公开(公告)号：US09560353B2

公开(公告)日：2017-01-31

申请号：US14130390

申请日：2013-01-21

Applicant: Panasonic Corporation

Inventor： Toshiyasu Sugio ,  Takahiro Nishi ,  Youji Shibahara ,  Kyoko Tanikawa ,  Hisao Sasai ,  Toru Matsunobu ,  Kengo Terada

IPC: H04N19/51 ,  H04N19/597 ,  H04N19/52

CPC classification number: H04N19/52 ,  H04N19/513 ,  H04N19/597

Abstract: A moving picture coding method including: determining whether or not (a) a picture including a co-located block and (b) a current picture to be coded are included in a same view, the co-located block being a block that is included in a picture different from the current picture and is at a position corresponding to a position of a current block to be coded included in the current picture; adjusting the position of the co-located block when the picture including the co-located block and the current picture are included in different views; and adding to the list an entry including a motion vector derived from the co-located block, wherein the adjusting includes: obtaining a disparity vector between the view including the picture including the co-located block and the view including the current picture; and adjusting the position of the co-located block by the obtained disparity vector.

Abstract translation: 一种运动图像编码方法，包括：确定是否（a）包括同位置块的图像和（b）当前要编码的图像被包括在同一视图中，所述共位块是包括的块 在与当前图像不同的图像中，并且处于与当前图像中包括的要编码的当前块的位置相对应的位置; 当包括同位置块和当前画面的画面被包括在不同视图中时，调整同位置块的位置; 以及向所述列表添加包括从所述同位置块导出的运动矢量的条目，其中所述调整包括：在包括所述同位置块的所述画面和包括所述当前画面的视图的视图之间获得视差矢量; 以及通过所获得的视差矢量调整所述同位置块的位置。

公开(公告)号：US08804823B2

公开(公告)日：2014-08-12

申请号：US13710932

申请日：2012-12-11

Applicant: Panasonic Corporation

Inventor： Youji Shibahara ,  Takahiro Nishi ,  Toshiyasu Sugio ,  Kyoko Tanikawa ,  Toru Matsunobu ,  Hisao Sasai ,  Kengo Terada

IPC: H04N11/02 ,  H04N7/26

CPC classification number: H04N19/124 ,  G06T9/004 ,  H04N19/119 ,  H04N19/176 ,  H04N19/463 ,  H04N19/61 ,  H04N19/96

Abstract: An image coding method, comprising: subtracting a prediction signal from the input image signal for each coding unit, thereby generating respective prediction error signals; performing orthogonal transform and quantization on a corresponding one of the prediction error signals for each transform unit, eventually generating quantization coefficients; and coding pieces of management information indicating a structure of the transform units and the quantization coefficients into a tree structure. Each of the transform units corresponds to a corresponding one of leaf nodes in the tree structure. In the coding, for each leaf node, management information and a quantization coefficient are coded, eventually generating a coded signal in which the coded management information and the coded quantization coefficient are arranged in succession for each leaf node.

公开(公告)号：US08649620B2

公开(公告)日：2014-02-11

申请号：US13906970

申请日：2013-05-31

Applicant: Panasonic Corporation

Inventor： Youji Shibahara ,  Takahiro Nishi ,  Toshiyasu Sugio ,  Kyoko Tanikawa ,  Toru Matsunobu ,  Hisao Sasai ,  Kengo Terada

IPC: G06K9/36

CPC classification number: H04N19/124 ,  G06T9/004 ,  H04N19/119 ,  H04N19/176 ,  H04N19/463 ,  H04N19/61 ,  H04N19/96

Abstract: An image coding method, comprising: subtracting a prediction signal from the input image signal for each coding unit, thereby generating respective prediction error signals; performing orthogonal transform and quantization on a corresponding one of the prediction error signals for each transform unit, eventually generating quantization coefficients; and coding pieces of management information indicating a structure of the transform units and the quantization coefficients into a tree structure. Each of the transform units corresponds to a corresponding one of leaf nodes in the tree structure. In the coding, for each leaf node, management information and a quantization coefficient are coded, eventually generating a coded signal in which the coded management information and the coded quantization coefficient are arranged in succession for each leaf node.

