公开(公告)号：US11509894B2

公开(公告)日：2022-11-22

申请号：US13811581

申请日：2011-07-05

申请人： Jinhan Song ,  Jeongyeon Lim ,  Haekwang Kim ,  Joohee Moon ,  Yunglyul Lee ,  Jongki Han ,  Byeungwoo Jeon

发明人： Jinhan Song ,  Jeongyeon Lim ,  Haekwang Kim ,  Joohee Moon ,  Yunglyul Lee ,  Jongki Han ,  Byeungwoo Jeon

IPC分类号： H04N19/63 ,  H04N19/70 ,  H04N19/91 ,  H04N19/119 ,  H04N19/124 ,  H04N19/129 ,  H04N19/182 ,  H04N19/436 ,  H04N19/625

摘要： The present disclosure provides a method and apparatus for subband-coding a frequency conversion unit and a video encoding/decoding method a video encoding/decoding apparatus using the same. The method and the apparatus for subband-coding the frequency conversion unit include generating an encoding stream by splitting the frequency conversion unit into one or more frequency domains, generating frequency domain encoding information according to whether there is a non-zero frequency coefficient in each frequency domain, scanning the frequency coefficient of each frequency domain to generate a frequency domain frequency coefficient stream, and binarizing and encoding the frequency domain encoding information and the scanned frequency domain frequency coefficient stream.

公开(公告)号：US09602813B2

公开(公告)日：2017-03-21

申请号：US13817408

申请日：2011-08-18

申请人： Jinhan Song ,  Jeongyeon Lim ,  Joohee Moon ,  Yunglyul Lee ,  Haekwang Kim ,  Byeungwoo Jeon ,  Jongki Han ,  Juock Lee ,  Hyoungmee Park

发明人： Jinhan Song ,  Jeongyeon Lim ,  Joohee Moon ,  Yunglyul Lee ,  Haekwang Kim ,  Byeungwoo Jeon ,  Jongki Han ,  Juock Lee ,  Hyoungmee Park

IPC分类号： H04N19/105 ,  H04N19/533 ,  H04N19/176 ,  H04N19/157

CPC分类号： H04N19/533 ,  H04N19/105 ,  H04N19/157 ,  H04N19/176

摘要： The present disclosure provides an image encoding/decoding apparatus and method, and a reference picture indexing apparatus and method. The reference picture indexing apparatus includes: a candidate reference picture setting unit for setting candidate reference pictures; a priority order determining unit for determining a priority order of the candidate reference pictures set by the candidate reference picture setting unit, according to a current block to be encoded; and a reference picture indexing unit for adaptively indexing a reference picture according to the current block based on the priority order determined by the priority order determining unit.

公开(公告)号：US09571851B2

公开(公告)日：2017-02-14

申请号：US13497928

申请日：2010-09-24

申请人： Sunyeon Kim ,  Jeongyeon Lim ,  Yunglyul Lee ,  Joohee Moon ,  Haekwang Kim ,  Byeungwoo Jeon ,  Jongki Han ,  Jeonghoon Seo ,  Daeyeon Kim ,  Sungwook Hong ,  Jaehoon Choi ,  Gyumin Lee

发明人： Sunyeon Kim ,  Jeongyeon Lim ,  Yunglyul Lee ,  Joohee Moon ,  Haekwang Kim ,  Byeungwoo Jeon ,  Jongki Han ,  Jeonghoon Seo ,  Daeyeon Kim ,  Sungwook Hong ,  Jaehoon Choi ,  Gyumin Lee

IPC分类号： H04N7/12 ,  H04N11/02 ,  H04N11/04 ,  H04N19/51 ,  H04N19/105 ,  H04N19/176 ,  H04N19/147

CPC分类号： H04N19/51 ,  H04N19/105 ,  H04N19/147 ,  H04N19/176

摘要： The present disclosure relates to an inter prediction method and apparatus using adjacent pixels, and a video encoding method and apparatus using the same. The inter prediction method for a predictive encoding includes: determining a current motion vector by estimating a motion of a current block; generating a reference block indicated by the current motion vector; calculating a motion compensation coefficient or an average compensation coefficient by using pixels neighboring the current block and pixels neighboring reference block; generating a changed reference block reflecting the motion compensation coefficient or the average compensation coefficient in the reference block; and determining the changed reference block as a predicted block of the current block. The present disclosure reduces a difference between an actual block and a predicted block by more accurately predicting the block to be encoded, thereby improving the compression efficiency.

