公开(公告)号：US10244252B2

公开(公告)日：2019-03-26

申请号：US13979214

申请日：2012-01-31

Applicant: 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

Inventor： 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: H04N19/513 ,  H04N19/61 ,  H04N19/44 ,  H04N19/426

Abstract: 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

Applicant: 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

Inventor： 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: H04N19/176 ,  H04N19/11 ,  H04N19/50 ,  H04N19/147 ,  H04N19/593

CPC classification number: H04N19/50 ,  H04N19/11 ,  H04N19/132 ,  H04N19/147 ,  H04N19/169 ,  H04N19/176 ,  H04N19/46 ,  H04N19/593

Abstract: 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

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

Inventor： 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: H04N19/124 ,  H04N19/186 ,  H04N19/463 ,  H04N19/157

CPC classification number: 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

Abstract: 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.

Abstract translation: 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

Applicant: 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

Inventor： 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: G06K9/36 ,  G06T9/00

CPC classification number: G06T9/00 ,  H04N19/13 ,  H04N19/146 ,  H04N19/157 ,  H04N19/1887 ,  H04N19/196 ,  H04N19/61 ,  H04N19/91

Abstract: 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.

Abstract translation: 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

Applicant: 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

Inventor： 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: G06K9/64 ,  G06T9/00

CPC classification number: G06T9/004 ,  H04N19/105 ,  H04N19/137 ,  H04N19/154 ,  H04N19/176 ,  H04N19/19 ,  H04N19/51 ,  H04N19/593

Abstract: 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.

Abstract translation: 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：US08989262B2

公开(公告)日：2015-03-24

申请号：US13389324

申请日：2010-08-06

Applicant: Sung-Chang Lim ,  Hahyun Lee ,  Hui Yong Kim ,  Se Yoon Jeong ,  Sukhee Cho ,  Hae-Chul Choi ,  Jongho Kim ,  Jinho Lee ,  Jin Soo Choi ,  Jin Woo Hong ,  Dong-Gyu Sim ,  Seoung-Jun Oh ,  Gwang Hoon Park ,  Mun Churl Kim ,  Neung-Joo Hwang ,  Sea-Nae Park

Inventor： Sung-Chang Lim ,  Hahyun Lee ,  Hui Yong Kim ,  Se Yoon Jeong ,  Sukhee Cho ,  Hae-Chul Choi ,  Jongho Kim ,  Jinho Lee ,  Jin Soo Choi ,  Jin Woo Hong ,  Dong-Gyu Sim ,  Seoung-Jun Oh ,  Gwang Hoon Park ,  Mun Churl Kim ,  Neung-Joo Hwang ,  Sea-Nae Park

IPC: H04N7/12 ,  H04N7/26 ,  H04N19/18 ,  H04N19/176 ,  H04N19/60 ,  H04N19/12 ,  H04N19/14 ,  H04N19/182

CPC classification number: H04N19/122 ,  H04N19/107 ,  H04N19/11 ,  H04N19/119 ,  H04N19/12 ,  H04N19/124 ,  H04N19/13 ,  H04N19/139 ,  H04N19/14 ,  H04N19/159 ,  H04N19/176 ,  H04N19/18 ,  H04N19/182 ,  H04N19/44 ,  H04N19/50 ,  H04N19/52 ,  H04N19/55 ,  H04N19/593 ,  H04N19/60 ,  H04N19/615 ,  H04N19/625 ,  H04N19/91

Abstract: Provided is a video encoding apparatus, including a signal separator to separate a differential image block into a first domain and a second domain, based on a boundary line included in the differential image block, the differential image block indicating a difference between an original image and a prediction image with respect to the original image, a transform encoder to perform a transform encoding with respect to the first domain using a discrete cosine transform (DCT), a quantization unit to quantize an output of the transform encoding unit in a frequency domain, a space domain quantization unit to quantize the second domain in a space domain, and an entropy encoder to perform an entropy encoding using outputs of the quantization unit and the space domain quantization unit.

Abstract translation: 提供了一种视频编码装置，其包括信号分离器，用于基于包含在差分图像块中的边界线将差分图像块分离成第一域和第二域，差分图像块指示原始图像和 相对于原始图像的预测图像，使用离散余弦变换（DCT）对相对于第一域执行变换编码的变换编码器，用于量化频域中的变换编码单位的输出的量化单元， 用于量化空间域中的第二域的空间域量化单元和使用量化单元和空间域量化单元的输出执行熵编码的熵编码器。

公开(公告)号：US20140037004A1

公开(公告)日：2014-02-06

申请号：US14044542

申请日：2013-10-02

Applicant: 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

Inventor： 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: H04N7/32

CPC classification number: H04N19/10 ,  H04N19/105 ,  H04N19/136 ,  H04N19/196 ,  H04N19/197 ,  H04N19/46 ,  H04N19/61

Abstract: 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.

Abstract translation: 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

Applicant: 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

Inventor： 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: H04N7/32

Abstract: 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.

Abstract translation: 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

Applicant: 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

Inventor： 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: H04N7/36

CPC classification number: H04N19/513 ,  H04N19/426 ,  H04N19/44 ,  H04N19/61

Abstract: 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.

Abstract translation: 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。

公开(公告)号：US20130287104A1

公开(公告)日：2013-10-31

申请号：US13977520

申请日：2011-12-30

Applicant: 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

Inventor： 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: H04N7/32

CPC classification number: H04N19/10 ,  H04N19/105 ,  H04N19/196 ,  H04N19/197 ,  H04N19/61

Abstract: Disclosed herein is a method for coding image information, including: 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, wherein 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, and when the information on the current coding unit is not the same as the prediction information, the 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.

Abstract translation: 本文公开了一种图像信息编码方法，包括：通过预测当前编码单元的信息来产生预测信息; 以及确定关于当前编码单元的信息是否与预测信息相同，其中当关于当前编码单元的信息与预测信息相同时，指示关于当前编码单元的信息与 预测信息被编码和发送，当当前编码单元的信息与预测信息不相同时，指示当前编码单元的信息与预测信息不相同的标志和关于该预测信息的信息 当前编码单元被编码和发送。