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    Apparatus and Method of Sample Adaptive Offset for Video Coding
    1.
    发明申请
    Apparatus and Method of Sample Adaptive Offset for Video Coding 有权
    用于视频编码的样本自适应偏移的装置和方法

    公开(公告)号：US20150124869A1

    公开(公告)日：2015-05-07

    申请号：US14598638

    申请日：2015-01-16

    Applicant: MEDIATEK INC.

    Inventor： Chih-Ming Fu ,  Ching-Yeh Chen ,  Chia-Yang Tsai ,  Yu-Wen Huang ,  Shaw-Min Lei

    IPC: H04N19/167 ,  H04N19/117 ,  H04N19/182

    CPC classification number: H04N19/61 ,  H04N19/117 ,  H04N19/119 ,  H04N19/14 ,  H04N19/162 ,  H04N19/167 ,  H04N19/174 ,  H04N19/179 ,  H04N19/182 ,  H04N19/192 ,  H04N19/439 ,  H04N19/70 ,  H04N19/82 ,  H04N19/85 ,  H04N19/96

    Abstract: An apparatus and method for sample adaptive offset (SAO) to restore intensity shift of processed video data are disclosed. In an encoder side, the processed video data corresponding to reconstructed video data, deblocked-reconstructed video data, or adaptive loop filtered and deblocked-reconstructed video data are partitioned into regions smaller than a picture. The region partition information is signaled in a video bitstream located in a position before intensity offset values syntax. At the decoder side, the processed video data is partitioned into regions according to the partition information parsed from the bitstream at a position before intensity offset values syntax. Region-based SAO is applied to each region based on the intensity offset for the category of the region-based SAO type selected.

    Abstract translation: 公开了一种用于恢复已处理视频数据的强度偏移的采样自适应偏移（SAO）的装置和方法。 在编码器侧，对应于重构的视频数据，解块重构的视频数据或自适应环路滤波和解块重构的视频数据的经处理的视频数据被划分为小于图像的区域。 区域分区信息在位于强度偏移值语法之前的视频比特流中被发信号。 在解码器侧，根据在强度偏移值语法之前的位置处从比特流解析的分区信息将经处理的视频数据分割成区域。 基于所选择的基于区域的SAO类别的类别的强度偏移，将基于区域的SAO应用于每个区域。

    METHOD AND APPARATUS FOR NON-CROSS-TILE LOOP FILTERING
    2.
    发明申请
    METHOD AND APPARATUS FOR NON-CROSS-TILE LOOP FILTERING 审中-公开
    非交叉环路滤波的方法和装置

    公开(公告)号：US20140198844A1

    公开(公告)日：2014-07-17

    申请号：US14239349

    申请日：2012-10-19

    Applicant: MEDIATEK INC.

    Inventor： Chih-Wei Hsu ,  Chia-Yang Tsai ,  Yu-Wen Huang

    IPC: H04N19/117 ,  H04N19/154

    CPC classification number: H04N19/70 ,  H04N19/117 ,  H04N19/154 ,  H04N19/174 ,  H04N19/436 ,  H04N19/82

    Abstract: A method and apparatus for loop filter processing of video data are disclosed. Embodiments according to the present invention eliminate data dependency associated with loop processing across tile boundaries. According to one embodiment, loop processing is reconfigured to eliminate data dependency across tile boundaries if cross-tile loop processing is disabled. The loop filter processing corresponds to DF (deblocking filter), SAO (Sample Adaptive Offset) processing or ALF (Adaptive Loop Filter) processing. The processing can be skipped for at least one tile boundary. In another embodiment, data padding based on the pixels of the current tile or modifying pixel classification footprint are used to eliminate data dependency across the tile boundary. Whether cross-tile loop processing is disabled can be indicated by a flag coded at sequence, picture, or slice level to indicate whether the data dependency across said at least one tile boundary is allowed.

    Abstract translation: 公开了一种用于视频数据的环路滤波处理的方法和装置。 根据本发明的实施例消除了跨越块边界的循环处理相关的数据依赖性。 根据一个实施例，如果禁止跨平铺环路处理，则重新配置循环处理以消除跨块边界的数据依赖性。 环路滤波处理对应于DF（去块滤波器），SAO（采样自适应偏移）处理或ALF（自适应环路滤波器）处理。 可以跳过至少一个瓦片边界的处理。 在另一个实施例中，使用基于当前瓦片的像素或修改像素分类覆盖区的数据填充来消除跨平铺边界的数据依赖性。 可以通过在序列，图片或切片级别编码的标志来指示是否禁止交叉平铺循环处理，以指示是否允许跨所述至少一个瓦片边界的数据依赖。

    Method and Apparatus of Adaptive Intra Prediction for Inter-Layer and Inter-View Coding
    3.
    发明申请
    Method and Apparatus of Adaptive Intra Prediction for Inter-Layer and Inter-View Coding 有权
    用于层间和视图间编码的自适应预测的方法和装置

    公开(公告)号：US20150341636A1

    公开(公告)日：2015-11-26

    申请号：US14408947

    申请日：2013-04-25

    Applicant: MEDIATEK INC.

