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11. 发明申请

US20060165301A1 Video coding method and apparatus for efficiently predicting unsynchronized frame 审中-公开
标题翻译：用于有效预测不同步帧的视频编码方法和装置
公开(公告)号：US20060165301A1
公开(公告)日：2006-07-27
申请号：US11336825
申请日：2006-01-23
申请人： Sang-Chang Cha , Woo-Jin Han
发明人： Sang-Chang Cha , Woo-Jin Han
IPC分类号： G06K9/46
CPC分类号： H04N19/59 , H04N19/105 , H04N19/187 , H04N19/30
摘要： A method of efficiently predicting a frame having no corresponding lower layer frame in video frames having a multi-layered structure, and a video coding apparatus using the prediction method is provided. In the video encoding method, motion estimation is performed by using a first frame of two frames of a lower layer temporally closest to an unsynchronized frame of a current layer as a reference frame. A residual frame between the reference frame and a second frame of the lower layer frames is obtained. A virtual base layer frame at the same temporal location as that of the unsynchronized frame is generated using a motion vector obtained as a result of the motion estimation, the reference frame, and the residual frame. The generated virtual base layer frame is subtracted from the unsynchronized frame to generate a difference, and the difference is encoded.
摘要翻译：提供一种有效地预测具有多层结构的视频帧中没有相应的下层帧的帧的方法，以及使用该预测方法的视频编码装置。在视频编码方法中，通过使用时间上最接近当前层的不同步帧的下层的两帧的第一帧作为参考帧来执行运动估计。获得参考帧和下层帧的第二帧之间的残留帧。使用作为运动估计，参考帧和剩余帧的结果获得的运动矢量来生成与非同步帧相同的时间位置的虚拟基本层帧。从非同步帧中减去生成的虚拟基本层帧以产生差异，并且对差异进行编码。

12. 发明申请

US20060104354A1 Multi-layered intra-prediction method and video coding method and apparatus using the same 审中-公开
标题翻译：多层帧内预测方法和视频编码方法及使用该方法的装置
公开(公告)号：US20060104354A1
公开(公告)日：2006-05-18
申请号：US11271984
申请日：2005-11-14
申请人： Woo-jin Han , Sang-chang Cha , Ho-jin Ha
发明人： Woo-jin Han , Sang-chang Cha , Ho-jin Ha
IPC分类号： H04N11/04 , H04N7/12 , H04B1/66 , H04N11/02
CPC分类号： H04N19/33 , H04N19/103 , H04N19/11 , H04N19/147 , H04N19/159 , H04N19/176 , H04N19/187 , H04N19/196 , H04N19/463
摘要： A video coding method using a multi-layer structure, and more particularly, a method and apparatus for facilitating a search for an intra-prediction mode in an upper layer using an intra-prediction mode in a lower layer while efficiently and compressively encoding the searched intra-prediction mode are provided. The intra-prediction method includes searching for an optimum prediction mode of a current block among a predetermined number of intra-prediction modes, and obtaining a directional difference between the searched optimum prediction mode and an optimum prediction mode of a lower layer block corresponding to the current block.
摘要翻译：一种使用多层结构的视频编码方法，更具体地说，涉及一种在下层中使用帧内预测模式促进对上层内帧内预测模式的搜索的方法和装置，同时有效和压缩编码搜索到的提供帧内预测模式。帧内预测方法包括在预定数量的帧内预测模式中搜索当前块的最佳预测模式，并且获得所搜索的最佳预测模式与对应于所述帧内预测模式的下层块的最佳预测模式之间的方向差当前块。

