公开(公告)号：US20130058397A1

公开(公告)日：2013-03-07

申请号：US13698538

申请日：2011-05-17

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

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

IPC分类号： H04N11/02

CPC分类号： H04N19/573 ,  H04N19/105 ,  H04N19/463 ,  H04N19/517 ,  H04N19/523

摘要： An apparatus for configuring and indexing a reference image for estimating motion vector includes: a reference image configuring unit for processing the reference image in a variety of arbitrary different methods and arranging reference frames according to processing methods; and an index assignment unit for assigning reference frame indexes according to the method processed by the reference image configuring unit.

摘要翻译： 一种用于配置和索引用于估计运动矢量的参考图像的装置，包括：参考图像构成单元，用于以各种任意的不同方法处理参考图像，并根据处理方法排列参考帧; 以及索引分配单元，用于根据由参考图像构成单元处理的方法来分配参考帧索引。

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。

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：US20130287097A1

公开(公告)日：2013-10-31

申请号：US13811596

申请日：2011-07-20

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

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

IPC分类号： H04N7/26

CPC分类号： H04N19/86 ,  H04N19/117 ,  H04N19/136 ,  H04N19/159 ,  H04N19/167 ,  H04N19/82

摘要： An encoding apparatus for encoding a video signal includes: a prediction unit for generating a prediction block of a current block by using intra prediction or inter prediction; a residual data encoding unit for generating a residual block by using the current block and the prediction block, and transforming and quantizing the residual block; a residual data decoding unit for decoding a transformed and quantized residual block by inversely quantizing and inversely transforming the transformed and quantized residual block; and a deblocking filter unit for generating a reconstructed block by using a decoded residual block and the prediction block, and performing deblocking filtering, based on inter prediction information and intra prediction information of the reconstructed block and blocks neighboring the reconstructed block. The intra prediction information includes at least one of an intra prediction mode and an intra prediction block size.

摘要翻译： 一种用于编码视频信号的编码装置包括：预测单元，用于通过使用帧内预测或帧间预测来生成当前块的预测块; 剩余数据编码单元，用于通过使用当前块和预测块产生残差块，并且对剩余块进行变换和量化; 剩余数据解码单元，用于通过对经变换和量化的残差块进行逆量化和逆变换来解码经变换和量化的残差块; 以及去块滤波器单元，用于通过使用解码的残余块和预测块来生成重构块，并且基于帧间预测信息和重建块的帧内预测信息以及与重构块相邻的块来执行解块滤波。 帧内预测信息包括帧内预测模式和帧内预测块大小中的至少一个。

公开(公告)号：US20130272387A1

公开(公告)日：2013-10-17

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： H04N7/26

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

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.

摘要翻译： 本公开提供了一种用于对频率转换单元进行子带编码的方法和装置以及使用其的视频编码/解码装置的视频编码/解码方法。 用于对频率转换单元进行子带编码的方法和装置包括：通过将频率转换单元分成一个或多个频域来产生编码流，根据每个频率中是否存在非零频率系数产生频域编码信息 扫描每个频域的频率系数以产生频域频率系数流，并对频域编码信息和扫描频域频率系数流进行二值化和编码。

公开(公告)号：US20130230098A1

公开(公告)日：2013-09-05

申请号：US13878352

申请日：2011-09-30

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： H04N7/26

CPC分类号： H04N19/105 ,  H04N19/126 ,  H04N19/129 ,  H04N19/132 ,  H04N19/176 ,  H04N19/18 ,  H04N19/463

摘要： A video encoding/decoding apparatus including a video encoder for generating a prediction block, generating a residual block by subtracting the prediction block from the current block. The video encoder is for generating a frequency-transformed block by transforming and quantizing the residual block, generating a masked frequency-transformed block by masking the frequency-transformed block by using one or more frequency mask tables. The video encoder is for encoding information about a frequency mask table used for masking the masked frequency-transformed block. The apparatus includes a video decoder for extracting a masked quantized frequency coefficient string recorded in the bitstream. The video decoder is for generating a quantized frequency coefficient string by zero setting all quantized frequency coefficients at positions of no records in the bitstream from a masked quantized frequency coefficient string. The video decoder is for generating a quantized frequency-transformed block by inversely scanning the generated quantized frequency coefficient string.

公开(公告)号：US20130202047A1

公开(公告)日：2013-08-08

申请号：US13880004

申请日：2011-10-18

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

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

IPC分类号： H04N7/26

CPC分类号： H04N19/523 ,  H04N19/52 ,  H04N19/91

摘要： A video encoding/decoding apparatus includes a video encoder and a video decoder. The video encoder is configured to set up motion vector resolutions differentiated by search areas centered on a prediction motion vector of a current block, perform a motion estimation with a resolution corresponding to each of the search areas to generate a motion vector, and encode a differential motion vector between the generated motion vector and the prediction motion vector. The video decoder is configured to extract the differential motion vector from a bitstream, and decode the extracted differential motion vector with a resolution corresponding to a search area where the differential motion vector belongs to among the search areas.

摘要翻译： 视频编码/解码装置包括视频编码器和视频解码器。 视频编码器被配置为设置由以当前块的预测运动矢量为中心的搜索区域区分的运动矢量分辨率，以与每个搜索区域相对应的分辨率执行运动估计，以生成运动矢量，并且编码差分 所产生的运动矢量与预测运动矢量之间的运动矢量。 视频解码器被配置为从比特流中提取差分运动矢量，并且利用对应于差分运动矢量所属于的搜索区域的搜索区域的分辨率解码所提取的差分运动矢量。

公开(公告)号：US20130064292A1

公开(公告)日：2013-03-14

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： H04N7/32

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：US20130034152A1

公开(公告)日：2013-02-07

申请号：US13641673

申请日：2011-04-18

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

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

IPC分类号： H04N7/50 ,  H04N7/26

CPC分类号： H04N19/513 ,  H04N19/109 ,  H04N19/119 ,  H04N19/139 ,  H04N19/176 ,  H04N19/186 ,  H04N19/463 ,  H04N19/52 ,  H04N19/96

摘要： A video encoding/decoding apparatus includes a video encoder for encoding block mode information indicating whether a block mode of a block to be encoded in a macroblock is a skip mode, partition mode information and skip motion information including index information, encoding at least one of transform type information, CBP information, and delta quantization parameter information of the block according to a combination of the block mode information and the partition mode information, and encoding coefficient information of the block based on the encoded information of the block, and a video decoder for decoding a bitstream to reconstruct block mode information indicating whether a block mode of a block to be decoded is a skip mode, partition mode information indicating whether block is divided into subblocks, and skip motion information including index information, and reconstructing block based on the reconstructed information by using reconstructed skip motion information.

摘要翻译： 视频编码/解码装置包括用于编码块模式信息的视频编码器，所述块模式信息指示要在宏块中编码的块的块模式是否为跳过模式，分区模式信息和包括索引信息的跳过运动信息， 根据块模式信息和分区模式信息的组合，块的变换类型信息，CBP信息和增量量化参数信息，以及基于块的编码信息对块的编码系数信息，以及视频解码器 用于对比特流进行解码以重构指示要解码的块的块模式是否为跳过模式的块模式信息，指示块是否被划分为子块的分区模式信息，以及包括索引信息的跳过运动信息，以及基于 通过使用重建的跳过运动信息重构信息。

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。