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21. 发明公开

EP3402197A1 METHOD AND APPARATUS FOR ENCODING VIDEO, AND DECODING METHOD AND APPARATUS 有权转让
公开(公告)号：EP3402197A1
公开(公告)日：2018-11-14
申请号：EP18175478.9
申请日：2011-08-17
申请人： Electronics and Telecommunications Research Institute
发明人： LIM, Sung Chang , KIM, Hui Yong , JEONG, Se Yoon , CHO, Suk Hee , KIM, Jong Ho , LEE, Ha Hyun , LEE, Jin Ho , CHOI, Jin Soo , KIM, Jin Woong , AHN, Chie Teuk
IPC分类号： H04N19/176 , H04N19/70 , H04N19/119 , H04N19/14 , H04N19/33 , H04N19/196 , H04N19/463 , H04N19/124
CPC分类号： H04N19/124 , H04N19/119 , H04N19/14 , H04N19/176 , H04N19/196 , H04N19/33 , H04N19/463 , H04N19/70
摘要： The present invention relates to a video encoding method and apparatus for setting and encoding quantization parameters, and to a video decoding method and apparatus for decoding and setting quantization parameters in a video encoding and decoding apparatus which uses blocks having various sizes and depths as encoding and decoding units.

22. 发明公开

EP3402196A1 METHOD AND APPARATUS FOR ENCODING VIDEO, AND DECODING METHOD AND APPARATUS 有权转让
公开(公告)号：EP3402196A1
公开(公告)日：2018-11-14
申请号：EP18175284.1
申请日：2011-08-17
申请人： Electronics and Telecommunications Research Institute
发明人： LIM, Sung Chang , KIM, Hui Yong , JEONG, Se Yoon , CHO, Suk Hee , KIM, Jong Ho , LEE, Ha Hyun , LEE, Jin Ho , CHOI, Jin Soo , KIM, Jin Woong , AHN, Chie Teuk
IPC分类号： H04N19/176 , H04N19/70 , H04N19/119 , H04N19/14 , H04N19/33 , H04N19/196 , H04N19/463 , H04N19/124
CPC分类号： H04N19/124 , H04N19/119 , H04N19/14 , H04N19/176 , H04N19/196 , H04N19/33 , H04N19/463 , H04N19/70
摘要： The present invention relates to a video encoding method and apparatus for setting and encoding quantization parameters, and to a video decoding method and apparatus for decoding and setting quantization parameters in a video encoding and decoding apparatus which uses blocks having various sizes and depths as encoding and decoding units.

23. 发明授权

EP2608540B1 METHOD AND APPARATUS FOR ENCODING VIDEO, AND DECODING METHOD AND APPARATUS 有权转让
公开(公告)号：EP2608540B1
公开(公告)日：2018-08-01
申请号：EP11818406.8
申请日：2011-08-17
申请人： Electronics and Telecommunications Research Institute
发明人： LIM, Sung Chang , KIM, Hui Yong , JEONG, Se Yoon , CHO, Suk Hee , KIM, Jong Ho , LEE, Ha Hyun , LEE, Jin Ho , CHOI, Jin Soo , KIM, Jin Woong , AHN, Chie Teuk
IPC分类号： H04N19/176 , H04N19/70 , H04N19/119 , H04N19/14 , H04N19/33 , H04N19/196 , H04N19/463 , H04N19/124
CPC分类号： H04N19/124 , H04N19/119 , H04N19/14 , H04N19/176 , H04N19/196 , H04N19/33 , H04N19/463 , H04N19/70
摘要： The present invention relates to a video encoding method and apparatus for setting and encoding quantization parameters, and to a video decoding method and apparatus for decoding and setting quantization parameters in a video encoding and decoding apparatus which uses blocks having various sizes and depths as encoding and decoding units.

