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公开(公告)号：US20140204998A1
公开(公告)日：2014-07-24
申请号：US14220724
申请日：2014-03-20
Inventor： Jin Ho LEE , Hui Yong KIM , Sung Chang LIM , Jin Soo CHOI , Jin Woong KIM
IPC: H04N19/105 , H04N19/176 , H04N19/159
CPC classification number: H04N19/593 , H04N19/105 , H04N19/11 , H04N19/117 , H04N19/122 , H04N19/136 , H04N19/137 , H04N19/157 , H04N19/159 , H04N19/176 , H04N19/182 , H04N19/44 , H04N19/80 , H04N19/82 , H04N19/96
Abstract: According to the present invention, an image encoding/decoding method comprises the steps of: performing an intra prediction on a current block so as to generate a prediction block; performing filtering on a filtering target pixel in the prediction block on the basis of the intra prediction mode of the current block so as to generate a final prediction block; and generating a reconstructed block on the basis of a reconstructed differential block corresponding to the current block and on the final prediction block. According to the present invention, image encoding/decoding efficiency can be improved.
Abstract translation: 根据本发明，图像编码/解码方法包括以下步骤：对当前块执行帧内预测，以产生预测块; 基于当前块的帧内预测模式对预测块中的滤波目标像素进行滤波，以生成最终预测块; 并且基于与当前块对应的重构差分块和最终预测块来生成重建块。 根据本发明，可以提高图像编码/解码效率。
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公开(公告)号：US20140010283A1
公开(公告)日：2014-01-09
申请号：US13959885
申请日：2013-08-06
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: H04N7/26
CPC classification number: H04N19/105 , H04N19/176 , H04N19/593
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.
Abstract translation: 提供了一种图像编码方法和装置。 当对片内的块进行图像编码时，片的恢复块中的至少一个块被设置为参考块。 当这样做时，参考块的编码参数被区分，并且要编码的块基于编码参数自适应地编码。
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公开(公告)号：US20250133221A1
公开(公告)日：2025-04-24
申请号：US18912827
申请日：2024-10-11
Applicant: Electronics and Telecommunications Research Institute , UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY
Inventor： JooYoung LEE , Youn Hee KIM , Se Yoon JEONG , Jin Soo CHOI , Jung Won KANG , Hui Yong KIM , Hye Won JEONG , Seung Hwan JANG , Yeong Woong KIM , Jang Hyun YU
IPC: H04N19/169 , G06V10/77 , G06V10/82 , H04N19/124 , H04N19/13 , H04N19/189 , H04N19/30 , H04N19/70
Abstract: A device for decoding a feature map according to the present disclosure comprises an image decoding unit to decode an image from a bitstream; an inverse format conversion unit to restore a feature map latent representation by converting a formation of a decoded image; and a feature map restoration unit to restore a multi-layer feature map from the feature map latent representation. Here, the feature map restoration unit restores the multi-layer feature map based on a learned neural network parameter.
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154.发明申请公开(公告)号：US20250133211A1
公开(公告)日：2025-04-24
申请号：US19002909
申请日：2024-12-27
Inventor： Seung Hyun CHO , Sung Chang LIM , Jung Won KANG , Hyun Suk KO , Jin Ho LEE , Ha Hyun LEE , Dong San JUN , Hui Yong KIM , Jin Soo CHOI
IPC: H04N19/129 , H04N19/105 , H04N19/11 , H04N19/119 , H04N19/13 , H04N19/132 , H04N19/159 , H04N19/18 , H04N19/513 , H04N19/91 , H04N19/96
Abstract: The present invention relates to a method for encoding and decoding an image. For this, a method for decoding an image may include: entropy-decoding a bitstream; determining a scanning unit and a scanning order of the transform coefficients of the current block; scanning and aligning the transform coefficients of the current block based on the determined scanning unit and scanning order; and performing inverse-transform for the aligned transform coefficients.
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公开(公告)号：US20250071294A1
公开(公告)日：2025-02-27
申请号：US18947251
申请日：2024-11-14
Applicant: Electronics and Telecommunications Research Institute , Kwangwoon University Industry-Academic Collaboration Foundation , University-Industry Cooperation Group of Kyung Hee University
Inventor： Hae Chul CHOI , Se Yoon JEONG , Sung-Chang LIM , Jin Soo CHOI , Jin Woo HONG , Dong Gyu SIM , Seoung-Jun OH , Chang-Beom AHN , Gwang Hoon PARK , Seung Ryong KOOK , Sea-Nae PARK , Kwang-Su JEONG
IPC: H04N19/159 , H04N19/105 , H04N19/11 , H04N19/117 , H04N19/124 , H04N19/132 , H04N19/147 , H04N19/172 , H04N19/176 , H04N19/182 , H04N19/43 , H04N19/44 , H04N19/50 , H04N19/51 , H04N19/587 , H04N19/593 , H04N19/61 , H04N19/615 , H04N19/625 , H04N19/70 , H04N19/91
Abstract: The present invention relates to an image encoding and decoding technique, and more particularly, to an image encoder and decoder using unidirectional prediction. The image encoder includes a dividing unit to divide a macro block into a plurality of sub-blocks, a unidirectional application determining unit to determine whether an identical prediction mode is applied to each of the plurality of sub-blocks, and a prediction mode determining unit to determine a prediction mode with respect to each of the plurality of sub-blocks based on a determined result of the unidirectional application determining unit.
