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    Adaptive filtering based on pattern information
    71.
    发明授权
    Adaptive filtering based on pattern information 有权
    基于模式信息的自适应滤波

    公开(公告)号：US09451271B2

    公开(公告)日：2016-09-20

    申请号：US13187961

    申请日：2011-07-21

    申请人： Ying Liu ,  Dake He

    发明人： Ying Liu ,  Dake He

    IPC分类号： H04N7/26 ,  H04N19/17 ,  H04N19/46 ,  H04N19/117 ,  H04N19/136

    CPC分类号： H04N19/17 ,  H04N19/117 ,  H04N19/136 ,  H04N19/46

    摘要： Encoding video data that includes a frame includes: generating a reconstructed frame from compressed data for the frame, partitioning at least some pixels of the reconstructed frame into a plurality of segments of one or more pixels, based at least in part on pattern information for individual pixels, and generating respective filter information for each of one or more of the plurality of segments. Encoded video data is generated that includes the compressed data for the frame and the generated filter information.

    摘要翻译： 对包括帧的视频数据进行编码包括：至少部分地基于用于个体的图案信息，从所述帧的压缩数据生成重建帧，将所述重构帧的至少一些像素划分为一个或多个像素的多个片段 并且为多个片段中的一个或多个片段中的每个片段的每一个片段生成相应的滤色器信息。 生成包括帧的压缩数据和生成的过滤器信息的编码视频数据。

    Multi-level significance maps for encoding and decoding
    73.
    发明授权
    Multi-level significance maps for encoding and decoding 有权
    用于编码和解码的多级重要性图

    公开(公告)号：US08964849B2

    公开(公告)日：2015-02-24

    申请号：US13286336

    申请日：2011-11-01

    申请人： Nguyen Nguyen ,  Tianying Ji ,  Dake He

    发明人： Nguyen Nguyen ,  Tianying Ji ,  Dake He

    IPC分类号： H04N19/60 ,  H04N19/132 ,  H04N19/18 ,  H04N19/70 ,  H04N19/91 ,  H04N19/61 ,  H04N19/136 ,  H04N19/13 ,  H04N19/172 ,  H04N19/159

    CPC分类号： H04N19/122 ,  H04N19/13 ,  H04N19/132 ,  H04N19/136 ,  H04N19/157 ,  H04N19/159 ,  H04N19/172 ,  H04N19/18 ,  H04N19/196 ,  H04N19/61 ,  H04N19/70 ,  H04N19/91

    摘要： Methods of encoding and decoding for video data are described in which multi-level significance maps are used in the encoding and decoding processes. The significant-coefficient flags that form the significance map are grouped into contiguous groups, and a significant-coefficient-group flag signifies for each group whether that group contains no non-zero significant-coefficient flags. If there are no non-zero significant-coefficient flags in the group, then the significant-coefficient-group flag is set to zero. The set of significant-coefficient-group flags is encoded in the bitstream. Any significant-coefficient flags that fall within a group that has a significant-coefficient-group flag that is non-zero are encoded in the bitstream, whereas significant-coefficient flags that fall within a group that has a significant-coefficient-group flag that is zero are not encoded in the bitstream.

    摘要翻译： 描述了用于视频数据的编码和解码方法，其中在编码和解码过程中使用多级重要性图。 形成有效图的有效系数标记被分组成连续的组，并且对于每个组，有意义的系数组标志表示该组是否包含非零有效系数标志。 如果组中没有非零有效系数标志，则有效系数组标志被设置为零。 在比特流中编码有效系数组标志的集合。 位于具有非零值的有效系数组标志的组内的任何有效系数标志被编码在比特流中，而落在具有有效系数组标志的组内的有效系数标志位 是零不在比特流中编码。

    Methods and devices for incorporating deblocking into encoded video
    74.
    发明授权
    Methods and devices for incorporating deblocking into encoded video 有权
    将解块锁定到编码视频中的方法和设备

    公开(公告)号：US08804826B2

    公开(公告)日：2014-08-12

    申请号：US13085580

    申请日：2011-04-13

    申请人： Jinwen Zan ,  Dake He ,  En-hui Yang

    发明人： Jinwen Zan ,  Dake He ,  En-hui Yang

    IPC分类号： H04N7/50

    CPC分类号： H04N19/105 ,  H04N19/117 ,  H04N19/154 ,  H04N19/17 ,  H04N19/82 ,  H04N19/86

    摘要： Encoders and methods of encoding that incorporate deblocking into the encoding process. An encoder performs a two-cycle encoding process. First, an original block is processed and then reconstructed and deblocked. The reconstruction and the deblocked reconstruction are compared to the original and an intermediate block is created that contains the portions of the reconstruction or the deblocked reconstruction that are more similar to the original. In the second cycle, the intermediate block serves to generate a modified original block, which is then used in a prediction process to create a new prediction block. The new prediction block as compared to the original gives new residuals. The new prediction and new residuals are entropy coded to generate the encoded video data. The new prediction block and new residuals incorporate the deblocking elements selectively identified during the first cycle, thereby eliminating the need for deblocking at the decoder. The prediction operation may be motion prediction or spatial prediction.