Abstract translation: 一种图像编码方法，包括：从每个编码单元的输入图像信号中减去预测信号，从而产生各个预测误差信号; 对每个变换单元对相应的预测误差信号执行正交变换和量化，最终产生量化系数; 以及将指示变换单元的结构和量化系数的管理信息编码成树形结构。 每个变换单元对应于树结构中的相应叶节点。 在编码中，对于每个叶节点，管理信息和量化系数被编码，最终生成编码信号，其中编码的管理信息和编码的量化系数被连续排列用于每个叶节点。

公开(公告)号：US10321152B2

公开(公告)日：2019-06-11

申请号：US14074179

申请日：2013-11-07

Applicant: Panasonic Corporation

Inventor： Viktor Wahadaniah ,  Chong Soon Lim ,  Sue Mon Thet Naing ,  Hai Wei Sun ,  Takahiro Nishi ,  Hisao Sasai ,  Youji Shibahara ,  Kyoko Tanikawa ,  Toshiyasu Sugio ,  Kengo Terada ,  Toru Matsunobu

IPC: H04N19/52 ,  H04N19/58 ,  H04N19/513 ,  H04N19/527

Abstract: An image coding method includes: deriving a candidate for a motion vector of a current block from a co-located motion vector; adding the candidate to a list; selecting the motion vector of the current block from the list; and coding the current block, wherein the deriving includes: deriving the candidate by a first derivation scheme in the case of determining that each of a current reference picture and a co-located reference picture is a long-term reference picture; and deriving the candidate by a second derivation scheme in the case of determining that each of the current reference picture and the co-located reference picture is a short-term reference picture.

公开(公告)号：US20180199043A1

公开(公告)日：2018-07-12

申请号：US15914182

申请日：2018-03-07

Applicant: Panasonic Corporation

Inventor： Kengo Terada ,  Hisao Sasai ,  Tadamasa Toma ,  Noritaka Iguchi ,  Yui Koashi

IPC: H04N19/176 ,  H04N19/44 ,  H04N19/119 ,  H04N19/162

CPC classification number: H04N19/176 ,  H04N19/119 ,  H04N19/162 ,  H04N19/44

Abstract: An image decoding apparatus includes a request unit that requests an image transmission apparatus to transmit an image, a transmission unit that transmits range information indicating a range which is a partial range of the image and which is selected in accordance with a user operation to the image transmission apparatus, a receiving unit that, while the partial range of the image is selected, receives, from the image transmission apparatus, the entirety of the image when the image belongs to a first type and a portion of the image when the image belongs to a second type, by receiving one or more tiles, which corresponds to the partial range of the image and outside which a reference to is prohibited in inter-picture prediction, among a plurality of tiles included in the image, and a decoding unit that decodes the received entirety or portion of the image.

公开(公告)号：US09479777B2

公开(公告)日：2016-10-25

申请号：US13783435

申请日：2013-03-04

Applicant: Panasonic Corporation

Inventor： Toshiyasu Sugio ,  Takahiro Nishi ,  Youji Shibahara ,  Kyoko Tanikawa ,  Hisao Sasai ,  Toru Matsunobu ,  Kengo Terada

IPC: H04N7/12 ,  H04N7/26 ,  H04N19/583 ,  H04N19/13 ,  H04N19/51 ,  H04N11/02 ,  H04N19/52

CPC classification number: H04N19/52 ,  H04N19/105 ,  H04N19/159 ,  H04N19/172 ,  H04N19/176 ,  H04N19/46 ,  H04N19/503

Abstract: A moving picture coding includes: coding a first flag indicating whether or not temporal motion vector prediction is used; when the first flag indicates that the temporal motion vector prediction is used: coding a first parameter for calculating the temporal predictive motion vector; wherein when the first flag indicates that the temporal motion vector prediction is not used, the first parameter is not coded.

