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1.发明授权Method and apparatus for encoding and decoding an image by using rotational transform 失效通过使用旋转变换对图像进行编码和解码的方法和装置公开(公告)号：US08532416B2
公开(公告)日：2013-09-10
申请号：US12855901
申请日：2010-08-13
申请人： Elena Alshina , Alexander Alshin , Vadim Seregin
发明人： Elena Alshina , Alexander Alshin , Vadim Seregin
IPC分类号： G06K9/36
CPC分类号： H04N19/119 , H04N19/122 , H04N19/147 , H04N19/176 , H04N19/18 , H04N19/19 , H04N19/61
摘要： A method and apparatus for encoding an image is provided. The method and apparatus include quantizing and entropy encoding a second frequency coefficient matrix that is generated by performing a partial exchange of one or more values between rows and between columns of a first frequency coefficient matrix. A method and apparatus for decoding image data that is encoded by using the method and apparatus for encoding the image is also provided.
摘要翻译： 提供了一种用于编码图像的方法和装置。 所述方法和装置包括对通过在第一频率系数矩阵的行之间和列之间执行一个或多个值的部分交换而产生的第二频率系数矩阵的量化和熵编码。 还提供了一种用于对通过使用用于编码图像的方法和装置编码的图像数据进行解码的方法和装置。
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2.发明申请METHOD AND APPARATUS FOR ENCODING IMAGE BY EXPONENTIAL GOLOMB BINARIZATION USING OPTIMAL THRESHOLD, AND METHOD AND APPARATUS FOR DECODING IMAGE BY EXPONENTIAL GOLOMB BINARIZATION USING OPTIMAL THRESHOLD 有权通过使用最优阈值的指定GOLOMB联合编码图像的方法和装置，以及使用优化阈值通过指定GOLOMB的二进制解码图像的方法和装置公开(公告)号：US20090097768A1
公开(公告)日：2009-04-16
申请号：US12173069
申请日：2008-07-15
IPC分类号： G06K9/36
CPC分类号： H04N19/625 , H04N19/12 , H04N19/126 , H04N19/129 , H04N19/13 , H04N19/146 , H04N19/147 , H04N19/176 , H04N19/19 , H04N19/192 , H04N19/46 , H04N19/61
摘要： A method and apparatus for coding an image by using exponential Golomb binarization are provided. The method comprises: performing entropy coding on an input image by performing exponential Golomb binarization using a plurality of predetermined thresholds; measuring a bit rate of a bit stream which is generated by performing the entropy coding using each threshold; and determining an optimal threshold by comparing bit rates with regard to the thresholds.
摘要翻译： 提供了一种通过使用指数Golomb二值化对图像进行编码的方法和装置。 该方法包括：通过使用多个预定阈值执行指数Golomb二进制化来对输入图像执行熵编码; 测量通过使用每个阈值执行熵编码而生成的比特流的比特率; 以及通过将比特率相对于所述阈值进行比较来确定最佳阈值。
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3.发明授权公开(公告)号：US08311110B2
公开(公告)日：2012-11-13
申请号：US13403534
申请日：2012-02-23
IPC分类号： H04N7/12
CPC分类号： H04N19/13 , H04N19/11 , H04N19/117 , H04N19/119 , H04N19/176 , H04N19/182 , H04N19/198 , H04N19/33 , H04N19/50 , H04N19/593 , H04N19/82 , H04N19/91
摘要： A video encoding method and apparatus and a video decoding method and apparatus. In the video encoding method, a first predicted coding unit of a current coding unit that is to be encoded is produced, a second predicted coding unit is produced by changing a value of each pixel of the first predicted coding unit by using each pixel of the first predicted coding unit and at least one neighboring pixel of each pixel, and the difference between the current coding unit and the second predicted coding unit is encoded, thereby improving video prediction efficiency.
