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81. 发明授权

US09137546B2 Method and apparatus for encoding/decoding motion vectors of multiple reference pictures, and apparatus and method for image encoding/decoding using the same 有权
标题翻译：用于编码/解码多个参考图片的运动矢量的方法和装置，以及用于使用其进行图像编码/解码的装置和方法
公开(公告)号：US09137546B2
公开(公告)日：2015-09-15
申请号：US13124070
申请日：2009-10-07
申请人： Kwanghyun Won , Hayoon Kim , Byeungwoo Jeon , Joohee Moon , Yunglyul Lee , Haekwang Kim , Jungyoup Yang
发明人： Kwanghyun Won , Hayoon Kim , Byeungwoo Jeon , Joohee Moon , Yunglyul Lee , Haekwang Kim , Jungyoup Yang
IPC分类号： H04N19/61 , H04N19/573 , H04N19/52 , H04N19/567 , H04N19/46
CPC分类号： H04N19/573 , H04N19/124 , H04N19/159 , H04N19/176 , H04N19/46 , H04N19/52 , H04N19/567 , H04N19/61
摘要： A motion vector encoding apparatus includes: an optimum motion vector determiner for determining optimum motion vectors for multiple reference pictures with respect to a current motion vector of a current block; a motion vector encoding mode determiner for determining a motion vector encoding mode according to whether a motion vector decoding apparatus can predict the optimum motion vectors for the multiple reference pictures; and a motion vector encoder for generating and encoding motion information on the multiple reference pictures by using the optimum motion vectors for the multiple reference pictures or preset default motion vectors for the multiple reference pictures according to the motion vector encoding mode, and generating motion vector encoded data by encoding the motion vector encoding mode. The motion vector encoding apparatus can more accurately predict a predicted motion vector of the current motion vector for multiple reference pictures, so as to improve the compression efficiency.
摘要翻译：运动矢量编码装置包括：最佳运动矢量确定器，用于相对于当前块的当前运动矢量确定用于多个参考图像的最佳运动矢量; 运动矢量编码模式确定器，用于根据运动矢量解码装置是否可以预测多个参考图像的最佳运动矢量来确定运动矢量编码模式; 以及运动矢量编码器，用于根据运动矢量编码模式，通过使用多个参考图像的多个参考图像的最佳运动矢量或多个参考图像的预设默认运动矢量来生成和编码关于多个参考图像的运动信息，并且生成运动矢量编码数据通过编码运动矢量编码模式。运动矢量编码装置可以更准确地预测多个参考图像的当前运动矢量的预测运动矢量，以提高压缩效率。