    Inventor： Chia-Yang Tsai ,  Tzu-Der Chuang ,  Ching-Yeh Chen ,  Yu-Wen Huang

    IPC: H04N19/105 ,  H04N19/593 ,  H04N19/186

    CPC classification number: H04N19/105 ,  H04N19/136 ,  H04N19/186 ,  H04N19/30 ,  H04N19/593 ,  H04N19/597 ,  H04N19/70

    Abstract: A method and apparatus of inter-layer and the inter-view adaptive Intra prediction (IL-AIP and IV-AIP) for a video coding system are disclosed. The video data is configured into a Base Layer (BL) and an Enhancement Layer (EL) for the inter-layer video coding system, and the video data is configured into a Base View (BV) and an Enhancement View (EV) for the inter-view video coding system. The adaptive Intra predictor for the to-be-processed block in the EL or the EV is derived based on the BL or the BV. For inter-layer and inter-view adaptive LM Intra prediction, the LM adaptive Intra predictor for the to-be-processed chroma block in the EL or the EV is derived based on the BL or the BV.

    Abstract translation: 公开了一种用于视频编码系统的层间方法和装置以及视频间自适应帧内预测（IL-AIP和IV-AIP）。 视频数据被配置为用于层间视频编码系统的基本层（BL）和增强层（EL），视频数据被配置为基本视图（BV）和增强视图（EV），用于 视频间视频编码系统。 EL或EV中待处理块的自适应Intra预测器基于BL或BV导出。 对于层间和视角间自适应LM帧内预测，​​EL或EV中待处理色度块的LM自适应Intra预测器基于BL或BV导出。

    Method and Apparatus of Scalable Video Coding
    5.
    发明申请
    Method and Apparatus of Scalable Video Coding 审中-公开
    可扩展视频编码的方法和装置

    公开(公告)号：US20140146891A1

    公开(公告)日：2014-05-29

    申请号：US14114993

    申请日：2012-05-31

    Applicant: MEDIATEK INC.

    Inventor： Tzu-Der Chuang ,  Ching-Yeh Chen ,  Yu-Wen Huang ,  Shaw-Min Lei ,  Chih-Ming Fu ,  Chia-Yang Tsai

    IPC: H04N19/593

    CPC classification number: H04N19/13 ,  H04N19/117 ,  H04N19/119 ,  H04N19/146 ,  H04N19/154 ,  H04N19/187 ,  H04N19/30 ,  H04N19/33 ,  H04N19/61 ,  H04N19/70 ,  H04N19/82 ,  H04N19/86 ,  H04N19/96

    Abstract: A method and apparatus for scalable video coding are disclosed, wherein the video data is configured into a Base Layer (BL) and an Enhancement Layer (EL) and wherein the EL has higher spatial resolution or better video quality than the BL. According to embodiments of the present invention, information from the base layer is exploited for coding the enhancement layer. The information coding for the enhancement layer includes CU structure, motion information, motion information, MVP/merge candidates, intra prediction mode, residual quadtree information, texture information, residual information, context adaptive entropy coding, Adaptive Lop Filter (ALF), Sample Adaptive Offset (SAO), and deblocking filter.

    Abstract translation: 公开了一种用于可缩放视频编码的方法和装置，其中视频数据被配置为基本层（BL）和增强层（EL），并且其中EL具有比BL更高的空间分辨率或更好的视频质量。 根据本发明的实施例，利用来自基础层的信息来对增强层进行编码。 增强层的信息编码包括CU结构，运动信息，运动信息，MVP /合并候选，帧内预测模式，残余四叉树信息，纹理信息，残差信息，上下文自适应熵编码，自适应Lop滤波器（ALF） 偏移（SAO）和去块滤波器。

    Method of block-based adaptive loop filtering
    8.
    发明授权
    Method of block-based adaptive loop filtering 有权

    公开(公告)号：US10567806B2

    公开(公告)日：2020-02-18

    申请号：US15034115

    申请日：2014-11-10

    Applicant: MediaTek Inc.

    Inventor： Chia-Yang Tsai ,  Ching-Yeh Chen ,  Yu-Wen Huang

    IPC: H04N19/82 ,  H04N19/176 ,  H04N19/70 ,  H04N19/119 ,  H04N19/196 ,  H04N19/117 ,  H04N19/14 ,  H04N19/172 ,  H04N19/182 ,  H04N19/18 ,  H04N19/68

    Abstract: A method of adaptive loop filtering for reconstructed video to improve the performance is disclosed. In one embodiment, a loop filter is selected from one or more candidate filters including a circular symmetrical filter candidate. The candidate filters also may include a ½-symmetry filter candidate and a flag is used to select between different symmetries. In another embodiment, a priority-based block filter merge is disclosed. A filter merge list consisting of no more than a first number of filter candidates selected from corresponding filters used by corresponding set members in the neighboring block set is generated according to a priority order of the set members in the neighboring block set. In yet another embodiment, the loop filter is shared by reconstructed video in multiple image units of a same group. The filter merge groups are identified by differences of consecutive group indices.