摘要翻译： 视频编码方法和装置以及视频解码方法和装置。 在视频编码方法中，产生要编码的当前编码单元的第一预测编码单元，通过使用第一预测编码单元的每个像素来改变第一预测编码单元的每个像素的值来产生第二预测编码单元 第一预测编码单元和每个像素的至少一个相邻像素，并且对当前编码单元和第二预测编码单元之间的差进行编码，从而提高视频预测效率。
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4.发明授权Method and apparatus for encoding image by exponential Golomb binarization using optimal threshold, and method and apparatus for decoding image by exponential Golomb binarization using optimal threshold 有权使用最优阈值通过指数Golomb二值化对图像进行编码的方法和装置，以及使用最优阈值的指数Golomb二值化对图像进行解码的方法和装置公开(公告)号：US08139879B2
公开(公告)日：2012-03-20
申请号：US12173069
申请日：2008-07-15
IPC分类号： G06K9/46
CPC分类号： H04N19/625 , H04N19/12 , H04N19/126 , H04N19/129 , H04N19/13 , H04N19/146 , H04N19/147 , H04N19/176 , H04N19/19 , H04N19/192 , H04N19/46 , H04N19/61
摘要： A method and apparatus for coding an image by using exponential Golomb binarization are provided. The method comprises: performing entropy coding on an input image by performing exponential Golomb binarization using a plurality of predetermined thresholds; measuring a bit rate of a bit stream which is generated by performing the entropy coding using each threshold; and determining an optimal threshold by comparing bit rates with regard to the thresholds.
摘要翻译： 提供了一种通过使用指数Golomb二值化对图像进行编码的方法和装置。 该方法包括：通过使用多个预定阈值执行指数Golomb二进制化来对输入图像执行熵编码; 测量通过使用每个阈值执行熵编码而生成的比特流的比特率; 以及通过将比特率相对于所述阈值进行比较来确定最佳阈值。
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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.
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6.发明授权公开(公告)号：US08879626B2
公开(公告)日：2014-11-04
申请号：US13002398
申请日：2009-07-02
IPC分类号： H04N7/12 , H04N19/182 , H04N19/33 , H04N19/176 , H04N19/117 , H04N19/50 , H04N19/91 , H04N19/82 , H04N19/593 , H04N19/119 , H04N19/11
CPC分类号： H04N19/13 , H04N19/11 , H04N19/117 , H04N19/119 , H04N19/176 , H04N19/182 , H04N19/198 , H04N19/33 , H04N19/50 , H04N19/593 , H04N19/82 , H04N19/91
摘要： A video encoding method and apparatus and a video decoding method and apparatus. In the video encoding method, a first predicted coding unit of a current coding unit that is to be encoded is produced, a second predicted coding unit is produced by changing a value of each pixel of the first predicted coding unit by using each pixel of the first predicted coding unit and at least one neighboring pixel of each pixel, and the difference between the current coding unit and the second predicted coding unit is encoded, thereby improving video prediction efficiency.
摘要翻译： 视频编码方法和装置以及视频解码方法和装置。 在视频编码方法中，产生要编码的当前编码单元的第一预测编码单元，通过使用第一预测编码单元的每个像素来改变第一预测编码单元的每个像素的值来产生第二预测编码单元 第一预测编码单元和每个像素的至少一个相邻像素，并且对当前编码单元和第二预测编码单元之间的差进行编码，从而提高视频预测效率。
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7.发明授权Method and apparatus for encoding and decoding image by using rotational transform 失效通过使用旋转变换对图像进行编码和解码的方法和装置公开(公告)号：US08494296B2
公开(公告)日：2013-07-23
申请号：US12964114
申请日：2010-12-09
申请人： Elena Alshina , Alexander Alshin , Vadim Seregin
发明人： Elena Alshina , Alexander Alshin , Vadim Seregin
CPC分类号： H04N19/157 , H04N19/122 , H04N19/176 , H04N19/61
摘要： Disclosed are a method and apparatus for encoding and decoding an image. The image encoding method includes: generating a first frequency coefficient matrix by performing spatial transform (e.g. discrete cosine transform (DCT) on a current block; determining an angle parameter based on whether the current block is intra or inter predicted; generating a second frequency coefficient matrix by performing a partial switch between at least one of rows and columns of the first frequency coefficient matrix based on the determined angle parameter; and encoding the second frequency coefficient matrix and information about the angle parameter.
