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1. 发明授权

US08165207B2 Method of effectively predicting multi-layer based video frame, and video coding method and apparatus using the same 失效
标题翻译：有效预测多层视频帧的方法，以及使用其的视频编码方法和装置
公开(公告)号：US08165207B2
公开(公告)日：2012-04-24
申请号：US13020567
申请日：2011-02-03
申请人： Sang-chang Cha , Woo-jin Han
发明人： Sang-chang Cha , Woo-jin Han
IPC分类号： H04N7/12
CPC分类号： H04N19/33 , H04N19/107 , H04N19/11 , H04N19/147 , H04N19/159 , H04N19/176 , H04N19/187 , H04N19/19 , H04N19/196 , H04N19/46 , H04N19/463
摘要： A method and apparatus are provided for effectively predicting a video frame that use all of the advantages of an intra mode and an intra BL mode in multi-layer structure based-video coding. The method includes reconstructing the intra block of a lower layer using the previously reconstructed first neighboring blocks of the intra block; subtracting the first neighboring blocks from previously stored the second neighboring blocks of an upper layer corresponding to the first neighboring blocks; creating a differential predicted block based on a predetermined intra prediction mode by performing intra prediction using virtual differential neighboring blocks that are created as a result of the subtraction; adding the differential predicted block and the reconstructed intra block; and subtracting a predicted block, which is created as a result of the addition, from a block of the upper layer corresponding to the intra block.
摘要翻译：提供了一种用于在基于多层结构的视频编码中有效地预测使用帧内模式和帧内BL模式的所有优点的视频帧的方法和装置。该方法包括使用先前重构的帧内块的第一相邻块来重建下层的块内块; 从先前存储的与第一相邻块对应的上层的第二相邻块中减去第一相邻块; 通过使用作为减法的结果创建的虚拟差分相邻块来执行帧内预测，基于预定的帧内预测模式创建差分预测块; 添加差分预测块和重构块内块; 并从对应于帧内块的上层的块中减去作为相加结果而生成的预测块。

2. 发明申请

US20070025448A1 Deblocking filtering method considering intra-BL mode and multilayer video encoder/decoder using the same 审中-公开
标题翻译：考虑BL内模式的解块滤波方法及使用其的多层视频编解码器
公开(公告)号：US20070025448A1
公开(公告)日：2007-02-01
申请号：US11483646
申请日：2006-07-11
申请人： Sang-chang Cha , Kyo-hyuk Lee , Bae-keun Lee , Woo-jin Han , Jae-young Lee , Ho-jin Ha
发明人： Sang-chang Cha , Kyo-hyuk Lee , Bae-keun Lee , Woo-jin Han , Jae-young Lee , Ho-jin Ha
IPC分类号： H04N11/04 , H04B1/66
CPC分类号： H04N19/86 , H04N19/117 , H04N19/159 , H04N19/176 , H04N19/61
摘要： Deblocking filter used in a video encoder/decoder based on a multilayer. In deciding a deblocking filter strength when performing a deblocking filtering with respect to a boundary between a current block coded by an intra-BL mode and its neighboring block, it is determined whether the current block or the neighboring block has coefficients. The filter strength is decided as a first filter strength if it is determined that the current block or the neighboring block has the coefficients, and the filter strength is decided as a second filter strength if it is determined that the current block or the neighboring block does not have the coefficients. The first filter strength is greater than the second filter strength.
摘要翻译：基于多层的视频编码器/解码器中使用的去块滤波器。在对由BL模式编码的当前块与其相邻块之间的边界执行解块滤波时，决定解块滤波器强度时，确定当前块或相邻块是否具有系数。如果确定当前块或相邻块具有系数，则将滤波器强度确定为第一滤波器强度，并且如果确定当前块或相邻块确定了滤波器强度，则将滤波器强度确定为第二滤波器强度没有系数。第一过滤强度大于第二过滤强度。