24. 发明公开

EP3154266A1 APPARATUS AND METHOD FOR CODING/DECODING IMAGE SELECTIVLY USING DISCRETE COSINE/SINE TRANSTORM 审中-公开
标题翻译：设备和方法选择编码/解码图像利用离散余弦/正弦变换
公开(公告)号：EP3154266A1
公开(公告)日：2017-04-12
申请号：EP16192982.3
申请日：2009-10-05
申请人： Electronics and Telecommunications Research Institute
发明人： LIM, Sung-Chang , JEONG, Se Yoon , CHOI, Hae Chul , HONG, Jin Woo , LEE, Yung-Lyul , KIM, Dae-Yeon , CHOI, Jin Soo
IPC分类号： H04N19/19 , H04N19/12 , H04N19/147 , H04N19/132 , H04N19/149 , H04N19/46 , H04N19/70 , H04N7/173 , H04N21/236
CPC分类号： G06T9/007 , G06T9/004 , H04N7/17318 , H04N19/12 , H04N19/132 , H04N19/147 , H04N19/149 , H04N19/19 , H04N19/46 , H04N19/70 , H04N21/236
摘要： Disclosed is an apparatus of decoding an image. The apparatus comprises: an inverse quantizing unit to determinine a scaling factor for inverse-quantizing transform coeffcients of a current block and inverse-quantize the transform coefficients of the current block based on both the determined scaling factor and a value resulting from dividing a quantization parameter by 6, wherein the scaling factor is determined based on a size of the current block, and wherein the scaling factor corresponding to each of a block with a 4x4 size and a block with an 8x8 size is pre-defined at the apparatus; a transform scheme decision unit to determine a transform scheme with respect to the inverse-quantized transform coefficients based on a first flag, wherein the first flag indicates either an inverse discrete cosine transform (DCT) or an inverse discrete sine transform (DST); an first inverse transform unit to perform inverse-transform on the inverse-quantized transform coeffcients by using the inverse DCT when the decided transform scheme is the inverse DCT; and an second inverse transform unit to perform the inverse-transform on the inverse-quantized transform coefficients by using the inverse DST when the decided transform scheme is the inverse DST.
摘要翻译：本发明公开了一种对图像解码的装置。该装置包括：逆量化单元到determinine的缩放因子进行逆量化变换当前块的coeffcients和逆量化基于两个确定性开采缩放因子，并从划分的量化参数得到的值与当前块的变换系数通过如图6所示，worin缩放因子是确定的开采基于大小的当前块的，并且worin缩放因子对应于与4×4大小和8×8在尺寸与块的块的，在该设备被预先定义; 一个相对于变换方案决策单元确定性矿变换方案到逆量化的变换基于第一标志系数，worin第一标志表示逆离散余弦的任变换（DCT）或逆离散正弦变换（DST）; 在第一逆变换单元，用于执行通过使用逆DCT当决定变换方案对逆量化的变换coeffcients逆变换是逆DCT; 和在第二逆变换单元，用于执行所述逆量化的逆变换的变换系数通过使用逆DST当决定变换方案是逆DST。

25. 发明公开

EP2658262A2 INTRA PREDICTION MODE ENCODING/DECODING METHOD AND APPARATUS FOR SAME 审中-公开
标题翻译：编码和解码与设备体和INTRAPRÄDIKTIONSMODUS
公开(公告)号：EP2658262A2
公开(公告)日：2013-10-30
申请号：EP11850654.2
申请日：2011-12-21
申请人： Electronics and Telecommunications Research Institute
发明人： LEE, Ha Hyun , KIM, Hui Yong , LIM, Sung Chang , KIM, Jong Ho , LEE, Jin Ho , JEONG, Se Yoon , CHO, Suk Hee , CHOI, Jin Soo , KIM, Jin Woong , AHN, Chie Teuk
IPC分类号： H04N7/34
CPC分类号： H04N19/107 , H04N19/105 , H04N19/109 , H04N19/11 , H04N19/13 , H04N19/137 , H04N19/157 , H04N19/159 , H04N19/176 , H04N19/1887 , H04N19/196 , H04N19/50 , H04N19/52 , H04N19/521 , H04N19/593 , H04N19/61 , H04N19/70 , H04N19/91
摘要： An intra prediction method according to the present invention comprises the following steps: deriving neighboring prediction mode information from a left neighboring prediction mode and a top neighboring prediction mode; deriving an intra prediction mode for a target unit to be decoded, using the derived neighboring prediction mode information; and performing intra prediction for the target unit to be decoded, based on the intra prediction mode. According to the present invention, video encoding/decoding efficiency may be improved.

26. 发明公开

EP2557797A2 METHOD AND APPARATUS FOR PERFORMING INTRA-PREDICTION USING ADAPTIVE FILTER 有权
标题翻译：方法和设备进行帧内预测，使用自适应滤波器
公开(公告)号：EP2557797A2
公开(公告)日：2013-02-13
申请号：EP11766200.7
申请日：2011-04-11
申请人： Electronics And Telecommunications Research Institute
发明人： LEE, Jin Ho , KIM, Hui Yong , JEONG, Se Yoon , CHO, Suk Hee , LEE, Ha Hyun , KIM, Jong Ho , LIM, Sung Chang , CHOI, Jin Soo , KIM, Jin Woong , AHN, Chie Teuk
IPC分类号： H04N7/32
CPC分类号： H04N19/593 , H04N19/105 , H04N19/117 , H04N19/136 , H04N19/147 , H04N19/157 , H04N19/176 , H04N19/182 , H04N19/44 , H04N19/82
摘要： Provided is a method and apparatus for performing intra-prediction using an adaptive filter. The method for performing intra-prediction comprises the steps of: determining whether or not to apply a first filter for a reference pixel value on the basis of information of a neighboring block of a current block; applying the first filter for the reference pixel value when it is determined to apply the first filter; performing intra-prediction on the current block on the basis of the reference pixel value; determining whether or not to apply a second filter for a prediction value according to each prediction mode of the current block, which is predicted by the intra-prediction performance on the basis of the information of the neighboring block; and applying the second filter for the prediction value according to each prediction mode of the current block when it is determined to apply the second filter.

