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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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18-08-2023 дата публикации

IMAGE ENCODING/DECODING METHOD AND RECORDING MEDIUM USED THEREFOR

Номер: CN116614641A
Автор: LIM SUNG CHANG, KANG JUNG WON, KO HYUN SUK, LEE HA HYUN, JUN DONG SAN, LEE JIN HO, CHO SEUNG HYUN, KIM HUI YONG, CHOI JIN SOO
Принадлежит:

The present invention relates to an image encoding/decoding method and a recording medium for the same. An image decoding method thereof may comprise the steps of: generating a merge candidate list of a current block, the merge candidate list of the current block including at least one merge candidate among merge candidates respectively corresponding to a plurality of reference picture lists; determining at least one piece of motion information by using the merge candidate; and generating a prediction block of the current block by using the determined at least one piece of motion information.

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Номер записи: 1
18-08-2023 дата публикации

IMAGE ENCODING/DECODING METHOD AND RECORDING MEDIUM USED THEREFOR

Номер: CN116614638A
Автор: LIM SUNG CHANG, KANG JUNG WON, KO HYUN SUK, LEE HA HYUN, JUN DONG SAN, LEE JIN HO, CHO SEUNG HYUN, KIM HUI YONG, CHOI JIN SOO
Принадлежит:

The present invention relates to an image encoding/decoding method and a recording medium for the same. An image decoding method thereof may comprise the steps of: generating a merge candidate list of a current block, the merge candidate list of the current block including at least one merge candidate among merge candidates respectively corresponding to a plurality of reference picture lists; determining at least one piece of motion information by using the merge candidate; and generating a prediction block of the current block by using the determined at least one piece of motion information.

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Номер записи: 2
02-05-2023 дата публикации

IMAGE ENCODING/DECODING METHOD AND APPARATUS USING IN-LOOP FILTERING

Номер: CN116055748A
Автор: LIM SUNG-CHANG, KANG JUNG-WON, LEE HA-HYUN, JUN DONG SAN, KO HYUN SUK, LEE JIN-HO, KIM HUI YONG
Принадлежит:

The present invention provides an image encoding/decoding method and apparatus using in-loop filtering, in which the image encoding/decoding method and apparatus employ a plurality of filters in order to reduce computational complexity, required memory capacity and memory access bandwidth. An image decoding method according to the present disclosure comprises: a step of decoding filter information on a coding unit; a step of classifying the coding units by a block classification unit; and a step of filtering the coding units classified by the block classification unit by using the filter information.

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Номер записи: 3
07-04-2023 дата публикации

METHOD AND APPARATUS FOR ENCODING AND DECODING VIDEO BY USING PREDICTION

Номер: CN115941948A
Автор: LIM SUNG-CHANG, KO HYUN-SUK, KANG JUNG-WON, LEE JIN-HO, JUN DONG SAN, KIM HUI YONG, JEON BYEUNG-WOO, KIM NAM-UK, JEON SEUNG-SU, CHOI JIN-SOO
Принадлежит:

Disclosed are a method and apparatus for encoding and decoding a video by using prediction. In a process of encoding the current block, a residual signal of the current block is generated based on the current block, the first prediction, and the second prediction. In addition, information on a residual signal encoded by encoding the residual signal is generated. In a process of decoding a current block, a recovered residual signal of the current block is generated. A restored block of the current block is generated based on the reconstructed residual signal, the second prediction, and the first prediction.

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Номер записи: 4
25-08-2023 дата публикации

Video encoding/decoding method and apparatus, and recording medium storing bit stream

Номер: CN116647677A
Автор: LEE JIN HO, KANG JUNG WON, KO HYUN SUK, LIM SUNG CHANG, LEE HA HYUN, JUN DONG SAN, CHO SEUNG HYUN, KIM HUI YONG, CHOI HAE-CHUL, BACK A-RAM, CHOI JIN SOO, KIM JAE-GON
Принадлежит:

Provided are a video encoding/decoding method and apparatus, and a recording medium storing a bitstream. A video decoding method performed by a video decoding device according to the present invention comprises the steps of: decoding an indicator indicating whether partition data of a current block is derived from partition data of a corresponding block of the current block; obtaining partition data of the current block based on the decoded indicator; and partitioning the current block based on the obtained partitioning data.

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Номер записи: 5
18-08-2023 дата публикации

IMAGE ENCODING/DECODING METHOD AND RECORDING MEDIUM USED THEREFOR

Номер: CN116614640A
Автор: LIM SUNG CHANG, KANG JUNG WON, KO HYUN SUK, LEE HA HYUN, JUN DONG SAN, LEE JIN HO, CHO SEUNG HYUN, KIM HUI YONG, CHOI JIN SOO
Принадлежит:

The present invention relates to an image encoding/decoding method and a recording medium for the same. An image decoding method thereof may comprise the steps of: generating a merge candidate list of a current block, the merge candidate list of the current block including at least one merge candidate among merge candidates respectively corresponding to a plurality of reference picture lists; determining at least one piece of motion information by using the merge candidate; and generating a prediction block of the current block by using the determined at least one piece of motion information.

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Номер записи: 6
08-08-2023 дата публикации

IMAGE ENCODING/DECODING METHOD AND RECORDING MEDIUM USED THEREFOR

Номер: CN116567263A
Автор: LIM SUNG-CHANG, KANG JUNG-WON, LEE HA-HYUN, JUN DONG SAN, KO HYUN SUK, LEE JIN-HO, CHO SEUNG HYUN, KIM HUI YONG, CHOI JIN-SOO
Принадлежит:

The present invention relates to an image encoding/decoding method and a recording medium for the same. To this end, a method for decoding an image may comprise the steps of: generating a list of a plurality of motion vector candidates according to an inter prediction direction of a current block; obtaining a plurality of motion vectors for the current block by using the list of the plurality of motion vector candidates; determining a plurality of prediction blocks for the current block by using the plurality of motion vectors; and obtaining a final prediction block for the current block based on the plurality of prediction blocks.

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Номер записи: 7
28-07-2023 дата публикации

Image encoding/decoding method and apparatus, and recording medium storing bit stream

Номер: CN116506605A
Автор: JUN DONG SAN, LEE JIN-HO, KANG JUNG-WON, KO HYUN SUK, LIM SUNG-CHANG, LEE HA-HYUN, CHO SEUNG HYUN, KIM HUI YONG, CHOI JIN-SOO
Принадлежит:

The invention provides an image encoding/decoding method and apparatus, and a recording medium storing a bit stream. An image decoding method according to the present invention comprises the steps of: deriving an intra prediction mode of a current block; selecting at least one reconstructed sample line adjacent to the current block; establishing a reference sample using at least one reconstruction sample included in the at least one reconstruction sample line; and performing intra prediction for the current block based on the intra prediction mode and the reference sample.

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Номер записи: 8
25-07-2023 дата публикации

Image encoding/decoding method and apparatus

Номер: CN116489387A
Автор: JUN DONG SAN, KANG JUNG-WON, KO HYUN SUK, LIM SUNG-CHANG, LEE JIN-HO, LEE HA-HYUN, KIM HUI YONG
Принадлежит:

The present invention relates to an image encoding/decoding method and apparatus. An image decoding method according to the present invention may comprise the steps of: entropy decoding information related to motion compensation based on a merge mode for a current block; deriving a merge candidate for the current block; generating an initial merge candidate list for the current block by using the derived merge candidates; and generating a reconstructed merge candidate list by using the initial merge candidate list.

