公开(公告)号：US10244252B2

公开(公告)日：2019-03-26

申请号：US13979214

申请日：2012-01-31

申请人： Sung Chang Lim ,  Hui Yong Kim ,  Se Yoon Jeong ,  Suk Hee Cho ,  Dong San Jun ,  Jong Ho Kim ,  Ha Hyun Lee ,  Jin Ho Lee ,  Jin Soo Choi ,  Jin Woong Kim

发明人： Sung Chang Lim ,  Hui Yong Kim ,  Se Yoon Jeong ,  Suk Hee Cho ,  Dong San Jun ,  Jong Ho Kim ,  Ha Hyun Lee ,  Jin Ho Lee ,  Jin Soo Choi ,  Jin Woong Kim

IPC分类号： H04N19/513 ,  H04N19/61 ,  H04N19/44 ,  H04N19/426

摘要： The present invention relates to a method and apparatus for encoding/decoding image using a motion vector.According to one embodiment of the present invention, an image-decoding method is provided. The image-decoding method comprises the following steps: clipping a motion vector of a reference picture with a predetermined dynamic range so as to generate a clipped motion vector; storing the clipped motion vector in a buffer; deriving a motion vector of a block to be decoded using the motion vector stored in the buffer; and performing inter-prediction decoding using the motion vector of the block to be decoded. According to the present invention, the size of a memory space required to store a motion vector may be reduced.

公开(公告)号：US09794556B2

公开(公告)日：2017-10-17

申请号：US13990190

申请日：2011-11-29

申请人： Sung Chang Lim ,  Hae Chul Choi ,  Se Yoon Jeong ,  Suk Hee Cho ,  Hui Yong Kim ,  Jin Ho Lee ,  Ha Hyun Lee ,  Jong Ho Kim ,  Jin Soo Choi ,  Jin Woong Kim ,  Gwang Hoon Park ,  Kyung Yong Kim ,  Dong-Gyu Sim ,  Seoung Jun Oh

发明人： Sung Chang Lim ,  Hae Chul Choi ,  Se Yoon Jeong ,  Suk Hee Cho ,  Hui Yong Kim ,  Jin Ho Lee ,  Ha Hyun Lee ,  Jong Ho Kim ,  Jin Soo Choi ,  Jin Woong Kim ,  Gwang Hoon Park ,  Kyung Yong Kim ,  Dong-Gyu Sim ,  Seoung Jun Oh

IPC分类号： H04N19/176 ,  H04N19/11 ,  H04N19/50 ,  H04N19/147 ,  H04N19/593

CPC分类号： H04N19/50 ,  H04N19/11 ,  H04N19/132 ,  H04N19/147 ,  H04N19/169 ,  H04N19/176 ,  H04N19/46 ,  H04N19/593

摘要： Provided are an encoding device using predictive coding in a screen and a method thereof, and a decoding device and a method thereof. The encoding device is capable of generating a prediction block of a current block according to one of methods for generating a plurality of predetermined prediction blocks, and outputting at least one of encoding information and differential blocks as bitstream by entropy encoding according to whether differential blocks are encoded or not.

公开(公告)号：US09363509B2

公开(公告)日：2016-06-07

申请号：US14001024

申请日：2012-03-05

申请人： Sung Chang Lim ,  Hui Yong Kim ,  Se Yoon Jeong ,  Jong Ho Kim ,  Ha Hyun Lee ,  Jin Ho Lee ,  Jin Soo Choi ,  Jin Woong Kim

发明人： Sung Chang Lim ,  Hui Yong Kim ,  Se Yoon Jeong ,  Jong Ho Kim ,  Ha Hyun Lee ,  Jin Ho Lee ,  Jin Soo Choi ,  Jin Woong Kim

IPC分类号： H04N19/124 ,  H04N19/186 ,  H04N19/463 ,  H04N19/157

CPC分类号： H04N19/124 ,  H04N19/105 ,  H04N19/117 ,  H04N19/122 ,  H04N19/13 ,  H04N19/15 ,  H04N19/157 ,  H04N19/159 ,  H04N19/174 ,  H04N19/176 ,  H04N19/186 ,  H04N19/43 ,  H04N19/46 ,  H04N19/463 ,  H04N19/61

摘要： Disclosed are a method for determining a color difference component quantization parameter and a device using the method. Method for decoding an image can comprise the steps of: decoding a color difference component quantization parameter offset on the basis of size information of a transform unit; and calculating a color difference component quantization parameter index on the basis of the decoded color difference component quantization parameter offset. Therefore, the present invention enables effective quantization by applying different color difference component quantization parameters according to the size of the transform unit when executing the quantization.

