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1. 发明授权

US08676000B2 Method and apparatus for performing interpolation based on transform and inverse transform 有权
标题翻译：基于变换和逆变换进行插值的方法和装置
公开(公告)号：US08676000B2
公开(公告)日：2014-03-18
申请号：US13080319
申请日：2011-04-05
申请人： Elena Alshina , Alexander Alshin , Nikolay Shlyakhov , Byeong-doo Choi , Yoon-mi Hong , Woo-jin Han , Tammy Lee
发明人： Elena Alshina , Alexander Alshin , Nikolay Shlyakhov , Byeong-doo Choi , Yoon-mi Hong , Woo-jin Han , Tammy Lee
IPC分类号： G06K9/32
CPC分类号： G06T3/4007 , G06F17/175 , H04N7/014 , H04N19/117 , H04N19/182 , H04N19/30 , H04N19/48 , H04N19/523 , H04N19/59 , H04N19/80
摘要： Provided are a method and apparatus for interpolating an image. The method includes: selecting a first filter, from among a plurality of different filters, for interpolating between pixel values of integer pixel units, according to an interpolation location; and generating at least one pixel value of at least one fractional pixel unit by interpolating between the pixel values of the integer pixel units by using the selected first filter.
摘要翻译：提供了一种用于内插图像的方法和装置。该方法包括：根据插值位置，从多个不同滤波器中选择第一滤波器，用于在整数像素单元的像素值之间进行内插; 以及通过使用所选择的第一滤波器在整数像素单元的像素值之间进行内插来生成至少一个分数像素单元的至少一个像素值。

2. 发明授权

US09712822B2 Video encoding method and video encoding apparatus and video decoding method and video decoding apparatus, which perform deblocking filtering based on tree-structure encoding units 有权
公开(公告)号：US09712822B2
公开(公告)日：2017-07-18
申请号：US13641403
申请日：2011-04-13
申请人： Woo-jin Han , Elena Alshina , Jung-hye Min , Alexander Alshin , Il-koo Kim , Nikolay Shlyakhov , Tammy Lee , Sun-il Lee , Min-su Cheon , Jianle Chen , Vadim Seregin , Yoon-mi Hong
发明人： Woo-jin Han , Elena Alshina , Jung-hye Min , Alexander Alshin , Il-koo Kim , Nikolay Shlyakhov , Tammy Lee , Sun-il Lee , Min-su Cheon , Jianle Chen , Vadim Seregin , Yoon-mi Hong
IPC分类号： H04N7/32 , H04N19/119 , H04N19/176 , H04N19/196 , H04N19/50 , H04N19/147 , H04N19/61 , H04N19/96 , H04N19/513 , H04N19/593 , H04N19/44 , H04N19/52 , H04N19/172
CPC分类号： H04N19/50 , H04N19/117 , H04N19/119 , H04N19/139 , H04N19/147 , H04N19/159 , H04N19/172 , H04N19/176 , H04N19/184 , H04N19/197 , H04N19/30 , H04N19/44 , H04N19/513 , H04N19/52 , H04N19/59 , H04N19/593 , H04N19/61 , H04N19/80 , H04N19/82 , H04N19/86 , H04N19/96
摘要： A method of encoding a video is provided, the method includes: determining a filtering boundary on which deblocking filtering is to be performed based on at least one data unit from among a plurality of coding units that are hierarchically configured according to depths indicating a number of times at least one maximum coding unit is spatially spilt, and a plurality of prediction units and a plurality of transformation units respectively for prediction and transformation of the plurality of coding units, determining filtering strength at the filtering boundary based on a prediction mode of a coding unit to which pixels adjacent to the filtering belong from among the plurality of coding units, and transformation coefficient values of the pixels adjacent to the filtering boundary, and performing deblocking filtering on the filtering boundary based on the determined filtering strength.