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Номер записи: 9
08-08-2023 дата публикации

IMAGE ENCODING/DECODING METHOD AND IMAGE DATA TRANSMISSION METHOD

Номер: CN116567222A
Автор: JUN DONG SAN, LEE HA-HYUN, KANG JUNG-WON, KO HYUN SUK, LIM SUNG-CHANG, LEE JIN-HO, CHO SEUNG HYUN, KIM HUI YONG, CHOI JIN-SOO
Принадлежит:

The invention relates to an image encoding/decoding method and an image data transmission method. An image decoding method comprises the steps of: obtaining image information including information related to motion compensation from a bitstream; deriving a merge candidate of the current block; generating a merge candidate list of the current block based on the derived merge candidates; determining motion information of the current block based on the merge candidate list; and generating a prediction block of the current block on the basis of the motion information of the current block, in which the information related to motion compensation includes motion vector resolution information, and in which the motion vector resolution information includes motion vector resolution information. The motion vector resolution information indicates a specific motion vector resolution including an integer pixel resolution, a 1/4 pixel resolution, and a 1/16 pixel resolution among the motion vector resolution ...

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Номер записи: 10
27-06-2023 дата публикации

Image encoding/decoding method and apparatus using sample filtering

Номер: CN116347074A
Автор: LEE JIN-HO, KANG JUNG-WON, LEE HA-HYUN, LIM SUNG-CHANG, KIM HUI YONG
Принадлежит:

Disclosed are an image encoding/decoding method and apparatus using sample filtering. Provided are an image encoding/decoding method and apparatus. An image encoding method of the present disclosure comprises the steps of: determining whether to apply filtering to a sample point to be filtered; determining a filter type based on a result of the determination; and filtering the sample point to be filtered by using the determined filter type.

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Номер записи: 11
23-06-2023 дата публикации

Method and apparatus for filtering

Номер: CN116320496A
Автор: LIM SUNG-CHANG, KANG JUNG-WON, KO HYUN SUK, LEE JIN-HO, LEE HA-HYUN, JUN DONG SAN, CHO SEUNG-HYUN, KIM HUI YONG, LEE YUNG-LYUL, CHOI JUN-WOO, CHOI JIN-SOO, KIM NAM-UK, KIM MYUNG-JUN
Принадлежит:

The invention relates to a method and an apparatus for filtering. A method and apparatus for performing filtering during encoding and decoding of a video are disclosed. The encoding device may perform filtering on the target and may generate filtering information indicating whether filtering is being performed on the target. Further, the encoding device may generate a bitstream including the filtering information. The decoding device may determine whether to perform filtering on the target based on the filtering information, and may perform filtering on the target. The decoding device may receive the filtering information through the bitstream from the encoding device or may derive the filtering information using additional information.

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Номер записи: 12
15-08-2023 дата публикации

IMAGE ENCODING/DECODING DEVICE AND IMAGE DATA TRANSMISSION DEVICE

Номер: CN116600111A
Автор: JUN DONG SAN, LEE HA-HYUN, KANG JUNG-WON, KO HYUN SUK, LIM SUNG-CHANG, LEE JIN-HO, CHO SEUNG HYUN, KIM HUI YONG, CHOI JIN-SOO
Принадлежит:

The invention relates to an image encoding/decoding apparatus and an image data transmission apparatus. The present invention relates to a method for image encoding and decoding. The method for image decoding comprises the steps of: deriving a spatial merge candidate from at least one spatially adjacent block of a current block; deriving a temporal merge candidate from a co-located block of the current block; and generating a prediction block of the current block based on at least one of the derived spatial merge candidate and the temporal merge candidate, in which a reference image of the temporal merge candidate is selected based on a reference image list including a current image of the current block and a reference image list including a collocated image of the collocated block.

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Номер записи: 13
08-08-2023 дата публикации

IMAGE ENCODING/DECODING METHOD AND IMAGE DATA TRANSMISSION METHOD

Номер: CN116567217A
Автор: JUN DONG SAN, LEE HA-HYUN, KANG JUNG-WON, KO HYUN SUK, LIM SUNG-CHANG, LEE JIN-HO, CHO SEUNG HYUN, KIM HUI YONG, CHOI JIN-SOO
Принадлежит:

The invention relates to an image encoding/decoding method and an image data transmission method. An image decoding method comprises the steps of: obtaining image information including information related to motion compensation from a bitstream; determining a prediction mode of the current block; deriving a motion information list including motion information candidates derived on the basis of neighboring blocks of the current block; deriving motion information of the current block based on the motion information list; generating a prediction block of the current block based on the motion information; the motion information candidates include spatial candidates derived on the basis of spatially adjacent blocks, the current block is a square block or a non-square block, the information related to motion compensation includes motion vector accuracy information, and the motion vector accuracy information related to motion compensation is calculated on the basis of the motion information candidates ...

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Номер записи: 14
08-08-2023 дата публикации

IMAGE ENCODING/DECODING METHOD AND RECORDING MEDIUM USED THEREFOR

Номер: CN116567260A
Автор: LIM SUNG-CHANG, KANG JUNG-WON, LEE HA-HYUN, JUN DONG SAN, KO HYUN SUK, LEE JIN-HO, CHO SEUNG HYUN, KIM HUI YONG, CHOI JIN-SOO
Принадлежит:

The present invention relates to an image encoding/decoding method and a recording medium for the same. To this end, a method for decoding an image may comprise the steps of: generating a list of a plurality of motion vector candidates according to an inter prediction direction of a current block; obtaining a plurality of motion vectors for the current block by using the list of the plurality of motion vector candidates; determining a plurality of prediction blocks for the current block by using the plurality of motion vectors; and obtaining a final prediction block for the current block based on the plurality of prediction blocks.

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Номер записи: 15
30-06-2023 дата публикации

Image encoding/decoding method and apparatus using sample filtering

Номер: CN116366845A
Автор: LEE JIN-HO, KANG JUNG-WON, LEE HA-HYUN, LIM SUNG-CHANG, KIM HUI YONG
Принадлежит:

Disclosed are an image encoding/decoding method and apparatus using sample filtering. Provided are an image encoding/decoding method and apparatus. An image encoding method of the present disclosure comprises the steps of: determining whether to apply filtering to a sample point to be filtered; determining a filter type based on a result of the determination; and filtering the sample point to be filtered by using the determined filter type.

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Номер записи: 16
08-08-2023 дата публикации

ENCODING/DECODING APPARATUS AND APPARATUS FOR TRANSMITTING IMAGE DATA

Номер: CN116567225A
Автор: JUN DONG SAN, LEE HA-HYUN, KANG JUNG-WON, KO HYUN SUK, LIM SUNG-CHANG, LEE JIN-HO, CHO SEUNG HYUN, KIM HUI YONG, CHOI JIN-SOO
Принадлежит:

The invention relates to an encoding/decoding apparatus and an apparatus for transmitting image data. A decoding device includes: a memory; and at least one processor connected to the memory, the at least one processor configured to: obtain image information including information related to motion compensation from the bitstream; determining a prediction mode of the current block; deriving a motion information list including motion information candidates derived on the basis of neighboring blocks of the current block; deriving motion information of the current block based on the motion information list; generating a prediction block of the current block based on the motion information; the motion information candidates include spatial candidates derived on the basis of spatially adjacent blocks, the current block is a square block or a non-square block, and the information related to motion compensation includes motion vector accuracy information. And the motion vector precision information ...

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Номер записи: 17
25-07-2023 дата публикации

Method and device for encoding/decoding image

Номер: CN116489346A
Автор: KANG JUNG-WON, KO HYUN SUK, LIM SUNG-CHANG, LEE JIN-HO, JUN DONG SAN, KIM HUI YONG, PARK GWANG-HOON, CHOI JIN-SOO, KIM TAE-HYUN, LEE DAE-YOUNG, HEO YOUNG-SU
Принадлежит:

The invention relates to a method and an apparatus for encoding/decoding an image. The method of decoding an image includes: determining whether a merge mode is applied to a current block; when the merge mode is applied to the current block, determining whether geometric modification information is used for inter prediction of the current block based on geometric modification usage information of the current block; and when the geometric modification use information indicates that the geometric modification information is used for inter prediction of the current block, obtaining a prediction block of the current block within the decoding target picture by performing inter prediction based on the reference picture and the geometric modification information, wherein the geometric modification information is derived from merge candidates among a merge candidate list of the current block, and the merge candidate list includes at least one spatial merge candidate derived by at least one neighboring ...