82. 发明授权

US09070179B2 Method and apparatus for selectively encoding/decoding syntax elements, and apparatus and method for image encoding/decoding using same 有权
标题翻译：用于选择性地对语法元素进行编码/解码的方法和装置，以及使用其进行图像编码/解码的装置和方法
公开(公告)号：US09070179B2
公开(公告)日：2015-06-30
申请号：US13190265
申请日：2011-07-25
申请人： Sunyeon Kim , Byeungwoo Jeon , Jungyoup Yang , Kwanghyun Won , Joohee Moon , Yunglyul Lee , Haekwang Kim
发明人： Sunyeon Kim , Byeungwoo Jeon , Jungyoup Yang , Kwanghyun Won , Joohee Moon , Yunglyul Lee , Haekwang Kim
IPC分类号： G06K9/36 , G06T9/00 , H04N19/52 , H04N19/51 , H04N19/103 , H04N19/107
CPC分类号： H04N19/521 , G06T9/00 , H04N19/103 , H04N19/107 , H04N19/124 , H04N19/139 , H04N19/167 , H04N19/176 , H04N19/182 , H04N19/51 , H04N19/52
摘要： An apparatus and a method for motion vector encoding/decoding, and to an apparatus and a method for image encoding/decoding using same are provided. The apparatus includes a selector of optimal predicted motion vector PMV from candidate motion vector set of current block; a determiner of motion vector prediction mode of current block with selected motion vector prediction mode from multiple motion vector prediction modes by decision criterion prearranged with motion vector decoding apparatus; and an encoder for determining, by determined motion vector prediction mode, optimal PMV or default predicted motion vector into PMV for current motion vector, encoding differential vector between the current block and PMV, and selectively encoding/outputting determined motion vector prediction mode as encoded motion vector prediction mode by the determined motion vector prediction mode. Bit quantity in encoding a motion vector is reduced improving encoding efficiency and preventing decoder crash even at encoding error, improving decoder.
摘要翻译：提供了一种用于运动矢量编码/解码的装置和方法，以及一种用于使用其进行图像编码/解码的装置和方法。该装置包括来自当前块的候选运动矢量集合的最佳预测运动矢量PMV的选择器; 通过用运动矢量解码装置预先布置的决策标准，从多个运动矢量预测模式中选择运动矢量预测模式的当前块的运动矢量预测模式的确定器; 以及编码器，用于通过确定的运动矢量预测模式将当前运动矢量的最佳PMV或默认预测运动矢量确定为PMV，对当前块和PMV之间的差分矢量进行编码，并且将所确定的运动矢量预测模式选择性地编码/输出为编码运动矢量预测模式通过确定的运动矢量预测模式。编码运动矢量中的位数降低，提高了编码效率，甚至在编码错误时也防止了解码器崩溃，从而改善了解码器。

83. 发明授权

US08976862B2 Intra prediction method and apparatus, and image encoding/decoding method and apparatus using same 有权
标题翻译：帧内预测方法和装置，以及使用其的图像编码/解码方法和装置
公开(公告)号：US08976862B2
公开(公告)日：2015-03-10
申请号：US13001611
申请日：2009-06-17
申请人： Hayoon Kim , Yunglyul Lee , Joohee Moon , Haekwang Kim , Byeungwoo Jeon , Hyemin Jun , Daeyeon Kim
发明人： Hayoon Kim , Yunglyul Lee , Joohee Moon , Haekwang Kim , Byeungwoo Jeon , Hyemin Jun , Daeyeon Kim
IPC分类号： H04N7/12 , H04N19/182
CPC分类号： H04N19/593 , H04N19/11 , H04N19/124 , H04N19/136 , H04N19/167 , H04N19/176 , H04N19/182 , H04N19/50
摘要： The present disclosure relates to an intra prediction method and apparatus and an image encoding/decoding method and apparatus using the same. The disclosure provides the intra prediction apparatus that predicts the pixel values of respective pixels in a current block by weight-averaging the pixel values of one or more adjacent pixels in neighboring blocks to the current block according to the distances between each pixel in the current block and the adjacent pixel(s). According to the disclosure, the current block to be encoded can be predicted more accurately so that the encoding efficiency is improved by reducing the difference between the original block and the predicted block, and thereby video compression efficiency can be improved.
摘要翻译：本发明涉及一种帧内预测方法及装置及其图像编码/解码方法及装置。本公开提供了帧内预测装置，其通过根据当前块中的每个像素之间的距离对当前块中的各个像素的像素值进行加权平均，来估计相邻块中的一个或多个相邻像素与当前块的像素值和相邻像素。根据本公开，可以更准确地预测当前要编码的块，从而通过减少原始块与预测块之间的差异来提高编码效率，从而可以提高视频压缩效率。