3. 发明申请

US20130077682A1 VIDEO ENCODING METHOD AND VIDEO ENCODING APPARATUS AND VIDEO DECODING METHOD AND VIDEO DECODING APPARATUS, WHICH PERFORM DEBLOCKING FILTERING BASED ON TREE-STRUCTURE ENCODING UNITS 有权
标题翻译：视频编码方法和视频编码装置和视频解码方法和视频解码装置，其基于树结构编码单元执行解码滤波
公开(公告)号：US20130077682A1
公开(公告)日：2013-03-28
申请号：US13641403
申请日：2011-04-13
申请人： Woo-jin Han , Elena Alshina , Jung-hye Min , Alexander Alshin , Il-koo Kim , Nikolay Shlyakhov , Tammy Lee , Sun-il Lee , Min-su Cheon , Jianle Chen , Vadim Seregin , Yoon-mi Hong
发明人： Woo-jin Han , Elena Alshina , Jung-hye Min , Alexander Alshin , Il-koo Kim , Nikolay Shlyakhov , Tammy Lee , Sun-il Lee , Min-su Cheon , Jianle Chen , Vadim Seregin , Yoon-mi Hong
IPC分类号： H04N7/32
CPC分类号： H04N19/50 , H04N19/117 , H04N19/119 , H04N19/139 , H04N19/147 , H04N19/159 , H04N19/172 , H04N19/176 , H04N19/184 , H04N19/197 , H04N19/30 , H04N19/44 , H04N19/513 , H04N19/52 , H04N19/59 , H04N19/593 , H04N19/61 , H04N19/80 , H04N19/82 , H04N19/86 , H04N19/96
摘要： A method of encoding a video is provided, the method includes: determining a filtering boundary on which deblocking filtering is to be performed based on at least one data unit from among a plurality of coding units that are hierarchically configured according to depths indicating a number of times at least one maximum coding unit is spatially spilt, and a plurality of prediction units and a plurality of transformation units respectively for prediction and transformation of the plurality of coding units, determining filtering strength at the filtering boundary based on a prediction mode of a coding unit to which pixels adjacent to the filtering belong from among the plurality of coding units, and transformation coefficient values of the pixels adjacent to the filtering boundary, and performing deblocking filtering on the filtering boundary based on the determined filtering strength.
摘要翻译：提供了一种对视频进行编码的方法，该方法包括：基于根据指示多个编码单元的深度分级配置的多个编码单元中的至少一个数据单元来确定要执行去块滤波的滤波边界至少一个最大编码单位在空间上溢出，以及分别用于多个编码单元的预测和变换的多个预测单元和多个变换单元，基于编码的预测模式确定滤波边界处的滤波强度基于与滤波相邻的像素属于多个编码单位的单元和与滤波边界相邻的像素的变换系数值，并且基于所确定的滤波强度对滤波边界进行去块滤波。

4. 发明授权

US09100661B2 Method and apparatus for encoding video by using dynamic-range transformation, and method and apparatus for decoding video by using dynamic-range transformation 有权
标题翻译：通过使用动态范围变换来编码视频的方法和装置，以及通过使用动态范围变换对视频进行解码的方法和装置
公开(公告)号：US09100661B2
公开(公告)日：2015-08-04
申请号：US13079982
申请日：2011-04-05
申请人： Elena Alshina , Alexander Alshin , Woo-jin Han , Tammy Lee , Yoon-mi Hong
发明人： Elena Alshina , Alexander Alshin , Woo-jin Han , Tammy Lee , Yoon-mi Hong
IPC分类号： H04N19/00 , H04N19/61 , H04N19/98
CPC分类号： H04N19/61 , H04N19/98
摘要： Provided is a method and apparatus for encoding a video by using dynamic range transformation based on content and a method and apparatus for decoding a video by using dynamic range transformation based on content. The encoding method includes: performing inter prediction, through motion estimation, and intra prediction for a current region using image data in which a dynamic range of the current region is transformed based on content of an image of input video; performing transformation on residual data generated by the intra prediction and the inter prediction and performing quantization on a transformation coefficient generated by the transformation; and performing entropy encoding on the quantized transformation coefficient.
摘要翻译：提供了一种通过使用基于内容的动态范围变换来编码视频的方法和装置，以及通过使用基于内容的动态范围变换对视频进行解码的方法和装置。编码方法包括：使用基于输入图像的图像的内容对当前区域的动态范围进行变换的图像数据，通过运动估计和当前区域的帧内预测进行帧间预测; 对由帧内预测和帧间预测生成的残差数据进行变换，对由变换生成的变换系数进行量化; 对量化的变换系数进行熵编码。