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Номер записи: 18
23-06-2023 дата публикации

Method and apparatus for filtering

Номер: CN116320493A
Автор: LIM SUNG-CHANG, KANG JUNG-WON, KO HYUN SUK, LEE JIN-HO, LEE HA-HYUN, JUN DONG SAN, CHO SEUNG-HYUN, KIM HUI YONG, LEE YUNG-LYUL, CHOI JUN-WOO, CHOI JIN-SOO, KIM NAM-UK, KIM MYUNG-JUN
Принадлежит:

The invention relates to a method and an apparatus for filtering. A method and apparatus for performing filtering during encoding and decoding of a video are disclosed. The encoding device may perform filtering on the target and may generate filtering information indicating whether filtering is being performed on the target. Further, the encoding device may generate a bitstream including the filtering information. The decoding device may determine whether to perform filtering on the target based on the filtering information, and may perform filtering on the target. The decoding device may receive the filtering information through the bitstream from the encoding device or may derive the filtering information using additional information.

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Номер записи: 19
30-06-2023 дата публикации

Image encoding/decoding method and apparatus using sample filtering

Номер: CN116366842A
Автор: LEE JIN-HO, KANG JUNG-WON, LEE HA-HYUN, LIM SUNG-CHANG, KIM HUI YONG
Принадлежит:

Disclosed are an image encoding/decoding method and apparatus using sample filtering. Provided are an image encoding/decoding method and apparatus. An image encoding method of the present disclosure comprises the steps of: determining whether to apply filtering to a sample point to be filtered; determining a filter type based on a result of the determination; and filtering the sample point to be filtered by using the determined filter type.

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Номер записи: 20
08-08-2023 дата публикации

IMAGE ENCODING/DECODING DEVICE AND IMAGE DATA TRANSMISSION DEVICE

Номер: CN116567220A
Автор: JUN DONG SAN, LEE HA-HYUN, KANG JUNG-WON, KO HYUN SUK, LIM SUNG-CHANG, LEE JIN-HO, CHO SEUNG HYUN, KIM HUI YONG, CHOI JIN-SOO
Принадлежит:

The invention relates to an image encoding/decoding apparatus and an image data transmission apparatus. The present invention relates to a method for image encoding and decoding. The method for image decoding comprises the steps of: deriving a spatial merge candidate from at least one spatially adjacent block of a current block; deriving a temporal merge candidate from a co-located block of the current block; and generating a prediction block of the current block based on at least one of the derived spatial merge candidate and the temporal merge candidate, in which a reference image of the temporal merge candidate is selected based on a reference image list including a current image of the current block and a reference image list including a collocated image of the collocated block.

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Номер записи: 21
25-04-2023 дата публикации

METHOD AND APPARATUS FOR ENCODING AND DECODING VIDEO BY USING PREDICTION

Номер: CN116016912A
Автор: LIM SUNG-CHANG, KO HYUN-SUK, KANG JUNG-WON, LEE JIN-HO, JUN DONG SAN, KIM HUI YONG, JEON BYEUNG-WOO, KIM NAM-UK, JEON SEUNG-SU, CHOI JIN-SOO
Принадлежит:

Disclosed are a method and apparatus for encoding and decoding a video by using prediction. In a process of encoding the current block, a residual signal of the current block is generated based on the current block, the first prediction, and the second prediction. In addition, information on a residual signal encoded by encoding the residual signal is generated. In a process of decoding a current block, a recovered residual signal of the current block is generated. A restored block of the current block is generated based on the reconstructed residual signal, the second prediction, and the first prediction.

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Номер записи: 22
25-04-2023 дата публикации

METHOD AND APPARATUS FOR ENCODING AND DECODING VIDEO BY USING PREDICTION

Номер: CN116016911A
Автор: LIM SUNG-CHANG, KO HYUN-SUK, KANG JUNG-WON, LEE JIN-HO, JUN DONG SAN, KIM HUI YONG, JEON BYEUNG-WOO, KIM NAM-UK, JEON SEUNG-SU, CHOI JIN-SOO
Принадлежит:

Disclosed are a method and apparatus for encoding and decoding a video by using prediction. In a process of encoding the current block, a residual signal of the current block is generated based on the current block, the first prediction, and the second prediction. In addition, information on a residual signal encoded by encoding the residual signal is generated. In a process of decoding a current block, a recovered residual signal of the current block is generated. A restored block of the current block is generated based on the reconstructed residual signal, the second prediction, and the first prediction.

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Номер записи: 23
01-08-2023 дата публикации

Image encoding/decoding method and apparatus, and recording medium storing bit stream

Номер: CN116527887A
Автор: JUN DONG SAN, LEE JIN HO, KANG JUNG WON, KO HYUN SUK, LIM SUNG CHANG, LEE HA HYUN, CHO SEUNG HYUN, KIM HUI YONG, CHOI JIN SOO
Принадлежит:

The invention provides an image encoding/decoding method and apparatus, and a recording medium storing a bit stream. An image decoding method according to the present invention comprises the steps of: deriving an intra prediction mode of a current block; selecting at least one reconstructed sample line adjacent to the current block; establishing a reference sample using at least one reconstruction sample included in the at least one reconstruction sample line; and performing intra prediction for the current block based on the intra prediction mode and the reference sample.

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Номер записи: 24
08-08-2023 дата публикации

IMAGE ENCODING/DECODING METHOD AND IMAGE DATA TRANSMISSION METHOD

Номер: CN116567214A
Автор: JUN DONG SAN, LEE HA-HYUN, KANG JUNG-WON, KO HYUN SUK, LIM SUNG-CHANG, LEE JIN-HO, CHO SEUNG HYUN, KIM HUI YONG, CHOI JIN-SOO
Принадлежит:

The invention relates to an image encoding/decoding method and an image data transmission method. The present invention relates to a method for image encoding and decoding. The method for image decoding comprises the steps of: deriving a spatial merge candidate from at least one spatially adjacent block of a current block; deriving a temporal merge candidate from a co-located block of the current block; and generating a prediction block of the current block based on at least one of the derived spatial merge candidate and the temporal merge candidate, in which a reference image of the temporal merge candidate is selected based on a reference image list including a current image of the current block and a reference image list including a collocated image of the collocated block.

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Номер записи: 25
04-04-2023 дата публикации

Image encoding/decoding method

Номер: CN115914625A
Автор: JUN DONG SAN, LEE JIN-HO, KANG JUNG-WON, KO HYUN SUK, LIM SUNG-CHANG, LEE HA-HYUN, CHO SEUNG HYUN, KIM HUI YONG, CHOI JIN-SOO
Принадлежит:

An image encoding/decoding method is provided. The invention relates to a method for realizing motion compensation by using motion vector prediction. An image decoding method for the method may comprise the steps of: obtaining a residual signal for quantization of a current block; performing inverse quantization on the quantized residual signal; and determining a transformation scheme for inversely transforming the residual signal. The inverse transform includes a first transform and a second transform, and at least one of a first transform scheme and a second transform scheme may be derived from a decoded reconstructed block around the current block.

