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公开(公告)号：US10764595B2
公开(公告)日：2020-09-01
申请号：US16007375
申请日：2018-06-13
发明人： Sun-il Lee , Won Woo Ro , Kyungah Kim , Minsik Kim , Chan-yul Kim
IPC分类号： H04N11/02 , H04N19/436 , H04N19/46 , H04N19/172 , H04N19/44 , H04N19/176 , H04N19/119 , H04N19/14
摘要： Provided is an image encoding method including extracting feature points from a picture; generating at least two clusters by performing feature point clustering on the extracted feature points; determining at least two split sections in the picture, the at least two split sections respectively corresponding to the at least two clusters; parallel-encoding the at least two split sections; and generating a bitstream including information about the at least two split sections. A size and a shape of each of the at least two split sections may be individually determined.
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公开(公告)号：US10771820B2
公开(公告)日：2020-09-08
申请号：US16105616
申请日：2018-08-20
发明人： Sun-il Lee , Sangyoun Lee , Sanghoon Lee , Dosik Hwang , Changhyun Park , Sewoong Ahn , Jinseong Jang , Chan-yul Kim , Taeoh Kim , Taejoon Eo , Jongyoo Kim
IPC分类号： H04N19/86 , H04N19/172 , H04N19/186 , H04N19/136
摘要： Provided is an image encoding method including generating a first picture reconstructed by using a residual picture and a predicted picture; generating a second picture by applying a first artifact reduction filter to the first picture; determining a picture having a smaller bit-rate distortion cost from among the first and second pictures by comparing a first bit-rate distortion cost of the first picture with a second bit-rate distortion cost of the second picture; generating a third picture by applying an in-loop filter to the determined picture; generating a fourth picture by applying a second artifact reduction filter to the third picture; determining a picture having smaller distortion from among the third and fourth pictures by comparing first distortion of the third picture with second distortion of the fourth picture; and generating, via a processor, a bitstream including information about whether the second artifact reduction filter is applied.
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公开(公告)号：US09693076B2
公开(公告)日：2017-06-27
申请号：US14591417
申请日：2015-01-07
发明人： Seung-soo Jeong , Won-woo Ro , Ho-cheon Wey , Kyung-ah Kim , Deok-ho Kim , Min-woo Kim , Chan-yul Kim
IPC分类号： H04N19/51 , H04N19/52 , H04N19/537 , H04N19/567
CPC分类号： H04N19/567 , H04N19/51 , H04N19/52 , H04N19/537
摘要： A video encoding and decoding methods and apparatuses for performing the methods thereof are provided. The video encoding method includes: determining a region in a current image having a change in at least one of a scale and an angle with respect to a reference image; generating variation information representing a variation in at least one of the scale and the angle between the region in the current image and a reference region in the reference image corresponding to the region in the current image; and encoding residual information representing a difference between a predicted sample value from the reference image and a sample value of the current image based on the generated variation information.
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4.发明申请VIDEO ENCODING METHOD AND APPARATUS FOR PARALLEL PROCESSING USING REFERENCE PICTURE INFORMATION, AND VIDEO DECODING METHOD AND APPARATUS FOR PARALLEL PROCESSING USING REFERENCE PICTURE INFORMATION 审中-公开使用参考图像信息并行处理的视频编码方法和装置以及使用参考图像信息的并行处理的视频解码方法和装置公开(公告)号：US20150288970A1
公开(公告)日：2015-10-08
申请号：US14432081
申请日：2013-09-30
发明人： Young-o Park , Kwang-pyo Choi , Chan-yul Kim , Byeong-doo Choi , Won-woo Ro , Kyung-ah Kim , Deok-ho Kim , Min-woo Kim
IPC分类号： H04N19/159 , H04N19/124 , H04N19/44 , H04N19/91 , H04N19/51
CPC分类号： H04N19/159 , H04N19/105 , H04N19/124 , H04N19/172 , H04N19/177 , H04N19/31 , H04N19/436 , H04N19/44 , H04N19/51 , H04N19/70 , H04N19/91
摘要： Provided is a video encoding method for a parallel process. The video encoding method includes performing an inter prediction and an intra prediction for pictures included in a group of picture (GOP) and determining an encoding order and reference dependency between the pictures included in the GOP, and generating a predetermined data unit including reference relation information generated based on the encoding order and reference dependency between the pictures included in the GOP.
摘要翻译： 提供了一种用于并行处理的视频编码方法。 视频编码方法包括对包括在一组图像（GOP）中的图像执行帧间预测和帧内预测，并确定包括在GOP中的图像之间的编码顺序和参考相关性，并生成包括参考关系信息的预定数据单元 基于GOP中包含的图像之间的编码顺序和参考依赖关系生成。
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公开(公告)号：US11956419B2
公开(公告)日：2024-04-09
申请号：US16939730
申请日：2020-07-27
发明人： Ki-Ho Choi , Min-woo Park , Elena Alshina , Chan-yul Kim , In-kwon Choi
IPC分类号： H04N19/105 , H04N19/119 , H04N19/122 , H04N19/129 , H04N19/13 , H04N19/176 , H04N19/44 , H04N19/46
CPC分类号： H04N19/105 , H04N19/122 , H04N19/129 , H04N19/13 , H04N19/176 , H04N19/44 , H04N19/119 , H04N19/46
摘要： Provided is a method of decoding a video according to an embodiment, the method including determining at least one processing block for splitting the video; determining an order of determining at least one largest coding unit in the at least one processing block; determining at least one largest coding unit on the basis of the determined order; and decoding the determined at least one largest coding unit, wherein the order is one of a plurality of orders for determining a largest coding unit.
