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    SCALABLE VIDEO ENCODING METHOD AND APPARATUS AND SCALABLE VIDEO DECODING METHOD AND APPARATUS USING UP-SAMPLING FILTER ACCOMPANIED BY CONVERSION OF BIT DEPTH AND COLOR FORMAT
    63.
    发明申请
    SCALABLE VIDEO ENCODING METHOD AND APPARATUS AND SCALABLE VIDEO DECODING METHOD AND APPARATUS USING UP-SAMPLING FILTER ACCOMPANIED BY CONVERSION OF BIT DEPTH AND COLOR FORMAT 审中-公开
    可扩展的视频编码方法和设备和可扩展的视频解码方法和装置，使用通过转换位深度和颜色格式的高采样滤波器

    公开(公告)号：US20160156912A1

    公开(公告)日：2016-06-02

    申请号：US14905525

    申请日：2014-07-16

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Elena ALSHINA ,  Chan-yul KIM ,  Alexander ALSHIN

    IPC: H04N19/187 ,  H04N19/105 ,  H04N19/117 ,  H04N19/159 ,  H04N19/137 ,  H04N19/44 ,  H04N19/463 ,  H04N19/59 ,  H04N19/593 ,  H04N19/80 ,  H04N19/33

    CPC classification number: H04N19/187 ,  H04N19/105 ,  H04N19/117 ,  H04N19/137 ,  H04N19/159 ,  H04N19/33 ,  H04N19/44 ,  H04N19/463 ,  H04N19/59 ,  H04N19/593 ,  H04N19/80

    Abstract: Provided is a video encoding method including determining a reference layer image from among base layer images, wherein the reference layer image corresponds to an enhancement layer image; determining a phase shift between pixels of the enhancement layer image and the reference layer image, according to a scaling factor between the enhancement layer image and the reference layer image and a color format of the enhancement layer; selecting at least one filter coefficient set corresponding to the phase shift, from filter coefficient data including filter coefficient sets; generating an up-sampled reference layer image by extending a resolution of the reference layer image according to the scaling factor by performing interpolation filtering on the reference layer image by using the filter coefficient set; obtaining a prediction error between the up-sampled reference layer image and the enhancement layer image; generating an enhancement layer bitstream including the prediction error and a scalable codec; and generating a base layer bitstream by encoding the base layer images.

    Abstract translation: 提供了一种视频编码方法，包括从基础层图像中确定参考层图像，其中参考层图像对应于增强层图像; 根据增强层图像和参考层图像之间的比例因子和增强层的颜色格式，确定增强层图像和参考层图像的像素之间的相移; 从包括滤波器系数组的滤波器系数数据中选择对应于相移的至少一个滤波器系数集; 通过使用滤波器系数集对参考层图像执行插值滤波，通过根据缩放因子扩展参考层图像的分辨率来生成上采样参考层图像; 获得上采样参考层图像和增强层图像之间的预测误差; 生成包括预测误差和可伸缩编解码器的增强层比特流; 以及通过对基本层图像进行编码来生成基本层比特流。

    DEVICE AND METHOD FOR SCALABLE VIDEO ENCODING CONSIDERING MEMORY BANDWIDTH AND COMPUTATIONAL QUANTITY, AND DEVICE AND METHOD FOR SCALABLE VIDEO DECODING
    64.
    发明申请
    DEVICE AND METHOD FOR SCALABLE VIDEO ENCODING CONSIDERING MEMORY BANDWIDTH AND COMPUTATIONAL QUANTITY, AND DEVICE AND METHOD FOR SCALABLE VIDEO DECODING 审中-公开
    考虑存储带宽和计算量的可扩展视频编码的设备和方法，以及用于可扩展视频解码的设备和方法

    公开(公告)号：US20160007032A1

    公开(公告)日：2016-01-07

    申请号：US14770311

    申请日：2014-02-25

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Elena ALSHINA ,  Alexander ALSHIN

