KR20250002789A - 인코딩 방법, 디코딩 방법, 인코더, 디코더 및 저장 매체 - Google Patents

인코딩 방법, 디코딩 방법, 인코더, 디코더 및 저장 매체 Download PDF

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KR20250002789A
KR20250002789A KR1020247040565A KR20247040565A KR20250002789A KR 20250002789 A KR20250002789 A KR 20250002789A KR 1020247040565 A KR1020247040565 A KR 1020247040565A KR 20247040565 A KR20247040565 A KR 20247040565A KR 20250002789 A KR20250002789 A KR 20250002789A
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value
current block
mip
lfnst
prediction
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Korean (ko)
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쥔옌 훠
솨이 완
옌줘 마
Original Assignee
광동 오포 모바일 텔레커뮤니케이션즈 코포레이션 리미티드
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/11—Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods 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
    • H04N19/17—Methods 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
    • H04N19/176—Methods 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 the region being a block, e.g. a macroblock
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods 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
    • H04N19/186—Methods 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 a colour or a chrominance component
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70—Methods 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • H04N19/82—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Error Detection And Correction (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
KR1020247040565A 2020-01-08 2020-12-29 인코딩 방법, 디코딩 방법, 인코더, 디코더 및 저장 매체 Pending KR20250002789A (ko)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US202062958582P 2020-01-08 2020-01-08
US62/958,582 2020-01-08
KR1020227023785A KR20220122666A (ko) 2020-01-08 2020-12-29 인코딩 방법, 디코딩 방법, 인코더, 디코더 및 저장 매체
PCT/CN2020/141080 WO2021139572A1 (zh) 2020-01-08 2020-12-29 编码方法、解码方法、编码器、解码器以及存储介质

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KR1020227023785A Division KR20220122666A (ko) 2020-01-08 2020-12-29 인코딩 방법, 디코딩 방법, 인코더, 디코더 및 저장 매체

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KR20250002789A true KR20250002789A (ko) 2025-01-07

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KR1020227023785A Pending KR20220122666A (ko) 2020-01-08 2020-12-29 인코딩 방법, 디코딩 방법, 인코더, 디코더 및 저장 매체

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US (8) US11843781B2 (https=)
EP (2) EP4090014A4 (https=)
JP (5) JP7623386B2 (https=)
KR (2) KR20250002789A (https=)
CN (8) CN121262361A (https=)
WO (1) WO2021139572A1 (https=)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200498665Y1 (ko) 2014-06-18 2024-12-24 보스톤 싸이엔티픽 싸이메드 인코포레이티드 담관 스텐트
EP4109898A4 (en) * 2019-12-30 2023-01-11 Guangdong Oppo Mobile Telecommunications Corp., Ltd. TRANSFORMATION METHOD, ENCODER, DECODER AND STORAGE MEDIUM
CN115104301A (zh) * 2020-02-21 2022-09-23 交互数字Vc控股法国公司 用于视频编码或解码的基于神经网络的帧内预测
CN115606182B (zh) * 2020-03-25 2026-02-06 抖音视界有限公司 使用增强二次变换的编解码视频处理
WO2022119301A1 (ko) * 2020-12-01 2022-06-09 현대자동차주식회사 인트라 예측을 이용하는 비디오 코딩 방법 및 장치
US12615365B2 (en) * 2021-04-12 2026-04-28 Qualcomm Incorporated Intra-mode dependent multiple transform selection for video coding
WO2023044919A1 (zh) * 2021-09-27 2023-03-30 Oppo广东移动通信有限公司 视频编解码方法、设备、系统、及存储介质
WO2023197195A1 (zh) * 2022-04-13 2023-10-19 Oppo广东移动通信有限公司 视频编解码方法、编码器、解码器及存储介质
CN119487848A (zh) * 2022-07-04 2025-02-18 Oppo广东移动通信有限公司 编解码方法、编码器、解码器以及存储介质
KR20260023641A (ko) * 2023-05-26 2026-02-20 엘지전자 주식회사 Mip 기반 영상 부호화/복호화 방법, 비트스트림을 전송하는 방법 및 비트스트림을 저장한 기록 매체
CN116600107B (zh) * 2023-07-20 2023-11-21 华侨大学 基于ipms-cnn和空域相邻cu编码模式的hevc-scc快速编码方法及装置
CN121644812B (zh) * 2026-01-30 2026-04-24 昇显微电子(苏州)股份有限公司 一种应用功耗动态隔离技术的dsc解码器低功耗架构实现方法

