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    Encoding device and encoding method
    61.
    发明授权
    Encoding device and encoding method 有权

    公开(公告)号：US10110916B2

    公开(公告)日：2018-10-23

    申请号：US15126797

    申请日：2015-04-08

    Applicant: SONY CORPORATION

    Inventor： Hironari Sakurai ,  Junichi Tanaka ,  Takefumi Nagumo

    IPC: H04N19/61 ,  H04N19/124 ,  H04N19/513 ,  H04N19/577 ,  H04N19/146 ,  H04N19/105 ,  H04N19/182 ,  H04N19/176 ,  H04N19/172

    Abstract: The present disclosure relates to an encoding device and an encoding method capable of reducing a storage capacity necessary for bidirectional prediction. An accuracy transform unit transforms a motion vector with fractional pixel accuracy of an input image into a motion vector with integer pixel accuracy of the image for each of prediction directions for bidirectional prediction of the input image. An average unit forms a predicted image of the input image for bidirectional prediction on the basis of the motion vector with integer pixel accuracy transformed by the accuracy transform unit for each prediction direction. The present disclosure is applicable to an encoding device of high efficiency video coding (HEVC) system, for example.

    Image processing apparatus and method, and program
    66.
    发明授权
    Image processing apparatus and method, and program 有权
    图像处理装置及方法及程序

    公开(公告)号：US09077968B2

    公开(公告)日：2015-07-07

    申请号：US13843024

    申请日：2013-03-15

    Applicant: Sony Corporation

    Inventor： Kazushi Sato ,  Junichi Tanaka ,  Yiwen Zhu ,  Yoichi Yagasaki

    IPC: H04N7/12 ,  H04N19/50 ,  H04N19/176 ,  H04N19/172 ,  H04N19/11 ,  H04N19/109 ,  H04N19/124 ,  H04N19/152 ,  H04N19/61

    CPC classification number: H04N19/50 ,  H04N19/109 ,  H04N19/11 ,  H04N19/124 ,  H04N19/152 ,  H04N19/172 ,  H04N19/176 ,  H04N19/61

    Abstract: An image processing apparatus, a method, and a program that enable an amount of code to be suppressed below a desired value with more reliability. An emergency mode determining section determines that the amount of code of a next picture is likely to exceed an upper limit if a target bit calculated by a rate controlling section exceeds a predetermined upper limit. If it is determined that the amount of code of the next picture is likely to exceed the upper limit, the code amount controlling section controls an orthogonal transducing section to replace a transform coefficient of a predetermined frequency component with zero, controls an intra predicting section to restrict intra prediction modes to be applied, and controls a mode determining section to restrict inter prediction modes to be applied. The prevent invention can be applied to an encoding apparatus.

    Abstract translation: 一种图像处理装置，方法和程序，其能够将代码量抑制到具有更高可靠性的期望值以下。 如果由速率控制部分计算的目标比特超过预定的上限，则紧急模式确定部分确定下一个图片的代码量可能超过上限。 如果确定下一图像的代码量可能超过上限，则代码量控制部分控制正交转换部分以将零预定频率分量的变换系数替换为0，将帧内预测部分控制为 限制要应用的帧内预测模式，并且控制模式确定部分来限制要应用的帧间预测模式。 防止发明可以应用于编码装置。

    IMAGE PROCESSING DEVICE AND IMAGE PROCESSING METHOD
    67.
    发明申请
    IMAGE PROCESSING DEVICE AND IMAGE PROCESSING METHOD 有权

    公开(公告)号：US20150063447A1

    公开(公告)日：2015-03-05

    申请号：US14536851

    申请日：2014-11-10

    Applicant: Sony Corporation

    Inventor： Junichi Tanaka

    IPC: H04N19/124 ,  H04N19/44

    CPC classification number: H04N19/124 ,  H04N19/103 ,  H04N19/126 ,  H04N19/157 ,  H04N19/174 ,  H04N19/31 ,  H04N19/44 ,  H04N19/463 ,  H04N19/50 ,  H04N19/70

    Abstract: An image processing device including an acquiring section configured to acquire quantization matrix parameters from an encoded stream in which the quantization matrix parameters defining a quantization matrix are set within a parameter set which is different from a sequence parameter set and a picture parameter set, a setting section configured to set, based on the quantization matrix parameters acquired by the acquiring section, a quantization matrix which is used when inversely quantizing data decoded from the encoded stream, and an inverse quantization section configured to inversely quantize the data decoded from the encoded stream using the quantization matrix set by the setting section.

