SINGLE PASS ADAPTIVE INTERPOLATION FILTER
    1.
    发明申请
    SINGLE PASS ADAPTIVE INTERPOLATION FILTER 审中-公开
    单通道自适应插值滤波器

    公开(公告)号:US20110116546A1

    公开(公告)日:2011-05-19

    申请号:US12865125

    申请日:2010-06-23

    IPC分类号: H04N7/32

    摘要: A method for performing single-pass adaptive interpolation filtering in order to code a bitstream includes: receiving the video frames; selecting an interpolation filter from a competitive filter set; performing motion prediction on a current frame of the video frame utilizing the interpolation filter; encoding the current frame into the bitstream; and updating the competitive filter set.

    摘要翻译: 一种用于执行单遍自适应内插滤波以便对比特流进行编码的方法包括:接收视频帧; 从竞争性滤波器组中选择插值滤波器; 使用内插滤波器对视频帧的当前帧执行运动预测; 将当前帧编码到比特流中; 并更新竞争性过滤器集合。

    Adaptive filter
    3.
    发明授权
    Adaptive filter 有权
    自适应滤波器

    公开(公告)号:US08437394B2

    公开(公告)日:2013-05-07

    申请号:US12405251

    申请日:2009-03-17

    摘要: A video encoder includes a prediction unit for performing prediction techniques according to original video data and reconstructed video data to generate prediction samples, a reconstruction unit for reconstructing the prediction samples to form the reconstructed video data, and a reference picture buffer for storing the reconstructed video data as reference video data. The video encoder also includes a filter parameter estimator for estimating filter parameters according to the original video data of a current picture and the reconstructed video data of the current picture, and an adaptive loop filter for filtering the reconstructed video data of the current picture according to stored filter parameters of a prior picture in coding order. The filter parameter estimator and adaptive loop filter can operate in parallel.

    摘要翻译: 视频编码器包括:预测单元,用于执行根据原始视频数据的预测技术和重建的视频数据以产生预测采样;重构单元,用于重建预测采样以形成重构的视频数据;以及参考图像缓冲器,用于存储重建的视频 数据作为参考视频数据。 视频编码器还包括滤波器参数估计器,用于根据当前图像的原始视频数据和当前图像的重建视频数据估计滤波器参数,以及自适应环路滤波器,用于根据当前图像的重构视频数据进行滤波 以编码顺序存储先验图像的滤波器参数。 滤波器参数估计器和自适应环路滤波器可以并联运行。

    ADAPTIVE FILTER
    4.
    发明申请
    ADAPTIVE FILTER 有权
    自适应滤光片

    公开(公告)号:US20100074330A1

    公开(公告)日:2010-03-25

    申请号:US12405251

    申请日:2009-03-17

    IPC分类号: H04N7/26

    摘要: A video encoder includes a prediction unit for performing prediction techniques according to original video data and reconstructed video data to generate prediction samples, a reconstruction unit for reconstructing the prediction samples to form the reconstructed video data, and a reference picture buffer for storing the reconstructed video data as reference video data. The video encoder also includes a filter parameter estimator for estimating filter parameters according to the original video data of a current picture and the reconstructed video data of the current picture, and an adaptive loop filter for filtering the reconstructed video data of the current picture according to stored filter parameters of a prior picture in coding order. The filter parameter estimator and adaptive loop filter can operate in parallel.

    摘要翻译: 视频编码器包括:预测单元,用于执行根据原始视频数据的预测技术和重建的视频数据以产生预测采样;重构单元,用于重建预测采样以形成重构的视频数据;以及参考图像缓冲器,用于存储重建的视频 数据作为参考视频数据。 视频编码器还包括滤波器参数估计器,用于根据当前图像的原始视频数据和当前图像的重建视频数据估计滤波器参数,以及自适应环路滤波器,用于根据当前图像的重构视频数据进行滤波 以编码顺序存储先验图像的滤波器参数。 滤波器参数估计器和自适应环路滤波器可以并联运行。

    Adaptive filter
    5.
    发明授权
    Adaptive filter 有权
    自适应滤波器

    公开(公告)号:US08548041B2

    公开(公告)日:2013-10-01

    申请号:US12405216

    申请日:2009-03-16

    IPC分类号: H04N7/12 H04N7/32 H04N11/02

    摘要: A video encoder that utilizes adaptive loop filtering for coding video data includes: a prediction unit, for performing prediction techniques according to original video data and reconstructed video data to generate predicted samples; a reconstruction unit, for reconstructing the predicted samples to form the reconstructed video data; a reference picture buffer, for storing the reconstructed video data; a filter parameter estimator, for estimating filter parameters according to the original video data and the reconstructed video data; and an adaptive filter, for utilizing the stored filter parameters to perform filtering on the reconstructed video data.

    摘要翻译: 利用自适应环路滤波对视频数据进行编码的视频编码器包括:预测单元,用于根据原始视频数据和重建的视频数据执行预测技术以产生预测样本; 重建单元,用于重构所述预测样本以形成重建的视频数据; 用于存储重构的视频数据的参考图像缓冲器; 滤波器参数估计器,用于根据原始视频数据和重建的视频数据估计滤波器参数; 以及自适应滤波器,用于利用所存储的滤波器参数对重构的视频数据执行滤波。

    ADAPTIVE FILTER
    7.
    发明申请
    ADAPTIVE FILTER 有权
    自适应滤光片

    公开(公告)号:US20100074323A1

    公开(公告)日:2010-03-25

    申请号:US12405216

    申请日:2009-03-16

    IPC分类号: H04N7/12

    摘要: A video encoder that utilizes adaptive loop filtering for coding video data includes: a prediction unit, for performing prediction techniques according to original video data and reconstructed video data to generate predicted samples; a reconstruction unit, for reconstructing the predicted samples to form the reconstructed video data; a reference picture buffer, for storing the reconstructed video data; a filter parameter estimator, for estimating filter parameters according to the original video data and the reconstructed video data; and an adaptive filter, for utilizing the stored filter parameters to perform filtering on the reconstructed video data.