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公开(公告)号：US11924425B2
公开(公告)日：2024-03-05
申请号：US17882236
申请日：2022-08-05
发明人： Min-woo Park , Bo-ra Jin , Chan-yul Kim , Jung-hye Min
IPC分类号： H04N19/11 , H04N19/119 , H04N19/14 , H04N19/167 , H04N19/172 , H04N19/176
CPC分类号： H04N19/119 , H04N19/14 , H04N19/167 , H04N19/172 , H04N19/176
摘要： Provided are a method and apparatus for encoding or decoding a coding unit on an outline of a picture. An image decoding method and apparatus according to an embodiment determine whether a current coding unit extends across an outline of a picture, by comparing a location of the current coding unit in the picture to at least one of a width and a height of the picture, split the current coding unit in at least one direction into a plurality of coding units based on a shape of the current coding unit upon determining that the current coding unit extends across the outline of the picture, obtain block shape information and split type information of the current coding unit from a bitstream and split the current coding unit into a plurality of coding units based on the block shape information and the split type information upon determining that the current coding unit does not extend across the outline of the picture, and decode a coding unit that is no longer split among the plurality of coding units.
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公开(公告)号：US11653006B2
公开(公告)日：2023-05-16
申请号：US17115402
申请日：2020-12-08
发明人： Jung-hye Min , Min-woo Park , Bo-ra Jin , Chan-yul Kim
IPC分类号： H04N19/00 , H04N19/176 , H04N19/119 , H04N19/122 , H04N19/44 , H04N19/463
CPC分类号： H04N19/176 , H04N19/119 , H04N19/122 , H04N19/44 , H04N19/463
摘要： Provided is a method of decoding an image, the method including: determining at least one coding unit for splitting an image, based on block shape information of a current coding unit; determining at least one transformation unit, based on a shape of the current coding unit included in the at least one coding unit; and decoding the image by performing inverse transformation based on the at least one transformation unit, wherein the block shape information indicates whether the current coding unit is a square shape or a non-square shape. Also, provided is an encoding method corresponding to the decoding method. In addition, provided is an encoding apparatus or decoding apparatus capable of performing the encoding or decoding method.
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公开(公告)号：US11405605B2
公开(公告)日：2022-08-02
申请号：US16940986
申请日：2020-07-28
发明人： Yin-ji Piao , Jie Chen , Chan-yul Kim
IPC分类号： H04N19/46 , H04N19/52 , H04N19/70 , H04N19/82 , H04N19/88 , H04N19/96 , H04N19/105 , H04N19/117 , H04N19/119 , H04N19/129 , H04N19/137 , H04N19/159 , H04N19/176 , H04N19/186 , H04N19/583 , H04N19/593
摘要： Provided is a video decoding method including obtaining, from a bitstream, split information indicating whether a current block is to be split; when the split information does not indicate that the current block is to be split, decoding the current block according to encoding information about the current block; and when the split information indicates that the current block is to be split, splitting the current block into at least two lower blocks, obtaining encoding order information indicating an encoding order of the at least two lower blocks of the current block from the bitstream, determining a decoding order of the at least two lower blocks according to the encoding order information, and decoding the at least two lower blocks according to the decoding order.
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公开(公告)号：US20220086465A1
公开(公告)日：2022-03-17
申请号：US17531386
申请日：2021-11-19
发明人： Young-o PARK , II-koo Kim , Chan-yul Kim , Kwang-pyo Choi
IPC分类号： H04N19/19 , H04N19/196 , H04N19/463 , H04N19/58
摘要： Provided are an inter prediction method and a motion compensation method. The inter prediction method includes: performing inter prediction on a current image by using a long-term reference image stored in a decoded picture buffer; determining residual data and a motion vector of the current image generated via the inter prediction; and determining least significant bit (LSB) information as a long-term reference index indicating the long-term reference image by dividing picture order count (POC) information of the long-term reference image into most significant bit (MSB) information and the LSB information.
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公开(公告)号：US11178408B2
公开(公告)日：2021-11-16
申请号：US17115423
申请日：2020-12-08
发明人： Jung-hye Min , Min-woo Park , Bo-ra Jin , Chan-yul Kim
IPC分类号： H04N19/176 , H04N19/119 , H04N19/122 , H04N19/44 , H04N19/463
摘要： Provided is a method of decoding an image, the method including: determining at least one coding unit for splitting an image, based on block shape information of a current coding unit; determining at least one transformation unit, based on a shape of the current coding unit included in the at least one coding unit; and decoding the image by performing inverse transformation based on the at least one transformation unit, wherein the block shape information indicates whether the current coding unit is a square shape or a non-square shape. Also, provided is an encoding method corresponding to the decoding method. In addition, provided is an encoding apparatus or decoding apparatus capable of performing the encoding or decoding method.
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