13. 发明申请

US20050232359A1 Inter-frame prediction method in video coding, video encoder, video decoding method, and video decoder 失效
标题翻译：视频编码，视频编码器，视频解码方法和视频解码器的帧间预测方法
公开(公告)号：US20050232359A1
公开(公告)日：2005-10-20
申请号：US11105388
申请日：2005-04-14
申请人： Sang-chang Cha
发明人： Sang-chang Cha
IPC分类号： H04N7/32 , H04N7/12 , H04N7/26 , H04N7/50
CPC分类号： H04N19/615 , H04N19/109 , H04N19/13 , H04N19/147 , H04N19/176 , H04N19/19 , H04N19/567 , H04N19/61 , H04N19/63
摘要： An inter-frame prediction method in video coding, a video encoder using the same, a bitstream structure, a video decoding method, and a video decoder are provided. The inter-frame prediction method in video encoding includes estimating a motion vector between a current block in an input frame and a reference block in a reference frame corresponding to the current block and a filtering mode defining a spatial effect to be applied to at least one of the current block and the reference block, and interceding the input frame according to the estimated motion vector and the filtering mode.
摘要翻译：提供了一种视频编码中的帧间预测方法，使用该帧间预测方法的视频编码器，比特流结构，视频解码方法和视频解码器。视频编码中的帧间预测方法包括估计输入帧中的当前块与对应于当前块的参考帧中的参考块之间的运动矢量，以及定义要应用于至少一个的空间效果的滤波模式当前块和参考块，并且根据估计的运动矢量和滤波模式来插入输入帧。

14. 发明授权

US08542750B2 Deblocking control method considering intra BL mode and multilayer video encoder/decoder using the same 有权
标题翻译：考虑内部BL模式的解块控制方法和使用相同的多层视频编码器/解码器
公开(公告)号：US08542750B2
公开(公告)日：2013-09-24
申请号：US11322392
申请日：2006-01-03
申请人： Sang-chang Cha , Ho-jin Ha , Kyo-hyuk Lee , Bae-keun Lee , Jae-young Lee , Woo-jin Han
发明人： Sang-chang Cha , Ho-jin Ha , Kyo-hyuk Lee , Bae-keun Lee , Jae-young Lee , Woo-jin Han
IPC分类号： H04B1/66 , H04N7/12 , H04N11/04 , H04N11/02
CPC分类号： H04N19/61
摘要： A deblocking filter used in a video encoder/decoder based on a multilayer is disclosed. The deblocking filtering method includes choosing a present block and its neighboring block on which a deblocking filtering will be performed, judging whether the present block and the neighboring block have been coded by the intra BL mode, choosing a deblocking filter strength according to the result of the judgment, and performing the deblocking filtering with respect to a boundary between the present block and the neighboring block and according to the deblocking filter strength.
摘要翻译：公开了一种用于基于多层的视频编码器/解码器中的去块滤波器。解块滤波方法包括：选择当前块及其相邻块，在其上执行去块滤波，判断当前块和相邻块是否已经通过帧内BL模式进行编码，根据其结果选择解块滤波器强度并且根据解块滤波器强度对当前块和相邻块之间的边界执行解块滤波。

15. 发明授权

US08085847B2 Method for compressing/decompressing motion vectors of unsynchronized picture and apparatus using the same 有权
标题翻译：用于压缩/解压缩不同步图像的运动矢量和使用其的装置的方法
公开(公告)号：US08085847B2
公开(公告)日：2011-12-27
申请号：US11393755
申请日：2006-03-31
申请人： Kyo-hyuk Lee , Sang-chang Cha , Woo-jin Han
发明人： Kyo-hyuk Lee , Sang-chang Cha , Woo-jin Han
IPC分类号： H04N7/12
CPC分类号： H04N19/615 , H04N19/13 , H04N19/31 , H04N19/52 , H04N19/61 , H04N19/63
摘要： A method and apparatus are provided for improving the compression efficiency of motion vectors of an unsynchronized picture by efficiently predicting the motion vectors using motion vectors of a lower layer. The method compresses motion vectors of an unsynchronized picture belonging to a current layer in a video encoder based on a multilayer having at least the current layer and a lower layer of the current layer. The method includes selecting a base picture for the unsynchronized picture, generating a predicted motion vector of the current layer from a motion vector of the base picture, subtracting the predicted motion vector from a motion vector of the unsynchronized picture, and encoding the result of subtraction.
摘要翻译：提供一种方法和装置，用于通过使用下层的运动矢量有效地预测运动矢量来提高非同步图像的运动矢量的压缩效率。该方法基于至少具有当前层的当前层和下层的多层压缩视频编码器中属于当前层的不同步图像的运动矢量。该方法包括：选择用于非同步图像的基本图像，从基本图像的运动矢量生成当前图层的预测运动矢量，从非同步图像的运动矢量中减去预测运动矢量，并对相减结果进行编码。