    IPC: H04N19/187 ,  H04N19/80 ,  H04N19/176 ,  H04N19/52

    CPC classification number: H04N19/187 ,  H04N19/103 ,  H04N19/117 ,  H04N19/157 ,  H04N19/176 ,  H04N19/33 ,  H04N19/52 ,  H04N19/573 ,  H04N19/59 ,  H04N19/61 ,  H04N19/80

    Abstract: Provided are scalable video encoding and decoding methods for optimization of a memory bandwidth and a computational quantity when inter-layer prediction is performed.The scalable video encoding method includes determining a reference layer image from among base layer images so as to perform inter-layer prediction on an enhancement layer image, determining, using the enhancement layer image, not to perform inter prediction on enhancement layer images when an upsampled reference layer image is determined by performing inter-layer (IL) interpolation filtering on the reference layer image, and encoding a residue component between the upsampled reference layer image and the enhancement layer image.

    Abstract translation: 提供了用于在执行层间预测时优化存储器带宽和计算量的可扩展视频编码和解码方法。 可扩展视频编码方法包括：从基层图像中确定参考层图像，以便对增强层图像执行层间预测;当增强层图像被上采样时，确定使用增强层图像不对增强层图像执行帧间预测 通过对参考层图像执行层间（IL）内插滤波，并对上采样的参考层图像和增强层图像之间的残差分量进行编码来确定参考层图像。

    VIDEO ENCODING METHOD WITH BIT DEPTH ADJUSTMENT FOR FIXED-POINT CONVERSION AND APPARATUS THEREFOR, AND VIDEO DECODING METHOD AND APPARATUS THEREFOR
    69.
    发明申请
    VIDEO ENCODING METHOD WITH BIT DEPTH ADJUSTMENT FOR FIXED-POINT CONVERSION AND APPARATUS THEREFOR, AND VIDEO DECODING METHOD AND APPARATUS THEREFOR 审中-公开
    用于固定点转换的位深度调整的视频编码方法及其设备及视频解码方法及其设备

    公开(公告)号：US20150181235A1

    公开(公告)日：2015-06-25

    申请号：US14603307

    申请日：2015-01-22

    Applicant: Samsung Electronics Co., LTD.

    Inventor： Elena ALSHINA ,  Alexander ALSHIN

    IPC: H04N19/60 ,  H04N19/44

    CPC classification number: H04N19/122 ,  G06F17/147 ,  H04N19/115 ,  H04N19/124 ,  H04N19/126 ,  H04N19/136 ,  H04N19/146 ,  H04N19/176 ,  H04N19/18 ,  H04N19/182 ,  H04N19/184 ,  H04N19/34 ,  H04N19/42 ,  H04N19/44 ,  H04N19/45 ,  H04N19/60 ,  H04N19/625

    Abstract: Provided are a video encoding method of adjusting a range of encoded output data to adjust a bit depth during restoring of encoded samples, and a video decoding method of substantially preventing overflow from occurring in output data in operations of a decoding process. The video decoding method includes parsing and restoring quantized transformation coefficients in units of blocks of an image from a received bitstream, restoring transformation coefficients by performing inverse quantization on the quantized transformation coefficients, and restoring samples by performing one-dimensional (1D) inverse transformation and inverse scaling on the quantized transformation coefficients. At least one from among the transformation coefficients and the samples has a predetermined bit depth or less.

    Abstract translation: 提供了一种在编码样本恢复期间调整编码输出数据的范围以调整位深度的视频编码方法，以及在解码处理的操作中基本上防止在输出数据中发生溢出的视频解码方法。 视频解码方法包括以接收到的比特流解码和恢复图像块的量化变换系数，通过对量化的变换系数执行逆量化来恢复变换系数，以及通过执行一维（1D）逆变换来恢复样本， 对量化变换系数进行反缩放。 变换系数和样本中的至少一个具有预定位深度或更小。

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