摘要翻译： 本公开涉及一种使用相邻像素的帧间预测方法和装置，以及使用其的视频编码方法和装置。 用于预测编码的帧间预测方法包括：通过估计当前块的运动来确定当前运动矢量; 产生由当前运动矢量指示的参考块; 通过使用与当前块相邻的像素和相邻参考块的像素来计算运动补偿系数或平均补偿系数; 产生反映参考块中的运动补偿系数或平均补偿系数的改变的参考块; 以及将所述改变的参考块确定为当前块的预测块。 本公开通过更准确地预测要编码的块来减少实际块和预测块之间的差异，从而提高压缩效率。

公开(公告)号：US09420293B2

公开(公告)日：2016-08-16

申请号：US13698499

申请日：2011-05-13

申请人： Jinhan Song ,  Jeongyeon Lim ,  Jongki Han ,  Yunglyul Lee ,  Joohee Moon ,  Haekwang Kim ,  Byeungwoo Jeon ,  Min Jae Kim ,  Hyoungmee Park ,  Chanwon Seo

发明人： Jinhan Song ,  Jeongyeon Lim ,  Jongki Han ,  Yunglyul Lee ,  Joohee Moon ,  Haekwang Kim ,  Byeungwoo Jeon ,  Min Jae Kim ,  Hyoungmee Park ,  Chanwon Seo

IPC分类号： H04N19/176 ,  H04N19/61 ,  H04N19/11 ,  H04N19/109

CPC分类号： H04N19/109 ,  H04N19/11 ,  H04N19/176 ,  H04N19/61

摘要： A video encoding/decoding apparatus includes: a video encoder for dividing coding unit block into combination of subblocks of codable size, determining combination of inter blocks and intra blocks with respect to each subblock, determining encoding order of intra encoding blocks within coding unit considering referencing possibility of peripheral pixel values of current block to be intra-prediction encoded, bi-directional intra prediction encoding the current block in determined encoding order, and transmitting encoding mode/size information of subblocks after locating encoding mode/size information in front of a syntax of the coding unit; and a video decoder for restoring encoding mode/size information of subblocks within the coding unit by decoding encoded data, reconstructing inter prediction encoded blocks, based on restored encoding mode information, and determining decoding order of intra prediction mode blocks according to encoding mode/size information of each subblock within coding unit, and conditions on referencing possibility of peripheral blocks of coding unit.

摘要翻译： 视频编码/解码装置包括：视频编码器，用于将编码单元块划分为可编码大小的子块的组合，确定相对于每个子块的帧间块和帧块的组合，考虑参考的编码单元内的帧内编码块的编码顺序 将当前块的周边像素值的可能性进行帧内预测编码，以确定的编码顺序编码当前块的双向帧内预测，​​以及在定位编码模式/大小信息之前的语法之前发送子块的编码模式/尺寸信息 的编码单元; 以及视频解码器，用于通过解码编码数据来恢复编码单元内的子块的编码模式/尺寸信息，根据恢复的编码模式信息重建帧间预测编码块，并根据编码模式/尺寸确定帧内预测模式块的解码顺序 编码单元内的每个子块的信息，以及参考编码单元的外围块的可能性的条件。

公开(公告)号：US09264716B2

公开(公告)日：2016-02-16

申请号：US13499375

申请日：2010-10-01

申请人： Sunyeon Kim ,  Jeongyeon Lim ,  Joohee Moon ,  Yunglyul Lee ,  Haekwang Kim ,  Byeungwoo Jeon ,  Hyoungmee Park ,  Mincheol Park ,  Dongwon Kim ,  Kibaek Kim ,  Juock Lee

发明人： Sunyeon Kim ,  Jeongyeon Lim ,  Joohee Moon ,  Yunglyul Lee ,  Haekwang Kim ,  Byeungwoo Jeon ,  Hyoungmee Park ,  Mincheol Park ,  Dongwon Kim ,  Kibaek Kim ,  Juock Lee

IPC分类号： H04N7/32 ,  H04N19/105 ,  H04N19/122 ,  H04N19/59 ,  H04N19/179 ,  H04N19/119 ,  H04N19/96 ,  H04N19/463 ,  H04N19/44 ,  H04N19/159

CPC分类号： H04N19/105 ,  H04N19/119 ,  H04N19/122 ,  H04N19/159 ,  H04N19/176 ,  H04N19/179 ,  H04N19/44 ,  H04N19/463 ,  H04N19/59 ,  H04N19/96

摘要： The present invention relates to a method and an apparatus for encoding/decoding a video using a split layer. The video encoding/decoding method generates an encoded image data by encoding a current block partitioned into a plurality of subblocks, generates an encoded partition information data by encoding partition information of the current block, generates a bitstream including the encoded image data and the encoded partition information data, and then reconstructs the video image from the generated bitstream. According to the present disclosure, when encoding a high resolution video with variable sized blocks, various block shapes may be used for the encoding, and efficient encoding and decoding of the block partition information can improve the compression efficiency.

