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    Video encoding method and device and decoding method and device
    21.
    发明授权
    Video encoding method and device and decoding method and device 有权
    视频编码方法及装置及解码方法及装置

    公开(公告)号：US09350997B2

    公开(公告)日：2016-05-24

    申请号：US13876778

    申请日：2011-09-28

    申请人： Yoon-Mi Hong ,  Woo-Jin Han ,  Min-Su Cheon ,  Jianle Chen

    发明人： Yoon-Mi Hong ,  Woo-Jin Han ,  Min-Su Cheon ,  Jianle Chen

    IPC分类号： G06F17/14 ,  H04N19/60 ,  H04N19/625

    CPC分类号： H04N19/60 ,  G06F17/147 ,  H04N19/126 ,  H04N19/176 ,  H04N19/625

    摘要： A video encoding method, a video encoding apparatus, a video decoding method, and a video decoding apparatus, the video encoding method including producing a fast transform matrix based on a transform matrix which is used for frequency transformation on a predetermined-size block; producing a transformed block by transforming the predetermined-size block by using the fast transform matrix; and performing scaling with respect to the transformed block to correct a difference between the transform matrix used for the frequency transformation and the fast transform matrix.

    摘要翻译： 一种视频编码方法，视频编码装置，视频解码方法和视频解码装置，所述视频编码方法包括：基于用于预定大小块上的频率变换的变换矩阵产生快速变换矩阵; 通过使用快速变换矩阵变换预定大小的块来产生变换的块; 并且对变换的块进行缩放以校正用于频率变换的变换矩阵与快速变换矩阵之间的差异。

    METHOD AND APPARATUS FOR IMAGE ENCODING AND DECODING USING INTRA PREDICTION
    25.
    发明申请
    METHOD AND APPARATUS FOR IMAGE ENCODING AND DECODING USING INTRA PREDICTION 有权
    使用内部预测的图像编码和解码的方法和装置

    公开(公告)号：US20140133565A1

    公开(公告)日：2014-05-15

    申请号：US14130095

    申请日：2012-06-28

    申请人： Tammy Lee ,  Jianle Chen

    发明人： Tammy Lee ,  Jianle Chen

    IPC分类号： H04N19/51

    CPC分类号： H04N19/52 ,  H04N19/13 ,  H04N19/51 ,  H04N19/593 ,  H04N19/61 ,  H04N19/82 ,  H04N19/91 ,  H04N19/96

    摘要： Provided are a method and apparatus for intra predicting an image, which generate a prediction value via linear interpolation in horizontal and vertical directions of a current prediction unit. The method includes: generating first and second virtual pixels by using at least one adjacent pixel located upper right and lower left to a current prediction unit; obtaining a first prediction value of a current pixel via linear interpolation using an adjacent left pixel located on the same line as the first virtual pixel and the current pixel; obtaining a second prediction value of the current pixel via linear interpolation using an adjacent upper pixel located on the same column as the second virtual pixel and the current pixel; and obtaining a prediction value of the current pixel by using the first and second prediction values.

    摘要翻译： 提供了一种用于帧内预测图像的方法和装置，其通过当前预测单元的水平和垂直方向上的线性内插生成预测值。 该方法包括：通过使用位于当前预测单元的右上和左下的至少一个相邻像素来产生第一和第二虚拟像素; 使用位于与第一虚拟像素和当前像素在同一行上的相邻左像素通过线性内插获得当前像素的第一预测值; 通过使用位于与第二虚拟像素和当前像素相同的列的相邻上像素通过线性内插获得当前像素的第二预测值; 以及通过使用第一和第二预测值来获得当前像素的预测值。

    METHOD AND DEVICE FOR ENCODING INTRA PREDICTION MODE FOR IMAGE PREDICTION UNIT, AND METHOD AND DEVICE FOR DECODING INTRA PREDICTION MODE FOR IMAGE PREDICTION UNIT
    26.
    发明申请
    METHOD AND DEVICE FOR ENCODING INTRA PREDICTION MODE FOR IMAGE PREDICTION UNIT, AND METHOD AND DEVICE FOR DECODING INTRA PREDICTION MODE FOR IMAGE PREDICTION UNIT 有权
    用于编码用于图像预测单元的预测模式的方法和装置，以及用于解码用于图像预测单元的预测模式的方法和装置

