Image decoding method and apparatus based on a signal type of the control parameter of the current block
    3.
    发明授权
    Image decoding method and apparatus based on a signal type of the control parameter of the current block 有权
    基于当前块的控制参数的信号类型的图像解码方法和装置

    公开(公告)号:US08743969B2

    公开(公告)日:2014-06-03

    申请号:US13530218

    申请日:2012-06-22

    IPC分类号: H04N7/12

    摘要: The image decoding method includes: determining a context for use in a current block to be processed, from among a plurality of contexts; and performing arithmetic decoding on a bit sequence corresponding to the current block, using the determined context, wherein in the determining: the context is determined under a condition that control parameters of neighboring blocks of the current block are used, when the signal type is a first type, the neighboring blocks being a left block and an upper block of the current block; and the context is determined under a condition that the control parameter of the upper block is not used, when the signal type is a second type.

    摘要翻译: 图像解码方法包括:从多个上下文中确定要处理的当前块中使用的上下文; 以及使用所确定的上下文对与当前块相对应的比特序列执行算术解码,其中在所述确定中:在使用当前块的相邻块的控制参数的条件下确定所述上下文,当所述信号类型为 第一类型,相邻块是当前块的左块和上块; 并且当信号类型是第二类型时,在不使用上部块的控制参数的条件下确定上下文。

    IMAGE CODING METHOD AND IMAGE DECODING METHOD
    5.
    发明申请
    IMAGE CODING METHOD AND IMAGE DECODING METHOD 审中-公开
    图像编码方法和图像解码方法

    公开(公告)号:US20130329797A1

    公开(公告)日:2013-12-12

    申请号:US14000476

    申请日:2012-02-20

    IPC分类号: H04N7/36

    摘要: An image coding method includes: writing, to a memory, a first motion vector for a first sub-block; reading, from the memory, the first motion vector; coding a second motion vector for a second sub-block, using the first motion vector; selecting a representative motion vector from among motion vectors for sub-blocks; determining whether or not the representative motion vector is used in place of the first motion vector; and adding, to a bitstream, a flag indicating whether or not the representative motion vector is used, wherein when the representative motion vector is used: in the writing, the representative motion vector is written to the memory; in the reading, the representative motion vector is read from the memory; and in the coding, the second motion vector is coded using the representative motion vector.

    摘要翻译: 图像编码方法包括:向存储器写入第一子块的第一运动矢量; 从记忆中读出第一运动矢量; 使用所述第一运动矢量对第二子块的第二运动矢量进行编码; 从子块的运动矢量中选择代表运动矢量; 确定代表运动矢量是否代替第一运动矢量; 并且向比特流添加指示是否使用代表运动矢量的标志,其中当使用代表运动矢量时:在写入中,将代表运动矢量写入存储器; 在读取中,从存储器中读取代表运动矢量; 并且在编码中,使用代表运动矢量对第二运动矢量进行编码。

    METHODS AND APPARATUSES FOR ENCODING AND DECODING VIDEO USING MULTIPLE REFERENCE PICTURES
    6.
    发明申请
    METHODS AND APPARATUSES FOR ENCODING AND DECODING VIDEO USING MULTIPLE REFERENCE PICTURES 有权
    使用多个参考图片编码和解码视频的方法和设备

    公开(公告)号:US20130294520A1

    公开(公告)日:2013-11-07

    申请号:US13978633

    申请日:2012-01-12

    IPC分类号: H04N7/36

    摘要: A method of encoding video using a plurality of reference pictures is provided. The method includes: writing one of a parameter or a flag into one or more reference pictures of the plurality of reference pictures, creating a first list of reference pictures comprising the plurality of reference pictures sorted based on the parameter or flag, and encoding a current picture of the video using at least the first list of reference pictures. A method of decoding video using a plurality of reference pictures is also provided. The method includes parsing one of a parameter or flag from one or more reference pictures of the plurality of reference pictures, creating a first list of reference pictures comprising the plurality of reference pictures sorted based on the parameter or flag, and decoding a current picture of the video using at least the first list of reference pictures. In addition, there are provided corresponding apparatuses for encoding and decoding video.

    摘要翻译: 提供了使用多个参考图片来编码视频的方法。 该方法包括:将参数或标志中的一个写入多个参考图片的一个或多个参考图片中,创建包括基于参数或标志排序的多个参考图片的参考图片的第一列表,以及编码当前 使用至少第一参考图片列表的视频图片。 还提供了使用多个参考图片来解码视频的方法。 该方法包括从多个参考图片中的一个或多个参考图片解析参数或标记中的一个,创建包括基于参数或标志排序的多个参考图片的参考图片的第一列表,以及解码当前图片的当前图片 该视频至少使用参考图片的第一列表。 此外,还提供了用于编码和解码视频的对应装置。

    Image coding method, image decoding method, image coding apparatus, image decoding apparatus, and image coding and decoding apparatus
    7.
    发明授权
    Image coding method, image decoding method, image coding apparatus, image decoding apparatus, and image coding and decoding apparatus 有权
    图像编码方法,图像解码方法,图像编码装置,图像解码装置以及图像编码和解码装置

    公开(公告)号:US08559737B2

    公开(公告)日:2013-10-15

    申请号:US13534163

    申请日:2012-06-27

    IPC分类号: G06K9/36

    摘要: An image coding method includes: (i) determining, for each of one or more associated blocks, whether to add a motion vector of the associated block to a list, and (ii) adding the motion vector of the associated block to the list when determining that the motion vector of the associated block is to be added to the list; selecting, from the list, a motion vector which is to be merged to a current block; and (i) merging the selected motion vector to the current block, and (ii) coding the current block using the merged motion vector as a motion vector of the current block, and in the determining, it is determined that the motion vector of the associated block is not to be added to the list when an associated picture and an associated reference picture match temporally or when a current picture and a current reference picture match temporally.

