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    • 2. 发明申请
    • SIMPLIFIED SUB-PREDICTION UNIT (SUB-PU) MOTION PARAMETER INHERITENCE (MPI)
    • 简化子预测单元(SUB PU)运动参数不动(MPI)
    • WO2015131387A1
    • 2015-09-11
    • PCT/CN2014/073039
    • 2014-03-07
    • QUALCOMM INCORPORATEDLIU, HongbinCHEN, Ying
    • LIU, HongbinCHEN, Ying
    • H04N19/50
    • H04N19/597H04N19/52H04N19/70H04N2213/005
    • This disclosure describes techniques for simplifying depth inter mode coding in a three-dimensional (3D) video coding process, such as 3D-HEVC. The techniques include generating a motion parameter candidate list, e.g., merging candidate list, for a current depth prediction unit (PU). In some examples, the described techniques include determining that a sub-PU motion parameter inheritance (MPI) motion parameter candidate is unavailable for inclusion in the motion parameter candidate list for the current depth PU if motion parameters of a co-located texture block to a representative block of the current depth PU are unavailable. In some examples, the described techniques include deriving a sub-PU MPI candidate for inclusion in the motion parameter candidate list for the current depth PU only if a partition mode of the current depth PU is 2Nx2N.
    • 本公开描述了用于简化3D-HEVC等三维(3D)视频编码处理中的深度帧间编码的技术。 这些技术包括为当前深度预测单元(PU)生成运动参数候选列表,例如合并候选列表。 在一些示例中,所描述的技术包括确定如果将位置相同的纹理块的运动参数移动到一个或多个运动参数继承(MPI)运动参数候选的运动参数,则不能使用用于当前深度PU的运动参数候选列表 当前深度PU的代表块不可用。 在一些示例中,所描述的技术包括仅当当前深度PU的分区模式是2Nx2N时,才导出用于当前深度PU的运动参数候选列表中的子PU MPI候选。
    • 3. 发明申请
    • RESIDUAL CODING FOR DEPTH INTRA PREDICTION MODES
    • 用于深度预测模式的剩余编码
    • WO2015043501A1
    • 2015-04-02
    • PCT/CN2014/087511
    • 2014-09-26
    • QUALCOMM INCORPORATEDLIU, HongbinCHEN, YingZHANG, LiZHAO, Xin
    • LIU, HongbinCHEN, YingZHANG, LiZHAO, Xin
    • H04N13/00
    • H04N19/597H04N19/11H04N19/13H04N19/159H04N19/174H04N19/176H04N19/18H04N19/593H04N19/70H04N19/91
    • A video coder may perform a simplified depth coding (SDC) mode, including simplified residual coding, to code a depth block according to any of a variety of, e.g., at least three, depth intra prediction modes. For example, the video coder may perform the SDC mode for coding a depth block according to depth modeling mode (DMM) 3, DMM 4, or a region boundary chain coding mode. In such examples, the video coder may partition the depth block, and code respective DC residual values for each partition. In some examples, the video coder may perform the SDC mode for coding a depth block according to an intra prediction mode, e.g., an HEVC base specification intra prediction mode, such as a DC intra prediction mode or one of the directional intra prediction modes. In such examples, the video coder may code a single DC residual value for the depth block.
