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    SYSTEMS, METHODS, AND COMPUTER PROGRAM PRODUCTS FOR SCALABLE VIDEO CODING BASED ON COEFFICIENT SAMPLING
    4.
    发明授权
    SYSTEMS, METHODS, AND COMPUTER PROGRAM PRODUCTS FOR SCALABLE VIDEO CODING BASED ON COEFFICIENT SAMPLING 有权

    公开(公告)号：EP2875641B1

    公开(公告)日：2018-07-25

    申请号：EP12879814.7

    申请日：2012-06-29

    申请人： Intel Corporation

    发明人： ZHANG, Wenhao ,  CHIU, Yi-Jen ,  XU, Lidong ,  HAN, Yu ,  JIANG, Hong

    IPC分类号： H04N19/30

    CPC分类号： H04N19/63 ,  H04N19/30

    摘要： Methods, systems, and computer program products for the generation of multiple layers of scaled encoded video data compatible with the HEVC standard. Residue from prediction processing may be transformed into coefficients in the frequency domain. The coefficients may then be sampled to create a layer of encoded data. The coefficients may be sampled in different ways to create multiple respective layers. The layers may then be multiplexed and sent to a decoder. There, one or more of the layers may be chosen. The choice of certain layer(s) may be dependent on the desired attributes of the resulting video. A certain level of video quality, frame rate, resolution, and/or bit depth may be desired, for example. The coefficients in the chosen layers may then be assembled to create a version of the residue to be used in video decoding.

    ENHANCED REFERENCE REGION UTILIZATION FOR SCALABLE VIDEO CODING
    6.
    发明公开
    ENHANCED REFERENCE REGION UTILIZATION FOR SCALABLE VIDEO CODING 审中-公开
    VERBESSERTE REFERENZBEREICHSVERWENDUNGFÜRSKALIERBARE VIDEOCODIERUNG

    公开(公告)号：EP2901691A1

    公开(公告)日：2015-08-05

    申请号：EP12885325.6

    申请日：2012-09-28

    申请人： Intel Corporation

    发明人： ZHANG, Wenhao ,  CHIU, Yi-Jen ,  XU, Lidong ,  HAN, Yu ,  DENG, Zhipin Apple ,  CAI, Xiaoxia

    IPC分类号： H04N19/50

    CPC分类号： H04N19/615 ,  H04N19/105 ,  H04N19/139 ,  H04N19/147 ,  H04N19/176 ,  H04N19/30 ,  H04N19/61 ,  H04N19/70

    摘要： Techniques to identify one or more candidate reference blocks used to generate a prediction block to encode a current coding block. The candidate reference blocks can be in the same layer as the current coding block or a different layer. In addition, the candidate reference blocks do not have to be co-located with the current coding block. Motion vectors and shift vectors can be used to identify the one or more candidate reference blocks. In addition, uniform and non-uniform weighting can be applied to the one or more candidate reference blocks to generate the prediction block. Accordingly, an encoder can determine and identify reference blocks to a decoder that can provide desirable rate-distortion cost.

    摘要翻译： 用于识别用于生成预测块以编码当前编码块的一个或多个候选参考块的技术。 候选参考块可以与当前编码块或不同层在同一层中。 此外，候选参考块不必与当前编码块共同定位。 运动矢量和移位矢量可用于识别一个或多个候选参考块。 此外，可以对一个或多个候选参考块应用均匀和不均匀的加权以生成预测块。 因此，编码器可以确定并识别可以提供期望的速率失真成本的解码器的参考块。

    SYSTEM AND METHOD FOR LOW COMPLEXITY MOTION VECTOR DERIVATION
    8.
    发明公开
    SYSTEM AND METHOD FOR LOW COMPLEXITY MOTION VECTOR DERIVATION 审中-公开
    系统和方法的低复杂度运动向量LEAD

    公开(公告)号：EP2625858A1

    公开(公告)日：2013-08-14

    申请号：EP11830181.1

    申请日：2011-04-01

    申请人： Intel Corporation

    发明人： CHIU, Yi-Jen ,  XU, Lidong ,  ZHANG, Wenhao

    IPC分类号： H04N7/26

    CPC分类号： H04N19/44 ,  H04N19/513 ,  H04N19/533 ,  H04N19/56

    摘要： A system and method for performing candidate-based decoder-side motion vector determination (DMVD). Candidate motion vectors (MVs) may be rounded to the nearest whole or integer pixel. The rounded candidate MV having the best sum of absolute differences (SAD) may be identified. This may be used as the final MV. Alternatively, the un-rounded MV corresponding to this rounded candidate MV may be used as the final MV. Alternatively, a small range integer search may be performed around the chosen rounded candidate MV, and the best integer pixel in the search area may be identified and used to define the final MV. Alternatively, an intermediate MV may be chosen, where this MV is intermediate between the chosen rounded candidate MV and the MV corresponding to the best integer pixel in the search area.

    MOTION ADAPTIVE UPSAMPLING OF CHROMA VIDEO SIGNALS
    9.
    发明公开
    MOTION ADAPTIVE UPSAMPLING OF CHROMA VIDEO SIGNALS 有权
    运动FITTED色度上采样的视频信号

    公开(公告)号：EP2119246A1

    公开(公告)日：2009-11-18

    申请号：EP08728591.2

    申请日：2008-01-30

    申请人： Intel Corporation

    发明人： LEE, Sang-hee ,  CHIU, Yi-Jen

    IPC分类号： H04N9/78

    CPC分类号： H04N9/64 ,  H04N5/142 ,  H04N5/144 ,  H04N7/012 ,  H04N7/0137 ,  H04N7/0142

    摘要： Upsampling for video signals is described. In particular chroma pixels may be upsampled in a luminance, chrominance signal using motion adaptive approaches. In one example, the operations include selecting an absent chroma pixel of the current frame, developing a spatial candidate value for the absent chroma pixel using pixel values for nearby pixels in the current frame, developing a temporal candidate value for the absent chroma pixel using pixel values for nearby pixels in the previous and subsequent frames, computing a value for the absent chroma pixel by combining the spatial candidate value and the temporal candidate value, and producing an output video frame including the computed absent chroma pixel values.