27. 发明公开

EP3941051A2 METHOD AND APPARATUS FOR ENCODING VIDEO, AND DECODING METHOD AND APPARATUS 有权转让
公开(公告)号：EP3941051A2
公开(公告)日：2022-01-19
申请号：EP21178773.4
申请日：2011-08-17
申请人： Electronics and Telecommunications Research Institute
发明人： LIM, Sung Chang , KIM, Hui Yong , JEONG, Se Yoon , CHO, Suk Hee , KIM, Jong Ho , LEE, Ha HYUN , LEE, Jin Ho , CHOI, Jin Soo , KIM, Jin Woong , AHN, Chie Teuk
IPC分类号： H04N19/119 , H04N19/124 , H04N19/14 , H04N19/176 , H04N19/196 , H04N19/33 , H04N19/463 , H04N19/70
摘要： The present invention relates to a video encoding method and apparatus for setting and encoding quantization parameters, and to a video decoding method and apparatus for decoding and setting quantization parameters in a video encoding and decoding apparatus which uses blocks having various sizes and depths as encoding and decoding units.

28. 发明公开

EP3829178A1 APPARATUS FOR PERFORMING INTRA-PREDICTION USING ADAPTIVE FILTER 审中-实审
公开(公告)号：EP3829178A1
公开(公告)日：2021-06-02
申请号：EP21150983.1
申请日：2011-04-11
申请人： Electronics and Telecommunications Research Institute
发明人： LEE, Jin Ho , KIM, Hui Yong , JEONG, Se Yoon , CHO, Suk Hee , LEE, Ha Hyun , KIM, Jong Ho , LIM, Sung Chang , CHOI, Jin Soo , KIM, Jin Woong , AHN, Chie Teuk
IPC分类号： H04N19/593 , H04N19/157 , H04N19/82 , H04N19/117 , H04N19/176 , H04N19/182 , H04N19/136
摘要： The present invention relates to a method of performing intra-prediction, including determining whether to apply a first filter to a reference pixel value based on information about surrounding blocks of a current block, if, as a result of the determination, the first filter is determined to be applied, applying the first filter to the reference pixel value, performing intra-prediction for the current block based on the reference pixel value, determining whether to apply a second filter to a prediction value for each prediction mode of the current block, predicted by performing the intra-prediction based on the information about the surrounding blocks, and if, as a result of the determination, the second filter is determined to be applied, applying the second filter to the prediction value for each prediction mode.

29. 发明公开

EP3823285A1 APPARATUS FOR PERFORMING INTRA-PREDICTION USING ADAPTIVE FILTER 审中-实审
公开(公告)号：EP3823285A1
公开(公告)日：2021-05-19
申请号：EP21150984.9
申请日：2011-04-11
申请人： Electronics and Telecommunications Research Institute
发明人： LEE, Jin Ho , KIM, Hui Yong , JEONG, Se Yoon , CHO, Suk Hee , LEE, Ha Hyun , KIM, Jong Ho , LIM, Sung Chang , CHOI, Jin Soo , KIM, Jin Woong , AHN, Chie Teuk
IPC分类号： H04N19/593 , H04N19/157 , H04N19/82 , H04N19/117 , H04N19/176 , H04N19/182 , H04N19/136
摘要： The present invention relates to a method of performing intra-prediction, including determining whether to apply a first filter to a reference pixel value based on information about surrounding blocks of a current block, if, as a result of the determination, the first filter is determined to be applied, applying the first filter to the reference pixel value, performing intra-prediction for the current block based on the reference pixel value, determining whether to apply a second filter to a prediction value for each prediction mode of the current block, predicted by performing the intra-prediction based on the information about the surrounding blocks, and if, as a result of the determination, the second filter is determined to be applied, applying the second filter to the prediction value for each prediction mode.

30. 发明公开

EP3591970A1 ADAPTIVE IMAGE DECODING METHODS 有权
公开(公告)号：EP3591970A1
公开(公告)日：2020-01-08
申请号：EP19194906.4
申请日：2010-12-16
申请人： Electronics and Telecommunications Research Institute
发明人： LIM, Sung Chang , KIM, Jong Ho , CHOI, Hae Chul , KIM, Hui Yong , LEE, Ha Hyun , LEE, Jin Ho , JEONG, Se Yoon , CHO, Suk Hee , CHOI, Jin Soo , HONG, Jin Woo , KIM, Jin Woong
IPC分类号： H04N19/105 , H04N19/11 , H04N19/157 , H04N19/176 , H04N19/46 , H04N19/503 , H04N19/593
摘要： Provided are an image encoding method and device. When carrying out image encoding for a block within a slice, at least one block in a restored block of the slice is set as a reference block. When this is done, the encoding parameters of the reference block are distinguished, and the block to be encoded is encoded adaptively based on the encoding parameters.

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