3. 发明申请

US20070019726A1 Method and apparatus for encoding and decoding video signal by extending application of directional intra-prediction 审中-公开
标题翻译：通过扩展定向帧内预测的应用对视频信号进行编码和解码的方法和装置
公开(公告)号：US20070019726A1
公开(公告)日：2007-01-25
申请号：US11490035
申请日：2006-07-21
申请人： Sang-chang Cha , Kyo-hyuk Lee , Woo-jin Han
发明人： Sang-chang Cha , Kyo-hyuk Lee , Woo-jin Han
IPC分类号： H04N7/12 , H04N11/04
CPC分类号： H04N19/187 , H04N19/11 , H04N19/124 , H04N19/136 , H04N19/176 , H04N19/30 , H04N19/593
摘要： A method and apparatus for encoding and decoding a video signal by extending an application of directional intra-prediction. When performing a directional intra-prediction during video data encoding, a second block in a frame is searched in order to predict information of a first block included in the video data from the second block existing in the same frame as the first block, a residual between information included in the searched second block and the information included in the first block is calculated, and the calculated residual is encoded. The second block exists in a position adjacent to the first block, and the first block refers to the second block in a third direction existing between a first direction and a second direction that are adjacent to each other for use in the directional intra-prediction.
摘要翻译：一种通过扩展定向帧内预测的应用来对视频信号进行编码和解码的方法和装置。当在视频数据编码期间执行定向帧内预测时，搜索帧中的第二块以便从与第一块相同的帧中存在的第二块中预测包括在视频数据中的第一块的信息，剩余计算包括在搜索到的第二块中的信息和包括在第一块中的信息之间，并且对所计算的残差进行编码。第二块存在于与第一块相邻的位置，并且第一块是指存在于彼此相邻的第一方向和第二方向之间的第三方向上的第二块，用于定向帧内预测。

4. 发明申请

US20060233250A1 Method and apparatus for encoding and decoding video signals in intra-base-layer prediction mode by selectively applying intra-coding 审中-公开
标题翻译：通过选择性地应用帧内编码来以帧内预测模式对视频信号进行编码和解码的方法和装置
公开(公告)号：US20060233250A1
公开(公告)日：2006-10-19
申请号：US11402860
申请日：2006-04-13
申请人： Sang-chang Cha , Woo-jin Han
发明人： Sang-chang Cha , Woo-jin Han
IPC分类号： H04N7/12
CPC分类号： H04N19/187 , H04N19/105 , H04N19/176 , H04N19/30 , H04N19/61
摘要： A method and apparatus for encoding and decoding macroblocks in an intra-base layer prediction mode by selectively applying intra-coding are provided. The method includes the steps of calculating a difference between an input frame and a base layer frame calculated from the input frame and obtaining residual signals, converting the residual signals using an intra-coding method, and generating an enhancement layer frame including the converted residual signals.
摘要翻译：提供了一种通过选择性地应用帧内编码来对基站内预测模式中的宏块进行编码和解码的方法和装置。该方法包括以下步骤：计算从输入帧计算出的输入帧和基本层帧之间的差异，并获得残余信号，使用帧内编码方法转换残余信号，以及生成包括转换的残留信号的增强层帧。

5. 发明申请

US20060232454A1 Context-based adaptive arithmetic coding and decoding methods and apparatuses with improved coding efficiency and video coding and decoding methods and apparatuses using the same 失效
标题翻译：具有改进的编码效率的基于上下文的自适应算术编码和解码方法和装置以及使用其的视频编码和解码方法和装置
公开(公告)号：US20060232454A1
公开(公告)日：2006-10-19
申请号：US11405573
申请日：2006-04-18
申请人： Sang-chang Cha , Woo-jin Han
发明人： Sang-chang Cha , Woo-jin Han
IPC分类号： H03M7/34
CPC分类号： H04N19/615 , H04N19/13 , H04N19/15 , H04N19/174 , H04N19/187 , H04N19/61 , H04N19/63
摘要： Context-based adaptive arithmetic coding and decoding methods and apparatuses with improved coding efficiency and video coding and decoding methods and apparatuses using the same are provided. The method for performing context-based adaptive arithmetic coding on a given slice in an enhancement layer frame of a video signal having a multi-layered structure includes steps of resetting a context model for the given slice to a context model for a base layer slice at the same temporal position as the given slice, arithmetically coding a data symbol of the given slice using the reset context model, and updating the context model based on the value of the arithmetically coded data symbol.
摘要翻译：提供了具有改进的编码效率的基于上下文的自适应算术编码和解码方法和装置以及使用其的视频编码和解码方法和装置。在具有多层结构的视频信号的增强层帧中对给定切片进行基于上下文的自适应算术编码的方法包括以下步骤：将给定切片的上下文模型重置为基底层切片的上下文模型与给定切片相同的时间位置，使用重置上下文模型对给定切片的数据符号进行算术编码，以及基于算术编码的数据符号的值来更新上下文模型。

6. 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。

7. 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。

8. 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。

9. 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。

10. 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。

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