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    • 66. 发明申请
    • IMAGE PROCESSING DEVICE, AND IMAGE PROCESSING METHOD
    • 图像处理装置和图像处理方法
    • US20130294705A1
    • 2013-11-07
    • US13824841
    • 2011-11-09
    • Kenji Kondo
    • Kenji Kondo
    • G06T5/00
    • G06T5/001H04N19/117H04N19/134H04N19/176H04N19/61H04N19/70H04N19/82H04N19/86
    • When a motion prediction/compensation unit 32 generates predicted image data by performing motion compensation using reference image data based on a motion vector detected through motion detection, a compensation control unit 3231 switches a filter coefficient supplied from a coefficient table 3232 to a filter unit 3233 according to a loop filter process on the reference image data used to generate the predicted image data. For example, when the loop filter process is not performed, a filter process is performed on the reference image data with filter characteristics in which noise removal strength is high. Therefore, since the predicted image data with small noise can be generated, and deterioration in the quality of a predicted image is reduced, and thus deterioration in compression efficiency can be suppressed.
    • 当运动预测/补偿单元32基于通过运动检测检测到的运动矢量通过使用参考图像数据执行运动补偿来生成预测图像数据时,补偿控制单元3231将从系数表3232提供的滤波器系数切换到滤波器单元3233 根据用于生成预测图像数据的参考图像数据的环路滤波处理。 例如,当不执行环路滤波处理时,对具有噪声去除强度高的滤波器特性的参考图像数据执行滤波处理。 因此,由于可以产生具有小噪声的预测图像数据,并且预测图像的质量劣化降低,因此可以抑制压缩效率的劣化。
    • 68. 发明申请
    • IMAGE PROCESSING APPARATUS AND METHOD AS WELL AS PROGRAM
    • 图像处理设备和方法作为程序
    • US20120294368A1
    • 2012-11-22
    • US13515878
    • 2010-12-14
    • Kenji Kondo
    • Kenji Kondo
    • H04N7/32
    • H04N19/587H04N19/132H04N19/44H04N19/80
    • The present invention relates to an image processing apparatus and method and a program which can reduce the bit amount included in a stream and a used region of a memory. In an image encoding apparatus 51, when an object slice is a B slice, the tap number of a variable interpolation filter (AIF) is determined, for example, as four taps. Therefore, even in the case where bidirectional prediction of a 4×4 size is carried out, only it is necessary to read in, in addition to pixels of 4×4 blank squares obtained after the interpolation process, pixels of squares to which slanting lines are applied, that is, 98=2×49 pixels from the forward direction and the succeeding direction from a frame memory. In other words, in comparison with a conventional case, 32 pixels indicated by dark squares are not required for the interpolation process any more. The present invention can be applied, for example, to an image encoding apparatus for encoding, for example, on the basis of the H.264/AVC method.
    • 本发明涉及一种图像处理装置和方法以及程序,该图像处理装置和程序可以减少包含在存储器的流和使用区域中的比特量。 在图像编码装置51中,当对象片是B片时,可变内插滤波器(AIF)的抽头号例如被确定为四个抽头。 因此,即使在执行4×4尺寸的双向预测的情况下,除了在内插处理之后获得的4×4空白正方形的像素之外,仅需要读入,其中倾斜线的正方形像素 即,从帧存储器向前方向和后续方向应用98 = 2×49像素。 换句话说,与常规情况相比,插值处理不再需要由黑色方块表示的32个像素。 例如,本发明可以应用于例如基于H.264 / AVC方法进行编码的图像编码装置。
    • 69. 发明申请
    • IMAGE PROCESSING APPARATUS AND METHOD AS WELL AS PROGRAM
    • 图像处理设备和方法作为程序
    • US20120243611A1
    • 2012-09-27
    • US13514354
    • 2010-12-14
    • Kenji Kondo
    • Kenji Kondo
    • H04N7/32
    • H04N19/587H04N19/117H04N19/132H04N19/80
    • The present invention relates to an image processing apparatus and method, and a program capable of suppressing loss of high-frequency components and achieving a clear sense of the picture quality. A selector 95 selects one of filter coefficients from among a filter coefficient A1 which is used in all inter prediction modes where L0L1 weighted prediction is not used and is stored in an A1 filter coefficient memory 91, a filter coefficient A2 which is used in a bi-prediction mode where the L0L1 weighted prediction is used and is stored in an A2 filter coefficient memory 92, a filter coefficient A3 which is used in a direct mode where the L0L1 weighted prediction is used and is stored in an A3 filter coefficient memory 93, and a filter coefficient A4 which is used in a skip mode where the L0L1 weighted prediction is used and is stored in an A4 filter coefficient memory 94, and outputs the selected filter coefficients to a fixed interpolation filter. The present invention can be applied, for example, to an image encoding apparatus which carries out encoding based on the H.264/AVC method.
    • 本发明涉及图像处理装置和方法以及能够抑制高频分量的损失并且实现清晰的图像质量感的程序。 选择器95从在不使用L0L1加权预测的所有帧间预测模式中使用并被存储在A1滤波器系数存储器91中的滤波器系数A1中选择滤波器系数之一,在bi中使用的滤波器系数A2 - 预测模式,其中使用L0L1加权预测并将其存储在A2滤波器系数存储器92中,在使用L0L1加权预测并存储在A3滤波器系数存储器93中的直接模式中使用的滤波器系数A3, 以及在使用L0L1加权预测并且存储在A4滤波器系数存储器94中的跳过模式中使用的滤波器系数A4,并将所选择的滤波器系数输出到固定内插滤波器。 本发明可以应用于例如基于H.264 / AVC方法进行编码的图像编码装置。
    • 70. 发明授权
    • Tracking control device, tracking control method, and optical disc device
    • 跟踪控制装置,跟踪控制方法和光盘装置
    • US08169863B2
    • 2012-05-01
    • US12765216
    • 2010-04-22
    • Kenji KondoTakeharu YamamotoTakashi Kishimoto
    • Kenji KondoTakeharu YamamotoTakashi Kishimoto
    • G09B7/00
    • G11B7/0903G11B2007/0013
    • An object of this invention is to improve stability of tracking control and improve recording and reproduction performance. The tracking control device comprises a main push-pull signal generation section, which generates a main push-pull signal based on a signal obtained by photoelectric conversion of return light of the main beam; a microcomputer, which detects an other-layer stray light signal component included in a signal obtained by photoelectric conversion of return light of the sub-beam; a signal correction section, which corrects the signal obtained by photoelectric conversion of the return light of the sub-beam, based on the other-layer stray light signal component; and a sub-push-pull signal generation section, which generates a sub-push-pull signal based on the corrected signal obtained by photoelectric conversion of the return light of the sub-beam.
    • 本发明的目的是提高跟踪控制的稳定性并提高记录和再现性能。 跟踪控制装置包括:主推挽信号生成部,其基于通过主光束的返回光的光电转换获得的信号生成主推挽信号; 检测通过对子光束的返回光的光电转换而获得的信号中包含的其他层杂散光信号成分的微计算机; 信号校正部,其基于所述另一层杂散光信号分量来校正通过所述子光束的返回光的光电转换获得的信号; 以及副推挽信号生成部,其基于通过对子光束的返回光的光电转换而获得的校正信号生成副推挽信号。