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Номер записи: 26
08-08-2023 дата публикации

IMAGE ENCODING/DECODING METHOD AND IMAGE DATA TRANSMISSION METHOD

Номер: CN116567224A
Автор: JUN DONG SAN, LEE HA-HYUN, KANG JUNG-WON, KO HYUN SUK, LIM SUNG-CHANG, LEE JIN-HO, CHO SEUNG HYUN, KIM HUI YONG, CHOI JIN-SOO
Принадлежит:

The invention relates to an image encoding/decoding method and an image data transmission method. The present invention relates to a method for image encoding and decoding. The method for image decoding comprises the steps of: deriving a spatial merge candidate from at least one spatially adjacent block of a current block; deriving a temporal merge candidate from a co-located block of the current block; and generating a prediction block of the current block based on at least one of the derived spatial merge candidate and the temporal merge candidate, in which a reference image of the temporal merge candidate is selected based on a reference image list including a current image of the current block and a reference image list including a collocated image of the collocated block.

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Номер записи: 27
25-04-2023 дата публикации

Image encoding/decoding method

Номер: CN116016910A
Автор: JUN DONG SAN, LEE JIN-HO, KANG JUNG-WON, KO HYUN SUK, LIM SUNG-CHANG, LEE HA-HYUN, CHO SEUNG HYUN, KIM HUI YONG, CHOI JIN-SOO
Принадлежит:

An image encoding/decoding method is provided. The invention relates to a method for realizing motion compensation by using motion vector prediction. An image decoding method for the method may comprise the steps of: obtaining a residual signal for quantization of a current block; performing inverse quantization on the quantized residual signal; and determining a transformation scheme for inversely transforming the residual signal. The inverse transform includes a first transform and a second transform, and at least one of a first transform scheme and a second transform scheme may be derived from a decoded reconstructed block around the current block.

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Номер записи: 28
25-08-2023 дата публикации

Video encoding/decoding method, video encoding/decoding device, and recording medium for storing bit stream

Номер: CN116647679A
Автор: CHO SEUNG HYUN, KANG JUNG WON, KO HYUN SUK, LIM SUNG CHANG, LEE JIN HO, LEE HA HYUN, JUN DONG SAN, KIM HUI YONG, JEON BYEUNGWOO, KIM NAM-UK, JEON SEUNG-SU, CHOI JIN SOO
Принадлежит:

The invention relates to a video encoding/decoding method, a video encoding/decoding device, and a recording medium for storing a bitstream. A video decoding method according to the present invention comprises: a step for decoding a prediction mode index; a step of determining whether the prediction mode index indicates function-based intra prediction; a step of deriving a parameter for generating the function in a case where the prediction mode index indicates the function-based intra prediction; a step of generating a function on the basis of the derived parameter; and a step of performing intra prediction using the generated function.

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Номер записи: 29
11-07-2023 дата публикации

通过使用预测对视频进行编码和解码的方法和装置

Номер: CN115941949A9
Автор: 林成昶, 高现硕, 姜晶媛, 李镇浩, 全东山, 金晖容, 全炳宇, 金男昱, 田丞秀, 崔振秀
Принадлежит:

... 公开了一种通过使用预测对视频进行编码和解码的方法和装置。在对当前块进行编码的过程中，基于当前块、第一预测和第二预测来产生当前块的残差信号。另外，产生关于通过对残差信号进行编码而被编码的残差信号的信息。在对当前块进行解码的过程中，产生当前块的恢复的残差信号。基于重建残差信号、第二预测和第一预测来产生当前块的恢复块。 ...

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Номер записи: 30
16-06-2023 дата публикации

通过使用预测对视频进行编码和解码的方法和装置

Номер: CN115733979A9
Автор: 林成昶, 高现硕, 姜晶媛, 李镇浩, 全东山, 金晖容, 全炳宇, 金男昱, 田丞秀, 崔振秀
Принадлежит:

... 公开了一种通过使用预测对视频进行编码和解码的方法和装置。在对当前块进行编码的过程中，基于当前块、第一预测和第二预测来产生当前块的残差信号。另外，产生关于通过对残差信号进行编码而被编码的残差信号的信息。在对当前块进行解码的过程中，产生当前块的恢复的残差信号。基于重建残差信号、第二预测和第一预测来产生当前块的恢复块。 ...

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Номер записи: 31
08-08-2023 дата публикации

ENCODING/DECODING APPARATUS AND APPARATUS FOR TRANSMITTING IMAGE DATA

Номер: CN116567212A
Автор: JUN DONG SAN, LEE HA-HYUN, KANG JUNG-WON, KO HYUN SUK, LIM SUNG-CHANG, LEE JIN-HO, CHO SEUNG HYUN, KIM HUI YONG, CHOI JIN-SOO
Принадлежит:

The invention relates to an encoding/decoding apparatus and an apparatus for transmitting image data. A decoding device includes: a memory; and at least one processor connected to the memory, the at least one processor configured to: obtain image information including information related to motion compensation from the bitstream; determining a prediction mode of the current block; deriving a motion information list including motion information candidates derived on the basis of neighboring blocks of the current block; deriving motion information of the current block based on the motion information list; generating a prediction block of the current block based on the motion information; and generating a reconstructed block on the basis of the prediction block, in which the motion information includes at least one of a motion vector and a reference picture index, and in which the information related to the motion compensation includes motion vector accuracy information, and in which the motion ...

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Номер записи: 32
25-07-2023 дата публикации

Method and device for encoding/decoding image

Номер: CN116489350A
Автор: KANG JUNG-WON, KO HYUN SUK, LIM SUNG-CHANG, LEE JIN-HO, JUN DONG SAN, KIM HUI YONG, PARK GWANG-HOON, CHOI JIN-SOO, KIM TAE-HYUN, LEE DAE-YOUNG, HEO YOUNG-SU
Принадлежит:

The invention relates to a method and an apparatus for encoding/decoding an image. The method of decoding an image includes: determining whether a merge mode is applied to a current block; when the merge mode is applied to the current block, determining whether geometric modification information is used for inter prediction of the current block based on geometric modification usage information of the current block; when the geometric modification use information indicates that the geometric modification information is used for inter prediction of the current block, obtaining a prediction block of the current block within the decoding target picture by performing inter prediction based on the reference picture and the geometric modification information; and obtaining a reconstructed block of the current block by summing the prediction block and the residual block, in which geometric modifications for geometric modification information include affine modifications, and in which the geometric ...

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Номер записи: 33
07-04-2023 дата публикации

IMAGE ENCODING/DECODING METHOD AND APPARATUS USING IN-LOOP FILTERING

Номер: CN115941941A
Автор: LIM SUNG-CHANG, KANG JUNG-WON, LEE HA-HYUN, JUN DONG SAN, KO HYUN SUK, LEE JIN-HO, KIM HUI YONG
Принадлежит:

The present invention provides an image encoding/decoding method and apparatus using in-loop filtering, in which the image encoding/decoding method and apparatus employ a plurality of filters in order to reduce computational complexity, required memory capacity and memory access bandwidth. An image decoding method according to the present disclosure comprises: a step of decoding filter information on a coding unit; a step of classifying the coding units by a block classification unit; and a step of filtering the coding units classified by the block classification unit by using the filter information.

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Номер записи: 34
25-07-2023 дата публикации

Method and device for encoding/decoding image

Номер: CN116489349A
Автор: KANG JUNG-WON, KO HYUN SUK, LIM SUNG-CHANG, LEE JIN-HO, JUN DONG SAN, KIM HUI YONG, PARK GWANG-HOON, CHOI JIN-SOO, KIM TAE-HYUN, LEE DAE-YOUNG, HEO YOUNG-SU
Принадлежит:

The invention relates to a method and an apparatus for encoding/decoding an image. The method of decoding an image includes: determining whether a merge mode is applied to a current block; when the merge mode is applied to the current block, determining whether geometric modification information is used for inter prediction of the current block based on geometric modification usage information of the current block; and when the geometric modification use information indicates that the geometric modification information is used for inter prediction of the current block, obtaining a prediction block of the current block within the decoding target picture by performing inter prediction based on the reference picture and the geometric modification information, and wherein the geometric modification information is derived from merge candidates among a merge candidate list of the current block, and the merge candidate list includes at least one spatial merge candidate derived by at least one ...

