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    • 1. 发明申请
    • METHOD AND APPARATUS OF ADVANCED INTRA PREDICTION FOR CHROMA COMPONENTS IN VIDEO CODING
    • 视频编码中色度分量的先进帧内预测方法和装置
    • WO2017140211A1
    • 2017-08-24
    • PCT/CN2017/072560
    • 2017-01-25
    • MEDIATEK SINGAPORE PTE. LTD.ZHANG, KaiAN, JichengHUANG, Han
    • ZHANG, KaiAN, JichengHUANG, Han
    • H04N19/159
    • H04N19/186H04N19/593
    • Combined Intra prediction is disclosed. The combined Intra prediction is generated for encoding or decoding of a current chroma block by combining first Intra prediction generated according to the first chroma Intra prediction mode and second Intra prediction generated according to the second chroma Intra prediction mode. The second chroma Intra prediction mode belongs to an Intra prediction mode group excluding any LM mode. Multi-phase Intra prediction for a chroma component of non-444 colour video data is also disclosed. A mode group including at least two LM modes are used for multi-phase Intra prediction, where mapping between chroma samples and corresponding luma samples is different for two LM modes from the mode group. Furthermore, chroma Intra prediction with one or more LM modes using extended neighbouring area to derive LM mode parameters is also disclosed.
    • 公开了组合帧内预测。 通过组合根据第一色度帧内预测模式生成的第一帧内预测和根据第二色度帧内预测模式生成的第二帧内预测,​​生成组合的帧内预测用于当前色度块的编码或解码。 第二色度帧内预测模式属于排除任何LM模式的帧内预测模式组。 还公开了用于非444彩色视频数据的色度分量的多阶段帧内预测。 包括至少两个LM模式的模式组被用于多阶段帧内预测,​​其中对于来自模式组的两个LM模式,色度采样和对应的亮度采样之间的映射是不同的。 此外,还公开了使用扩展的相邻区域来推导LM模式参数的具有一个或多个LM模式的色度帧内预测。
    • 2. 发明申请
    • METHOD OF VIDEO CODING USING SEPARATE CODING TREE FOR LUMA AND CHROMA
    • 使用分离编码树进行LUMA和CHROMA的视频编码方法
    • WO2016074567A1
    • 2016-05-19
    • PCT/CN2015/093156
    • 2015-10-29
    • MEDIATEK SINGAPORE PTE. LTDAN, JichengZHANG, KaiHUANG, Han
    • AN, JichengZHANG, KaiHUANG, Han
    • H04N19/463
    • H04N19/96H04N19/70
    • A method of video coding using separate coding trees for luma component and chroma component is disclosed. The luma component and the chroma component are allowed to have its own coding trees to partition the corresponding video data. In one embodiment, a first syntax element is used for each first node of the luma coding tree to indicate whether the first node is split and a separate second syntax element is used for each second node of the chroma coding tree to indicate whether the second node is split. For each CTU, the luma coding tree and the chroma coding tree are signaled using separate syntax elements. Furthermore, for each CTU, the syntax elements for the luma coding tree can be signaled before the syntax elements for each chroma CTU.
    • 公开了一种使用单独的编码树进行亮度分量和色度分量的视频编码方法。 允许亮度分量和色度分量具有其自己的编码树来对相应的视频数据进行分区。 在一个实施例中,第一语法元素用于亮度编码树的每个第一节点,以指示第一节点是否被分离,并且单独的第二语法元素被用于色度编码树的每个第二节点,以指示第二节点 被分割。 对于每个CTU,使用单独的语法元素来发出亮度编码树和色度编码树。 此外,对于每个CTU,可以在每个色度CTU的语法元素之前用信号通知亮度编码树的语法元素。
    • 8. 发明申请
    • METHOD AND APPARATUS OF BLOCK PARTITION WITH SMALLEST BLOCK SIZE IN VIDEO CODING
    • 在视频编码中具有最小块大小的块划分方法和设备
    • WO2017088608A1
    • 2017-06-01
    • PCT/CN2016/102359
    • 2016-10-18
    • MEDIATEK SINGAPORE PTE. LTD.AN, JichengZHANG, KaiHUANG, Han
    • AN, JichengZHANG, KaiHUANG, Han
    • H04N19/00
    • H04N19/46H04N19/119H04N19/12H04N19/176
    • A method and apparatus of block partition for prediction process or transform process in video coding are disclosed. Whether a smallest allowed block size smaller than 4 is allowed is determined and information related to the decision is signalled in SPS (sequence parameter set), PPS (picture parameter set) or slice header regarding. If the smallest allowed block size smaller than 4 is allowed, the current block is partitioned into one or more sub-blocks using a block size set including the smallest allowed block size. The smallest allowed block size is 2 in one embodiment. According to another method, a threshold area is determined and transform skip mode is applied to the current block if the current block area of the current block is equal to or smaller than the threshold area.
    • 公开了一种用于预测处理或视频编码中的变换处理的块分割方法和设备。 确定是否允许允许小于4的最小允许块大小,并且在SPS(序列参数集),PPS(图片参数集)或切片标头关于中用信号发送与判决有关的信息。 如果允许允许的最小块大小小于4,则使用包括最小允许块大小的块大小集将当前块划分为一个或多个子块。 在一个实施例中,允许的最小块大小是2。 根据另一种方法,如果当前块的当前块区域等于或小于阈值区域,则确定阈值区域并且将变换跳过模式应用于当前块。