    摘要翻译: 图像编码方法包括:(i)针对一个或多个关联块中的每一个确定是否将相关块的运动矢量添加到列表,以及(ii)将相关块的运动矢量添加到列表中, 确定相关块的运动矢量将被添加到列表中; 从列表中选择要合并到当前块的运动矢量; 以及(i)将所选择的运动矢量合并到当前块,以及(ii)使用合并的运动矢量对当前块进行编码作为当前块的运动矢量,并且在确定中,确定 当相关联的图片和相关联的参考图片在时间上匹配时,或当当前图片和当前参考图片在时间上匹配时,关联块不被添加到列表。

    IMAGE CODING METHOD, IMAGE DECODING METHOD, IMAGE CODING APPARATUS, IMAGE DECODING APPARATUS, PROGRAM, AND INTEGRATED CIRUIT
    8.
    发明申请
    IMAGE CODING METHOD, IMAGE DECODING METHOD, IMAGE CODING APPARATUS, IMAGE DECODING APPARATUS, PROGRAM, AND INTEGRATED CIRUIT 有权
    图像编码方法,图像解码方法,图像编码装置,图像解码装置,程序和集成电路

    公开(公告)号:US20130235933A1

    公开(公告)日:2013-09-12

    申请号:US13988582

    申请日:2011-11-24

    IPC分类号: H04N7/32

    摘要: An image coding method includes: obtaining first information and second information from a current signal to be coded, the first information identifying at least one reference picture list used in inter prediction of an image out of a plurality of reference picture lists, the second information identifying at least one reference picture used in the inter prediction of the image out of reference pictures included in the at least one reference picture list identified by the first information; mixing the first information and the second information to generate a mixed signal; selecting a variable-length coding table according to a maximum variation range of the mixed signal; and variable-length coding the mixed signal using the selected variable-length coding table.

    摘要翻译: 一种图像编码方法包括:从当前要编码的信号中获取第一信息和第二信息,所述第一信息标识用于多个参考图像列表中的图像的帧间预测中使用的至少一个参考图像列表,所述第二信息识别 在包括在由第一信息识别的至少一个参考图像列表中的参考图像中的图像的帧间预测中使用的至少一个参考图像; 混合第一信息和第二信息以产生混合信号; 根据混合信号的最大变化范围选择可变长度编码表; 并使用所选择的可变长度编码表对混合信号进行可变长度编码。

    IMAGE CODING METHOD, IMAGE DECODING METHOD, IMAGE CODING APPARATUS, IMAGE DECODING APPARATUS, AND IMAGE CODING AND DECODING APPARATUS
    10.
    发明申请
    IMAGE CODING METHOD, IMAGE DECODING METHOD, IMAGE CODING APPARATUS, IMAGE DECODING APPARATUS, AND IMAGE CODING AND DECODING APPARATUS 有权
    图像编码方法,图像解码方法,图像编码装置,图像解码装置,图像编码和解码装置

    公开(公告)号:US20130136375A1

    公开(公告)日:2013-05-30

    申请号:US13816838

    申请日:2012-06-28

    IPC分类号: G06T9/00

    摘要: An image coding method includes coding first binary data indicating a first intra prediction mode and second binary data indicating a second intra prediction mode, wherein in the coding, a first context adaptive portion which is part of the first binary data and a second context adaptive portion which is part of the second binary data are coded by context adaptive binary arithmetic coding, a first bypass portion which is different part of the first binary data and a second bypass portion which is different part of the second binary data are coded by bypass coding, and coded data is generated which includes the first context adaptive portion, the second context adaptive portion, the first bypass portion, and the second bypass portion, the first bypass portion and the second bypass portion being included subsequent to the first context adaptive portion and the second context adaptive portion.

    摘要翻译: 图像编码方法包括编码表示第一帧内预测模式的第一二进制数据和表示第二帧内预测模式的第二二进制数据,其中在编码中,作为第一二进制数据的一部分的第一上下文自适应部分和第二上下文自适应部分 作为第二二进制数据的一部分的上下文自适应二进制算术编码进行编码,作为第一二进制数据的不同部分的第一旁路部分和作为第二二进制数据的不同部分的第二旁路部分通过旁路编码进行编码, 并且生成包括第一上下文自适应部分,第二上下文自适应部分,第一旁路部分和第二旁路部分的编码数据,第一旁路部分和第二旁路部分包括在第一上下文自适应部分之后,并且 第二上下文自适应部分。