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Номер записи: 35
11-04-2023 дата публикации

IMAGE ENCODING/DECODING METHOD AND APPARATUS USING IN-LOOP FILTERING

Номер: CN115955562A
Автор: LIM SUNG-CHANG, KANG JUNG-WON, LEE HA-HYUN, JUN DONG SAN, KO HYUN SUK, LEE JIN-HO, KIM HUI YONG
Принадлежит:

The present invention provides an image encoding/decoding method and apparatus using in-loop filtering, in which the image encoding/decoding method and apparatus employ a plurality of filters in order to reduce computational complexity, required memory capacity and memory access bandwidth. An image decoding method according to the present disclosure comprises: a step of decoding filter information on a coding unit; a step of classifying the coding units by a block classification unit; and a step of filtering the coding units classified by the block classification unit by using the filter information.

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Номер записи: 36
07-04-2023 дата публикации

METHOD AND APPARATUS FOR ENCODING AND DECODING VIDEO BY USING PREDICTION

Номер: CN115941949A
Автор: LIM SUNG-CHANG, KO HYUN-SUK, KANG JUNG-WON, LEE JIN-HO, JUN DONG SAN, KIM HUI YONG, JEON BYEUNG-WOO, KIM NAM-UK, JEON SEUNG-SU, CHOI JIN-SOO
Принадлежит:

Disclosed are a method and apparatus for encoding and decoding a video by using prediction. In a process of encoding the current block, a residual signal of the current block is generated based on the current block, the first prediction, and the second prediction. In addition, information on a residual signal encoded by encoding the residual signal is generated. In a process of decoding a current block, a recovered residual signal of the current block is generated. A restored block of the current block is generated based on the reconstructed residual signal, the second prediction, and the first prediction.

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Номер записи: 37
11-08-2023 дата публикации

IMAGE ENCODING/DECODING METHOD AND RECORDING MEDIUM USED THEREFOR

Номер: CN116582679A
Автор: LIM SUNG-CHANG, KANG JUNG-WON, LEE HA-HYUN, JUN DONG SAN, KO HYUN SUK, LEE JIN-HO, CHO SEUNG HYUN, KIM HUI YONG, CHOI JIN-SOO
Принадлежит:

The present invention relates to an image encoding/decoding method and a recording medium for the same. To this end, a method for decoding an image may comprise the steps of: generating a list of a plurality of motion vector candidates according to an inter prediction direction of a current block; obtaining a plurality of motion vectors for the current block by using the list of the plurality of motion vector candidates; determining a plurality of prediction blocks for the current block by using the plurality of motion vectors; and obtaining a final prediction block for the current block based on the plurality of prediction blocks.

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Номер записи: 38
15-08-2023 дата публикации

ENCODING/DECODING APPARATUS AND APPARATUS FOR TRANSMITTING IMAGE DATA

Номер: CN116600110A
Автор: JUN DONG SAN, LEE HA-HYUN, KANG JUNG-WON, KO HYUN SUK, LIM SUNG-CHANG, LEE JIN-HO, CHO SEUNG HYUN, KIM HUI YONG, CHOI JIN-SOO
Принадлежит:

The invention relates to an encoding/decoding apparatus and an apparatus for transmitting image data. A decoding apparatus for image decoding, the decoding apparatus including: a memory; and at least one processor, the at least one processor connected to the memory, the at least one processor configured to: obtain image information including information related to motion compensation from the bitstream; deriving a merge candidate of the current block; generating a merge candidate list of the current block based on the derived merge candidates; determining motion information of the current block based on the merge candidate list; and generating a prediction block of the current block based on motion information of the current block, where the motion information includes at least one of a motion vector and a reference picture index, and the information related to the motion compensation includes motion vector resolution information, and where the prediction block is generated based on the ...

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Номер записи: 39
25-08-2023 дата публикации

Video encoding/decoding method and apparatus, and recording medium storing bit stream

Номер: CN116647682A
Автор: LEE JIN HO, KANG JUNG WON, KO HYUN SUK, LIM SUNG CHANG, LEE HA HYUN, JUN DONG SAN, CHO SEUNG HYUN, KIM HUI YONG, CHOI HAE-CHUL, BACK A-RAM, CHOI JIN SOO, KIM JAE-GON
Принадлежит:

Provided are a video encoding/decoding method and apparatus, and a recording medium storing a bitstream. A video decoding method performed by a video decoding device according to the present invention comprises the steps of: decoding an indicator indicating whether partition data of a current block is derived from partition data of a corresponding block of the current block; obtaining partition data of the current block based on the decoded indicator; and partitioning the current block based on the obtained partitioning data.

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Номер записи: 40
23-06-2023 дата публикации

Method and apparatus for filtering

Номер: CN116320495A
Автор: LIM SUNG-CHANG, KANG JUNG-WON, KO HYUN SUK, LEE JIN-HO, LEE HA-HYUN, JUN DONG SAN, CHO SEUNG-HYUN, KIM HUI YONG, LEE YUNG-LYUL, CHOI JUN-WOO, CHOI JIN-SOO, KIM NAM-UK, KIM MYUNG-JUN
Принадлежит:

The invention relates to a method and an apparatus for filtering. A method and apparatus for performing filtering during encoding and decoding of a video are disclosed. The encoding device may perform filtering on the target and may generate filtering information indicating whether filtering is being performed on the target. Further, the encoding device may generate a bitstream including the filtering information. The decoding device may determine whether to perform filtering on the target based on the filtering information, and may perform filtering on the target. The decoding device may receive the filtering information through the bitstream from the encoding device or may derive the filtering information using additional information.

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Номер записи: 41
25-07-2023 дата публикации

Method and device for encoding/decoding image

Номер: CN116489348A
Автор: KANG JUNG-WON, KO HYUN SUK, LIM SUNG-CHANG, LEE JIN-HO, JUN DONG SAN, KIM HUI YONG, PARK GWANG-HOON, CHOI JIN-SOO, KIM TAE-HYUN, LEE DAE-YOUNG, HEO YOUNG-SU
Принадлежит:

The invention relates to a method and an apparatus for encoding/decoding an image. The method of decoding an image includes: determining whether a merge mode is applied to a current block; when the merge mode is applied to the current block, determining whether geometric modification information is used for inter prediction of the current block based on geometric modification usage information of the current block; and when the geometric modification use information indicates that the geometric modification information is used for inter prediction of the current block, obtaining a prediction block of the current block within the decoding target picture by performing inter prediction based on the reference picture and the geometric modification information, and wherein the geometric modification information and a reference picture index specifying the reference picture are derived from merge candidates among a merge candidate list of the current block, and the merge candidate list includes ...

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Номер записи: 42
30-06-2023 дата публикации

Image encoding/decoding method and apparatus using sample filtering

Номер: CN116366844A
Автор: LEE JIN-HO, KANG JUNG-WON, LEE HA-HYUN, LIM SUNG-CHANG, KIM HUI YONG
Принадлежит:

Disclosed are an image encoding/decoding method and apparatus using sample filtering. Provided are an image encoding/decoding method and apparatus. An image encoding method of the present disclosure comprises the steps of: determining whether to apply filtering to a sample point to be filtered; determining a filter type based on a result of the determination; and filtering the sample point to be filtered by using the determined filter type.

