KR20220024007A - 부호화 장치, 복호 장치, 부호화 방법, 및 복호 방법 - Google Patents

부호화 장치, 복호 장치, 부호화 방법, 및 복호 방법 Download PDF

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KR20220024007A
KR20220024007A KR1020217040635A KR20217040635A KR20220024007A KR 20220024007 A KR20220024007 A KR 20220024007A KR 1020217040635 A KR1020217040635 A KR 1020217040635A KR 20217040635 A KR20217040635 A KR 20217040635A KR 20220024007 A KR20220024007 A KR 20220024007A
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prediction
encoding
processing
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비르지니 드루젼
다다마사 도마
다카히로 니시
기요후미 아베
유스케 가토
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파나소닉 인텔렉츄얼 프로퍼티 코포레이션 오브 아메리카
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
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    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
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    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/189Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/196Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters
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    • H04N19/17Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
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    • H04N19/184Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being bits, e.g. of the compressed video stream
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    • H04N19/86Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving reduction of coding artifacts, e.g. of blockiness

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  • Signal Processing (AREA)
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  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
KR1020217040635A 2019-06-18 2020-06-18 부호화 장치, 복호 장치, 부호화 방법, 및 복호 방법 Pending KR20220024007A (ko)

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US201962862892P 2019-06-18 2019-06-18
US62/862,892 2019-06-18
PCT/JP2020/023903 WO2020256048A1 (ja) 2019-06-18 2020-06-18 符号化装置、復号装置、符号化方法、および復号方法

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US (3) US11936886B2 (https=)
JP (3) JP7455829B2 (https=)
KR (1) KR20220024007A (https=)
CN (6) CN118450146A (https=)
BR (1) BR112021023637A2 (https=)
MX (6) MX2021014185A (https=)
WO (1) WO2020256048A1 (https=)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2026010345A1 (ko) * 2024-07-02 2026-01-08 엘지전자 주식회사 영상 부호화 방법, 영상 부호화 장치, 영상 복호화 방법, 영상 복호화 장치, 비트스트림을 전송하는 방법 및 비트스트림을 저장한 기록매체
WO2026010344A1 (ko) * 2024-07-02 2026-01-08 엘지전자 주식회사 영상 부호화 방법, 영상 부호화 장치, 영상 복호화 방법, 영상 복호화 장치, 비트스트림을 전송하는 방법 및 비트스트림을 저장한 기록매체

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MX2021014185A (es) * 2019-06-18 2022-01-06 Panasonic Ip Corp America Codificador, decodificador, metodo de codificacion y metodo de decodificacion.
US20240373049A1 (en) * 2023-04-18 2024-11-07 Qualcomm Incorporated Video decoding engine for parallel decoding of multiple input video streams

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MY162367A (en) 2007-01-05 2017-06-15 Thomson Licensing Hypothetical reference decoder for scalable video coding
CN102984544A (zh) * 2007-01-08 2013-03-20 汤姆森特许公司 用于视频流拼接的方法及装置
US9113172B2 (en) * 2011-01-14 2015-08-18 Vidyo, Inc. Techniques for describing temporal coding structure
US9565431B2 (en) * 2012-04-04 2017-02-07 Qualcomm Incorporated Low-delay video buffering in video coding
US9402082B2 (en) * 2012-04-13 2016-07-26 Sharp Kabushiki Kaisha Electronic devices for sending a message and buffering a bitstream
US9426460B2 (en) 2012-04-13 2016-08-23 Sharp Kabushiki Kaisha Electronic devices for signaling multiple initial buffering parameters
US9654802B2 (en) * 2012-09-24 2017-05-16 Qualcomm Incorporated Sequence level flag for sub-picture level coded picture buffer parameters
US9661341B2 (en) * 2013-01-07 2017-05-23 Microsoft Technology Licensing, Llc Syntax and semantics for buffering information to simplify video splicing
US20150016547A1 (en) * 2013-07-15 2015-01-15 Sony Corporation Layer based hrd buffer management for scalable hevc
JP5789004B2 (ja) * 2013-08-09 2015-10-07 ソニー株式会社 送信装置、送信方法、受信装置、受信方法、符号化装置および符号化方法
KR102212211B1 (ko) * 2014-01-03 2021-02-04 삼성전자주식회사 멀티 레이어 비디오의 복호화 및 부호화를 위한 버퍼 관리 방법 및 장치
US10602190B2 (en) * 2016-05-13 2020-03-24 Sharp Kabushiki Kaisha Temporal sub-layer descriptor
MX2021014185A (es) * 2019-06-18 2022-01-06 Panasonic Ip Corp America Codificador, decodificador, metodo de codificacion y metodo de decodificacion.
IL291689B2 (en) * 2019-09-24 2025-07-01 Huawei Tech Co Ltd Hypothetical Source Decoder (HRD) for checking the suitability of output layer sets (OLS)

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
H.265(ISO/IEC 23008-2 HEVC)/HEVC(High Efficiency Video Coding)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2026010345A1 (ko) * 2024-07-02 2026-01-08 엘지전자 주식회사 영상 부호화 방법, 영상 부호화 장치, 영상 복호화 방법, 영상 복호화 장치, 비트스트림을 전송하는 방법 및 비트스트림을 저장한 기록매체
WO2026010344A1 (ko) * 2024-07-02 2026-01-08 엘지전자 주식회사 영상 부호화 방법, 영상 부호화 장치, 영상 복호화 방법, 영상 복호화 장치, 비트스트림을 전송하는 방법 및 비트스트림을 저장한 기록매체

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CN114097245A (zh) 2022-02-25
WO2020256048A1 (ja) 2020-12-24
JP2025137543A (ja) 2025-09-19
CN114097245B (zh) 2024-06-14
US12335498B2 (en) 2025-06-17
US20240214589A1 (en) 2024-06-27
US20220103843A1 (en) 2022-03-31
CN118450147A (zh) 2024-08-06
JP7455829B2 (ja) 2024-03-26
JP7710555B2 (ja) 2025-07-18
BR112021023637A2 (pt) 2022-03-29
JPWO2020256048A1 (https=) 2020-12-24
MX2024012955A (es) 2024-11-08
CN118450145A (zh) 2024-08-06
JP2024069422A (ja) 2024-05-21
CN118433417A (zh) 2024-08-02
US11936886B2 (en) 2024-03-19
MX2024012958A (es) 2024-11-08
CN118450144A (zh) 2024-08-06
MX2024012959A (es) 2024-11-08
MX2024012956A (es) 2024-11-08
CN118450146A (zh) 2024-08-06
MX2021014185A (es) 2022-01-06
MX2024012957A (es) 2024-11-08
US20250274594A1 (en) 2025-08-28

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