Abstract translation: 运动图像编码包括：编码指示是否使用时间运动矢量预测的第一标志; 当第一标志指示使用时间运动矢量预测时：编码用于计算时间预测运动矢量的第一参数; 其中当第一标志指示不使用时间运动矢量预测时，第一参数不被编码。

公开(公告)号：US08923634B2

公开(公告)日：2014-12-30

申请号：US14043099

申请日：2013-10-01

Applicant: Panasonic Corporation

Inventor： Hisao Sasai ,  Takahiro Nishi ,  Youji Shibahara ,  Toshiyasu Sugio ,  Kyoko Tanikawa ,  Toru Matsunobu ,  Kengo Terada

IPC: G06K9/36 ,  G06T9/00 ,  G09G5/02 ,  H04N1/405 ,  H04N1/32 ,  H04N1/41 ,  H04N7/12 ,  H04N11/02 ,  H04N11/04 ,  G06F15/00 ,  G06F7/00 ,  H04N19/593

CPC classification number: H04N19/91 ,  G06T9/00 ,  H04N19/13 ,  H04N19/159 ,  H04N19/176 ,  H04N19/184 ,  H04N19/593 ,  H04N19/70

Abstract: A decoding method decodes last position information indicating horizontal and vertical positions of a last non-zero coefficient in a predetermined order within a current block to be decoded, the current block including plural coefficients. The decoding includes obtaining a bitstream including first, second, third and fourth partial signals, in this order, performing first arithmetic decoding on the first and the third partial signals respectively to obtain decoded first and decoded third partial signals, performing second arithmetic decoding on the second and the fourth partial signals respectively to obtain decoded second and decoded fourth partial signals, the second arithmetic decoding being different from the first arithmetic decoding, deriving a horizontal component of the last position information from the decoded first and decoded third partial signals, and deriving a vertical component of the last position information from the decoded second and decoded fourth partial signals.

Abstract translation: 解码方法将当前块包括多个系数的最后非零系数的水平和垂直位置的最后位置信息按预定顺序进行解码。 解码包括以下顺序获得包括第一，第二，第三和第四部分信号的比特流，分别对第一和第三部分信号执行第一算术解码，以获得解码的第一和解码的第三部分信号，对 第二和第四部分信号以获得解码的第二和解码的第四部分信号，第二算术解码与第一算术解码不同，从解码的第一和解码的第三部分信号导出最后位置信息的水平分量， 来自解码的第二和解码的第四部分信号的最后位置信息的垂直分量。

公开(公告)号：US08670625B2

公开(公告)日：2014-03-11

申请号：US13669690

申请日：2012-11-06

Applicant: Panasonic Corporation

Inventor： Hisao Sasai ,  Takahiro Nishi ,  Youji Shibahara ,  Toshiyasu Sugio ,  Kyoko Tanikawa ,  Toru Matsunobu ,  Kengo Terada

IPC: G06K9/36 ,  G06T9/00 ,  G09G5/02 ,  H04N1/405 ,  H04N1/32 ,  H04N1/41 ,  H04N7/12 ,  H04N11/02 ,  H04N11/04 ,  G06F15/00 ,  G06F7/00

CPC classification number: H04N19/91 ,  G06T9/00 ,  H04N19/13 ,  H04N19/159 ,  H04N19/176 ,  H04N19/184 ,  H04N19/593 ,  H04N19/70

Abstract: An image coding method including: binarizing a first component and a second component which are included in last position information, to generate a first binary signal and a second binary signal, respectively; coding, by first arithmetic coding, a first partial signal which is a part of the first binary signal and a second partial signal which a part of the second binary signal, and coding, by second arithmetic coding, a third partial signal which is another part of the first binary signal and a fourth partial signal which is another part of the second binary signal; and placing the coded first through fourth partial signals in a bit stream, wherein in the placing, (i) the coded second partial signal is placed next to the coded first partial signal, or (ii) the coded fourth partial signal is placed next to the coded third partial signal.

