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公开(公告)号：EP3190793A1
公开(公告)日：2017-07-12
申请号：EP14903702.0
申请日：2014-12-29
发明人： CHOI, Dai-woong , CHOI, Woong-il , CHO, Dae-sung
IPC分类号： H04N19/40 , H04N19/124
CPC分类号： H04N19/124 , H04N19/126 , H04N19/172 , H04N19/184 , H04N19/40 , H04N19/625 , H04N19/91
摘要： Provided is a re-encoding method including obtaining a first quantization table from a bitstream including an image encoded using the first quantization table; obtaining a second quantization table based on a pattern representing a size distribution of values of elements of the first quantization table, the second quantization table including elements respectively corresponding to the elements of the first quantization table; and re-encoding a reconstructed image by using the second quantization table, the reconstructed image being obtained by decoding the encoded image by using the first quantization table.
摘要翻译： 提供了一种重新编码方法，包括：从包括使用第一量化表编码的图像的比特流获得第一量化表; 基于表示所述第一量化表的元素的值的大小分布的模式来获得第二量化表，所述第二量化表包括分别与所述第一量化表的元素相对应的元素; 以及通过使用第二量化表来重新编码重构图像，重构图像是通过使用第一量化表对编码图像进行解码而获得的。
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2.发明公开
公开(公告)号：EP3637773A1
公开(公告)日：2020-04-15
申请号：EP18856771.3
申请日：2018-03-30
发明人： LEE, Jin-young , PIAO, Yin-ji , CHOI, Woong-il
IPC分类号： H04N19/52 , H04N19/523 , H04N19/70
摘要： A method of decoding a motion vector includes: determining at least one prediction motion vector (PMV) candidate block used to determine a PMV of a current block; determining an availability of a motion vector of the at least one PMV candidate block; when there is a PMV candidate block determined to be unavailable, determining the PMV of the current block by using a default motion vector (MV); and obtaining a motion vector of the current block based on the determined PMV.
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3.发明公开
公开(公告)号：EP3709650A1
公开(公告)日：2020-09-16
申请号：EP18875061.6
申请日：2018-03-30
发明人： LEE, Jin-young , CHOI, Woong-il
IPC分类号： H04N19/51 , H04N19/44 , H04N19/176
摘要： A method of decoding motion information includes: identifying a type of omission motion information not included in a bitstream from among a plurality of pieces of motion information used to decode a current block that is inter predicted; obtaining the omission motion information by using a predetermined method; and decoding the current block based on the plurality of pieces of motion information including the obtained omission motion information.
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公开(公告)号：EP3209020A1
公开(公告)日：2017-08-23
申请号：EP15857097.8
申请日：2015-05-21
发明人： CHOI, Dai-woong , CHOI, Woong-il , KIM, Dong-woo , LEE, A-rang , LEE, Jong-seok
IPC分类号： H04N19/40 , H04N19/124
摘要： Provided is a method of determining whether an image is to be re-encoded, the method including obtaining a first quantization matrix from an image file including the image, the image being encoded by quantization based on the first quantization matrix including a plurality of first quantization parameters; obtaining a second quantization matrix from a re-encoding device, the second quantization matrix including a plurality of second quantization parameters and having the same size as the first quantization matrix; determining a comparison coefficient based on elements greater than '0' among elements of a comparison matrix obtained by subtracting the first quantization matrix from the second quantization matrix; and determining that the image is to be decoded by inverse quantization based on the first quantization matrix and the decoded image is to be re-encoded by quantization based on the second quantization matrix, when the comparison coefficient is greater than a first threshold value.
摘要翻译： 提供了一种确定图像是否将被重新编码的方法，所述方法包括：从包括所述图像的图像文件获得第一量化矩阵，所述图像通过基于包括多个第一量化的第一量化矩阵通过量化来编码 参数; 从再编码装置获得第二量化矩阵，所述第二量化矩阵包括多个第二量化参数并且具有与第一量化矩阵相同的尺寸; 基于通过从所述第二量化矩阵中减去所述第一量化矩阵而获得的比较矩阵的元素中的大于'0'的元素来确定比较系数; 以及当比较系数大于第一阈值时，基于第一量化矩阵确定图像将通过逆量化被解码，并且解码图像将通过基于第二量化矩阵的量化被重新编码。
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公开(公告)号：EP3562164A1
公开(公告)日：2019-10-30
申请号：EP18754229.5
申请日：2018-02-09
发明人： PARK, Pil-kyu , CHOI, Kwang-pyo , CHOI, Woong-il , KIM, Myung-ho , KIM, Sung-chan , PARK, Jeong-hoon , YANG, Hee-chul , LEE, Chang-hyun
IPC分类号： H04N21/234 , H04N21/258 , H04N21/45 , H04N21/2381 , H04N21/81
摘要： Provided is a method, performed by a terminal, of providing content includes determining whether at least one content is included in preference content, based on information about the at least one content provided to the terminal and preference information of a user of the terminal about content; content, which is not included in the preference content, is present in the at least one content, transmitting, to a server, a request to change the first content to second content included in the preference content based on previously stored information about the preference content; and outputting the second content received from the server, in response to the request.