5. 发明申请

US20130083851A1 METHOD AND APPARATUS FOR VIDEO ENCODING AND METHOD AND APPARATUS FOR VIDEO DECODING 审中-公开
标题翻译：用于视频编码的方法和装置以及用于视频解码的方法和装置
公开(公告)号：US20130083851A1
公开(公告)日：2013-04-04
申请号：US13640255
申请日：2011-04-06
申请人： Alexander Alshin , Elena Alshina , Nikolay Shlyakhov , Tammy Lee
发明人： Alexander Alshin , Elena Alshina , Nikolay Shlyakhov , Tammy Lee
IPC分类号： H04N7/36
CPC分类号： H04N19/176 , H04N19/182 , H04N19/537 , H04N19/577
摘要： Methods and apparatuses for encoding and decoding a video by using pixel unit bi-directional motion compensation are provided. According to the method of encoding a video, pixel unit motion compensation is performed on each pixel of a current block by using pixels of first and second reference pictures used for bi-directional motion prediction and compensation, in addition to block unit bi-directional motion compensation performed on the current block, and a bi-directional motion prediction value of the current block is generated by using results of the block unit bi-directional motion compensation and pixel unit motion compensation.
摘要翻译：提供了通过使用像素单元双向运动补偿来对视频进行编码和解码的方法和装置。根据编码视频的方法，除了块单元双向运动之外，通过使用用于双向运动预测和补偿的第一和第二参考图像的像素，对当前块的每个像素执行像素单位运动补偿通过使用块单位双向运动补偿和像素单位运动补偿的结果，生成对当前块执行的补偿和当前块的双向运动预测值。

6. 发明授权

US08711939B2 Method and apparatus for encoding and decoding video based on first sub-pixel unit and second sub-pixel unit 有权
标题翻译：基于第一子像素单元和第二子像素单元对视频进行编码和解码的方法和装置
公开(公告)号：US08711939B2
公开(公告)日：2014-04-29
申请号：US13080121
申请日：2011-04-05
申请人： Elena Alshina , Alexander Alshin , Min-su Cheon , Woo-jin Han , Tammy Lee
发明人： Elena Alshina , Alexander Alshin , Min-su Cheon , Woo-jin Han , Tammy Lee
IPC分类号： H04N7/26
CPC分类号： H04N19/523 , H04N19/30 , H04N19/46 , H04N19/52 , H04N19/53 , H04N19/533 , H04N19/96
摘要： Methods and apparatuses for encoding and decoding video are provided. The encoding method includes: performing motion estimation on a current block according to a first sub-pixel unit, and obtaining a motion vector in the first sub-pixel unit with respect to the current block; interpolating a reference picture indicated by the motion vector according to a second sub-pixel unit smaller than the first sub-pixel unit; using the interpolated reference picture, selecting a second sub-pixel in the second sub-pixel unit adjacent to a first sub-pixel in the first sub-pixel unit of the reference picture; selecting a corresponding region that has a smaller error with the current block, from among a first corresponding region of the reference picture and obtained with respect to the first sub-pixel, and a second corresponding region of the current block and obtained with respect to the selected second sub-pixel; and encoding information of the selected corresponding region.
摘要翻译：提供用于编码和解码视频的方法和装置。编码方法包括：根据第一子像素单元对当前块执行运动估计，并获得关于当前块的第一子像素单元中的运动矢量; 根据比第一子像素单元小的第二子像素单元内插由运动矢量指示的参考图像; 使用内插参考图像，在与参考图片的第一子像素单元中的第一子像素相邻的第二子像素单元中选择第二子像素; 从参考图像的第一对应区域中，相对于第一子像素选择与当前块具有较小误差的对应区域，以及当前块的第二对应区域，并相对于选择的第二子像素; 以及编码所选择的对应区域的信息。

7. 发明申请

US20130195177A1 METHOD AND DEVICE FOR THE TRANSFORMATION AND METHOD AND DEVICE FOR THE REVERSE TRANSFORMATION OF IMAGES 审中-公开
标题翻译：用于逆向转换图像的转换和方法和装置的方法和装置
公开(公告)号：US20130195177A1
公开(公告)日：2013-08-01
申请号：US13876760
申请日：2011-09-28
申请人： Yoon-mi Hong , Woo-jin Han , Tammy Lee , Min-su Cheon , Vadim Seregin
发明人： Yoon-mi Hong , Woo-jin Han , Tammy Lee , Min-su Cheon , Vadim Seregin
IPC分类号： H04N7/26
CPC分类号： H04N19/625 , G06F17/147 , H04N19/132 , H04N19/154 , H04N19/156 , H04N19/176
摘要： An image transforming method, an image transforming apparatus, an image inverse-transforming method, and an image inverse-transforming apparatus are provided. The image transforming method includes the operations of selecting a predetermined frequency area for performing a frequency transformation with respect to an M×N (where M and N are positive integers) input block, acquiring a truncated transform matrix by selecting elements to be used for a generation of transformation coefficients which correspond to the selected frequency area from among elements of an M×N transform matrix, and generating the transformation coefficients which correspond to the selected frequency area by performing the frequency transformation by applying the truncated transform matrix to the M×N input block.
摘要翻译：提供了图像变换方法，图像变换装置，图像逆变换方法以及图像逆变换装置。图像变换方法包括选择用于对M×N（其中M和N是正整数）输入块执行频率变换的预定频率区域的操作，通过选择要用于从M×N变换矩阵的元素中生成对应于所选择的频率区域的变换系数，并且通过将截断的变换矩阵应用于M×N来生成与选择的频率区域对应的变换系数输入块。

