Encoding of Prediction Residuals for Lossless Video Coding
    1.
    发明申请
    Encoding of Prediction Residuals for Lossless Video Coding 有权
    无损视频编码的预测残差编码

    公开(公告)号:US20130003840A1

    公开(公告)日:2013-01-03

    申请号:US13539196

    申请日:2012-06-29

    IPC分类号: H04N7/32

    摘要: An apparatus used in video encoding comprising a processor configured to generate a prediction block for a current block, compute a difference between the current block and the prediction block to generate a residual block, wherein the residual block comprises a plurality of residual values, and if the plurality of residual values include at least one non-zero residual value comprising at least one sign and at least one residual level, perform entropy encoding on the at least one sign; and perform entropy encoding on the at least one residual level, wherein one non-residual value comprises one sign and one residual level.

    摘要翻译: 一种用于视频编码的装置,包括:处理器,被配置为生成当前块的预测块,计算当前块与预测块之间的差以产生残差块,其中残余块包括多个残差值,如果 所述多个残余值包括至少一个包含至少一个符号和至少一个剩余电平的非零残余值,对所述至少一个符号执行熵编码; 并且在所述至少一个残余级别上执行熵编码,其中一个非残差值包括一个符号和一个残余级别。

    Method and apparatus for decoding and encoding video, and method and apparatus for predicting direct current coefficient
    6.
    发明授权
    Method and apparatus for decoding and encoding video, and method and apparatus for predicting direct current coefficient 有权
    用于视频解码和编码的方法和装置,以及用于预测直流系数的方法和装置

    公开(公告)号:US09420290B2

    公开(公告)日:2016-08-16

    申请号:US13439052

    申请日:2012-04-04

    摘要: Embodiments of the present invention provide a method and an apparatus for decoding and encoding a video, and a method and an apparatus for predicting a direct current coefficient. The video decoding method includes: receiving current frame image information sent by an encoding end, where the current frame image information includes prediction value information, and the prediction value information includes at least one intra-frame direct current DC prediction value; selecting a prediction value from the at least one intra-frame DC prediction value in the prediction value information as an intra-frame DC prediction value of the current image. Through the embodiments of the present invention, flexibility of encoding and decoding a video can be improved.

    摘要翻译: 本发明的实施例提供了一种用于对视频进行解码和编码的方法和装置,以及用于预测直流系数的方法和装置。 视频解码方法包括:接收由编码端发送的当前帧图像信息,其中当前帧图像信息包括预测值信息,并且预测值信息包括至少一个帧内直流DC预测值; 从预测值信息中的至少一个帧内DC预测值中选择预测值作为当前图像的帧内DC预测值。 通过本发明的实施例,可以提高编码和解码视频的灵活性。

    METHOD AND APPARATUS FOR DECODING AND ENCODING VIDEO, AND METHOD AND APPARATUS FOR PREDICTING DIRECT CURRENT COEFFICIENT
    7.
    发明申请
    METHOD AND APPARATUS FOR DECODING AND ENCODING VIDEO, AND METHOD AND APPARATUS FOR PREDICTING DIRECT CURRENT COEFFICIENT 有权
    用于解码和编码视频的方法和装置,以及用于预测直流电流系数的方法和装置

    公开(公告)号:US20120195380A1

    公开(公告)日:2012-08-02

    申请号:US13439052

    申请日:2012-04-04

    IPC分类号: H04N7/32 H04N7/12

    摘要: Embodiments of the present invention provide a method and an apparatus for decoding and encoding a video, and a method and an apparatus for predicting a direct current coefficient. The video decoding method includes: receiving current frame image information sent by an encoding end, where the current frame image information includes prediction value information, and the prediction value information includes at least one intra-frame direct current DC prediction value; selecting a prediction value from the at least one intra-frame DC prediction value in the prediction value information as an intra-frame DC prediction value of the current image. Through the embodiments of the present invention, flexibility of encoding and decoding a video can be improved.

    摘要翻译: 本发明的实施例提供了一种用于对视频进行解码和编码的方法和装置,以及用于预测直流系数的方法和装置。 视频解码方法包括:接收由编码端发送的当前帧图像信息,其中当前帧图像信息包括预测值信息,并且预测值信息包括至少一个帧内直流DC预测值; 从预测值信息中的至少一个帧内DC预测值中选择预测值作为当前图像的帧内DC预测值。 通过本发明的实施例,可以提高编码和解码视频的灵活性。