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102695061B (zh) 2011-03-20 2015-01-21 华为技术有限公司 一种权重因子的确定方法和装置,以及一种帧内加权预测方法和装置
US20130003856A1 (en) * 2011-07-01 2013-01-03 Samsung Electronics Co. Ltd. Mode-dependent transforms for residual coding with low latency
CN103096055B (zh) * 2011-11-04 2016-03-30 华为技术有限公司 一种图像信号帧内预测及解码的方法和装置
EP3453181B1 (en) * 2016-05-04 2025-10-29 Sharp Kabushiki Kaisha Methods and apparatuses for coding transform data
CN106254883B (zh) 2016-08-02 2021-01-22 海信视像科技股份有限公司 一种视频解码中的反变换方法和装置
WO2018062699A1 (ko) * 2016-09-30 2018-04-05 엘지전자 주식회사 영상 코딩 시스템에서 영상 디코딩 방법 및 장치
US11095893B2 (en) * 2016-10-12 2021-08-17 Qualcomm Incorporated Primary transform and secondary transform in video coding
KR20180085526A (ko) * 2017-01-19 2018-07-27 가온미디어 주식회사 효율적 변환을 처리하는 영상 복호화 및 부호화 방법
RU2722394C1 (ru) * 2017-03-21 2020-05-29 ЭлДжи ЭЛЕКТРОНИКС ИНК. Способ преобразования в системе кодирования изображений и устройство для его осуществления
KR102769033B1 (ko) * 2018-03-08 2025-02-18 삼성전자주식회사 비디오 복호화 방법 및 장치, 비디오 부호화 방법 및 장치
ES3030533T3 (en) * 2018-06-03 2025-06-30 Lg Electronics Inc Method and device for processing video signal by using reduced transform
WO2020009514A1 (ko) * 2018-07-06 2020-01-09 한국전자통신연구원 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
US11509891B2 (en) * 2018-11-04 2022-11-22 Lg Electronics Inc. Intra prediction method and apparatus in image coding system
KR20250078609A (ko) 2019-05-08 2025-06-02 엘지전자 주식회사 Mip 및 lfnst를 수행하는 영상 부호화/복호화 방법, 장치 및 비트스트림을 전송하는 방법
CN110519591B (zh) * 2019-08-29 2021-06-01 中南大学 一种基于多用途编码中帧内编码的预测模式快速选择方法
JP7425568B2 (ja) 2019-09-18 2024-01-31 シャープ株式会社 動画像復号装置、動画像符号化装置、動画像復号方法および動画像符号化方法
KR102695020B1 (ko) 2019-09-23 2024-08-12 베이징 다지아 인터넷 인포메이션 테크놀로지 컴퍼니 리미티드 4:4:4 크로마 포맷의 비디오 코딩 방법 및 장치

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US20240056582A1 (en) 2024-02-15
US12166994B2 (en) 2024-12-10
JP2025061384A (ja) 2025-04-10
CN119946252A (zh) 2025-05-06
KR20220122666A (ko) 2022-09-02
CN115314710A (zh) 2022-11-08
US20250055999A1 (en) 2025-02-13
EP4090014A1 (en) 2022-11-16
JP2025029040A (ja) 2025-03-05
US20240056581A1 (en) 2024-02-15
CN119653081A (zh) 2025-03-18
EP4645860A2 (en) 2025-11-05
US20260082051A1 (en) 2026-03-19
EP4645860A9 (en) 2025-12-24
JP2025061386A (ja) 2025-04-10
EP4645860A3 (en) 2026-01-14
CN114450945A (zh) 2022-05-06
CN115314710B (zh) 2025-02-11
CN121239841A (zh) 2025-12-30
US20220360785A1 (en) 2022-11-10
US20250193407A1 (en) 2025-06-12
JP7623386B2 (ja) 2025-01-28
JP2023509951A (ja) 2023-03-10
WO2021139572A1 (zh) 2021-07-15
US12273531B2 (en) 2025-04-08
US20260089332A1 (en) 2026-03-26
US11843781B2 (en) 2023-12-12
US20260082052A1 (en) 2026-03-19
CN119946252B (zh) 2026-03-20
JP2025061393A (ja) 2025-04-10
CN120812252A (zh) 2025-10-17
EP4090014A4 (en) 2024-01-03
CN121217914A (zh) 2025-12-26
CN121262361A (zh) 2026-01-02

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