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Patent Agency Ranking
公开(公告)号：US20250054118A1
公开(公告)日：2025-02-13
申请号：US18797916
申请日：2024-08-08
Inventor： Youn Hee KIM , JooYoung LEE , Se Yoon JEONG , Jin Soo CHOI , Jun Won KANG
Abstract: A feature map decoding method according to the present disclosure may include decoding a metadata and the feature map; performing inverse conversion on a decoded feature map; and restoring features from inverse converted features. Here, a feature distortion compensation is performed on at least one of the decoded feature map, the inverse converted features or restored features.
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公开(公告)号：US20240430405A1
公开(公告)日：2024-12-26
申请号：US18824773
申请日：2024-09-04
Applicant: Electronics and Telecommunications Research Institute , University-Industry Cooperation Group of Kyung Hee University
Inventor： Jung Won KANG , Hyun Suk KO , Sung Chang LIM , Jin Ho LEE , Dong San JUN , Hui Yong KIM , Gwang Hoon PARK , Jin Soo CHOI , Tae Hyun KIM , Dae Young LEE , Young Su HEO
IPC: H04N19/105 , G06T3/02 , G06T5/50 , G06T5/80 , G06T7/246 , H04N19/137 , H04N19/139 , H04N19/159 , H04N19/172 , H04N19/174 , H04N19/176 , H04N19/51 , H04N19/513
Abstract: The present invention relates to a method and apparatus for video encoding/decoding by using a geometric modified picture. The encoding method according to the present invention includes: generating a geometric modified picture by geometrically modifying a reference picture; and generating a first prediction block of a current block by performing inter prediction referencing the geometric modified picture.
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158.发明公开公开(公告)号：US20240340440A1
公开(公告)日：2024-10-10
申请号：US18746655
申请日：2024-06-18
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：US20240291969A1
公开(公告)日：2024-08-29
申请号：US18654752
申请日：2024-05-03
Inventor： Ha Hyun LEE , Hui Yong KIM , Sung Chang LIM , Jong Ho KIM , Jin Ho LEE , Se Yoon JEONG , Suk Hee CHO , Jin Soo CHOI , Jin Woong KIM , Chie Teuk AHN
IPC: H04N19/107 , H04N19/105 , H04N19/109 , H04N19/11 , H04N19/13 , H04N19/137 , H04N19/157 , H04N19/159 , H04N19/169 , H04N19/176 , H04N19/196 , H04N19/50 , H04N19/513 , H04N19/52 , H04N19/593 , H04N19/61 , H04N19/70 , H04N19/91
CPC classification number: H04N19/107 , H04N19/105 , H04N19/109 , H04N19/11 , H04N19/13 , H04N19/137 , H04N19/157 , H04N19/159 , H04N19/176 , H04N19/1887 , H04N19/196 , H04N19/50 , H04N19/52 , H04N19/521 , H04N19/593 , H04N19/61 , H04N19/70 , H04N19/91
Abstract: Disclosed herein is an intra prediction method including: deriving neighbor prediction mode information from a left neighbor prediction mode and an upper neighbor prediction mode; deriving an intra prediction mode for a decoding target unit by using the derived neighbor prediction mode information; and performing intra prediction on the decoding target unit based on the intra prediction mode. According to exemplary embodiments of the present invention, image encoding/decoding efficiency can be improved.
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公开(公告)号：US20240283922A1
公开(公告)日：2024-08-22
申请号：US18644668
申请日：2024-04-24
Applicant: Electronics and Telecommunications Research Institute , University-Industry Cooperation Group of Kyung Hee University
Inventor： Hui Yong KIM , Gwang Hoon PARK , Kyung Yong KIM , Sung Chang LIM , Jin Ho LEE , Jin Soo CHOI , Jin Woong KIM
IPC: H04N19/11 , H04N19/12 , H04N19/129 , H04N19/159 , H04N19/176 , H04N19/18 , H04N19/186 , H04N19/61 , H04N19/96
CPC classification number: H04N19/11 , H04N19/12 , H04N19/129 , H04N19/159 , H04N19/176 , H04N19/18 , H04N19/186 , H04N19/61 , H04N19/96
Abstract: An encoding method and decoding method, and a device implementing the same are provided. The encoding method obtains an intra prediction mode related to a current block from a video signal, obtains prediction samples of the current block by performing intra prediction on the current block based on the intra prediction mode, scans transform coefficients of the current block based on a scanning type of the current block, obtains dequantized transform coefficients of the current block by dequantizing the transform coefficients, obtains residual samples of the current block by performing an inverse-transform on the dequantized transform coefficients, the inverse-transform being performed in a horizontal direction and a vertical direction, reconstructs the current block using the residual samples and the prediction samples, and applies a deblocking filter on the reconstructed current block.
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