84. 发明授权

US08711935B2 Apparatus and method for image encoding/decoding using predictability of intra-prediction mode 有权
标题翻译：使用帧内预测模式的可预测性进行图像编码/解码的装置和方法
公开(公告)号：US08711935B2
公开(公告)日：2014-04-29
申请号：US13062840
申请日：2009-09-15
申请人： Hayoon Kim , Byeungwoo Jeon , Joohee Moon , Yunglyul Lee , Haekwang Kim , Jungyoup Yang , Kwanghyun Won
发明人： Hayoon Kim , Byeungwoo Jeon , Joohee Moon , Yunglyul Lee , Haekwang Kim , Jungyoup Yang , Kwanghyun Won
IPC分类号： H04N7/12 , H04N11/02 , H04N11/04 , G06K9/46 , G06K9/36
CPC分类号： H04N19/11 , H04N19/147 , H04N19/16 , H04N19/176 , H04N19/196 , H04N19/44 , H04N19/46 , H04N19/593 , H04N19/61
摘要： An apparatus and a method for video encoding/decoding using predictability of an intra-prediction mode are disclosed. The apparatus for encoding a video of the present disclosure includes: an intra-prediction mode determiner for determining an encoder prediction mode which is an intra-prediction mode of a current block of the video; an encoder for encoding a residual block generated by subtracting, from the current block, a predicted block generated by predicting the current block according to the encoder prediction mode; a mode information generator for generating mode information according to whether or not a video decoding apparatus is able to predict the encoder prediction mode; and an encoded data generator for generating encoded data including the encoded residual block and the mode information. The present disclosure can enhance compression in video encoding/decoding by using intra-prediction to predict the video with a minimum necessary bit rate.
摘要翻译：公开了一种使用帧内预测模式的可预测性进行视频编码/解码的装置和方法。用于对本公开的视频进行编码的装置包括：帧内预测模式确定器，用于确定作为视频的当前块的帧内预测模式的编码器预测模式; 编码器，用于对通过从当前块中减去根据编码器预测模式预测当前块而产生的预测块而产生的残差块; 模式信息生成器，用于根据视频解码装置是否能够预测编码器预测模式来生成模式信息; 以及编码数据生成器，用于生成包括编码的残差块和模式信息的编码数据。本公开可以通过使用帧内预测来以最小必需比特率预测视频来增强视频编码/解码中的压缩。

85. 发明申请

US20110200099A1 IMAGE ENCODING/DECODING METHOD AND DEVICE USING COEFFICIENTS OF ADAPTIVE INTERPOLATION FILTER 有权
标题翻译：图像编码/解码方法和使用自适应滤波器的系数的设备
公开(公告)号：US20110200099A1
公开(公告)日：2011-08-18
申请号：US13125956
申请日：2009-10-16
申请人： Hayoon Kim , Donghoon Han , Kioh Kim , Daeyeon Kim , Yunglyul Lee , Joohee Moon , Haekwang Kim , Byeungwoo Jeon
发明人： Hayoon Kim , Donghoon Han , Kioh Kim , Daeyeon Kim , Yunglyul Lee , Joohee Moon , Haekwang Kim , Byeungwoo Jeon
IPC分类号： H04N7/26
CPC分类号： H04N19/117 , H04N19/139 , H04N19/14 , H04N19/172 , H04N19/176 , H04N19/523 , H04N19/61
摘要： An image encoding/decoding method and apparatus using coefficients of an adaptive interpolation filter are disclosed including: a coefficient calculator for calculating adaptive interpolation filter coefficient of a current frame; an image encoder for interpolating reference frames using the adaptive interpolation filter coefficient of the current frame and encoding the current frame using the interpolated reference frames; a filter flag encoder for generating and encoding a coefficient-inserted flag or coefficient non-inserted flag as a filter flag according to the adaptive interpolation filter coefficient of the current frame; a coefficient encoder for encoding the adaptive interpolation filter coefficient of the current frame when the filter flag is a coefficient-inserted flag; and a bit stream generator for generating and outputting a bit stream, which includes the encoded current frame and encoded filter flag, and further includes encoded adaptive interpolation filter coefficient of the current frame when the filter flag is the coefficient-inserted flag.
摘要翻译：公开了一种使用自适应内插滤波器的系数的图像编码/解码方法和装置，包括：用于计算当前帧的自适应内插滤波器系数的系数计算器; 图像编码器，用于使用当前帧的自适应内插滤波器系数内插参考帧，并使用内插的参考帧对当前帧进行编码; 滤波器标志编码器，用于根据当前帧的自适应内插滤波器系数产生和编码系数插入标志或系数未插入标志作为滤波器标志; 系数编码器，用于当滤波器标志是系数插入标志时对当前帧的自适应内插滤波器系数进行编码; 以及比特流发生器，用于产生和输出包括编码的当前帧和编码的滤波器标志的比特流，并且当滤波器标志是系数插入标志时，还包括当前帧的编码的自适应内插滤波器系数。