    公开(公告)号：US20130272401A1

    公开(公告)日：2013-10-17

    申请号：US13997524

    申请日：2011-12-23

    申请人： Vadim Seregin ,  Jianle Chen ,  Sun-il Lee ,  Tammy Lee

    发明人： Vadim Seregin ,  Jianle Chen ,  Sun-il Lee ,  Tammy Lee

    IPC分类号： H04N7/26

    CPC分类号： H04N19/13 ,  H04N19/11 ,  H04N19/119 ,  H04N19/154 ,  H04N19/186 ,  H04N19/46 ,  H04N19/463 ,  H04N19/593

    摘要： Methods and apparatuses for encoding and decoding an intra prediction mode of a prediction unit of a chrominance component based on an intra prediction mode of a prediction unit of a luminance component are provided. When an intra prediction mode of a prediction unit of a luminance component is the same as an intra prediction mode in an intra prediction mode candidate group of a prediction unit of a chrominance component, reconstructing the intra prediction mode candidate group of the prediction unit of the chrominance component by excluding or replacing an intra prediction mode of the prediction unit of the chrominance component which is same as an intra prediction mode of the prediction unit of the luminance component from the intra prediction mode candidate group, and encoding the intra prediction mode of the prediction unit of the chrominance component by using the reconstructed intra prediction mode candidate group.

    摘要翻译： 提供了用于基于亮度分量的预测单元的帧内预测模式对色度分量的预测单元的帧内预测模式进行编码和解码的方法和装置。 当亮度分量的预测单元的帧内预测模式与色度分量的预测单元的帧内预测模式候选组中的帧内预测模式相同时，重建预测单元的帧内预测模式候选组， 通过从帧内预测模式候选组中排除或替换与亮度分量的预测单元的帧内预测模式相同的色度分量的预测单元的帧内预测模式，并对帧内预测模式进行编码， 通过使用重建的帧内预测模式候选组的色度分量的预测单元。

    Method and apparatus for encoding motion information and method and apparatus for decoding same
    27.
    发明授权
    Method and apparatus for encoding motion information and method and apparatus for decoding same 有权

    公开(公告)号：US10264276B2

    公开(公告)日：2019-04-16

    申请号：US14126622

    申请日：2012-06-14

    申请人： Tammy Lee ,  Jianle Chen

    发明人： Tammy Lee ,  Jianle Chen

    IPC分类号： H04N19/52 ,  H04N19/65 ,  H04N19/105 ,  H04N19/139 ,  H04N19/513 ,  H04N19/517 ,  H04N19/176

    摘要： Provided are methods and apparatus for encoding and decoding motion information. The method of encoding motion information includes: obtaining a motion information candidate by using motion information of prediction units that are temporally or spatially related to a current prediction unit; adding, when the number of motion information included in the motion information candidate is smaller than a predetermined number n, alternative motion information to the motion information candidate so that the number of motion information included in the motion information candidate reaches the predetermined number n; determining motion information with respect to the current prediction unit from among the n motion information candidates; and encoding index information indicating the determined motion information as motion information of the current prediction unit.

    METHOD AND APPARATUS FOR IMAGE ENCODING AND DECODING USING ADAPTIVE QUANTIZATION PARAMETER DIFFERENTIAL
    29.
    发明申请
    METHOD AND APPARATUS FOR IMAGE ENCODING AND DECODING USING ADAPTIVE QUANTIZATION PARAMETER DIFFERENTIAL 审中-公开
    使用自适应量化参数差分的图像编码和解码的方法和装置

    公开(公告)号：US20140241422A1

    公开(公告)日：2014-08-28

    申请号：US14130135

    申请日：2012-06-28

    申请人： Tammy Lee ,  Jianle Chen

    发明人： Tammy Lee ,  Jianle Chen

    IPC分类号： H04N19/126 ,  H04N19/196 ,  H04N19/176

    CPC分类号： H04N19/176 ,  H04N19/126 ,  H04N19/196 ,  H04N19/463

    摘要： A method of encoding an image, a method of decoding an image, an image encoding apparatus, and an image decoding apparatus, the method of encoding an image including the operations of determining a scaling factor, determining a quantization parameter (QP) value of a current block, acquiring a predicted QP value of the current block, determining a QP difference value by using the QP value and the predicted QP value, adjusting the QP difference value by extracting the scaling factor from the QP difference value, generating a bitstream including the scaling factor and the adjusted QP difference value, and transmitting the bitstream.

    摘要翻译： 一种图像编码方法，图像解码方法，图像编码装置和图像解码装置，对包括确定缩放因子的操作的图像进行编码的方法，确定缩放因子的量化参数（QP）值 获取当前块的预测QP值，通过使用QP值和预测QP值确定QP差值，通过从QP差值提取缩放因子来调整QP差值，生成包括 缩放因子和调整后的QP差值，并发送比特流。