    Method and apparatus for slice common information sharing
    9.
    发明授权
    Method and apparatus for slice common information sharing 有权
    切片共同信息共享的方法和装置

    公开(公告)号：US09237349B2

    公开(公告)日：2016-01-12

    申请号：US14623599

    申请日：2015-02-17

    Applicant: MEDIATEK INC.

    Inventor： Chia-Yang Tsai ,  Chih-Wei Hsu ,  Yu-Wen Huang ,  Ching-Yeh Chen ,  Chih-Ming Fu ,  Shaw-Min Lei

    IPC: H04N7/32 ,  H04N19/82 ,  H04N19/117 ,  H04N19/70 ,  H04N19/172 ,  H04N19/174 ,  H04N19/86 ,  H04N19/136

    CPC classification number: H04N19/117 ,  H04N19/136 ,  H04N19/172 ,  H04N19/174 ,  H04N19/70 ,  H04N19/82 ,  H04N19/86

    Abstract: A method and apparatus for sharing information in a video decoding system are disclosed. The method derives reconstructed data for a picture from a bitstream, where the picture is partitioned into multiple slices. An information-sharing flag is parsed from the bitstream associated with a current reconstructed slice. If the information-sharing flag indicates information sharing, shared information is determined from a part of the bitstream not corresponding to the current reconstructed slice, and in-loop filtering process is applied to the current reconstructed slice according to the shared information. If the information-sharing flag indicates filter no information sharing, individual information is determined from a part of the bitstream corresponding to the current reconstructed slice, and in-loop filtering process is applied to the current reconstructed slice according to the individual information. A method for a corresponding encoder is also disclosed.

    Abstract translation: 公开了一种用于在视频解码系统中共享信息的方法和装置。 该方法从比特流中导出图像的重构数据，其中图像被分割成多个切片。 从与当前重建切片相关联的比特流中解析信息共享标志。 如果信息共享标志指示信息共享，则从不与当前重构片相对应的比特流的一部分确定共享信息，并且根据共享信息将当前重构切片应用到环路滤波处理。 如果信息共享标志指示无过滤器信息共享，则从与当前重构切片相对应的比特流的一部分确定个体信息，并且根据个体信息将当前重建的切片应用于环路内过滤处理。 还公开了一种对应的编码器的方法。

    Method and Apparatus for Slice Common Information Sharing
    10.
    发明申请
    Method and Apparatus for Slice Common Information Sharing 有权
    切片常用信息共享的方法和装置

    公开(公告)号：US20150163488A1

    公开(公告)日：2015-06-11

    申请号：US14623599

    申请日：2015-02-17

    Applicant: MEDIATEK INC.

    Inventor： Chia-Yang Tsai ,  Chih-Wei Hsu ,  Yu-Wen Huang ,  Ching-Yeh Chen ,  Chih-Ming Fu ,  Shaw-Min Lei

    IPC: H04N19/117 ,  H04N19/174 ,  H04N19/136 ,  H04N19/82

    CPC classification number: H04N19/117 ,  H04N19/136 ,  H04N19/172 ,  H04N19/174 ,  H04N19/70 ,  H04N19/82 ,  H04N19/86

    Abstract: A method and apparatus for sharing information in a video decoding system are disclosed. The method derives reconstructed data for a picture from a bitstream, where the picture is partitioned into multiple slices. An information-sharing flag is parsed from the bitstream associated with a current reconstructed slice. If the information-sharing flag indicates information sharing, shared information is determined from a part of the bitstream not corresponding to the current reconstructed slice, and in-loop filtering process is applied to the current reconstructed slice according to the shared information. If the information-sharing flag indicates filter no information sharing, individual information is determined from a part of the bitstream corresponding to the current reconstructed slice, and in-loop filtering process is applied to the current reconstructed slice according to the individual information. A method for a corresponding encoder is also disclosed.

    Abstract translation: 公开了一种用于在视频解码系统中共享信息的方法和装置。 该方法从比特流中导出图像的重构数据，其中图像被分割成多个切片。 从与当前重建切片相关联的比特流中解析信息共享标志。 如果信息共享标志指示信息共享，则从不与当前重构片相对应的比特流的一部分确定共享信息，并且根据共享信息将当前重构切片应用到环路滤波处理。 如果信息共享标志指示无过滤器信息共享，则从与当前重构切片相对应的比特流的一部分确定个体信息，并且根据个体信息将当前重建的切片应用于环路内过滤处理。 还公开了一种对应的编码器的方法。

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