86. 发明申请

US20110176607A1 IMAGE ENCODING/DECODING METHOD AND APPARATUS USING BLOCK TRANSFORMATION 有权
标题翻译：图像编码/解码方法和使用块变换的装置
公开(公告)号：US20110176607A1
公开(公告)日：2011-07-21
申请号：US13000977
申请日：2009-06-16
申请人： Hayoon Kim , Yunglyul Lee , Joohee Moon , Haekwang Kim , Byeungwoo Jeon , Kihun Han
发明人： Hayoon Kim , Yunglyul Lee , Joohee Moon , Haekwang Kim , Byeungwoo Jeon , Kihun Han
IPC分类号： H04N7/12
CPC分类号： H04N19/593
摘要： Video encoding/decoding method and apparatus using a block transformation are disclosed. The apparatus encodes the video through predicting each pixel in a current block of the video by using one or more adjacent pixels, which are encoded prior to encoding the current block and have the closest proximity to the pixels respectively in a predetermined prediction direction, and wherein the current block is sized L×M with L being unequal to M. It has become possible to predict the pixels in the block starting from closest one of the pixels in the prediction direction in order to provide more accurate block predictions and then raise the compression efficiency that leaps to more efficient video encoding/decoding performance.
摘要翻译：公开了使用块变换的视频编码/解码方法和装置。该装置通过使用一个或多个相邻像素预测视频的当前块中的每个像素来对视频进行编码，所述相邻像素在编码当前块之前被编码并且在预定的预测方向上分别与像素最接近，并且其中当前块的大小为L×M，其中L不等于M.可以从预测方向上的最近一个像素开始预测块中的像素，以便提供更准确的块预测，然后提高压缩效率跃进到更高效的视频编码/解码性能。

87. 发明申请

US20110158315A1 DEVICE AND METHOD FOR IMAGE ENCODING/DECODING USING PREDICTION DIRECTION CONVERSION AND SELECTIVE ENCODING 有权
标题翻译：使用预测方向转换和选择性编码的图像编码/解码的设备和方法
公开(公告)号：US20110158315A1
公开(公告)日：2011-06-30
申请号：US13002259
申请日：2009-08-31
申请人： Hayoon Kim , Joohee Moon , Yunglyul Lee , Haekwang Kim , Byeungwoo Jeon , Mincheol Park
发明人： Hayoon Kim , Joohee Moon , Yunglyul Lee , Haekwang Kim , Byeungwoo Jeon , Mincheol Park
IPC分类号： H04N7/26
CPC分类号： H04N19/593 , H04N19/105 , H04N19/119 , H04N19/124 , H04N19/129 , H04N19/176 , H04N19/184 , H04N19/503 , H04N19/61
摘要： The present disclosure relates to an apparatus and method for encoding/decoding videos using prediction direction change and selective encoding. The present disclosure provides a video encoding apparatus that encodes the current block of a video, comprising a rectangle encoder for dividing and then successively encoding the current block at input into rectangular block units to output a rectangularly encoded bitstream; a square encoder for encoding the current block at input in square block units to output a squarely encoded bitstream; and an encoding selector for calculating the encoding costs of the rectangularly encoded bitstream and the squarely encoded bitstream so as to output the bitstream with a minimum encoding cost. According to the present disclosure, the prediction accuracy may be increased when encoding or decoding videos so that video encoding efficiency can be improved.
摘要翻译：本公开涉及一种使用预测方向改变和选择性编码对视频进行编码/解码的装置和方法。本公开提供了一种对视频的当前块进行编码的视频编码装置，包括矩形编码器，用于将输入中的当前块分割，然后连续地编码为矩形块单位，以输出矩形编码比特流; 一个平方编码器，用于以平方块单位对输入端的当前块进行编码，以输出正交编码的比特流; 以及编码选择器，用于计算矩形编码比特流和正交编码比特流的编码成本，以便以最小编码成本输出比特流。根据本公开，当对视频进行编码或解码时可以提高预测精度，从而可以提高视频编码效率。