    摘要翻译： 编码器和编码方法，将解封锁结合到编码过程中。 编码器执行两周期编码处理。 首先，处理原始块，然后重建和解块。 将重建和解块重构与原始的重建进行比较，创建一个包含与原来更接近的重构或解块重构的部分的中间块。 在第二周期中，中间块用于产生经修改的原始块，然后将其用于预测过程以创建新的预测块。 与原来相比，新的预测块产生了新的残差。 新的预测和新的残差被熵编码以产生编码的视频数据。 新的预测块和新的残差包括在第一周期期间选择性地识别的去块元件，从而消除了在解码器处的解块的需要。 预测操作可以是运动预测或空间预测。

    Methods and devices for data compression using offset-based adaptive reconstruction levels
    75.
    发明授权
    Methods and devices for data compression using offset-based adaptive reconstruction levels 有权
    使用基于偏移的自适应重建级别进行数据压缩的方法和装置

    公开(公告)号：US08780972B2

    公开(公告)日：2014-07-15

    申请号：US13155616

    申请日：2011-06-08

    申请人： Dake He ,  Xiang Yu ,  Jing Wang ,  En-hui Yang

    发明人： Dake He ,  Xiang Yu ,  Jing Wang ,  En-hui Yang

    IPC分类号： H04N7/12 ,  H04N11/02 ,  H04N11/04 ,  H04N7/26 ,  H04N7/50

    CPC分类号： H04N19/124 ,  H04N19/147 ,  H04N19/172 ,  H04N19/174 ,  H04N19/176 ,  H04N19/177 ,  H04N19/192 ,  H04N19/194 ,  H04N19/196 ,  H04N19/463 ,  H04N19/61 ,  H04N19/70

    摘要： Encoding and decoding methods are presented that used offset-based adaptive reconstruction levels. The offset data is inserted in the bitstream with the encoded video data. The offset data may be differential data and may be an index to an array of offset values from which the differential offset is calculated by the decoder. The offset to an adaptive reconstruction level may be adjusted for each slice. The offsets may be specific to a particular level/index and data type. In some cases, offsets may only be sent for a subset of the levels. Higher levels may apply no offset, may apply an average offset, or may apply the offset used for the highest level having a level-specific offset.

    摘要翻译： 提出了使用基于偏移的自适应重建级别的编码和解码方法。 偏移数据被插入到具有编码视频数据的比特流中。 偏移数据可以是差分数据，并且可以是由解码器计算差分偏移的偏移值的阵列的索引。 可以针对每个切片调整对自适应重建级别的偏移。 偏移量可能特定于特定级别/索引和数据类型。 在某些情况下，只能为子集的级别发送偏移量。 较高的等级可以不应用偏移量，可以应用平均偏移量，或者可以应用用于具有水平特定偏移量的最高级别的偏移量。

    Method and device for buffer-based interleaved encoding of an input sequence
    76.
    发明授权
    Method and device for buffer-based interleaved encoding of an input sequence 有权
    用于输入序列的基于缓冲器的交错编码的方法和设备

    公开(公告)号：US08638247B2

    公开(公告)日：2014-01-28

    申请号：US13316958

    申请日：2011-12-12

    申请人： Gergely Ferenc Korodi ,  Dake He

    发明人： Gergely Ferenc Korodi ,  Dake He

    IPC分类号： H03M7/00

    CPC分类号： H03M7/40

    摘要： A method for encoding an input sequence of symbols. The method includes, sequentially, for each symbol in the input sequence, determining an estimated probability for that symbol based on a context model, identifying a codeword associated with a sequence of symbols resulting from appending that symbol to a previous sequence of symbols associated with that estimated probability, using an encoding tree associated with that estimated probability, and storing the codeword in a buffer element of a first-in-first-out buffer, wherein the buffer element is associated with the estimated probability. Stored codewords are output from the buffer in a first-in-first-out order.

    摘要翻译： 一种编码输入符号序列的方法。 该方法包括依次为输入序列中的每个符号确定基于上下文模型的该符号的估计概率，识别与由该符号序列相关联的符号序列相关联的码元与之前相关联的符号相关联的码元相关联的码字 估计概率，使用与该估计概率相关联的编码树，以及将码字存储在先进先出缓冲器的缓冲器元件中，其中缓冲器元件与估计的概率相关联。 以先入先出的顺序从缓冲器输出存储的代码字。

    MULTI-LEVEL SIGNIFICANCE MAP SCANNING
    78.
    发明申请
    MULTI-LEVEL SIGNIFICANCE MAP SCANNING 有权
    多层次意义地图扫描

    公开(公告)号：US20130128985A1

    公开(公告)日：2013-05-23

    申请号：US13446186

    申请日：2012-04-13

    申请人： Dake HE ,  Nguyen NGUYEN ,  Tianying JI

    发明人： Dake HE ,  Nguyen NGUYEN ,  Tianying JI

    IPC分类号： H04N7/30

    CPC分类号： H04N19/40 ,  H04N19/129 ,  H04N19/13 ,  H04N19/136 ,  H04N19/176 ,  H04N19/18 ,  H04N19/46 ,  H04N19/61 ,  H04N19/63 ,  H04N19/70 ,  H04N19/91

    摘要： Methods of encoding and decoding for video data are described in which multi-level significance maps are used in the encoding and decoding processes. The significant-coefficient flags that form the significance map are grouped into contiguous groups, and a significant-coefficient-group flag signifies for each group whether that group contains no non-zero significant-coefficient flags. A multi-level scan order may be used in which significant-coefficient flags are scanned group-by-group. The group scan order specifies the order in which the groups are processed, and the scan order specifies the order in which individual significant-coefficient flags within the group are processed. The bitstream may interleave the significant-coefficient-group flags and their corresponding significant-coefficient flags, if any.

    摘要翻译： 描述了用于视频数据的编码和解码方法，其中在编码和解码过程中使用多级重要性图。 形成有效图的有效系数标记被分组成连续的组，并且对于每个组，有意义的系数组标志表示该组是否包含非零有效系数标志。 可以使用多级扫描顺序，其中显着系数标志逐个扫描。 组扫描顺序指定处理组的顺序，扫描顺序指定处理组内各个有效系数标志的顺序。 比特流可以交织有效系数组标志及其对应的有效系数标志（如果有的话）。