KR102572839B1 - 멀티-라인 인트라 예측을 위한 mpm 리스트 생성 방법 및 디바이스 - Google Patents

멀티-라인 인트라 예측을 위한 mpm 리스트 생성 방법 및 디바이스 Download PDF

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KR102572839B1
KR102572839B1 KR1020207031910A KR20207031910A KR102572839B1 KR 102572839 B1 KR102572839 B1 KR 102572839B1 KR 1020207031910 A KR1020207031910 A KR 1020207031910A KR 20207031910 A KR20207031910 A KR 20207031910A KR 102572839 B1 KR102572839 B1 KR 102572839B1
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intra prediction
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량 자오
신 자오
샹 리
산 류
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텐센트 아메리카 엘엘씨
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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
    • 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
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    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
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    • 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
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    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
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    • 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
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    • 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
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    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
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    • H—ELECTRICITY
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    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • 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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • H04N19/463—Embedding additional information in the video signal during the compression process by compressing encoding parameters before transmission
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
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KR1020207031910A 2018-09-14 2019-08-29 멀티-라인 인트라 예측을 위한 mpm 리스트 생성 방법 및 디바이스 Active KR102572839B1 (ko)

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US201862731776P 2018-09-14 2018-09-14
US62/731,776 2018-09-14
US16/234,993 US10771778B2 (en) 2018-09-14 2018-12-28 Method and device for MPM list generation for multi-line intra prediction
US16/234,993 2018-12-28
PCT/US2019/048704 WO2020055596A1 (en) 2018-09-14 2019-08-29 Method and device for mpm list generation for multi-line intra prediction

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Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018066863A1 (ko) * 2016-10-04 2018-04-12 한국전자통신연구원 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
WO2019245342A1 (ko) * 2018-06-21 2019-12-26 주식회사 케이티 비디오 신호 처리 방법 및 장치
WO2020058896A1 (en) * 2018-09-19 2020-03-26 Beijing Bytedance Network Technology Co., Ltd. Intra mode coding based on history information
WO2020057663A1 (en) * 2018-09-21 2020-03-26 Huawei Technologies Co., Ltd. Intra prediction mode derivation based on neighboring blocks
WO2020071871A1 (ko) * 2018-10-05 2020-04-09 엘지전자 주식회사 영상 서비스 처리 방법 및 그 장치
US11012711B2 (en) * 2018-11-29 2021-05-18 Tencent America LLC Adaptive most probable modes for multiple reference line intra prediction
US11032551B2 (en) * 2018-12-04 2021-06-08 Tencent America LLC Simplified most probable mode list generation scheme
CN116527893B (zh) * 2019-01-08 2025-10-17 北京小米移动软件有限公司 解码设备、编码设备和数据发送设备
KR102769276B1 (ko) * 2019-01-09 2025-02-20 엘지전자 주식회사 Mpm 리스트를 사용하는 인트라 예측 기반 영상 코딩 방법 및 장치
DK3932057T3 (da) 2019-03-23 2024-09-16 Huawei Tech Co Ltd Koder, dekoder og tilsvarende fremgangsmåder til intraforudsigelse
KR20230147149A (ko) * 2021-02-22 2023-10-20 광동 오포 모바일 텔레커뮤니케이션즈 코포레이션 리미티드 인트라 예측 방법, 인코더, 디코더 및 저장 매체

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160373782A1 (en) 2015-06-18 2016-12-22 Qualcomm Incorporated Intra prediction and intra mode coding
KR101822474B1 (ko) 2010-12-21 2018-03-09 한국전자통신연구원 인트라 예측 모드 부호화/복호화 방법 및 컴퓨터로 읽을 수 있는 기록 매체