88. 发明授权

US09143787B2 Method and apparatus for determining intra prediction mode, and method and apparatus for encoding/decoding video using same 有权
标题翻译：用于确定帧内预测模式的方法和装置，以及使用其编码/解码视频的方法和装置
公开(公告)号：US09143787B2
公开(公告)日：2015-09-22
申请号：US12937252
申请日：2008-12-18
申请人： Hayoon Kim , Yunglyul Lee , Joohee Moon , Haekwang Kim , Byeungwoo Jeon , Dongkyun Kim , Daeyeon Kim , Kihun Han
发明人： Hayoon Kim , Yunglyul Lee , Joohee Moon , Haekwang Kim , Byeungwoo Jeon , Dongkyun Kim , Daeyeon Kim , Kihun Han
IPC分类号： H04N7/12 , H04N19/11 , H04N19/46 , H04N19/61 , H04N19/593
CPC分类号： H04N19/11 , H04N19/46 , H04N19/593 , H04N19/61
摘要： Disclosed are a method and apparatus for determining an intra prediction mode, and for encoding/decoding video using the same. An apparatus for determining an intra prediction mode is provided, the apparatus comprising a calculator to calculate a variation of adjacent pixels to a current block; a threshold setter to set a threshold to evaluate the pixel variation; a comparator to compare between the variation and the threshold; a first prediction mode determination unit to determine a single predetermined prediction mode to be an optimal prediction mode if the variation is below the threshold; and a second prediction mode determination unit to determine a particular prediction mode from a plurality of prediction modes to be the optimal prediction mode through a rate-distortion optimization by performing intra predictions in the plurality of prediction modes if the variation is greater than or equal to the threshold.
摘要翻译：公开了一种用于确定帧内预测模式并且使用其进行视频编码/解码的方法和装置。提供了一种用于确定帧内预测模式的装置，该装置包括：计算器，用于计算与当前块相邻的像素的变化; 阈值设置器，用于设置阈值以评估像素变化; 比较器，用于比较变化和阈值; 第一预测模式确定单元，如果所述变化低于所述阈值，则确定单个预定预测模式为最佳预测模式; 以及第二预测模式确定单元，用于通过在多个预测模式中进行帧内预测，通过速率失真最优化从多个预测模式中确定特定预测模式，作为最佳预测模式，如果变化大于或等于门槛。