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Номер записи: 43
08-08-2023 дата публикации

IMAGE ENCODING/DECODING DEVICE AND IMAGE DATA TRANSMISSION DEVICE

Номер: CN116567226A
Автор: JUN DONG SAN, LEE HA-HYUN, KANG JUNG-WON, KO HYUN SUK, LIM SUNG-CHANG, LEE JIN-HO, CHO SEUNG HYUN, KIM HUI YONG, CHOI JIN-SOO
Принадлежит:

The invention relates to an image encoding/decoding apparatus and an image data transmission apparatus. The present invention relates to a method for image encoding and decoding. The method for image decoding comprises the steps of: deriving a spatial merge candidate from at least one spatially adjacent block of a current block; deriving a temporal merge candidate from a co-located block of the current block; and generating a prediction block of the current block based on at least one of the derived spatial merge candidate and the temporal merge candidate, in which a reference image of the temporal merge candidate is selected based on a reference image list including a current image of the current block and a reference image list including a collocated image of the collocated block.

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Номер записи: 44
18-08-2023 дата публикации

IMAGE ENCODING/DECODING METHOD AND RECORDING MEDIUM USED THEREFOR

Номер: CN116614642A
Автор: LIM SUNG CHANG, KANG JUNG WON, KO HYUN SUK, LEE HA HYUN, JUN DONG SAN, LEE JIN HO, CHO SEUNG HYUN, KIM HUI YONG, CHOI JIN SOO
Принадлежит:

The present invention relates to an image encoding/decoding method and a recording medium for the same. An image decoding method thereof may comprise the steps of: generating a merge candidate list of a current block, the merge candidate list of the current block including at least one merge candidate among merge candidates respectively corresponding to a plurality of reference picture lists; determining at least one piece of motion information by using the merge candidate; and generating a prediction block of the current block by using the determined at least one piece of motion information.

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Номер записи: 45
23-06-2023 дата публикации

Method and apparatus for filtering

Номер: CN116320494A
Автор: LIM SUNG-CHANG, KANG JUNG-WON, KO HYUN SUK, LEE JIN-HO, LEE HA-HYUN, JUN DONG SAN, CHO SEUNG-HYUN, KIM HUI YONG, LEE YUNG-LYUL, CHOI JUN-WOO, CHOI JIN-SOO, KIM NAM-UK, KIM MYUNG-JUN
Принадлежит:

The invention relates to a method and an apparatus for filtering. A method and apparatus for performing filtering during encoding and decoding of a video are disclosed. The encoding device may perform filtering on the target and may generate filtering information indicating whether filtering is being performed on the target. Further, the encoding device may generate a bitstream including the filtering information. The decoding device may determine whether to perform filtering on the target based on the filtering information, and may perform filtering on the target. The decoding device may receive the filtering information through the bitstream from the encoding device or may derive the filtering information using additional information.

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Номер записи: 46
25-07-2023 дата публикации

Method and device for encoding/decoding image

Номер: CN116489347A
Автор: KANG JUNG-WON, KO HYUN SUK, LIM SUNG-CHANG, LEE JIN-HO, JUN DONG SAN, KIM HUI YONG, PARK GWANG-HOON, CHOI JIN-SOO, KIM TAE-HYUN, LEE DAE-YOUNG, HEO YOUNG-SU
Принадлежит:

The invention relates to a method and an apparatus for encoding/decoding an image. The method of decoding an image includes: determining whether a merge mode is applied to a current block; when the merge mode is applied to the current block, determining whether geometric modification information is used for inter prediction of the current block based on geometric modification usage information of the current block; when the geometric modification use information indicates that the geometric modification information is used for inter prediction of the current block, obtaining a prediction block of the current block within the decoding target picture by performing inter prediction based on the reference picture and the geometric modification information; and obtaining a reconstructed block of the current block by summing the prediction block and the residual block, in which geometric modifications for geometric modification information include affine modifications, and in which the geometric ...

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Номер записи: 47
11-07-2023 дата публикации

通过使用预测对视频进行编码和解码的方法和装置

Номер: CN115733977A9
Автор: 林成昶, 高现硕, 姜晶媛, 李镇浩, 全东山, 金晖容, 全炳宇, 金男昱, 田丞秀, 崔振秀
Принадлежит:

... 公开了一种通过使用预测对视频进行编码和解码的方法和装置。在对当前块进行编码的过程中，基于当前块、第一预测和第二预测来产生当前块的残差信号。另外，产生关于通过对残差信号进行编码而被编码的残差信号的信息。在对当前块进行解码的过程中，产生当前块的恢复的残差信号。基于重建残差信号、第二预测和第一预测来产生当前块的恢复块。 ...

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Номер записи: 48
25-08-2023 дата публикации

Video encoding/decoding method and apparatus, and recording medium storing bit stream

Номер: CN116647680A
Автор: LEE JIN HO, KANG JUNG WON, KO HYUN SUK, LIM SUNG CHANG, LEE HA HYUN, JUN DONG SAN, CHO SEUNG HYUN, KIM HUI YONG, CHOI HAE-CHUL, BACK A-RAM, CHOI JIN SOO, KIM JAE-GON
Принадлежит:

Provided are a video encoding/decoding method and apparatus, and a recording medium storing a bitstream. A video decoding method performed by a video decoding device according to the present invention comprises the steps of: decoding an indicator indicating whether partition data of a current block is derived from partition data of a corresponding block of the current block; obtaining partition data of the current block based on the decoded indicator; and partitioning the current block based on the obtained partitioning data.

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Номер записи: 49
28-07-2023 дата публикации

Image encoding/decoding method and apparatus, and recording medium storing bit stream

Номер: CN116506607A
Автор: JUN DONG SAN, LEE JIN-HO, KANG JUNG-WON, KO HYUN SUK, LIM SUNG-CHANG, LEE HA-HYUN, CHO SEUNG HYUN, KIM HUI YONG, CHOI JIN-SOO
Принадлежит:

The invention provides an image encoding/decoding method and apparatus, and a recording medium storing a bit stream. An image decoding method according to the present invention comprises the steps of: deriving an intra prediction mode of a current block; selecting at least one reconstructed sample line adjacent to the current block; establishing a reference sample using at least one reconstruction sample included in the at least one reconstruction sample line; and performing intra prediction for the current block based on the intra prediction mode and the reference sample.

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Номер записи: 50
23-06-2023 дата публикации

Method and apparatus for filtering

Номер: CN116320497A
Автор: LIM SUNG-CHANG, KANG JUNG-WON, KO HYUN SUK, LEE JIN-HO, LEE HA-HYUN, JUN DONG SAN, CHO SEUNG-HYUN, KIM HUI YONG, LEE YUNG-LYUL, CHOI JUN-WOO, CHOI JIN-SOO, KIM NAM-UK, KIM MYUNG-JUN
Принадлежит:

The invention relates to a method and an apparatus for filtering. A method and apparatus for performing filtering during encoding and decoding of a video are disclosed. The encoding device may perform filtering on the target and may generate filtering information indicating whether filtering is being performed on the target. Further, the encoding device may generate a bitstream including the filtering information. The decoding device may determine whether to perform filtering on the target based on the filtering information, and may perform filtering on the target. The decoding device may receive the filtering information through the bitstream from the encoding device or may derive the filtering information using additional information.

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Номер записи: 51
18-08-2023 дата публикации

IMAGE ENCODING/DECODING METHOD AND RECORDING MEDIUM USED THEREFOR

Номер: CN116614639A
Автор: LIM SUNG CHANG, KANG JUNG WON, KO HYUN SUK, LEE HA HYUN, JUN DONG SAN, LEE JIN HO, CHO SEUNG HYUN, KIM HUI YONG, CHOI JIN SOO
Принадлежит:

The present invention relates to an image encoding/decoding method and a recording medium for the same. An image decoding method thereof may comprise the steps of: generating a merge candidate list of a current block, the merge candidate list of the current block including at least one merge candidate among merge candidates respectively corresponding to a plurality of reference picture lists; determining at least one piece of motion information by using the merge candidate; and generating a prediction block of the current block by using the determined at least one piece of motion information.

