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    Method and apparatus for encoding video by using dynamic-range transformation, and method and apparatus for decoding video by using dynamic-range transformation
    5.
    发明授权
    Method and apparatus for encoding video by using dynamic-range transformation, and method and apparatus for decoding video by using dynamic-range transformation 有权
    通过使用动态范围变换来编码视频的方法和装置，以及通过使用动态范围变换对视频进行解码的方法和装置

    公开(公告)号：US09100661B2

    公开(公告)日：2015-08-04

    申请号：US13079982

    申请日：2011-04-05

    申请人： Elena Alshina ,  Alexander Alshin ,  Woo-jin Han ,  Tammy Lee ,  Yoon-mi Hong

    发明人： Elena Alshina ,  Alexander Alshin ,  Woo-jin Han ,  Tammy Lee ,  Yoon-mi Hong

    IPC分类号： H04N19/00 ,  H04N19/61 ,  H04N19/98

    CPC分类号： H04N19/61 ,  H04N19/98

    摘要： Provided is a method and apparatus for encoding a video by using dynamic range transformation based on content and a method and apparatus for decoding a video by using dynamic range transformation based on content. The encoding method includes: performing inter prediction, through motion estimation, and intra prediction for a current region using image data in which a dynamic range of the current region is transformed based on content of an image of input video; performing transformation on residual data generated by the intra prediction and the inter prediction and performing quantization on a transformation coefficient generated by the transformation; and performing entropy encoding on the quantized transformation coefficient.

    摘要翻译： 提供了一种通过使用基于内容的动态范围变换来编码视频的方法和装置，以及通过使用基于内容的动态范围变换对视频进行解码的方法和装置。 编码方法包括：使用基于输入图像的图像的内容对当前区域的动态范围进行变换的图像数据，通过运动估计和当前区域的帧内预测进行帧间预测; 对由帧内预测和帧间预测生成的残差数据进行变换，对由变换生成的变换系数进行量化; 对量化的变换系数进行熵编码。

    METHOD AND APPARATUS FOR VIDEO ENCODING AND METHOD AND APPARATUS FOR VIDEO DECODING
    9.
    发明申请
    METHOD AND APPARATUS FOR VIDEO ENCODING AND METHOD AND APPARATUS FOR VIDEO DECODING 审中-公开
    用于视频编码的方法和装置以及用于视频解码的方法和装置

    公开(公告)号：US20130083851A1

    公开(公告)日：2013-04-04

    申请号：US13640255

    申请日：2011-04-06

    申请人： Alexander Alshin ,  Elena Alshina ,  Nikolay Shlyakhov ,  Tammy Lee

    发明人： Alexander Alshin ,  Elena Alshina ,  Nikolay Shlyakhov ,  Tammy Lee

    IPC分类号： H04N7/36

    CPC分类号： H04N19/176 ,  H04N19/182 ,  H04N19/537 ,  H04N19/577

    摘要： Methods and apparatuses for encoding and decoding a video by using pixel unit bi-directional motion compensation are provided. According to the method of encoding a video, pixel unit motion compensation is performed on each pixel of a current block by using pixels of first and second reference pictures used for bi-directional motion prediction and compensation, in addition to block unit bi-directional motion compensation performed on the current block, and a bi-directional motion prediction value of the current block is generated by using results of the block unit bi-directional motion compensation and pixel unit motion compensation.

    摘要翻译： 提供了通过使用像素单元双向运动补偿来对视频进行编码和解码的方法和装置。 根据编码视频的方法，除了块单元双向运动之外，通过使用用于双向运动预测和补偿的第一和第二参考图像的像素，对当前块的每个像素执行像素单位运动补偿 通过使用块单位双向运动补偿和像素单位运动补偿的结果，生成对当前块执行的补偿和当前块的双向运动预测值。

    Method and apparatus for encoding and decoding video based on first sub-pixel unit and second sub-pixel unit
    10.
    发明授权
    Method and apparatus for encoding and decoding video based on first sub-pixel unit and second sub-pixel unit 有权
    基于第一子像素单元和第二子像素单元对视频进行编码和解码的方法和装置

    公开(公告)号：US08711939B2

    公开(公告)日：2014-04-29

    申请号：US13080121

    申请日：2011-04-05

    申请人： Elena Alshina ,  Alexander Alshin ,  Min-su Cheon ,  Woo-jin Han ,  Tammy Lee

    发明人： Elena Alshina ,  Alexander Alshin ,  Min-su Cheon ,  Woo-jin Han ,  Tammy Lee

    IPC分类号： H04N7/26

    CPC分类号： H04N19/523 ,  H04N19/30 ,  H04N19/46 ,  H04N19/52 ,  H04N19/53 ,  H04N19/533 ,  H04N19/96

    摘要： Methods and apparatuses for encoding and decoding video are provided. The encoding method includes: performing motion estimation on a current block according to a first sub-pixel unit, and obtaining a motion vector in the first sub-pixel unit with respect to the current block; interpolating a reference picture indicated by the motion vector according to a second sub-pixel unit smaller than the first sub-pixel unit; using the interpolated reference picture, selecting a second sub-pixel in the second sub-pixel unit adjacent to a first sub-pixel in the first sub-pixel unit of the reference picture; selecting a corresponding region that has a smaller error with the current block, from among a first corresponding region of the reference picture and obtained with respect to the first sub-pixel, and a second corresponding region of the current block and obtained with respect to the selected second sub-pixel; and encoding information of the selected corresponding region.

    摘要翻译： 提供用于编码和解码视频的方法和装置。 编码方法包括：根据第一子像素单元对当前块执行运动估计，并获得关于当前块的第一子像素单元中的运动矢量; 根据比第一子像素单元小的第二子像素单元内插由运动矢量指示的参考图像; 使用内插参考图像，在与参考图片的第一子像素单元中的第一子像素相邻的第二子像素单元中选择第二子像素; 从参考图像的第一对应区域中，相对于第一子像素选择与当前块具有较小误差的对应区域，以及当前块的第二对应区域，并相对于 选择的第二子像素; 以及编码所选择的对应区域的信息。