    • 视频译码器可执行包含简化残差译码的简化深度译码(SDC)模式以根据多种(例如,至少三种)深度帧内预测模式中的任一者对深度块进行译码 。 例如,视频译码器可根据深度建模模式(DMM)3,DMM4或区域边界链编码模式执行用于编码深度块的SDC模式。 在这样的示例中,视频编码器可以对深度块进行分区,并对每个分区的相应DC残差值进行编码。 在一些示例中,视频译码器可执行SDC模式以根据例如HEVC基本规格帧内预测模式(例如DC帧内预测模式或定向帧内预测模式中的一者)的帧内预测模式译码深度块。 在这样的示例中,视频编码器可以编码深度块的单个DC残余值。
    • 5. 发明申请
    • SIMPLIFIED ADVANCED RESIDUAL PREDICTION FOR 3D-HEVC
    • 3D-HEVC的简化高级残留预测
    • WO2015135172A1
    • 2015-09-17
    • PCT/CN2014/073353
    • 2014-03-13
    • QUALCOMM INCORPORATEDLIU, HongbinCHEN, Ying
    • LIU, HongbinCHEN, Ying
    • H04N13/00
    • H04N19/597H04N13/161H04N19/105H04N19/176H04N19/186H04N19/513H04N19/577
    • This disclosure describes techniques for 3D video coding. In particular, this disclosure is related to techniques for advanced residual prediction (ARP) in 3D-HEVC. According to one techniques of this disclosure, when performing inter-view ARP for a bi-directionally predicted block, the video coder may determine a motion vector for a first corresponding block as part of performing ARP for a first prediction direction and reuse that determined motion vector when performing ARP for a second prediction direction. According to another technique, for a bi-directionally predicted block, a video coder may apply ARP in only one direction for a chroma component of a block but apply ARP in two directions for a luma component of the block. According to another technique, a video coder may selectively apply ARP to chroma components based on block size. These simplifications, as well as other techniques included in this disclosure, may reduce overall coding complexity.
    • 本公开描述了用于3D视频编码的技术。 特别地,本公开涉及3D-HEVC中的高级剩余预测(ARP)技术。 根据本公开的一种技术,当为双向预测块执行视频间ARP时,视频编码器可以为第一对应块确定运动向量,作为对第一预测方向执行ARP的一部分,并重新使用所确定的运动 执行第二预测方向的ARP时的向量。 根据另一技术,对于双向预测的块,视频编码器可以在块的色度分量的一个方向上应用ARP,但是对于块的亮度分量在两个方向上应用ARP。 根据另一技术,视频编码器可以基于块大小选择性地将ARP应用于色度分量。 这些简化以及本公开中包括的其他技术可以降低整体编码复杂度。
    • 6. 发明申请
    • SIGNALING OF SIMPLIFIED DEPTH CODING (SDC) FOR DEPTH INTRA-AND INTER – PREDICTION MODES IN 3D VIDEO CODING
    • 三维视频编码深度内部和内部预测模式的简化深度编码(SDC)信令
    • WO2015085449A1
    • 2015-06-18
    • PCT/CN2013/001562
    • 2013-12-13
    • QUALCOMM INCORPORATEDZHANG, LiLIU, HongbinCHEN, Ying
    • ZHANG, LiLIU, HongbinCHEN, Ying
    • H04N19/00
    • H04N19/107H04N19/159H04N19/182H04N19/463H04N19/597H04N19/70H04N19/91
    • This disclosure describes techniques for signaling and processing information indicating simplified depth coding (SDC) for depth intra-prediction and depth inter- prediction modes in a 3D video coding process, such as a process defined by the 3D- HEVC extension to HEVC. In some examples, the disclosure describes techniques for unifying the signaling of SDC for depth intra-prediction and depth inter-prediction modes in 3D video coding. The signaling of SDC can be unified so that a video encoder or video decoder uses the same syntax element for signaling SDC for both the depth intra- prediction mode and the depth inter-prediction mode. Also, in some examples, a video coder may signal and/or process a residual value generated in the SDC mode using the same syntax structure, or same type of syntax structure, for both the depth intra- prediction mode and depth inter-prediction mode.
