公开(公告)号：US09100646B2

公开(公告)日：2015-08-04

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： H04B1/66 ,  H04N7/12 ,  H04N11/02 ,  H04N11/04 ,  H04N19/105 ,  H04N19/119 ,  H04N19/61 ,  H04N19/593

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。

公开(公告)号：US08976863B2

公开(公告)日：2015-03-10

申请号：US13127004

申请日：2009-10-23

申请人： Hayoon Kim ,  Joohee Moon ,  Yunglyul Lee ,  Haekwang Kim ,  Byeungwoo Jeon ,  Dongwon Kim ,  Mincheol Park

发明人： Hayoon Kim ,  Joohee Moon ,  Yunglyul Lee ,  Haekwang Kim ,  Byeungwoo Jeon ,  Dongwon Kim ,  Mincheol Park

IPC分类号： H04N7/12 ,  H04N11/02 ,  H04N11/04 ,  H04N19/517 ,  H04N19/52 ,  H04N19/61

CPC分类号： H04N19/56 ,  H04N19/176 ,  H04N19/44 ,  H04N19/517 ,  H04N19/52 ,  H04N19/521 ,  H04N19/61

摘要： A method and an apparatus for encoding a motion vector, and a method and an apparatus for encoding/decoding an image using the same are disclosed. The apparatus includes: a prediction candidate selector for selecting one or more motion vector prediction candidates; a predicted motion vector determiner for determining a PMV among the one or more motion vector prediction candidates; and a differential motion vector encoder for calculating a differential motion vector encoder for calculating a DMV by subtracting the predicted motion vector having been determined, from the current motion vector, and encoding the d having been calculated. The apparatus encodes a motion vector by using the prediction motion vector which is more accurately predicted, and reduces an amount of bits required for encoding information of the predicted motion vector, thereby improving the compression efficiency.

摘要翻译： 公开了一种用于对运动矢量进行编码的方法和装置，以及使用其进行图像编码/解码的方法和装置。 该装置包括：预测候补选择器，用于选择一个或多个运动矢量预测候选; 用于确定所述一个或多个运动矢量预测候选中的PMV的预测运动矢量确定器; 以及差分运动矢量编码器，用于计算用于通过从当前运动矢量中减去已经确定的预测运动矢量并且对所计算的d进行编码来计算DMV来计算差分运动矢量编码器。 该装置通过使用更精确地预测的预测运动矢量对运动矢量进行编码，并且减少编码预测运动矢量的信息所需的比特量，从而提高压缩效率。

公开(公告)号：US20110211640A1

公开(公告)日：2011-09-01

申请号：US13127004

申请日：2009-10-23

申请人： Hayoon Kim ,  Joohee Moon ,  Yunglyul Lee ,  Haekwang Kim ,  Byeungwoo Jeon ,  Dongwon Kim ,  Mincheol Park

发明人： Hayoon Kim ,  Joohee Moon ,  Yunglyul Lee ,  Haekwang Kim ,  Byeungwoo Jeon ,  Dongwon Kim ,  Mincheol Park

IPC分类号： H04N7/50

CPC分类号： H04N19/56 ,  H04N19/176 ,  H04N19/44 ,  H04N19/517 ,  H04N19/52 ,  H04N19/521 ,  H04N19/61

摘要： A method and an apparatus for encoding a motion vector, and a method and an apparatus for encoding/decoding an image using the same are closed. The apparatus includes: a prediction candidate selector for selecting one or more motion vector prediction candidates; a predicted motion vector determiner for determining a PMV among the one or more motion vector prediction candidates; and a differential motion vector encoder for calculating a differential motion vector encoder for calculating a DMV by subtracting the predicted motion vector having been determined, from the current motion vector, and encoding the d having been calculated. The apparatus encodes a motion vector by using the prediction motion vector which is more accurately predicted, and reduces an amount of bits required for encoding information of the predicted motion vector, thereby improving the compression efficiency.

摘要翻译： 关闭用于编码运动矢量的方法和装置，以及使用其进行图像编码/解码的方法和装置。 该装置包括：预测候补选择器，用于选择一个或多个运动矢量预测候选; 用于确定所述一个或多个运动矢量预测候选中的PMV的预测运动矢量确定器; 以及差分运动矢量编码器，用于计算用于通过从当前运动矢量中减去已经确定的预测运动矢量并且对所计算的d进行编码来计算DMV来计算差分运动矢量编码器。 该装置通过使用更精确地预测的预测运动矢量对运动矢量进行编码，并且减少编码预测运动矢量的信息所需的比特量，从而提高压缩效率。

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。

公开(公告)号：US09426491B2

公开(公告)日：2016-08-23

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： H04N19/159 ,  H04N19/593

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。

公开(公告)号：US08811487B2

公开(公告)日：2014-08-19

申请号：US13121895

申请日：2009-09-28

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： H04N11/02 ,  H04N7/26

CPC分类号： H04N19/513 ,  H04N19/124 ,  H04N19/137 ,  H04N19/44 ,  H04N19/503 ,  H04N19/52 ,  H04N19/60 ,  H04N19/61

摘要： The present disclosure relates to a method and an apparatus for motion vector encoding/decoding through estimations of multiple motion vectors, and to a method and an apparatus for video encoding/decoding using the same. The disclosure provides a motion vector encoding apparatus including a motion vector estimator for estimating a plurality of motion vectors with estimating one of the plurality of motion vectors as a motion vector of a current block and estimating the remaining motion vectors by one or more predefined estimation criteria in agreement with a video decoding apparatus; and a motion information encoder for encoding motion information generated by using the plurality of motion vectors. According to the disclosure, estimations are enabled by using more accurate motion vectors while reducing the bit rate for encoding the motion vectors leading to an improvement of the compressing efficiency.