摘要翻译： 本发明涉及使用分割层对视频进行编码/解码的方法和装置。 视频编码/解码方法通过对分割成多个子块的当前块进行编码来生成编码图像数据，通过对当前块的分割信息进行编码来生成编码分区信息数据，生成包含编码图像数据和编码分区的比特流 信息数据，然后从生成的比特流重构视频图像。 根据本公开，当对具有可变大小块的高分辨率视频进行编码时，可以将各种块形状用于编码，并且块分区信息的有效编码和解码可以提高压缩效率。

公开(公告)号：US09137545B2

公开(公告)日：2015-09-15

申请号：US13503169

申请日：2010-10-21

申请人： Jinhan Song ,  Sunyeon Kim ,  Jeongyeon Lim ,  Joohee Moon ,  Yunglyul Lee ,  Haekwang Kim ,  Byeungwoo Jeon ,  Jongki Han ,  Hyoungmee Park ,  Mincheol Park ,  Dongwon Kim ,  Kibaek Kim ,  Juock Lee

发明人： Jinhan Song ,  Sunyeon Kim ,  Jeongyeon Lim ,  Joohee Moon ,  Yunglyul Lee ,  Haekwang Kim ,  Byeungwoo Jeon ,  Jongki Han ,  Hyoungmee Park ,  Mincheol Park ,  Dongwon Kim ,  Kibaek Kim ,  Juock Lee

IPC分类号： H04N19/55 ,  H04N19/176 ,  H04N19/46 ,  H04N19/61 ,  H04N19/109

CPC分类号： H04N19/167 ,  H04N19/107 ,  H04N19/109 ,  H04N19/124 ,  H04N19/172 ,  H04N19/176 ,  H04N19/18 ,  H04N19/46 ,  H04N19/55 ,  H04N19/61

摘要： The present disclosure provides a video encoding/decoding apparatus and method. According to one embodiment, the video encoding and decoding apparatus includes: an image encoder for reducing horizontal and vertical sizes of a variable macro block into a set size or by a set ratio with the variable macro block reset in a smaller size than the current size, if the variable macro block for the current encoding is not inside an input image, and predictive encoding based on the reset variable macro block; and an image decoder for decoding by reducing the size of the variable macro block for the current decoding into the set size or by set ratio with the variable macro block reset in a smaller size than the current size, if the variable macro block of the current decoding target is not inside an input image.

摘要翻译： 本公开提供了一种视频编码/解码装置和方法。 根据一个实施例，视频编码和解码装置包括：图像编码器，用于将可变宏块的水平和垂直尺寸减小到与当前大小相比较小的可变宏块复位的设定大小或设定比率 如果当前编码的可变宏块不在输入图像内，并且基于复位变量宏块的预测编码; 以及图像解码器，用于通过将当前解码的可变宏块的大小减小到与当前大小相比尺寸更小的可变宏块复位的设置大小或设置比例来解码，如果当前的可变宏块 解码目标不在输入图像内。

公开(公告)号：US09124901B2

公开(公告)日：2015-09-01

申请号：US13497755

申请日：2010-09-03

申请人： Sunyeon Kim ,  Jeongyeon Lim ,  Haekwang Kim ,  Byeungwoo Jeon ,  Joohee Moon ,  Yunglyul Lee ,  Jongki Han

发明人： Sunyeon Kim ,  Jeongyeon Lim ,  Haekwang Kim ,  Byeungwoo Jeon ,  Joohee Moon ,  Yunglyul Lee ,  Jongki Han

IPC分类号： H04N7/32 ,  H04N19/86 ,  H04N19/61 ,  H04N19/91

CPC分类号： H04N19/86 ,  H04N19/119 ,  H04N19/122 ,  H04N19/124 ,  H04N19/136 ,  H04N19/176 ,  H04N19/61 ,  H04N19/91

摘要： The present disclosure relates to a video encoding/decoding method and apparatus that account for low frequency components. The method includes generating a reconstructed block by performing a predictive encoding on a current block and generating encoded image data, and generating encoded low frequency data by encoding a low frequency component of an error block generated through subtraction of the reconstructed block from the current block, thereby improving the compression efficiency while reducing blocking effects due to transform and quantization operations by encoding images accounting for low frequency components.

摘要翻译： 本公开涉及考虑低频分量的视频编码/解码方法和装置。 该方法包括：通过对当前块执行预测编码并产生编码图像数据来生成重建块，并且通过对从当前块中减去重建块产生的误差块的低频分量进行编码来生成编码低频数据， 从而提高压缩效率，同时通过对计算低频分量的图像进行编码来减少由于变换和量化操作引起的阻塞效应。

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：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。