16. 发明授权

US07881387B2 Apparatus and method for adjusting bitrate of coded scalable bitsteam based on multi-layer 有权
标题翻译：基于多层次调整可编程可扩展比特率的比特率的装置和方法
公开(公告)号：US07881387B2
公开(公告)日：2011-02-01
申请号：US11251976
申请日：2005-10-18
申请人： Woo-jin Han , Kyo-hyuk Lee , Sang-chang Cha , Ho-jin Ha , Bae-keun Lee , Jae-young Lee
发明人： Woo-jin Han , Kyo-hyuk Lee , Sang-chang Cha , Ho-jin Ha , Bae-keun Lee , Jae-young Lee
IPC分类号： H04N7/12 , H04N11/02 , H04N11/04
CPC分类号： H04N19/615 , H04N19/115 , H04N19/117 , H04N19/127 , H04N19/13 , H04N19/132 , H04N19/136 , H04N19/149 , H04N19/15 , H04N19/152 , H04N19/154 , H04N19/162 , H04N19/164 , H04N19/172 , H04N19/177 , H04N19/187 , H04N19/31 , H04N19/34 , H04N19/36 , H04N19/46 , H04N19/517 , H04N19/577 , H04N19/587 , H04N19/59 , H04N19/61 , H04N19/63 , H04N19/70 , H04N19/86
摘要： Disclosed are a method and an apparatus for realizing signal to noise ratio (SNR) scalability in a video stream server in order to transmit a video stream in a variable network environment. An apparatus for adapting a bitrate of a coded scalable bit-stream based on multi-layers to a variable network environment, comprising a bit-stream parsing unit to parse an input bit-stream, a pre-decoding condition determining unit to determine a target transmission bitrate according to the variable network environment, a pre-decoding unit to skip at least one frame among the frames included in the parsed bit-stream according to the determined target transmission bitrate, and a bit-stream transmission unit to transmit to a client device the bit-stream that has been restructured due to frame skipping.
摘要翻译：公开了一种用于在视频流服务器中实现信噪比（SNR）可扩展性的方法和装置，以便在可变网络环境中发送视频流。一种用于将基于多层的编码可缩放比特流的比特率适配到可变网络环境的装置，包括用于解析输入比特流的比特流分析单元，预解码条件确定单元，以确定目标根据所述可变网络环境的传输比特率，根据所确定的目标传输比特率，预解码单元跳过包含在解析的比特流中的帧中的至少一个帧;以及比特流发送单元，用于向客户端发送设备由于跳帧而重组的位流。

17. 发明申请

US20080317133A1 MPEG VIDEO DECODING METHOD AND MPEG VIDEO DECODER 失效
标题翻译： MPEG视频解码方法和MPEG视频解码器
公开(公告)号：US20080317133A1
公开(公告)日：2008-12-25
申请号：US12198961
申请日：2008-08-27
申请人： Jong-hak AHN , Sang-Chang Cha
发明人： Jong-hak AHN , Sang-Chang Cha
IPC分类号： H04N7/26
CPC分类号： H04N19/127 , H04N19/136 , H04N19/137 , H04N19/176 , H04N19/18 , H04N19/51 , H04N19/61 , H04N19/90
摘要： An MPEG video decoding method and an MPEG video decoder are provided. The method includes determining whether to perform motion compensation on motion-vector-decoded data or not depending on a value of a decoded motion vector, determining whether to perform inverse discrete cosine transformation (IDCT) on motion-compensated data or not depending on values of decoded DCT coefficients, and generating a decoded image based on the results of the two determinations.
摘要翻译：提供MPEG视频解码方法和MPEG视频解码器。该方法包括根据解码的运动矢量的值确定是否对运动矢量解码数据执行运动补偿，确定是否根据运动补偿数据执行逆离散余弦变换（IDCT）解码的DCT系数，并且基于两次确定的结果生成解码图像。