摘要翻译： 公开了一种用于对图像进行编码和解码的方法和装置。 图像编码方法包括：通过对当前块执行空间变换（例如离散余弦变换（DCT））来生成第一频率系数矩阵;基于当前块是在帧内还是帧间预测来确定角度参数;生成第二频率系数 基于所确定的角度参数，在所述第一频率系数矩阵的行和列中的至少一个之间执行部分切换;以及对所述第二频率系数矩阵和关于所述角度参数的信息进行编码。
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公开(公告)号：US08467625B2
公开(公告)日：2013-06-18
申请号：US12914181
申请日：2010-10-28
申请人： Elena Alshina , Alexander Alshin , Vadim Seregin
发明人： Elena Alshina , Alexander Alshin , Vadim Seregin
CPC分类号： H04N19/625 , H04N19/119 , H04N19/122 , H04N19/14 , H04N19/176 , H04N19/18 , H04N19/61
摘要： An image encoding method includes generating a first frequency coefficient matrix by transforming a predetermined block to a frequency domain; determining whether the first frequency coefficient matrix includes coefficients whose absolute values are greater than a predetermined value; generating a second frequency coefficient matrix by selectively partially switching at least one of rows and columns of the first frequency coefficient matrix according to an angle parameter based on a determination result; and selectively encoding the second frequency coefficient matrix based on the determination result.
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公开(公告)号：US08200035B2
公开(公告)日：2012-06-12
申请号：US12173366
申请日：2008-07-15
CPC分类号： H04N19/18 , H04N19/126 , H04N19/14 , H04N19/176 , H04N19/44 , H04N19/46
摘要： Provided are a method and apparatus for correcting quantized coefficients. In the method, statistical values of coefficients and quantized coefficients are extracted from a received video data stream, coefficient correction values for each pixel position in blocks are determined by using the statistical distribution of the coefficients depending on the statistical values, and then the coefficients are corrected by respectively adding the coefficient correction values to corresponding coefficients of respective pixel positions.
摘要翻译： 提供了一种用于校正量化系数的方法和装置。 在该方法中，从接收到的视频数据流中提取系数和量化系数的统计值，根据统计值，使用系数的统计分布来确定块中每个像素位置的系数校正值，然后系数为 通过将系数校正值分别加到相应像素位置的相应系数来校正。
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10.发明申请公开(公告)号：US20110103475A1
公开(公告)日：2011-05-05
申请号：US13002398
申请日：2009-07-02
IPC分类号： H04N7/32
CPC分类号： H04N19/13 , H04N19/11 , H04N19/117 , H04N19/119 , H04N19/176 , H04N19/182 , H04N19/198 , H04N19/33 , H04N19/50 , H04N19/593 , H04N19/82 , H04N19/91
摘要： A video encoding method and apparatus and a video decoding method and apparatus. In the video encoding method, a first predicted coding unit of a current coding unit that is to be encoded is produced, a second predicted coding unit is produced by changing a value of each pixel of the first predicted coding unit by using each pixel of the first predicted coding unit and at least one neighboring pixel of each pixel, and the difference between the current coding unit and the second predicted coding unit is encoded, thereby improving video prediction efficiency.
摘要翻译： 视频编码方法和装置以及视频解码方法和装置。 在视频编码方法中，产生要编码的当前编码单元的第一预测编码单元，通过使用第一预测编码单元的每个像素来改变第一预测编码单元的每个像素的值来产生第二预测编码单元 第一预测编码单元和每个像素的至少一个相邻像素，并且对当前编码单元和第二预测编码单元之间的差进行编码，从而提高视频预测效率。
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