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Номер записи: 52
01-08-2023 дата публикации

Image encoding/decoding method and apparatus, and recording medium storing bit stream

Номер: CN116527888A
Автор: JUN DONG SAN, LEE JIN HO, KANG JUNG WON, KO HYUN SUK, LIM SUNG CHANG, LEE HA HYUN, CHO SEUNG HYUN, KIM HUI YONG, CHOI JIN SOO
Принадлежит:

The invention provides an image encoding/decoding method and apparatus, and a recording medium storing a bit stream. An image decoding method according to the present invention comprises the steps of: deriving an intra prediction mode of a current block; selecting at least one reconstructed sample line adjacent to the current block; establishing a reference sample using at least one reconstruction sample included in the at least one reconstruction sample line; and performing intra prediction for the current block based on the intra prediction mode and the reference sample.

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Номер записи: 53
08-08-2023 дата публикации

IMAGE ENCODING/DECODING METHOD AND IMAGE DATA TRANSMISSION METHOD

Номер: CN116567219A
Автор: JUN DONG SAN, LEE HA-HYUN, KANG JUNG-WON, KO HYUN SUK, LIM SUNG-CHANG, LEE JIN-HO, CHO SEUNG HYUN, KIM HUI YONG, CHOI JIN-SOO
Принадлежит:

The invention relates to an image encoding/decoding method and an image data transmission method. The present invention relates to a method for image encoding and decoding. The method for image decoding comprises the steps of: deriving a spatial merge candidate from at least one spatially adjacent block of a current block; deriving a temporal merge candidate from a co-located block of the current block; and generating a prediction block of the current block based on at least one of the derived spatial merge candidate and the temporal merge candidate, in which a reference image of the temporal merge candidate is selected based on a reference image list including a current image of the current block and a reference image list including a collocated image of the collocated block.

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Номер записи: 54
23-06-2023 дата публикации

Method and apparatus for filtering

Номер: CN116320498A
Автор: LIM SUNG-CHANG, KANG JUNG-WON, KO HYUN SUK, LEE JIN-HO, LEE HA-HYUN, JUN DONG SAN, CHO SEUNG-HYUN, KIM HUI YONG, LEE YUNG-LYUL, CHOI JUN-WOO, CHOI JIN-SOO, KIM NAM-UK, KIM MYUNG-JUN
Принадлежит:

The invention relates to a method and an apparatus for filtering. A method and apparatus for performing filtering during encoding and decoding of a video are disclosed. The encoding device may perform filtering on the target and may generate filtering information indicating whether filtering is being performed on the target. Further, the encoding device may generate a bitstream including the filtering information. The decoding device may determine whether to perform filtering on the target based on the filtering information, and may perform filtering on the target. The decoding device may receive the filtering information through the bitstream from the encoding device or may derive the filtering information using additional information.

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Номер записи: 55
08-08-2023 дата публикации

IMAGE ENCODING/DECODING METHOD AND IMAGE DATA TRANSMISSION METHOD

Номер: CN116567216A
Автор: JUN DONG SAN, LEE HA-HYUN, KANG JUNG-WON, KO HYUN SUK, LIM SUNG-CHANG, LEE JIN-HO, CHO SEUNG HYUN, KIM HUI YONG, CHOI JIN-SOO
Принадлежит:

The invention relates to an image encoding/decoding method and an image data transmission method. An image decoding method comprises the steps of: obtaining image information including information related to motion compensation from a bitstream; determining a prediction mode of the current block; deriving a motion information list including motion information candidates derived on the basis of neighboring blocks of the current block; deriving motion information of the current block based on the motion information list; generating a prediction block of the current block based on the motion information; and generating a reconstructed block on the basis of the prediction block, in which the motion information includes at least one of a motion vector and a reference picture index, and in which the information related to the motion compensation includes motion vector accuracy information, and in which the motion information includes motion vector accuracy information. The motion vector precision ...

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Номер записи: 56
08-08-2023 дата публикации

IMAGE ENCODING/DECODING METHOD AND IMAGE DATA TRANSMISSION METHOD

Номер: CN116567215A
Автор: JUN DONG SAN, LEE HA-HYUN, KANG JUNG-WON, KO HYUN SUK, LIM SUNG-CHANG, LEE JIN-HO, CHO SEUNG HYUN, KIM HUI YONG, CHOI JIN-SOO
Принадлежит:

The invention relates to an image encoding/decoding method and an image data transmission method. The present invention relates to a method for image encoding and decoding. The method for image decoding comprises the steps of: deriving a spatial merge candidate from at least one spatially adjacent block of a current block; deriving a temporal merge candidate from a co-located block of the current block; and generating a prediction block of the current block based on at least one of the derived spatial merge candidate and the temporal merge candidate, in which a reference image of the temporal merge candidate is selected based on a reference image list including a current image of the current block and a reference image list including a collocated image of the collocated block.

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Номер записи: 57
08-08-2023 дата публикации

IMAGE ENCODING/DECODING METHOD AND RECORDING MEDIUM USED THEREFOR

Номер: CN116567261A
Автор: LIM SUNG-CHANG, KANG JUNG-WON, LEE HA-HYUN, JUN DONG SAN, KO HYUN SUK, LEE JIN-HO, CHO SEUNG HYUN, KIM HUI YONG, CHOI JIN-SOO
Принадлежит:

The present invention relates to an image encoding/decoding method and a recording medium for the same. To this end, a method for decoding an image may comprise the steps of: generating a list of a plurality of motion vector candidates according to an inter prediction direction of a current block; obtaining a plurality of motion vectors for the current block by using the list of the plurality of motion vector candidates; determining a plurality of prediction blocks for the current block by using the plurality of motion vectors; and obtaining a final prediction block for the current block based on the plurality of prediction blocks.

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Номер записи: 58
08-08-2023 дата публикации

IMAGE ENCODING/DECODING METHOD AND IMAGE DATA TRANSMISSION METHOD

Номер: CN116567218A
Автор: JUN DONG SAN, LEE HA-HYUN, KANG JUNG-WON, KO HYUN SUK, LIM SUNG-CHANG, LEE JIN-HO, CHO SEUNG HYUN, KIM HUI YONG, CHOI JIN-SOO
Принадлежит:

The invention relates to an image encoding/decoding method and an image data transmission method. An image decoding method comprises the steps of: obtaining image information including information related to motion compensation from a bitstream; deriving a merge candidate of the current block; generating a merge candidate list of the current block based on the derived merge candidates; determining motion information of the current block based on the merge candidate list; and generating a prediction block of the current block based on the motion information of the current block, in which the motion information includes at least one of a motion vector and a reference picture index, and in which the information related to motion compensation includes motion vector resolution information, and in which the prediction block is generated based on the motion information of the current block. The motion vector resolution information indicates a specific motion vector resolution including an integer ...

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Номер записи: 59
11-08-2023 дата публикации

IMAGE ENCODING/DECODING METHOD AND IMAGE DATA TRANSMISSION METHOD

Номер: CN116582668A
Автор: JUN DONG SAN, LEE HA-HYUN, KANG JUNG-WON, KO HYUN SUK, LIM SUNG-CHANG, LEE JIN-HO, CHO SEUNG HYUN, KIM HUI YONG, CHOI JIN-SOO
Принадлежит:

The invention relates to an image encoding/decoding method and an image data transmission method. An image decoding method comprises the steps of: obtaining image information including information related to motion compensation from a bitstream; deriving a merge candidate of the current block; generating a merge candidate list of the current block based on the derived merge candidates; determining motion information of the current block based on the merge candidate list; and generating a prediction block of the current block on the basis of the motion information of the current block, in which the merge candidates include spatial merge candidates derived on the basis of spatially adjacent blocks of the current block, in which the current block is a square block or a non-square block, in which the information related to motion compensation includes motion vector resolution information, and in which the prediction block of the current block is generated on the basis of the motion information ...