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6.发明公开
公开(公告)号：EP3258689A1
公开(公告)日：2017-12-20
申请号：EP15884080.1
申请日：2015-09-08
IPC分类号： H04N19/134 , H04N5/232 , H04N5/225
CPC分类号： H04N19/115 , H04N5/225 , H04N19/124 , H04N19/136 , H04N19/162 , H04N19/167 , H04N19/172
摘要： An image encoding method includes: obtaining imaging information determined during a process of capturing an image; generating metadata for determining a compression strength of the image based on the imaging information; determining the compression strength of the image based on the metadata; and encoding the image based on the determined compression strength.
摘要翻译： 一种图像编码方法，包括：获取拍摄图像过程中确定的成像信息; 基于成像信息生成用于确定图像的压缩强度的元数据; 基于元数据确定图像的压缩强度; 以及基于所确定的压缩强度对图像进行编码。
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公开(公告)号：EP3739887A1
公开(公告)日：2020-11-18
申请号：EP18898883.6
申请日：2018-03-29
发明人： CHOI, Woong-il , LEE, Sun-il , CHOI, Ki-ho
IPC分类号： H04N19/86 , H04N19/122 , H04N19/117 , H04N19/105 , H04N19/176
摘要： Provided is a video decoding method of applying a deblocking filter to neighboring pixels adjacent to a boundary of a current block, the video decoding method including selecting a deblocking filter to be applied to the neighboring pixels from among a plurality of deblocking filters according to pixel values of the neighboring pixels and a size of the current block, and applying the selected deblocking filter to the neighboring pixels, wherein the plurality of deblocking filters include three or more deblocking filters having different ranges of neighboring pixels to which deblocking filtering is applied.
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公开(公告)号：EP3618435A1
公开(公告)日：2020-03-04
申请号：EP18828567.0
申请日：2018-03-30
发明人： LEE, Jin-young , JEONG, Seung-soo , CHOI, Woong-il , TAMSE, Anish , PIAO, Yin-ji
IPC分类号： H04N19/105 , H04N19/139 , H04N19/176 , H04N19/184
摘要： A method of decoding a motion vector includes: obtaining information indicating a motion vector resolution (MVR) of a current block from a bitstream; selecting one candidate block from among at least one candidate block, based on the MVR of the current block; and obtaining a motion vector of the current block corresponding to the MVR, by using a motion vector of the determined one candidate block as a prediction motion vector of the current block.
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公开(公告)号：EP3209020B1
公开(公告)日：2020-02-12
申请号：EP15857097.8
申请日：2015-05-21
发明人： CHOI, Dai-woong , CHOI, Woong-il , KIM, Dong-woo , LEE, A-rang , LEE, Jong-seok
IPC分类号： H04N19/40 , H04N19/124 , H04N19/154 , H04N19/172
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10.发明公开VIDEO CODING METHOD AND DEVICE USING HIGH-SPEED EDGE DETECTION, AND RELATED VIDEO DECODING METHOD AND DEVICE 审中-公开视频编码方法和装置具有更快的边缘检测及相关的视频解码方法和设备
公开(公告)号：EP2840790A1
公开(公告)日：2015-02-25
申请号：EP13778608.3
申请日：2013-04-16
发明人： KIM, Chan-yul , CHOI, Woong-il , KIM, Jae-hyun , PARK, Jeong-hoon
IPC分类号： H04N7/26
CPC分类号： H04N19/132 , H04N19/119 , H04N19/129 , H04N19/14 , H04N19/147 , H04N19/167 , H04N19/176 , H04N19/182 , H04N19/59 , H04N19/60 , H04N19/85 , H04N19/96
摘要： A video encoding method and apparatus using fast edge detection for determining a split shape of a picture is disclosed. A split shape of coding units having a tree structure is obtained by replacing a sampling unit having a predetermined size with one of an edge pixel and a normal pixel based on a maximum high frequency component obtained through orthogonal transformation on the sampling unit and obtaining a down-sampled picture, and repeatedly performing a process of splitting the down-sampled picture into the coding units and splitting the coding unit into lower coding units according to whether the edge pixel is present in the coding unit.
摘要翻译： 使用近边缘检测用于确定性采矿图片的分割形状的视频编码方法和装置游离缺失盘。 具有树结构的编码单元的分割形状通过更换采样单元具有带边缘像素中的一个的预定尺寸和基于通过所述采样单元上的正交变换而获得的最大高频分量上的正常像素，并获得向下获得 -sampled图片，并且重复地执行分割的向下采样图像到编码单元和编码单元分成较低的编码单元gemäß有无边缘像素存在于编码单元的处理。
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