摘要翻译： 本公开涉及一种用于通过多个运动矢量的估计进行运动矢量编码/解码的方法和装置，以及涉及使用其进行视频编码/解码的方法和装置。 本公开提供一种运动矢量编码装置，其包括运动矢量估计器，用于通过估计多个运动矢量中的一个运动矢量作为当前块的运动矢量来估计多个运动矢量，并通过一个或多个预定义的估计准则来估计剩余的运动矢量 与视频解码装置一致; 以及运动信息编码器，用于对通过使用多个运动矢量生成的运动信息进行编码。 根据本公开，通过使用更精确的运动矢量来实现估计，同时减少用于编码运动矢量的比特率，导致压缩效率的提高。

公开(公告)号：US20110176608A1

公开(公告)日：2011-07-21

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

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。

公开(公告)号：US08897357B2

公开(公告)日：2014-11-25

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 ,  H04N19/14 ,  H04N19/51 ,  H04N19/117 ,  H04N19/176 ,  H04N19/61

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。

公开(公告)号：US08818114B2

公开(公告)日：2014-08-26

申请号：US13122123

申请日：2009-09-24

申请人： Hayoon Kim ,  Haekwang Kim ,  Joohee Moon ,  Yunglyul Lee ,  Byeungwoo Jeon

发明人： Hayoon Kim ,  Haekwang Kim ,  Joohee Moon ,  Yunglyul Lee ,  Byeungwoo Jeon

IPC分类号： G06K9/36 ,  H04N7/34

CPC分类号： H04N19/11 ,  H04N19/124 ,  H04N19/176 ,  H04N19/593 ,  H04N19/61

摘要： A method and an apparatus for image encoding/decoding are disclosed. The apparatus includes: a block decomposer for decomposing a current block into a plurality of sub-blocks; and an intra prediction encoder for performing an intra prediction encoding by referring to already encoded and decoded adjacent pixel information of each sub-block, based on an intra prediction mode equal to an intra prediction mode of the current block, thereby generating a bit stream for the current block. In image encoding and image decoding, when a current block to be encoded or decoded is predicted, the disclosed method and apparatus can improve the accuracy of the prediction, which can provide an image with a satisfactory reproduction quality by improved coding efficiency.

摘要翻译： 公开了一种用于图像编码/解码的方法和装置。 该装置包括：块分解器，用于将当前块分解成多个子块; 以及帧内预测编码器，其基于与当前块的帧内预测模式相等的帧内预测模式，通过参考已经编码和解码的每个子块的相邻像素信息来执行帧内预测编码，从而生成用于 当前块。 在图像编码和图像解码中，当预测要编码或解码的当前块时，所公开的方法和装置可以提高预测的精度，其可以通过改进的编码效率来提供令人满意的再现质量的图像。

公开(公告)号：US20120106633A1

公开(公告)日：2012-05-03

申请号：US13002276

申请日：2009-09-21

申请人： Hayoon Kim ,  Joohee Moon ,  Yunglyul Lee ,  Haekwang Kim ,  Byeungwoo Jeon ,  Kibaek Kim ,  Hyoungmee Park

发明人： Hayoon Kim ,  Joohee Moon ,  Yunglyul Lee ,  Haekwang Kim ,  Byeungwoo Jeon ,  Kibaek Kim ,  Hyoungmee Park

IPC分类号： H04N7/32

CPC分类号： H04N19/14 ,  H04N19/122 ,  H04N19/176 ,  H04N19/46 ,  H04N19/50 ,  H04N19/61

摘要： An apparatus and method for video encoding/decoding considering impulse signal are disclosed. The method for video encoding includes generating a predicted block from predicting a current block and subtracting the predicted block from the current block to generate an M×N residual block, and encoding an A×B residual block containing residual signals of an impulsive component in the M×N residual block to generate a bitstream. The apparatus and the method of the present disclosure improve coding efficiency by efficiently encoding or decoding the residual signals of the impulse component in encoding or decoding videos.

摘要翻译： 公开了考虑脉冲信号的视频编码/解码的装置和方法。 视频编码方法包括从预测当前块中生成预测块并从当前块中减去预测块以生成M×N个残留块，并对包含脉冲成分的残留信号的A×B残差块进行编码 M×N个残差块来生成比特流。 本公开的装置和方法通过在编码或解码视频中有效地编码或解码脉冲分量的残差信号来提高编码效率。