    IMAGE PROCESSING DEVICE AND METHOD
    68.
    发明申请
    IMAGE PROCESSING DEVICE AND METHOD 有权
    图像处理装置和方法

    公开(公告)号：US20150010075A1

    公开(公告)日：2015-01-08

    申请号：US14375260

    申请日：2013-02-20

    Applicant: SONY CORPORATION

    Inventor： Junichi Tanaka ,  Yoshitaka Morigami

    IPC: H04N19/61 ,  H04N19/51 ,  H04N19/124 ,  H04N19/593

    CPC classification number: H04N19/124 ,  H04N19/122 ,  H04N19/126 ,  H04N19/18 ,  H04N19/30 ,  H04N19/463 ,  H04N19/59 ,  H04N19/61 ,  H04N19/70

    Abstract: An image processing device and method that enable suppression of an increase in the amount of coding of a scaling list. The image processing device sets a coefficient located at the beginning of a quantization matrix by adding a replacement difference coefficient that is a difference between a replacement coefficient used to replace a coefficient located at the beginning of the quantization matrix and the coefficient located at the beginning of the quantization matrix to the coefficient located at the beginning of the quantization matrix; up-converts the set quantization matrix; and dequantizes quantized data using an up-converted quantization matrix in which a coefficient located at the beginning of the up-converted quantization matrix has been replaced with the replacement coefficient. The device and method can be applied to an image processing device.

    Abstract translation: 一种图像处理装置和方法，其能够抑制缩放列表的编码量的增加。 图像处理装置通过将用于替换位于量化矩阵的开始处的系数的替换系数与位于量化矩阵的开始处的系数之间的差相加的替换差分系数相加来设置位于量化矩阵的开始处的系数 量化矩阵到位于量化矩阵的开始处的系数; 上变换集合量化矩阵; 并且使用上变频量化矩阵来对量化数据进行解量化，其中位于上变频量化矩阵的开始处的系数已被替换系数替代。 该装置和方法可以应用于图像处理装置。

    IMAGE PROCESSING DEVICE AND METHOD
    69.
    发明申请
    IMAGE PROCESSING DEVICE AND METHOD 有权
    图像处理装置和方法

    公开(公告)号：US20140369407A1

    公开(公告)日：2014-12-18

    申请号：US14375304

    申请日：2013-02-28

    Applicant: SONY CORPORATION

    Inventor： Junichi Tanaka ,  Yoshitaka Morigami

    IPC: H04N19/126 ,  H04N19/70 ,  H04N19/60

    CPC classification number: H04N19/124 ,  H04N19/122 ,  H04N19/126 ,  H04N19/18 ,  H04N19/30 ,  H04N19/463 ,  H04N19/59 ,  H04N19/61 ,  H04N19/70

    Abstract: An image processing device and method that enable suppression of a reduction in coding efficiency. The image processing device encodes an image to generate encoded data, and set, as syntax of the generated encoded data, syntax whose semantics is set so that a default quantization matrix having the same size as a block size that is a unit of processing in which quantization is performed is referred to when in a copy mode in which a quantization matrix is copied, quantization matrix reference data identifying a reference destination of the quantization matrix matches quantization matrix identification data identifying the quantization matrix. The device and method can be applied to an image processing device.

    Abstract translation: 一种能够抑制编码效率降低的图像处理装置和方法。 图像处理装置对图像进行编码以生成编码数据，并且将所生成的编码数据的语法设置为语法，其语义被设置为使得具有与作为处理单位的块大小相同大小的默认量化矩阵， 当在复制量化矩阵的复制模式下进行量化时，识别量化矩阵的参考目的地的量化矩阵参考数据与识别量化矩阵的量化矩阵识别数据相匹配。 该装置和方法可以应用于图像处理装置。

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