    • 本公开描述了用于在3D视频编码过程(诸如由HEVC的3D-HEVC扩展定义的过程)中用于指示用于深度帧内预测和深度帧间预测模式的简化深度编码(SDC)的信令和处理信息的技术。 在一些示例中,本公开描述了用于在3D视频编码中统一SDC的信令用于深度帧内预测和深度帧间预测模式的技术。 SDC的信令可以被统一,使得视频编码器或视频解码器使用相同的语法元素用于信令SDC用于深度帧内预测模式和深度帧间预测模式。 此外,在一些示例中,视频编码器可以使用与深度帧内预测模式和深度帧间预测模式两者相同的语法结构或相同类型的语法结构信号和/或处理在SDC模式中生成的残差值 。
    • 9. 发明申请
    • SIMPLIFIED DISPARITY DERIVED DEPTH CODING IN THREE-DIMENSIONAL (3D) VIDEO CODING
    • 三维(3D)视频编码中简化的差异化深度编码
    • WO2015135174A1
    • 2015-09-17
    • PCT/CN2014/073358
    • 2014-03-13
    • QUALCOMM INCORPORATEDLIU, HongbinCHEN, Ying
    • LIU, HongbinCHEN, Ying
    • H04N13/00
    • H04N19/597H04N19/52
    • This disclosure describes techniques for simplifying depth inter mode coding in a three-dimensional (3D) video coding process, such as 3D-HEVC. The techniques may include generating a motion parameter candidate list for a current depth prediction unit (PU) in a depth component of a current view of the multiview video data. The techniques may include deriving one or more candidates for the motion parameter candidate list based at least in part on accessing a reference texture block. The techniques may include deriving a derived depth coding (DDD) candidate for the motion parameter candidate list based only on the reference texture block that is already accessed for deriving the one or more candidates for the motion parameter candidate list. The described techniques include decoding or encoding motion information for the current depth PU based on the motion parameter candidate list for the current depth PU.
    • 本公开描述了用于简化3D-HEVC等三维(3D)视频编码处理中的深度帧间编码的技术。 所述技术可以包括在多视点视频数据的当前视图的深度分量中生成用于当前深度预测单元(PU)的运动参数候选列表。 该技术可以包括至少部分地基于访问参考纹理块来导出用于运动参数候选列表的一个或多个候选。 这些技术可以包括仅基于已经被访问以用于导出运动参数候选列表的一个或多个候选者的参考纹理块来导出用于运动参数候选列表的导出深度编码(DDD)候选。 所描述的技术包括基于当前深度PU的运动参数候选列表来解码或编码当前深度PU的运动信息。
    • 10. 发明申请
    • CONSTRAINED DEPTH INTRA MODE CODING FOR 3D VIDEO CODING
    • 用于3D视频编码的约束深度内部模式编码
    • WO2015135169A1
    • 2015-09-17
    • PCT/CN2014/073346
    • 2014-03-13
    • QUALCOMM INCORPORATEDLIU, HongbinCHEN, Ying
    • LIU, HongbinCHEN, Ying
    • H04N19/597
    • H04N19/597H04N19/11H04N19/119H04N19/159H04N19/176H04N19/593H04N19/70H04N19/96
    • This disclosure describes techniques for constraining depth intra mode coding in a three-dimensional (3D) video coding process, such as 3D-High Efficiency Video Coding (3D-HEVC). In some examples, the techniques for constraining depth intra mode coding may prevent transform tree nodes from being split into sub-transform tree nodes when a depth prediction unit that corresponds to the transform tree node is predicted according to a depth modeling mode (DMM). In further examples, the techniques for constraining depth intra mode coding may prevent the DMM mode from being used when the maximum transform unit size that corresponds to a depth prediction unit is greater than the size of the depth prediction unit. The techniques for constraining depth intra mode coding may prevent characteristics of the DMM prediction modes used in 3D-HEVC and characteristics of the transform tree subdivision used in 3D-HEVC from interfering with each other.
    • 本公开描述了在3D-高效率视频编码(3D-HEVC)三维(3D)视频编码处理中约束深度帧内模式编码的技术。 在一些示例中,当根据深度建模模式(DMM)预测与变换树节点相对应的深度预测单元时,用于约束深度帧内模式编码的技术可以防止变换树节点被分割成子变换树节点。 在进一步的示例中,当对应于深度预测单元的最大变换单位大小大于深度预测单元的大小时,用于约束深度帧内模式编码的技术可以防止DMM模式被使用。 限制深度帧内模式编码的技术可以防止在3D-HEVC中使用的DMM预测模式的特征和在3D-HEVC中使用的变换树细分的特征彼此干扰。