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公开(公告)号：US09282342B2
公开(公告)日：2016-03-08
申请号：US14821862
申请日：2015-08-10
Applicant: Electronics and Telecommunications Research Institute , Kwangwoon University Industry-Academic Collaboration Foundation , University-Industry Cooperation Group of Kyung Hee University , Korea Advanced Institute of Science and Technology
Inventor： Sung-Chang Lim , Ha Hyun Lee , Hui Yong Kim , Se Yoon Jeong , Suk Hee Cho , Hae Chul Choi , Jong Ho Kim , Jin Ho 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: H04N7/26 , H04N19/625 , H04N19/176 , H04N19/50 , H04N19/124
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.
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公开(公告)号：US20150350683A1
公开(公告)日：2015-12-03
申请号：US14821862
申请日：2015-08-10
Applicant: Electronics and Telecommunications Research Institute , Kwangwoon University Industry-Academic Collaboration Foundation , University-Industry Cooperation Group of Kyung Hee University , Korea Advanced Institute of Science and Technology
Inventor： Sung-Chang Lim , Ha Hyun Lee , Hui Yong Kim , Se Yoon Jeong , Suk Hee Cho , Hae Chul Choi , Jong Ho Kim , Jin Ho 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: H04N19/625 , H04N19/50 , H04N19/124 , H04N19/176
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。
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公开(公告)号：US09148662B2
公开(公告)日：2015-09-29
申请号：US14040132
申请日：2013-09-27
Applicant: Electronics and Telecommunications Research Institute , Kwangwoon University Industry-Academic Collaboration Foundation , University-Industry Cooperation Group of Kyung Hee University , Korea Advanced Institute of Science and Technology
Inventor： Sung-Chang Lim , Ha Hyun Lee , Hui Yong Kim , Se Yoon Jeong , Suk Hee Cho , Hae Chul Choi , Jong Ho Kim , Jin Ho 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: 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.
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34.发明授权公开(公告)号：US12063385B2
公开(公告)日：2024-08-13
申请号：US18347483
申请日：2023-07-05
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: H04N19/52
CPC classification number: H04N19/52
Abstract: An inter prediction method according to the present invention comprises: a step for deriving reference motion information related to a unit to be decoded in a current picture; and a step for performing motion compensation for the unit to be decoded, using the reference motion information that has been derived. According to the present invention, image encoding/decoding efficiency can be enhanced.
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公开(公告)号：US11706449B2
公开(公告)日：2023-07-18
申请号：US17733182
申请日：2022-04-29
Inventor： Jin Ho Lee , Hui Yong Kim , Sung Chang Lim , Jong Ho Kim , Ha Hyun Lee , Jin Soo Choi , Jin Woong Kim
IPC: H04N19/593
CPC classification number: H04N19/593
Abstract: The multi sample prediction method of the present invention comprises the steps of: determining a sample group consisting of a plurality of samples inside a decoding target block; determining a representative position corresponding to the sample group, inside the decoding target block; determining a representative prediction value for the sample group, on the basis of the determined representative position; and determining the determined representative prediction value as the final prediction value for each of the plurality of samples making up the sample group. The present invention enhances efficiency in encoding/decoding and reduces complexity thereof.
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Patent Agency Ranking
公开(公告)号：US11616943B2
公开(公告)日：2023-03-28
申请号：US16896493
申请日：2020-06-09
Inventor： Sung Chang Lim , Jong Ho Kim , Hae Chul Choi , Hui Yong Kim , Ha Hyun Lee , Jin Ho Lee , Se Yoon Jeong , Suk Hee Cho , Jin Soo Choi , Jin Woo Hong , Jin Woong Kim
IPC: H04N19/105 , H04N19/503 , H04N19/176 , H04N19/46 , H04N19/593 , H04N19/11 , H04N19/157
Abstract: Provided are an image encoding method and device. When carrying out image encoding for a block within a slice, at least one block in a restored block of the slice is set as a reference block. When this is done, the encoding parameters of the reference block are distinguished, and the block to be encoded is encoded adaptively based on the encoding parameters.
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公开(公告)号：US11606567B2
公开(公告)日：2023-03-14
申请号：US17377057
申请日：2021-07-15
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: H04B1/66 , H04N19/176 , H04N19/129 , H04N19/136
Abstract: Provided is a transform coefficient scan method including: determining a reference transform block for a decoding target block; deriving a scanning map of the decoding target block using scanning information of the reference transform block; and performing inverse scanning on a transform coefficient of the decoding target block using the derived scanning map. According to the present invention, picture encoding/decoding efficiency may be improved.
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38.发明授权公开(公告)号：US11388393B2
公开(公告)日：2022-07-12
申请号：US17344161
申请日：2021-06-10
Applicant: Electronics and Telecommunications Research Institute , University-Industry Cooperation Group of Kyung Hee University
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: H04N19/10 , H04N19/105 , H04N19/136 , H04N19/196 , H04N19/61 , H04N19/46
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.
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公开(公告)号：US11323704B2
公开(公告)日：2022-05-03
申请号：US16738307
申请日：2020-01-09
Applicant: Electronics and Telecommunications Research Institute , Kwangwoon University Industry-Academic Collaboration Foundation , University-Industry Cooperation Group of Kyung Hee University
Inventor： Sung Chang Lim , Ha Hyun Lee , Se Yoon Jeong , Hui Yong Kim , Suk Hee Cho , Jong Ho Kim , Jin Ho Lee , Jin Soo Choi , Jin Woong Kim , Chie Teuk Ahn , Dong Gyu Sim , Seoung Jun Oh , Gwang Hoon Park , Sea Nae Park , Chan Woong Jeon
IPC: H04N19/117 , H04N19/46 , H04N19/593 , H04N19/132 , H04N19/176 , H04N19/17 , H04N19/50 , H04N19/109 , H04N19/159 , H04N19/174 , H04N19/192 , H04N19/82
Abstract: The present invention relates to an apparatus and method for encoding and decoding an image by skip encoding. The image-encoding method by skip encoding, which performs intra-prediction, comprises: performing a filtering operation on the signal which is reconstructed prior to an encoding object signal in an encoding object image; using the filtered reconstructed signal to generate a prediction signal for the encoding object signal; setting the generated prediction signal as a reconstruction signal for the encoding object signal; and not encoding the residual signal which can be generated on the basis of the difference between the encoding object signal and the prediction signal, thereby performing skip encoding on the encoding object signal.
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40.发明授权公开(公告)号：US11206424B2
公开(公告)日：2021-12-21
申请号：US16887370
申请日：2020-05-29
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: H04N19/52
Abstract: An inter prediction method according to the present invention comprises: a step for deriving reference motion information related to a unit to be decoded in a current picture; and a step for performing motion compensation for the unit to be decoded, using the reference motion information that has been derived. According to the present invention, image encoding/decoding efficiency can be enhanced.
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