Abstract translation: 一种图像编码方法，包括：将包含在最后位置信息中的第一分量和第二分量二值化，分别产生第一二进制信号和第二二进制信号; 通过第一算术编码对作为第一二进制信号的一部分的第一部分信号和作为第二二进制信号的一部分的第二部分信号进行编码，并且通过第二算术编码来编码作为另一部分的第三部分信号 的第二二进制信号和作为第二二进制信号的另一部分的第四部分信号; 并将经编码的第一至第四部分信号放置在比特流中，其中在所述放置中，（i）编码的第二部分信号被放置在编码的第一部分信号旁边，或者（ii）编码的第四部分信号被放置在 编码的第三部分信号。

公开(公告)号：US10154257B2

公开(公告)日：2018-12-11

申请号：US13852161

申请日：2013-03-28

Applicant: PANASONIC CORPORATION

Inventor： Toru Matsunobu ,  Takahiro Nishi ,  Youji Shibahara ,  Hisao Sasai ,  Kyoko Tanikawa ,  Toshiyasu Sugio ,  Kengo Terada

IPC: H04N19/46 ,  H04N19/124 ,  H04N19/82 ,  H04N19/86 ,  H04N19/117

Abstract: An image coding method includes: obtaining a pixel signal of a current region to be processed; calculating offset information including at least one of a location from which the offset information for the current region is obtained, a total number of blocks which share the offset information, a pattern of partitioning the current region, a pixel classification method for classifying pixels into categories, a category index number of band offset, or an offset value; applying offset to the current region using the offset information, the offset being applied with adjustment to the offset value when a predetermined condition is satisfied; coding the offset information; outputting an offset-applied signal generated by the applying of offset; and controlling the applying of offset.

公开(公告)号：US08885731B2

公开(公告)日：2014-11-11

申请号：US13864571

申请日：2013-04-17

Applicant: Panasonic Corporation

Inventor： Tadamasa Toma ,  Takahiro Nishi ,  Youji Shibahara ,  Hisao Sasai ,  Toshiyasu Sugio ,  Kyoko Tanikawa ,  Toru Matsunobu ,  Kengo Terada

IPC: H04N7/26 ,  H04N19/70 ,  G06T9/00 ,  H04N19/44

CPC classification number: H04N19/15 ,  G06T9/00 ,  H04N19/13 ,  H04N19/132 ,  H04N19/176 ,  H04N19/423 ,  H04N19/46 ,  H04N19/70

Abstract: An image decoding method of decoding encoded data per unit included in units that are included in a picture is provided. The image decoding method obtains, from an encoded bitstream including the encoded data, a first flag indicating whether or not a removal time of the encoded data from a buffer for storing the encoded data is set per unit. The image decoding method further obtains, from the encoded bitstream, a second flag indicating whether an interval between removal times of the units is constant or arbitrary when the removal times are set per unit. The image decoding method removes the encoded data from the buffer per unit and at a constant or arbitrary interval according to the second flag, and decodes the removed encoded data.

Abstract translation: 提供了一种图像解码方法，用于对包括在图像中的单位包括的每单位的编码数据进行解码。 图像解码方法从包括编码数据的编码比特流中获得表示每单位是否设置来自用于存储编码数据的缓冲器的编码数据的去除时间的第一标志。 图像解码方法还从编码比特流中获得指示当每单位设置移除时间时单位的去除时间间隔是恒定还是任意的第二标志。 图像解码方法根据第二标志从每个单位的缓冲器中以恒定或任意的间隔移除编码数据，并解码去除的编码数据。