    摘要翻译: 利用自适应环路滤波对视频数据进行编码的视频编码器包括:预测单元,用于根据原始视频数据和重建的视频数据执行预测技术以产生预测样本; 重建单元,用于重构所述预测样本以形成重建的视频数据; 用于存储重构的视频数据的参考图像缓冲器; 滤波器参数估计器,用于根据原始视频数据和重建的视频数据估计滤波器参数; 以及自适应滤波器,用于利用所存储的滤波器参数对重构的视频数据执行滤波。

    Method and apparatus of chroma intra prediction with reduced line memory
    8.
    发明授权
    Method and apparatus of chroma intra prediction with reduced line memory 有权
    色度帧内预测的方法和装置,减少行记忆

    公开(公告)号:US09565428B2

    公开(公告)日:2017-02-07

    申请号:US14123094

    申请日:2012-06-15

    摘要: A method and apparatus for chroma intra prediction for a current chroma block with reduced line memory requirement are disclosed. The chroma intra predictor is derived from reconstructed luma pixels of a current luma block using a model with parameters. In various embodiments according to the present invention, the derivation of the parameters relies on a reconstructed luma pixel set corresponding to neighboring reconstructed luma pixels from causal luma neighboring areas of the current luma block, wherein said causal luma neighboring areas include a first area corresponding to reconstructed luma pixels above a horizontal luma block boundary on a top side of the current luma block, and wherein the reconstructed luma pixels from the first area that are included in the reconstructed luma pixel set are from a luma pixel line immediately above the horizontal luma block boundary.

    摘要翻译: 公开了一种具有减少的行存储器要求的当前色度块的色度帧内预测的方法和装置。 色度内预测器是使用具有参数的模型从当前亮度块的重建亮度像素导出的。 在根据本发明的各种实施例中,参数的推导依赖于对应于来自当前亮度块的因果亮度相邻区域的相邻重建亮度像素的重构亮度像素集,其中所述因果亮度相邻区域包括对应于 在当前亮度块的顶侧上的水平亮度块边界上方的重建亮度像素,并且其中包括在重建亮度像素组中的来自第一区域的重建亮度像素来自水平亮度块正上方的亮度像素线 边界。

    Method and apparatus for reduction of deblocking filter
    9.
    发明授权
    Method and apparatus for reduction of deblocking filter 有权
    去块滤波器的还原方法和装置

    公开(公告)号:US09554128B2

    公开(公告)日:2017-01-24

    申请号:US14342334

    申请日:2012-08-09

    摘要: A method and apparatus for deblocking of reconstructed video are disclosed. In one embodiment, the method divides a block boundary into two sub-boundaries and separates lines or column across the sub-boundaries into two groups. The deblocking filter decision for each group is determined based on the lines or columns in the respective group. In another embodiment, the method divides block edges of blocks in the LCUs into two edge groups, where the first edge group corresponds to horizontal block edges between two LCUs and the second edge group corresponds to remaining block edges not included in the first edge group. The number of lines processed by a vertical filter in the first edge group is less than the number of lines processed by a vertical filter in the second edge group. Accordingly, a system embodying the present invention has reduced storage requirement.

    摘要翻译: 公开了一种重构视频解块的方法和装置。 在一个实施例中,该方法将块边界划分为两个子边界,并将跨越子边界的线或列分成两组。 基于相应组中的线或列确定每组的去块滤波器决定。 在另一个实施例中,该方法将LCU中的块的块边缘划分为两个边缘组,其中第一边缘组对应于两个LCU之间的水平块边缘,并且第二边缘组对应于未包括在第一边缘组中的剩余块边缘。 由第一边缘组中的垂直滤波器处理的线数小于由第二边缘组中的垂直滤波器处理的线数。 因此,体现本发明的系统减少了存储要求。

    Motion Prediction Method
    10.
    发明申请
    Motion Prediction Method 审中-公开
    运动预测方法

    公开(公告)号:US20130003843A1

    公开(公告)日:2013-01-03

    申请号:US13003092

    申请日:2010-12-06

    IPC分类号: H04N7/32 H04N7/50

    摘要: The invention provides a motion prediction method First, a coding unit (CU) of a current picture is processed, wherein the CU comprises at least a first prediction unit (PU) and a second PU. A second candidate set comprising a plurality of motion parameter candidates for the second PU is then determined, wherein at least a motion parameter candidate in the second candidate set is derive from a motion parameter predictor for a previously coded PU of the current picture, and the second candidate set is different from a first candidate set comprising a plurality of motion parameter candidates for the first PU. A motion parameter candidate is then selected from the second candidate set as a motion parameter predictor for the second PU. Finally, predicted samples are then generated from the motion parameter predictor of the second PU partition.

    摘要翻译: 本发明提供一种运动预测方法首先,处理当前图像的编码单元(CU),其中CU至少包括第一预测单元(PU)和第二PU。 然后确定包括用于第二PU的多个运动参数候选的第二候选集,其中第二候选集中的至少一个运动参数候选是从当前图像的先前编码的PU的运动参数预测器导出的,并且 第二候选集不同于包括用于第一PU的多个运动参数候选的第一候选集。 然后从第二候选组中选择运动参数候选作为第二PU的运动参数预测器。 最后,从第二PU分区的运动参数预测器生成预测样本。