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8902978B2 (en) * 2010-05-30 2014-12-02 Lg Electronics Inc. Enhanced intra prediction mode signaling
KR20130027975A (ko) * 2011-09-08 2013-03-18 주식회사 케이티 인트라 예측 모드 부호화/복호화 방법 및 장치
KR20130029693A (ko) * 2011-09-15 2013-03-25 주식회사 아이벡스피티홀딩스 인트라 예측 모드 부호화/복호화 방법
ES3030007T3 (en) * 2011-10-18 2025-06-26 Lg Electronics Inc Image decoding method, image encoding method, computer-readable storage medium and transmission method of data for an image
KR20130049522A (ko) * 2011-11-04 2013-05-14 오수미 인트라 예측 블록 생성 방법
WO2013085282A1 (ko) * 2011-12-05 2013-06-13 엘지전자 주식회사 인트라 예측 방법 및 장치
US9277212B2 (en) * 2012-07-09 2016-03-01 Qualcomm Incorporated Intra mode extensions for difference domain intra prediction
US9426473B2 (en) 2013-02-01 2016-08-23 Qualcomm Incorporated Mode decision simplification for intra prediction
US10142627B2 (en) * 2015-06-18 2018-11-27 Qualcomm Incorporated Intra prediction and intra mode coding
US10841593B2 (en) * 2015-06-18 2020-11-17 Qualcomm Incorporated Intra prediction and intra mode coding
US20160373770A1 (en) * 2015-06-18 2016-12-22 Qualcomm Incorporated Intra prediction and intra mode coding
EP4192009A1 (en) * 2015-11-19 2023-06-07 LX Semicon Co., Ltd. Method and apparatus for encoding/decoding intra prediction mode
KR20170058837A (ko) * 2015-11-19 2017-05-29 한국전자통신연구원 화면내 예측모드 부호화/복호화 방법 및 장치
CN108886617B (zh) * 2016-04-06 2021-08-27 株式会社Kt 用于处理视频信号的方法和设备
JP2019519972A (ja) * 2016-05-05 2019-07-11 ヴィド スケール インコーポレイテッド イントラコーディングのための制御点ベースのイントラ方向表現
US10547854B2 (en) * 2016-05-13 2020-01-28 Qualcomm Incorporated Neighbor based signaling of intra prediction modes
US10484712B2 (en) * 2016-06-08 2019-11-19 Qualcomm Incorporated Implicit coding of reference line index used in intra prediction
WO2018066863A1 (ko) * 2016-10-04 2018-04-12 한국전자통신연구원 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
US10506228B2 (en) * 2016-10-04 2019-12-10 Qualcomm Incorporated Variable number of intra modes for video coding
US11039130B2 (en) * 2016-10-28 2021-06-15 Electronics And Telecommunications Research Institute Video encoding/decoding method and apparatus, and recording medium in which bit stream is stored
US11025903B2 (en) * 2017-01-13 2021-06-01 Qualcomm Incorporated Coding video data using derived chroma mode
EP3422716A1 (en) * 2017-06-26 2019-01-02 Thomson Licensing Method and apparatus for most probable mode (mpm) sorting and signaling in video encoding and decoding
KR102769033B1 (ko) * 2018-03-08 2025-02-18 삼성전자주식회사 비디오 복호화 방법 및 장치, 비디오 부호화 방법 및 장치
US10419754B1 (en) * 2018-04-02 2019-09-17 Tencent America LLC Method and apparatus for video decoding using multiple line intra prediction
US10999604B2 (en) * 2018-04-13 2021-05-04 Mediatek Inc. Adaptive implicit transform setting
CN112930681B (zh) * 2018-08-24 2024-08-20 三星电子株式会社 编码方法和编码装置及解码方法和解码装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101822474B1 (ko) 2010-12-21 2018-03-09 한국전자통신연구원 인트라 예측 모드 부호화/복호화 방법 및 컴퓨터로 읽을 수 있는 기록 매체
US20160373782A1 (en) 2015-06-18 2016-12-22 Qualcomm Incorporated Intra prediction and intra mode coding

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Liang Zhao et al., "CE3-related: MPM based Multi-line intra prediction scheme", JVET-K0482, version 3, 2018.7.14.*

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WO2020055596A9 (en) 2020-04-30
WO2020055596A1 (en) 2020-03-19
US11825072B2 (en) 2023-11-21
JP7701410B2 (ja) 2025-07-01
CN115499651A (zh) 2022-12-20
CN115499653B (zh) 2025-05-06
US20240089426A1 (en) 2024-03-14
CN111937390A (zh) 2020-11-13
KR20200140344A (ko) 2020-12-15
CN111937390B (zh) 2022-07-29
US20200092544A1 (en) 2020-03-19
JP7612415B2 (ja) 2025-01-14
US10771778B2 (en) 2020-09-08
EP3850848A1 (en) 2021-07-21
EP3850848A4 (en) 2022-06-15
US20200404252A1 (en) 2020-12-24
JP2021520749A (ja) 2021-08-19
KR20230128585A (ko) 2023-09-05
US11451769B2 (en) 2022-09-20
US12549706B2 (en) 2026-02-10
CN115499651B (zh) 2025-05-06
JP2023126928A (ja) 2023-09-12
CN115499652A (zh) 2022-12-20
US20220394238A1 (en) 2022-12-08
CN115499652B (zh) 2025-08-22

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