which is not used to encode the intra-frame prediction encoded image or the forward prediction encoded image, encode a bidirectional prediction encoded image, using reference image data stored in the shared memory during a period where the secured encoding unit does not perform the encoding.

Abstract: The present invention can realize an image processing device and an image processing method that enable a simplified circuit configuration. An image encoding device (200) encodes an input image (91) in an ordinary process that is the same as main encoding on the basis of a predictive quantization parameter (QPd), while encoding the input image (91) in a simple manner (simplified process) on the basis of the predictive quantization parameter (QPd) and quantization parameters (QP) approximate to the predictive quantization parameter (QPd). The image encoding device (200) calculates a code quantity ratio R_reduction between a high-precision generated code quantity obtained through an ordinary process based on the predictive quantization parameter (QPd) and a generated code quantity obtained through a simplified process based on the predictive quantization parameter (QPd).

Abstract: The present invention enables a reduction in circuit scale. In an image coding apparatus (100), as for DCT coefficients as simple coded data obtained by coding an input image (91) by simple processing, the input image (91) is coded by at least quantizing the input image (91) as an input image on the basis of selected quantization parameters (QPl) discretely selected from quantization parameters (QP) as quantization factors, thereby computing generated code sizes of the input image (91) upon coding. The image coding apparatus (100) corrects an error in the generated code sizes of the input image upon coding which occurs in accordance with the simple processing, thereby computing low-precision generated code sizes.

Abstract: The present invention enables a circuit configuration to be simplified. An image encoding device (100) receives an input image (91) that is line-scanned in units of MBs as scan blocks, each constituted by a plurality of 4×4 blocks, while being scanned in units of 4×4 blocks as encoding blocks, each constituted by a plurality of pixels. The image encoding device (100) selects a VLC (variable length) table corresponding to a table selection index nC, which is an average value of the numbers nB and nA of nonzero coefficients as encoding values on which variable-length encoding is performed in upper-adjoining and left-adjoining 4×4 blocks of a 4×4 block as an encoding target in quantization coefficients as encoding target data based on the input image (91).

Abstract: An information recording/reproducing system has a data storage device that stores a data stream with a predetermined data format and an information recording/reproducing apparatus, which is connected with the data storage device, for recording and reproducing the data stream. The apparatus includes information recording/reproducing portion and memory portion that stores plural species of empty data file bodies each in which additional information corresponding to a species of data format and data are assigned to loading regions. The apparatus also has selection portion that selects an empty data file body with a specified data format from the plural species of empty data file bodies. The apparatus further has information-loading portion that loads the additional information and the data into predetermined loading regions assigned in the empty data file body that has been selected by the selection portion.

Abstract: An image coding apparatus includes a first coding unit that discretely selects quantization parameters of a first range to perform calculation of generated code amounts corresponding to the selected quantization parameters, a second coding unit that performs calculation of generated code amounts corresponding to quantization parameters of a second range, a code amount control unit that decides deciding a temporary quantization parameter corresponding to a target code amount by calculating generated code amounts through an interpolation process for quantization parameters not selected by the first coding unit, and by comparing the generated code amounts corresponding to the selected quantization parameters and the generated code amounts calculated through the interpolation process with the target code amount, and decides an optimal quantization parameter corresponding to the target code amount by comparing the generated code amounts calculated by the second coding unit with the target code amount.

Abstract: An information recording/reproducing system has a data storage device that stores a data stream with a predetermined data format and an information recording/reproducing apparatus, which is connected with the data storage device, for recording and reproducing the data stream. The apparatus includes information recording/reproducing portion and memory portion that stores plural species of empty data file bodies each in which additional information corresponding to a species of data format and data are assigned to loading regions. The apparatus also has selection portion that selects an empty data file body with a specified data format from the plural species of empty data file bodies. The apparatus further has information-loading portion that loads the additional information and the data into predetermined loading regions assigned in the empty data file body that has been selected by the selection portion.

Abstract: A data recording and reproducing apparatus having a recording and reproducing means for recording and reproducing data containing video data and/or audio data to and from a record medium that is non-linearly accessible and a plurality of input and output processing means for accessing the recording and reproducing means in respectively assigned time slot periods, outputting the data that is output from the outside to the recording and reproducing means, and inputting the data from the recording and reproducing means is disclosed, that comprises an operating means for performing at least a record operation for causing the data to be recorded to the record medium and a reproduction operation for causing the data to be reproduced from the record medium, and a displaying means for displaying the data that is input to and that is output from the plurality of input and output means, wherein the operating means and the displaying means are integrally structured.