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    Method to derive at least one motion vector of a bi-predictive block in a current picture
    41.
    发明授权
    Method to derive at least one motion vector of a bi-predictive block in a current picture 有权
    导出当前图像中的双预测块的至少一个运动矢量的方法

    公开(公告)号：US09042453B2

    公开(公告)日：2015-05-26

    申请号：US14103413

    申请日：2013-12-11

    Applicant: LG Electronics Inc.

    Inventor： Byeong Moon Jeon

    IPC: H04N7/12 ,  G06K9/36 ,  H04N19/513 ,  H04N19/105 ,  H04N19/52 ,  H04N19/50 ,  H04N19/503 ,  H04N19/176 ,  H04N19/51 ,  H04N19/61 ,  H04N19/157 ,  H04N19/573 ,  H04N19/577 ,  H04N19/56

    CPC classification number: H04N19/577 ,  H04N19/105 ,  H04N19/157 ,  H04N19/176 ,  H04N19/50 ,  H04N19/503 ,  H04N19/51 ,  H04N19/513 ,  H04N19/52 ,  H04N19/521 ,  H04N19/56 ,  H04N19/573 ,  H04N19/61

    Abstract: In one embodiment, a method for a moving picture coding system to derive at least one motion vector of a bi-predictive block in a current picture from a motion vector of a first block in a first picture includes selecting, by the moving picture coding system, a list 1 motion vector of the first block in the first picture as a motion vector for deriving list 0 and list 1 motion vectors of the bi-predictive block if the first block only has the list 1 motion vector, the first picture being permitted to be located temporally before the current picture and permitted to be located temporally after the current picture, scaling the selected motion vector and deriving the list 0 and list 1 motion vectors of the bi-predictive block by applying a bit operation to the scaled motion vector, the bit operation including 8 bits right shift.

    Abstract translation: 在一个实施例中，一种运动图像编码系统从第一图像中的第一块的运动矢量导出当前图像中的双向预测块的至少一个运动矢量的方法包括：通过运动图像编码系统 ，第一图像中的第一块的列表1运动矢量作为用于导出列表0的运动矢量和列表1双预测块的运动矢量，如果第一块仅具有列表1运动矢量，则允许第一图像 位于时间上位于当前图像之前并被允许位于当前图像之后的时间上，通过对比例运动矢量应用比特运算来缩放所选运动矢量并导出列表0和列表1双预测块的运动矢量 ，位操作包括8位右移。

    Method of predicting a motion vector for a current block in a current picture
    46.
    发明授权
    Method of predicting a motion vector for a current block in a current picture 有权
    预测当前图像中当前块的运动矢量的方法

    公开(公告)号：US08644631B2

    公开(公告)日：2014-02-04

    申请号：US13835186

    申请日：2013-03-15

    Applicant: LG Electronics Inc.

    Inventor： Byeong Moon Jeon ,  Yoon Seong Soh

    IPC: G06K9/36 ,  G06K9/46 ,  H04N7/50 ,  H04N7/26 ,  H04N7/36

    CPC classification number: H04N19/105 ,  H04N19/139 ,  H04N19/176 ,  H04N19/44 ,  H04N19/50 ,  H04N19/51 ,  H04N19/513 ,  H04N19/52 ,  H04N19/56 ,  H04N19/563 ,  H04N19/573 ,  H04N19/577 ,  H04N19/61

    Abstract: In one embodiment, a method of predicting a motion vector for a current block in a current picture by a moving picture decoding device includes obtaining, by the moving picture decoding device, a direction of a reference picture of the current picture, based on comparison of a display order of the reference picture and a display order of the current picture, obtaining, by the moving picture decoding device, at least three motion vectors for at least three other blocks than the current block based on the direction of the reference picture and predicting, by the moving picture decoding device, a motion vector for the current block by using a median operation of the at least three motion vectors.

    Abstract translation: 在一个实施例中，通过运动图像解码装置预测当前图像中的当前块的运动矢量的方法包括：通过运动图像解码装置获得当前图像的参考图像的方向，基于 参考图像的显示顺序和当前图像的显示顺序，基于参考图像的方向，通过运动图像解码装置获得至少三个与当前块相比的其他块的运动矢量，并且预测 通过运动图像解码装置，通过使用至少三个运动矢量的中值运算来获得当前块的运动矢量。

    Method to derive at least one motion vector of a bi-predictive block in a current picture
    47.
    发明授权
    Method to derive at least one motion vector of a bi-predictive block in a current picture 有权
    导出当前图像中的双预测块的至少一个运动矢量的方法

    公开(公告)号：US08638856B2

    公开(公告)日：2014-01-28

    申请号：US13850332

    申请日：2013-03-26

    Applicant: LG Electronics Inc.

    Inventor： Byeong Moon Jeon

    IPC: H04N7/12 ,  G06K9/36

    CPC classification number: H04N19/577 ,  H04N19/105 ,  H04N19/157 ,  H04N19/176 ,  H04N19/50 ,  H04N19/503 ,  H04N19/51 ,  H04N19/513 ,  H04N19/52 ,  H04N19/521 ,  H04N19/56 ,  H04N19/573 ,  H04N19/61

    Abstract: In one embodiment, the method includes selecting a list 0 motion vector of the first block in the first picture as the motion vector for deriving list 0 and list 1 motion vectors of the bi-predictive block if the first block has both a list 1 motion vector and the list 0 motion vector, the first picture being permitted to be located temporally before the current picture and permitted to be located temporally after the current picture, deriving a first temporal distance between the current picture and a reference picture of the current picture, deriving a second temporal distance between the first reference picture and a reference picture of the first picture, scaling the selected motion vector based on the first and the second temporal distances and deriving at least one motion vector of the bi-predictive block by applying a bit operation to the scaled motion vector.

    Abstract translation: 在一个实施例中，该方法包括：如果第一块具有列表1的运动，则选择第一图像中的第一块的列表0运动矢量作为用于导出列表0的运动矢量和列表1双预测块的运动矢量 向量和列表0运动矢量，第一图像被允许位于当前图片之前的时间上并被允许位于当前图片之后的时间上，导出当前图片与当前图片的参考图片之间的第一时间距离， 导出第一参考图像和第一图像的参考图像之间的第二时间距离，基于第一和第二时间距离对所选择的运动矢量进行缩放，并通过应用位来导出双预测块的至少一个运动矢量 对缩放的运动矢量进行操作。

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