89. 发明申请

US20120106631A1 IMAGE ENCODING/DECODING APPARATUS AND METHOD USING MULTI-DIMENSIONAL INTEGER TRANSFORM 有权
标题翻译：图像编码/解码装置和使用多维整数变换的方法
公开(公告)号：US20120106631A1
公开(公告)日：2012-05-03
申请号：US13380725
申请日：2010-06-22
申请人： Sunyeon Kim , Joohee Moon , Yunglyul Lee , Haekwang Kim , Byeungwoo Jeon , Mincheol Park , Dongwon Kim
发明人： Sunyeon Kim , Joohee Moon , Yunglyul Lee , Haekwang Kim , Byeungwoo Jeon , Mincheol Park , Dongwon Kim
IPC分类号： H04N7/28
CPC分类号： H04N19/61 , H04N19/122 , H04N19/147
摘要： The present disclosure relates to a video encoding/decoding apparatus and method using a multi-dimensional integer transform. The video encoding method of the present disclosure includes: decomposing subblocks in units of a rectangular block and successively encoding rectangular block units to output a rectangularly encoded bitstream of each subblock; encoding the subblocks in units of a square block to output a squarely encoded bitstream of each subblock; calculating an encoding cost involving at least one rectangularly encoded bitstream; calculating an encoding cost not involving the rectangularly encoded bitstream; and on the basis of the calculations, using one or more of the squarely encoded bitstream and the rectangularly encoded bitstream to generate and output the bitstream of the macroblock. According to the disclosure, since the coding scheme for encoding or decoding a video with a higher efficiency is selectively determined, the prediction accuracy can increase and thereby improve the video encoding efficiency.
摘要翻译：本公开涉及使用多维整数变换的视频编码/解码装置和方法。本公开的视频编码方法包括：以矩形块为单位分解子块，并连续编码矩形块单位，以输出每个子块的矩形编码比特流; 以方块为单位对子块进行编码，以输出每个子块的正交编码比特流; 计算涉及至少一个矩形编码比特流的编码成本; 计算不涉及矩形编码比特流的编码成本; 并且在计算的基础上，使用一个或多个正交编码比特流和矩形编码的比特流来生成并输出该宏块的比特流。根据本公开，由于选择性地确定用于编码或解码具有更高效率的视频的编码方案，所以可以增加预测精度，从而提高视频编码效率。

90. 发明申请

US20110243229A1 APPARATUS AND METHOD FOR IMAGE ENCODING/DECODING USING PREDICTABILITY OF INTRA-PREDICTION MODE 有权
标题翻译：使用内部预测模式的可预测性进行图像编码/解码的装置和方法
公开(公告)号：US20110243229A1
公开(公告)日：2011-10-06
申请号：US13062840
申请日：2009-09-15
申请人： Hayoon Kim , Byeungwoo Jeon , Joohee Moon , Yunglyul Lee , Haekwang Kim , Jungyoup Yang , Kwanghyun Won
发明人： Hayoon Kim , Byeungwoo Jeon , Joohee Moon , Yunglyul Lee , Haekwang Kim , Jungyoup Yang , Kwanghyun Won
IPC分类号： H04N7/32
CPC分类号： H04N19/11 , H04N19/147 , H04N19/16 , H04N19/176 , H04N19/196 , H04N19/44 , H04N19/46 , H04N19/593 , H04N19/61
摘要： An apparatus and a method for video encoding/decoding using predictability of an intra-prediction mode are disclosed. The apparatus for encoding a video of the present disclosure includes: an intra-prediction mode determiner for determining an encoder prediction mode which is an intra-prediction mode of a current block of the video; an encoder for encoding a residual block generated by subtracting, from the current block, a predicted block generated by predicting the current block according to the encoder prediction mode; a mode information generator for generating mode information according to whether or not a video decoding apparatus is able to predict the encoder prediction mode; and an encoded data generator for generating encoded data including the encoded residual block and the mode information. The present disclosure can enhance compression in video encoding/decoding by using intra-prediction to predict the video with a minimum necessary bit rate.
摘要翻译：公开了一种使用帧内预测模式的可预测性进行视频编码/解码的装置和方法。用于对本公开的视频进行编码的装置包括：帧内预测模式确定器，用于确定作为视频的当前块的帧内预测模式的编码器预测模式; 编码器，用于对通过从当前块中减去根据编码器预测模式预测当前块而产生的预测块而产生的残差块; 模式信息生成器，用于根据视频解码装置是否能够预测编码器预测模式来生成模式信息; 以及编码数据生成器，用于生成包括编码的残差块和模式信息的编码数据。本公开可以通过使用帧内预测来以最小必需比特率预测视频来增强视频编码/解码中的压缩。

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