8. 发明授权

US08483501B2 Method and device for transformation of image and method and device for reverse transformation of image 失效
标题翻译：用于图像转换的方法和装置以及用于图像反向转换的方法和装置
公开(公告)号：US08483501B2
公开(公告)日：2013-07-09
申请号：US13188868
申请日：2011-07-22
申请人： Tammy Lee , Il-Koo Kim , Min-Su Cheon , Yoon-Mi Hong
发明人： Tammy Lee , Il-Koo Kim , Min-Su Cheon , Yoon-Mi Hong
IPC分类号： G06K9/36
CPC分类号： G06F17/147 , H04N19/60
摘要： Provided are methods and apparatuses for transforming and inverse-transforming an image. The method of transforming an image includes: generating a substituted N×N transformation matrix by substituting elements of an N×N transformation matrix used for a 1-dimensional (1D) discrete cosine transform (DCT) of a N×N block of the image with values based on N variables, where N is an integer; obtaining a multiplication matrix of the substituted N×N transformation matrix and a transposed matrix of the substituted N×N transformation matrix; obtaining the N variables that enable a sum of squares of elements excluding diagonal components of the obtained multiplication matrix to be a minimum; and transforming the N×N block by using the substituted N×N transformation matrix, which is substituted with the values based on the obtained N variables.
摘要翻译：提供了用于变换和逆变换图像的方法和装置。变换图像的方法包括：通过代替用于图像的N×N块的一维（1D）离散余弦变换（DCT）的N×N变换矩阵的元素来生成取代的N×N变换矩阵基于N个变量的值，其中N是整数; 获得取代的N×N变换矩阵的乘法矩阵和取代的N×N变换矩阵的转置矩阵; 获得使除去所获得的乘法矩阵的对角线分量之外的元素的平方和的总和为最小的N个变量; 并且通过使用被替换的N×N变换矩阵来变换N×N块，其被基于获得的N个变量的值代替。

9. 发明授权

US09674553B2 Video encoding method and apparatus using transformation unit of variable tree structure, and video decoding method and apparatus 有权
公开(公告)号：US09674553B2
公开(公告)日：2017-06-06
申请号：US13817724
申请日：2011-08-17
申请人： Tammy Lee , Woo-jin Han
发明人： Tammy Lee , Woo-jin Han
IPC分类号： H04N19/96 , H04N19/61 , H04N19/176 , H04N19/119 , H04N19/46 , H04N19/122 , H04N19/44 , H04N19/60 , H04N19/136 , H04N19/169 , H04N19/172 , H04N19/174
CPC分类号： H04N19/61 , H04N19/119 , H04N19/122 , H04N19/136 , H04N19/172 , H04N19/174 , H04N19/176 , H04N19/1883 , H04N19/44 , H04N19/46 , H04N19/60 , H04N19/96
摘要： A video encoding method is provided. The method includes: encoding a current region of a video by performing a transformation on the current region by using transformation units in a variable tree-structure which are determined from among transformation units that are hierarchically split from a base transformation unit with respect to the current region and which are generated based on a maximum split level of a transformation unit. The method further includes outputting encoded data of the current region, information about an encoding mode, and transformation-unit hierarchical-structure information including maximum size information and minimum size information of the transformation unit with respect to the video.

10. 发明授权

US09317896B2 Image interpolation method and apparatus 有权
标题翻译：图像插值方法和装置
公开(公告)号：US09317896B2
公开(公告)日：2016-04-19
申请号：US13809364
申请日：2011-07-11
申请人： Tammy Lee , Woo-Jin Han
发明人： Tammy Lee , Woo-Jin Han
IPC分类号： G06T3/40 , H04N7/01 , H04N19/176 , H04N19/117 , H04N19/157 , H04N19/523 , H04N19/59
CPC分类号： G06T3/4007 , H04N7/0117 , H04N7/0135 , H04N19/117 , H04N19/157 , H04N19/176 , H04N19/523 , H04N19/59
摘要： An image interpolation method and apparatus are provided. The image interpolation method includes: selecting different interpolation filters according to locations of sub pixels between integer pixels; and generating sub pixel values at the locations of the sub pixels using the selected interpolation filters.
摘要翻译：提供了一种图像插值方法和装置。图像插值方法包括：根据整数像素之间的子像素的位置来选择不同的插值滤波器; 以及使用所选择的内插滤波器在子像素的位置处生成子像素值。

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