视频编码方法和装置
    1.
    发明申请

    公开(公告)号:WO2017177675A1

    公开(公告)日:2017-10-19

    申请号:PCT/CN2016/105844

    申请日:2016-11-15

    IPC分类号: H04N19/503 H04N19/587

    CPC分类号: H04N19/503 H04N19/587

    摘要: 本发明公开了一种视频编码方法和装置,属于视频编码技术领域。该方法包括:判断至少一个备选背景帧中每个备选背景帧是否满足预设规则,至少一个备选背景帧是通过预设的背景帧获取方式得到的背景帧;当至少一个备选背景帧中存在满足预设规则的备选背景帧时,在满足预设规则的备选背景帧中确定目标背景帧;将目标背景帧作为待编码视频序列中的帧间编码帧的参考帧插入待编码视频序列中进行视频编码,本发明解决了在无背景场景中插入背景帧时降低编码效率的问题,提高了视频编码的效率。

    METHODS, ENCODERS AND DECODERS FOR CODING OF VIDEO SEQUENCES
    4.
    发明申请
    METHODS, ENCODERS AND DECODERS FOR CODING OF VIDEO SEQUENCES 审中-公开
    用于编码视频序列的方法,编码器和解码器

    公开(公告)号:WO2016043637A1

    公开(公告)日:2016-03-24

    申请号:PCT/SE2014/051083

    申请日:2014-09-19

    摘要: Methods, encoders (110) and decoders (120) for encoding frames of a video sequence into an encoded representation of the video sequence are disclosed. The encoder (110) encodes (203) frames into a first set of encoded units, while specifying at least one residual parameter in one or more of the first set of encoded units. The encoder (110) encodes (204) frames into a second set of encoded units, while refraining from specifying the at least one residual parameter. The encoder (110) encodes (203) frames into a first set of encoded units, wherein each frame has a first level of fidelity. The encoder (110) encodes (204) frames into a second set of encoded units, wherein each frame has a second level of fidelity, wherein the second level is less than the first level. The decoder (120) decodes (212, 213), while obtaining a first or a second level of fidelity for each frame. When the second level is less than the first level, the decoder (120) enhances (216) a second set of frames towards obtaining the first level of fidelity for each frame of the second set. Corresponding computer programs and carriers therefor are also disclosed.

    摘要翻译: 公开了用于将视频序列的帧编码成视频序列的编码表示的编码器(110)和解码器(120)。 编码器(110)将(203)帧编码为第一组编码单元,同时在第一组编码单元中的一个或多个中指定至少一个残差参数。 编码器(110)将(204)帧编码为第二组编码单元,同时避免规定至少一个残差参数。 编码器(110)将(203)帧编码成第一组编码单元,其中每个帧具有第一级保真度。 编码器(110)将(204)帧编码成第二组编码单元,其中每个帧具有第二级保真度,其中第二级小于第一级。 解码器(120)解码(212,213),同时获得每帧的第一或第二级的保真度。 当第二级别小于第一级时,解码器(120)增强(216)第二组帧,以获得第二组的每个帧的第一级保真度。 还公开了相应的计算机程序和载体。

    PICTURE REFERENCING CONTROL FOR VIDEO DECODING USING A GRAPHICS PROCESSOR
    6.
    发明申请
    PICTURE REFERENCING CONTROL FOR VIDEO DECODING USING A GRAPHICS PROCESSOR 审中-公开
    使用图形处理器进行视频解码的图像参考控制

    公开(公告)号:WO2014209414A1

    公开(公告)日:2014-12-31

    申请号:PCT/US2013/060236

    申请日:2013-09-18

    摘要: A video decoder obtains a first set of picture buffering parameters associated with a current picture of an encoded video bitstream. The first set of picture buffering parameters identifies a set of one or more reference pictures for use in decoding the current picture by a graphics processor. The video decoder revises the first set of picture buffering parameters into a second (different) set of picture buffering parameters for use in decoding the current picture by the graphics processor. The second set of picture buffering parameters is transferred to the graphics processor for decoding the current picture.

    摘要翻译: 视频解码器获得与编码视频比特流的当前图像相关联的第一组图像缓冲参数。 第一组图像缓冲参数识别用于由图形处理器解码当前图像的一组或多个参考图片。 视频解码器将第一组图像缓冲参数修改为第二(不同)图像缓冲参数集合,以用于图形处理器对当前图像的解码。 第二组图像缓冲参数被传送到图形处理器以解码当前图像。

    VIDEO CODING USING LOWER RESOLUTION STREAMS
    7.
    发明申请
    VIDEO CODING USING LOWER RESOLUTION STREAMS 审中-公开
    使用较低分辨率流的视频编码

    公开(公告)号:WO2014070941A1

    公开(公告)日:2014-05-08

    申请号:PCT/US2013/067596

    申请日:2013-10-30

    摘要: An encoding system comprises: an input for receiving a video signal comprising a plurality of frames each comprising a plurality of higher resolution samples; and a projection generator configured, for each respective one of the frames, to generate multiple different projections of the respective frame. Each projection comprises a plurality of lower resolution samples representing the respective frame at a lower resolution, wherein the lower resolution samples of the different projections represent different but overlapping groups of the higher resolution samples of the respective frame. The encoding system comprises an encoder configured to encode the video signal by encoding the projections of each of the respective frames.

    摘要翻译: 编码系统包括:用于接收包括多个帧的视频信号的输入,每个帧包括多个更高分辨率的样本; 以及投影发生器,为每个相应的一个帧配置,以产生相应帧的多个不同的投影。 每个投影包括以较低分辨率表示相应帧的多个较低分辨率样本,其中不同投影的较低分辨率样本表示相应帧的较高分辨率样本的不同但重叠的组。 编码系统包括编码器,其被配置为通过对各个帧中的每一个的投影进行编码来对视频信号进行编码。

    MOTION DERIVATION AND CODING FOR SCALING VIDEO
    10.
    发明申请
    MOTION DERIVATION AND CODING FOR SCALING VIDEO 审中-公开
    移动视频的运动和编码

    公开(公告)号:WO2014050104A1

    公开(公告)日:2014-04-03

    申请号:PCT/JP2013/005707

    申请日:2013-09-26

    IPC分类号: H04N19/30 H04N19/50

    摘要: A system utilizing motion derivation and coding for scaling video is described. The system may include an electronic device configured to receive a first layer bitstream and a second enhancement layer bitstream corresponding to the first layer bitstream. The electronic device may be configured to derive a motion vector at the second layer representation from the first layer representation.

    摘要翻译: 描述了利用用于缩放视频的运动导出和编码的系统。 该系统可以包括被配置为接收对应于第一层比特流的第一层比特流和第二增强层比特流的电子设备。 电子设备可以被配置为从第一层表示导出第二层表示处的运动矢量。