摘要翻译： 公开了一种用于确定色差分量量化参数的方法和使用该方法的装置。 解码图像的方法可以包括以下步骤：根据变换单元的大小信息对色差分量量化参数偏移进行解码; 以及基于解码的色差分量量化参数偏移来计算色差分量量化参数索引。 因此，本发明通过在执行量化时根据变换单元的大小应用不同的色差分量量化参数来实现有效的量化。

公开(公告)号：US09053525B2

公开(公告)日：2015-06-09

申请号：US13980521

申请日：2012-01-20

申请人： Jong Ho Kim ,  Hui Yong Kim ,  Sung Chang Lim ,  Ha Hyun Lee ,  Jin Ho Lee ,  Se Yoon Jeong ,  Jin Soo Choi ,  Jin Woong Kim ,  Chie Teuk Ahn

发明人： Jong Ho Kim ,  Hui Yong Kim ,  Sung Chang Lim ,  Ha Hyun Lee ,  Jin Ho Lee ,  Se Yoon Jeong ,  Jin Soo Choi ,  Jin Woong Kim ,  Chie Teuk Ahn

IPC分类号： G06K9/36 ,  G06T9/00

CPC分类号： G06T9/00 ,  H04N19/13 ,  H04N19/146 ,  H04N19/157 ,  H04N19/1887 ,  H04N19/196 ,  H04N19/61 ,  H04N19/91

摘要： Disclosed is an entropy coding method using an index mapping table, and an apparatus using the method. An imagedecoding method comprises: a step of mapping an inputted codeword to a code number with reference to an inverse codeword mapping table, and calculating the mapped code number in a table index; and a step of updating the inverse mapping table based on the accumulated number of occurrences of the code number, the number of sequential occurrences of the code number, neighbor block encoding/decoding information, and/or threshold value information for updating the inverse index mapping table. According to the present invention, an index mapping table is realigned based on a certain condition, thereby improving encoding/decoding efficiency.

摘要翻译： 公开了使用索引映射表的熵编码方法和使用该方法的装置。 一种成像编码方法包括：参考反码字映射表将输入的码字映射到码号并计算表索引中的映射码数的步骤; 以及基于代码号的出现次数，代码号的顺序出现次数，相邻块编码/解码信息和/或用于更新反向索引映射的阈值信息来更新反向映射表的步骤 表。 根据本发明，基于特定条件重新分配索引映射表，从而提高编码/解码效率。

公开(公告)号：US09025893B2

公开(公告)日：2015-05-05

申请号：US13809344

申请日：2011-07-08

申请人： Ha Hyun Lee ,  Sung Chang Lim ,  Hui Yong Kim ,  Se Yoon Jeong ,  Jong Ho Kim ,  Jin Ho Lee ,  Suk Hee Cho ,  Jin Soo Choi ,  Jin Woong Kim ,  Chie Teuk Ahn ,  Sung Jea Ko ,  Seung Won Jung ,  Yeo Jin Yoon

发明人： Ha Hyun Lee ,  Sung Chang Lim ,  Hui Yong Kim ,  Se Yoon Jeong ,  Jong Ho Kim ,  Jin Ho Lee ,  Suk Hee Cho ,  Jin Soo Choi ,  Jin Woong Kim ,  Chie Teuk Ahn ,  Sung Jea Ko ,  Seung Won Jung ,  Yeo Jin Yoon

IPC分类号： G06K9/64 ,  G06T9/00

CPC分类号： G06T9/004 ,  H04N19/105 ,  H04N19/137 ,  H04N19/154 ,  H04N19/176 ,  H04N19/19 ,  H04N19/51 ,  H04N19/593

摘要： Provided are a method and an apparatus for encoding images using template matching and a method and an apparatus for decoding images. The method for encoding the images can determine a template of an encoding target block and can determine a matching search target image for performing a matching search with the determined template among the recovered reference images. In addition, an optimum prediction block can be determined on the basis of the determined matching search target image and the template of the encoding target block.