18. 发明申请

US20070025439A1 Method and apparatus for encoding and decoding video signal according to directional intra-residual prediction 有权
标题翻译：根据定向残差预测对视频信号进行编码和解码的方法和装置
公开(公告)号：US20070025439A1
公开(公告)日：2007-02-01
申请号：US11490199
申请日：2006-07-21
申请人： Woo-jin Han , Sang-chang Cha , Kyo-hyuk Lee
发明人： Woo-jin Han , Sang-chang Cha , Kyo-hyuk Lee
IPC分类号： H04B1/66 , H04N11/04
CPC分类号： H04B1/662 , H04N19/11 , H04N19/136 , H04N19/176 , H04N19/187 , H04N19/33 , H04N19/46 , H04N19/593 , H04N19/61
摘要： A method and apparatus for encoding and decoding a video signal according to directional intra-residual prediction. The video encoding method of the present invention includes calculating first residual data by performing directional intra-prediction on a first block of a base layer with reference to a second block of the base layer, calculating second residual data by performing directional intra-prediction on a third block of an enhancement layer that corresponds to the first block of the base layer with reference to a fourth block of the enhancement layer that corresponds to the second block of the base layer, and encoding the third block according to the directional intra-residual prediction by obtaining third residual data that is a difference between the first residual data and the second residual data.
摘要翻译：一种根据定向残差预测对视频信号进行编码和解码的方法和装置。本发明的视频编码方法包括通过参照基本层的第二块对基本层的第一块进行定向帧内预测来计算第一残差数据，通过对基本层进行定向帧内预测来计算第二残差数据增强层的第三块，其对应于基本层的第一块，参考对应于基本层的第二块的增强层的第四块，并且根据定向残差预测对第三块进行编码通过获得作为第一残差数据和第二残差数据之间的差的第三残差数据。

19. 发明申请

US20060176957A1 Method and apparatus for compressing multi-layered motion vector 审中-公开
标题翻译：用于压缩多层运动矢量的方法和装置
公开(公告)号：US20060176957A1
公开(公告)日：2006-08-10
申请号：US11348316
申请日：2006-02-07
申请人： Woo-jin Han , Kyo-hyuk Lee , Sang-chang Cha
发明人： Woo-jin Han , Kyo-hyuk Lee , Sang-chang Cha
IPC分类号： H04N11/02 , H04N11/04 , H04N7/12 , H04B1/66
CPC分类号： H04N19/33 , H04N19/51 , H04N19/52
摘要： A method of compressing a motion vector (MV) of a first macroblock when the region of a first lower layer corresponding to the first macroblock of a current layer frame does not have an MV is provided. The method includes interpolating the MV of a second macroblock to which the region belongs, based on the MV of at least one neighboring macroblock, and predicting the MV of the first macroblock using the interpolated MV.
摘要翻译：提供了当与当前层框架的第一宏块对应的第一下层的区域不具有MV时，压缩第一宏块的运动矢量（MV）的方法。该方法包括基于至少一个相邻宏块的MV来内插该区域所属的第二宏块的MV，并且使用内插MV来预测第一宏块的MV。

20. 发明申请

US20060165304A1 Multilayer video encoding/decoding method using residual re-estimation and apparatus using the same 审中-公开
标题翻译：多层视频编码/解码方法采用残差再估计和装置使用相同
公开(公告)号：US20060165304A1
公开(公告)日：2006-07-27
申请号：US11339496
申请日：2006-01-26
申请人： Bae-keun Lee , Sang-chang Cha
发明人： Bae-keun Lee , Sang-chang Cha
IPC分类号： G06K9/46
CPC分类号： H04N19/34 , H04N19/187 , H04N19/33 , H04N19/86
摘要： A multilayer encoding/decoding method using residual re-estimation and an apparatus using the same are disclosed. The multilayer video encoding method includes (a) encoding a first residual image obtained by subtracting a predicted frame from an original frame, (b) decoding the encoded first residual image and generating a first restored frame by adding the decoded residual image to the predicted frame, (c) deblocking the first restored frame, and (d) encoding a second residual image obtained by subtracting the predicted frame from the first deblocked restored frame.
摘要翻译：公开了使用残余再估计的多层编码/解码方法和使用其的装置。多层视频编码方法包括：（a）通过从原始帧中减去预测帧获得的第一残差图像进行编码，（b）对编码的第一残差图像进行解码，并通过将解码的残留图像与预测帧相加来生成第一恢复帧（c）解锁第一恢复帧，（d）编码通过从第一解块恢复帧中减去预测帧而获得的第二残差图像。

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