METHOD AND APPARATUS FOR IMPROVED ENTROPY ENCODING AND DECODING
    1.
    发明申请
    METHOD AND APPARATUS FOR IMPROVED ENTROPY ENCODING AND DECODING 有权
    改进熵编码和解码的方法和装置

    公开(公告)号:US20130208806A1

    公开(公告)日:2013-08-15

    申请号:US13879378

    申请日:2011-10-06

    IPC分类号: H04N7/26

    摘要: Methods and apparatus are provided for improved entropy encoding and decoding. An apparatus includes a video encoder for encoding at least a block in a picture by transforming a residue of the block to obtain transform coefficients, quantizing the transform coefficients to obtain quantized transform coefficients, and entropy coding the quantized transform coefficients. The quantized transform coefficients are encoded using a flag to indicate that a current one of the quantized transform coefficients being processed is a last non-zero coefficient for the block having a value greater than or equal to a specified value.

    摘要翻译: 提供了用于改进熵编码和解码的方法和装置。 一种装置包括一个视频编码器,用于通过对该块的残差进行变换来获得变换系数,对该变换系数进行量化以获得量化的变换系数,以及对量化的变换系数进行熵编码来对图像中的至少一个块进行编码。 使用标志对量化的变换系数进行编码,以指示正被处理的当前一个量化变换系数是具有大于或等于指定值的值的块的最后非零系数。

    Methods and apparatus for efficient video encoding and decoding of intra prediction mode
    7.
    发明授权
    Methods and apparatus for efficient video encoding and decoding of intra prediction mode 有权
    用于帧内预测模式的高效视频编码和解码的方法和装置

    公开(公告)号:US09154798B2

    公开(公告)日:2015-10-06

    申请号:US13496052

    申请日:2010-09-14

    摘要: Methods and apparatus are provided for efficient video encoding and decoding of intra prediction mode. An apparatus includes a video encoder for encoding picture data for at least a block in a picture by determining a spatial pattern for a decoded intra prediction mode residue used to reconstruct the picture at the video encoder. The decoded intra prediction mode residue is obtained by inverse quantizing and inverse transforming a transformed and quantized difference between an original version of the block and at least one reference block. The spatial pattern is used to determine an intra prediction mode for encoding the block.

    摘要翻译: 提供了用于帧内预测模式的有效视频编码和解码的方法和装置。 一种装置包括一个视频编码器,用于通过确定用于在视频编码器处重构图像的解码帧内预测模式残差的空间模式来对图像中的至少一个块的图像数据进行编码。 通过对块的原始版本与至少一个参考块进行逆量化和逆变换变换和量化的差异来获得解码的帧内预测模式残差。 空间模式用于确定用于编码块的帧内预测模式。

    METHODS AND APPARATUS FOR ADAPTIVE RESIDUAL UPDATING OF TEMPLATE MATCHING PREDICTION FOR VIDEO ENCODING AND DECODING
    9.
    发明申请
    METHODS AND APPARATUS FOR ADAPTIVE RESIDUAL UPDATING OF TEMPLATE MATCHING PREDICTION FOR VIDEO ENCODING AND DECODING 审中-公开
    适用于视频编码和解码的模板匹配预测的适应性更新方法和装置

    公开(公告)号:US20120281752A1

    公开(公告)日:2012-11-08

    申请号:US13514814

    申请日:2010-12-02

    IPC分类号: H04N7/32 H04N7/26 H04N7/50

    摘要: Methods and apparatus are provided for adaptive residual updating of template matching prediction for video encoding and decoding. In one embodiment, an apparatus and method encodes picture data for at least a block in a picture using template matching prediction, wherein the template matching prediction involves selecting from among a plurality of residual updating schemes for use in encoding the block. In another embodiment, an apparatus and method encodes a block in a picture using template matching prediction, wherein the template matching prediction involves partitioning the block into a plurality of sub-blocks, and applying a transform to a residual of a particular sub-block from among the plurality of sub-blocks subsequent to searching for a prediction for the particular sub-block block and prior to completion of processing of the block with respect to the template matching prediction.

    摘要翻译: 提供了用于视频编码和解码的模板匹配预测的自适应残差更新的方法和装置。 在一个实施例中,一种装置和方法使用模板匹配预测对图片中的至少一个块的图像数据进行编码,其中模板匹配预测涉及从用于编码块的多个残留更新方案中进行选择。 在另一个实施例中,一种装置和方法使用模板匹配预测对图片中的块进行编码,其中模板匹配预测涉及将块划分成多个子块,并将变换应用于特定子块的残差 在针对特定子块块搜索预测之后的多个子块中以及在相对于模板匹配预测完成块的处理之前的多个子块中。