摘要翻译： 提供了一种使用模板匹配对图像进行编码的方法和装置，以及用于对图像进行解码的方法和装置。 用于编码图像的方法可以确定编码目标块的模板，并且可以确定用于在恢复的参考图像中与所确定的模板执行匹配搜索的匹配搜索目标图像。 此外，可以基于确定的匹配搜索目标图像和编码目标块的模板来确定最佳预测块。

公开(公告)号：US20140119441A1

公开(公告)日：2014-05-01

申请号：US14125974

申请日：2012-06-15

申请人： Ha Hyun Lee ,  Jung Won Kang ,  Jin Soo Choi ,  Jin Woong Kim ,  Dong Gyu Sim ,  Hyo Min Choi ,  Jung Hak Nam

发明人： Ha Hyun Lee ,  Jung Won Kang ,  Jin Soo Choi ,  Jin Woong Kim ,  Dong Gyu Sim ,  Hyo Min Choi ,  Jung Hak Nam

IPC分类号： H04N19/30 ,  H04N19/503

CPC分类号： H04N19/503 ,  H04N19/103 ,  H04N19/11 ,  H04N19/176 ,  H04N19/187 ,  H04N19/30 ,  H04N19/33 ,  H04N19/36 ,  H04N19/59

摘要： The present invention relates to a method and an apparatus for interlayer prediction, and the method for interlayer prediction, according to the present invention, comprises the steps of: deciding whether to apply an interlayer prediction to an enhancement layer; and performing a prediction on a current block of the enhancement layer based on reference information that is generalized and generated from a reference picture, which is decoded, of a reference layer, when the interlayer prediction is applied, wherein the reference layer information can be encoding information of a reference block, which corresponds to a current block of the enhancement layer, from the reference layer, and residual information.

摘要翻译： 本发明涉及一种用于层间预测的方法和装置，以及根据本发明的层间预测方法，包括以下步骤：决定是否对增强层应用层间预测; 并且当应用所述层间预测时，基于从参考层被解码的参考图像中被广义并生成的参考信息来对所述增强层的当前块执行预测，其中所述参考层信息可以被编码 与参考层相对应的增强层的当前块的参考块的信息和残差信息。

公开(公告)号：US20140119440A1

公开(公告)日：2014-05-01

申请号：US14125840

申请日：2012-06-15

申请人： Ha Hyun Lee ,  Jung Won Kang ,  Jin Soo Choi ,  Jin Woong Kim ,  Dong Gyu Sim ,  Hyo Min Choi ,  Jung Hak Nam

发明人： Ha Hyun Lee ,  Jung Won Kang ,  Jin Soo Choi ,  Jin Woong Kim ,  Dong Gyu Sim ,  Hyo Min Choi ,  Jung Hak Nam

IPC分类号： H04N19/30 ,  H04N19/503

CPC分类号： H04N19/503 ,  H04N19/103 ,  H04N19/11 ,  H04N19/176 ,  H04N19/187 ,  H04N19/30 ,  H04N19/33 ,  H04N19/36 ,  H04N19/59

摘要： The present invention relates to a method and an apparatus for interlayer intra-prediction, and the method for interlayer intra-prediction, according to the present invention, comprises the steps of: deciding whether to apply an interlayer prediction to an enhancement layer; and performing a prediction on a current block of the enhancement layer based on reference information that is generalized and generated from a reference picture, which is decoded, of a reference layer, when the interlayer prediction is applied.

摘要翻译： 本发明涉及一种用于层间预测的方法和装置，以及根据本发明的层间预测方法，包括以下步骤：决定是否对增强层应用层间预测; 并且当应用了层间预测时，基于从参考层的被解码的参考图像推广并生成的参考信息来对增强层的当前块执行预测。

公开(公告)号：US20140037004A1

公开(公告)日：2014-02-06

申请号：US14044542

申请日：2013-10-02

申请人： Se Yoon Jeong ,  Hui Yong Kim ,  Sung Chang Lim ,  Jin Ho Lee ,  Ha Hyun Lee ,  Jong Ho Kim ,  Jin Soo Choi ,  Jin Woong Kim ,  Chie Teuk Ahn ,  Gwang Hoon Park ,  Kyung Yong Kim ,  Han Soo Lee ,  Tae Ryong Kim

发明人： Se Yoon Jeong ,  Hui Yong Kim ,  Sung Chang Lim ,  Jin Ho Lee ,  Ha Hyun Lee ,  Jong Ho Kim ,  Jin Soo Choi ,  Jin Woong Kim ,  Chie Teuk Ahn ,  Gwang Hoon Park ,  Kyung Yong Kim ,  Han Soo Lee ,  Tae Ryong Kim

IPC分类号： H04N7/32

CPC分类号： H04N19/10 ,  H04N19/105 ,  H04N19/136 ,  H04N19/196 ,  H04N19/197 ,  H04N19/46 ,  H04N19/61

摘要： A method for coding image information includes generating prediction information by predicting information on a current coding unit, and determining whether the information on the current coding unit is the same as the prediction information. When the information on the current coding unit is the same as the prediction information, a flag indicating that the information on the current coding unit is the same as the prediction information is coded and transmitted. When the information on the current coding unit is not the same as the prediction information, a flag indicating that the information on the current coding unit is not the same as the prediction information and the information on the current coding unit are coded and transmitted. At the generating of the prediction information, the prediction information is generated by using the information on the coding unit neighboring to the current coding unit.