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Номер записи: 60
13-08-2021 дата публикации

METHOD AND APPARATUS FOR DERIVING INTRA-PREDICTION MODE

Номер: CN113261286A
Автор: LEE JIN-HO, KANG JUNG-WON, LEE HA-HYUN, LIM SUNG-CHANG, KIM HUI-YONG, 李镇浩, 姜晶媛, 李河贤, 林成昶, 金晖容
Принадлежит:

Provided is an image encoding/decoding method and apparatus. The image decoding method according to the present invention comprises the steps of: deriving an intra-prediction mode of a current block by using an intra-prediction mode of a neighboring block adjacent to the current block; configuring a reference sample for the current block; and performing intra-prediction on the current block by using the intra-prediction mode and the reference sample, wherein the step of deriving the intra-prediction mode of the current block comprises a step of configuring an MPM list on the basis of whether the intra-prediction mode of the current block is a planar mode.

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Номер записи: 61
08-08-2023 дата публикации

IMAGE ENCODING/DECODING DEVICE AND IMAGE DATA TRANSMISSION DEVICE

Номер: CN116567223A
Автор: JUN DONG SAN, LEE HA-HYUN, KANG JUNG-WON, KO HYUN SUK, LIM SUNG-CHANG, LEE JIN-HO, CHO SEUNG HYUN, KIM HUI YONG, CHOI JIN-SOO
Принадлежит:

The invention relates to an image encoding/decoding apparatus and an image data transmission apparatus. The present invention relates to a method for image encoding and decoding. The method for image decoding comprises the steps of: deriving a spatial merge candidate from at least one spatially adjacent block of a current block; deriving a temporal merge candidate from a co-located block of the current block; and generating a prediction block of the current block based on at least one of the derived spatial merge candidate and the temporal merge candidate, in which a reference image of the temporal merge candidate is selected based on a reference image list including a current image of the current block and a reference image list including a collocated image of the collocated block.

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Номер записи: 62
28-07-2023 дата публикации

Image encoding/decoding method and apparatus, and recording medium storing bit stream

Номер: CN116506606A
Автор: JUN DONG SAN, LEE JIN-HO, KANG JUNG-WON, KO HYUN SUK, LIM SUNG-CHANG, LEE HA-HYUN, CHO SEUNG HYUN, KIM HUI YONG, CHOI JIN-SOO
Принадлежит:

The invention provides an image encoding/decoding method and apparatus, and a recording medium storing a bit stream. An image decoding method according to the present invention comprises the steps of: deriving an intra prediction mode of a current block; selecting at least one reconstructed sample line adjacent to the current block; establishing a reference sample using at least one reconstruction sample included in the at least one reconstruction sample line; and performing intra prediction for the current block based on the intra prediction mode and the reference sample.

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Номер записи: 63
30-06-2023 дата публикации

Image encoding/decoding method and apparatus using sample filtering

Номер: CN116366843A
Автор: LEE JIN-HO, KANG JUNG-WON, LEE HA-HYUN, LIM SUNG-CHANG, KIM HUI YONG
Принадлежит:

Disclosed are an image encoding/decoding method and apparatus using sample filtering. Provided are an image encoding/decoding method and apparatus. An image encoding method of the present disclosure comprises the steps of: determining whether to apply filtering to a sample point to be filtered; determining a filter type based on a result of the determination; and filtering the sample point to be filtered by using the determined filter type.

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Номер записи: 64
08-08-2023 дата публикации

ENCODING/DECODING APPARATUS AND APPARATUS FOR TRANSMITTING IMAGE DATA

Номер: CN116567213A
Автор: JUN DONG SAN, LEE HA-HYUN, KANG JUNG-WON, KO HYUN SUK, LIM SUNG-CHANG, LEE JIN-HO, CHO SEUNG HYUN, KIM HUI YONG, CHOI JIN-SOO
Принадлежит:

The invention relates to an encoding/decoding apparatus and an apparatus for transmitting image data. A decoding device includes: a memory; and at least one processor connected to the memory, the at least one processor configured to: obtain image information including information related to motion compensation from the bitstream; deriving a merge candidate of the current block; generating a merge candidate list of the current block based on the derived merge candidates; determining motion information of the current block based on the merge candidate list; and generating a prediction block of the current block on the basis of motion information of the current block, in which the merge candidates include spatial merge candidates derived on the basis of spatial neighboring blocks of the current block, the current block is a square block or a non-square block, and the information related to motion compensation includes motion vector resolution information. And the motion vector resolution information ...

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Номер записи: 65
15-08-2023 дата публикации

IMAGE ENCODING/DECODING METHOD AND IMAGE DATA TRANSMISSION METHOD

Номер: CN116600109A
Автор: JUN DONG SAN, LEE HA-HYUN, KANG JUNG-WON, KO HYUN SUK, LIM SUNG-CHANG, LEE JIN-HO, CHO SEUNG HYUN, KIM HUI YONG, CHOI JIN-SOO
Принадлежит:

The invention relates to an image encoding/decoding method and an image data transmission method. The present invention relates to a method for image encoding and decoding. The method for image decoding comprises the steps of: deriving a spatial merge candidate from at least one spatially adjacent block of a current block; deriving a temporal merge candidate from a co-located block of the current block; and generating a prediction block of the current block based on at least one of the derived spatial merge candidate and the temporal merge candidate, in which a reference image of the temporal merge candidate is selected based on a reference image list including a current image of the current block and a reference image list including a collocated image of the collocated block.

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Номер записи: 66
08-08-2023 дата публикации

IMAGE ENCODING/DECODING METHOD AND RECORDING MEDIUM USED THEREFOR

Номер: CN116567262A
Автор: LIM SUNG-CHANG, KANG JUNG-WON, LEE HA-HYUN, JUN DONG SAN, KO HYUN SUK, LEE JIN-HO, CHO SEUNG HYUN, KIM HUI YONG, CHOI JIN-SOO
Принадлежит:

The present invention relates to an image encoding/decoding method and a recording medium for the same. To this end, a method for decoding an image may comprise the steps of: generating a list of a plurality of motion vector candidates according to an inter prediction direction of a current block; obtaining a plurality of motion vectors for the current block by using the list of the plurality of motion vector candidates; determining a plurality of prediction blocks for the current block by using the plurality of motion vectors; and obtaining a final prediction block for the current block based on the plurality of prediction blocks.

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Номер записи: 67
08-08-2023 дата публикации

IMAGE ENCODING/DECODING METHOD AND IMAGE DATA TRANSMISSION METHOD

Номер: CN116567221A
Автор: JUN DONG SAN, LEE HA-HYUN, KANG JUNG-WON, KO HYUN SUK, LIM SUNG-CHANG, LEE JIN-HO, CHO SEUNG HYUN, KIM HUI YONG, CHOI JIN-SOO
Принадлежит:

The invention relates to an image encoding/decoding method and an image data transmission method. An image decoding method comprises the steps of: obtaining image information including information related to motion compensation from a bitstream; determining a prediction mode of the current block; deriving a motion information list including motion information candidates derived on the basis of neighboring blocks of the current block; deriving motion information of the current block based on the motion information list; generating a prediction block of the current block based on the motion information; a reconstructed block is generated based on the prediction block, in which information related to motion compensation includes motion vector accuracy information.

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Номер записи: 68