摘要翻译： 一种编码图像信息的方法包括：通过预测关于当前编码单元的信息来生成预测信息，以及确定关于当前编码单元的信息是否与预测信息相同。 当关于当前编码单元的信息与预测信息相同时，编码并发送指示关于当前编码单元的信息与预测信息相同的标志。 当关于当前编码单元的信息与预测信息不相同时，编码并发送指示关于当前编码单元的信息与预测信息不相同的标志和关于当前编码单元的信息的标志。 在生成预测信息时，通过使用与当前编码单元相邻的编码单元的信息来生成预测信息。

公开(公告)号：US20140037001A1

公开(公告)日：2014-02-06

申请号：US14046025

申请日：2013-10-04

申请人： Sung Chang Lim ,  Hui Yong Kim ,  Se Yoon Jeong ,  Suk Hee Cho ,  Jong Ho Kim ,  Ha Hyun Lee ,  Jin Ho Lee ,  Jin Soo Choi ,  Jin Woong Kim ,  Chie Teuk Ahn

发明人： Sung Chang Lim ,  Hui Yong Kim ,  Se Yoon Jeong ,  Suk Hee Cho ,  Jong Ho Kim ,  Ha Hyun Lee ,  Jin Ho Lee ,  Jin Soo Choi ,  Jin Woong Kim ,  Chie Teuk Ahn

IPC分类号： H04N7/32

摘要： An inter prediction method according to the present invention comprises the steps of: selecting candidate units from among reconstructed neighbor units; creating a candidate unit set with respect to units to be decoded, using the selected candidate units; determining a reference unit from among the candidate units which constitute the created candidate unit set; and performing inter prediction on the units to be decoded, using the determined reference unit. According to the present invention, image encoding/decoding efficiency can be improved.

摘要翻译： 根据本发明的帧间预测方法包括以下步骤：从重构的相邻单元中选择候选单元; 使用所选择的候选单元创建关于要解码的单元设置的候选单元; 从构成所创建的候选单元组的候选单元中确定参考单元; 以及使用所确定的参考单元对要解码的单元执行帧间预测。 根据本发明，可以提高图像编码/解码效率。

公开(公告)号：US20130294522A1

公开(公告)日：2013-11-07

申请号：US13979214

申请日：2012-01-31

申请人： Sung Chang Lim ,  Hui Yong Kim ,  Se Yoon Jeong ,  Suk Hee Cho ,  Dong San Jun ,  Jong Ho Kim ,  Ha Hyun Lee ,  Jin Ho Lee ,  Jin Soo Choi ,  Jin Woong Kim

发明人： Sung Chang Lim ,  Hui Yong Kim ,  Se Yoon Jeong ,  Suk Hee Cho ,  Dong San Jun ,  Jong Ho Kim ,  Ha Hyun Lee ,  Jin Ho Lee ,  Jin Soo Choi ,  Jin Woong Kim

IPC分类号： H04N7/36

CPC分类号： H04N19/513 ,  H04N19/426 ,  H04N19/44 ,  H04N19/61

摘要： The present invention relates to a method and apparatus for encoding/decoding image using a motion vector.According to one embodiment of the present invention, an image-decoding method is provided. The image-decoding method comprises the following steps: clipping a motion vector of a reference picture with a predetermined dynamic range so as to generate a clipped motion vector; storing the clipped motion vector in a buffer; deriving a motion vector of a block to be decoded using the motion vector stored in the buffer; and performing inter-prediction decoding using the motion vector of the block to be decoded. According to the present invention, the size of a memory space required to store a motion vector may be reduced.

摘要翻译： 本发明涉及一种使用运动矢量对图像进行编码/解码的方法和装置。根据本发明的一个实施例，提供了一种图像解码方法。 图像解码方法包括以下步骤：以预定的动态范围剪辑参考图像的运动矢量，以产生剪切的运动矢量; 将剪切的运动矢量存储在缓冲器中; 使用存储在所述缓冲器中的运动矢量导出要解码的块的运动矢量; 以及使用要解码的块的运动矢量执行帧间预测解码。 根据本发明，可以减少存储运动矢量所需的存储器空间的大小。