KR102459185B1 - 비디오 압축에서의 인트라 예측을 위한 참조 샘플 패딩 및 필터링 - Google Patents

비디오 압축에서의 인트라 예측을 위한 참조 샘플 패딩 및 필터링 Download PDF

Info

Publication number
KR102459185B1
KR102459185B1 KR1020207027950A KR20207027950A KR102459185B1 KR 102459185 B1 KR102459185 B1 KR 102459185B1 KR 1020207027950 A KR1020207027950 A KR 1020207027950A KR 20207027950 A KR20207027950 A KR 20207027950A KR 102459185 B1 KR102459185 B1 KR 102459185B1
Authority
KR
South Korea
Prior art keywords
intra prediction
angles
diagonal
tan
video
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
KR1020207027950A
Other languages
English (en)
Korean (ko)
Other versions
KR20200125683A (ko
Inventor
량 자오
신 자오
샹 리
산 류
Original Assignee
텐센트 아메리카 엘엘씨
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 텐센트 아메리카 엘엘씨 filed Critical 텐센트 아메리카 엘엘씨
Priority to KR1020227036067A priority Critical patent/KR102635400B1/ko
Publication of KR20200125683A publication Critical patent/KR20200125683A/ko
Application granted granted Critical
Publication of KR102459185B1 publication Critical patent/KR102459185B1/ko
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • 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
    • H04N19/103—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
    • H04N19/132—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
    • H04N19/44—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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
KR1020207027950A 2018-07-16 2019-06-03 비디오 압축에서의 인트라 예측을 위한 참조 샘플 패딩 및 필터링 Active KR102459185B1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020227036067A KR102635400B1 (ko) 2018-07-16 2019-06-03 비디오 압축에서의 인트라 예측을 위한 참조 샘플 패딩 및 필터링

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201862698526P 2018-07-16 2018-07-16
US62/698,526 2018-07-16
US16/202,876 2018-11-28
US16/202,876 US10630979B2 (en) 2018-07-16 2018-11-28 Reference sample padding and filtering for intra prediction in video compression
PCT/US2019/035116 WO2020018181A1 (en) 2018-07-16 2019-06-03 Reference sample padding and filtering for intra prediction in video compression

Related Child Applications (1)

Application Number Title Priority Date Filing Date
KR1020227036067A Division KR102635400B1 (ko) 2018-07-16 2019-06-03 비디오 압축에서의 인트라 예측을 위한 참조 샘플 패딩 및 필터링

Publications (2)

Publication Number Publication Date
KR20200125683A KR20200125683A (ko) 2020-11-04
KR102459185B1 true KR102459185B1 (ko) 2022-10-27

Family

ID=69139809

Family Applications (3)

Application Number Title Priority Date Filing Date
KR1020207027950A Active KR102459185B1 (ko) 2018-07-16 2019-06-03 비디오 압축에서의 인트라 예측을 위한 참조 샘플 패딩 및 필터링
KR1020227036067A Active KR102635400B1 (ko) 2018-07-16 2019-06-03 비디오 압축에서의 인트라 예측을 위한 참조 샘플 패딩 및 필터링
KR1020247004216A Pending KR20240023237A (ko) 2018-07-16 2019-06-03 비디오 압축에서의 인트라 예측을 위한 참조 샘플 패딩 및 필터링

Family Applications After (2)

Application Number Title Priority Date Filing Date
KR1020227036067A Active KR102635400B1 (ko) 2018-07-16 2019-06-03 비디오 압축에서의 인트라 예측을 위한 참조 샘플 패딩 및 필터링
KR1020247004216A Pending KR20240023237A (ko) 2018-07-16 2019-06-03 비디오 압축에서의 인트라 예측을 위한 참조 샘플 패딩 및 필터링

Country Status (6)

Country Link
US (4) US10630979B2 (https=)
EP (2) EP3824626B1 (https=)
JP (6) JP7106661B2 (https=)
KR (3) KR102459185B1 (https=)
CN (2) CN117156140A (https=)
WO (1) WO2020018181A1 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20220143971A (ko) * 2018-07-16 2022-10-25 텐센트 아메리카 엘엘씨 비디오 압축에서의 인트라 예측을 위한 참조 샘플 패딩 및 필터링

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113709459B (zh) * 2019-01-02 2023-06-23 Oppo广东移动通信有限公司 帧内预测方法、装置及计算机存储介质
JP7575355B2 (ja) * 2021-06-29 2024-10-29 Kddi株式会社 画像復号装置、画像復号方法及びプログラム

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7609763B2 (en) * 2003-07-18 2009-10-27 Microsoft Corporation Advanced bi-directional predictive coding of video frames
US8885701B2 (en) * 2010-09-08 2014-11-11 Samsung Electronics Co., Ltd. Low complexity transform coding using adaptive DCT/DST for intra-prediction
US9008175B2 (en) * 2010-10-01 2015-04-14 Qualcomm Incorporated Intra smoothing filter for video coding
KR20120140181A (ko) * 2011-06-20 2012-12-28 한국전자통신연구원 화면내 예측 블록 경계 필터링을 이용한 부호화/복호화 방법 및 그 장치
CN104247422B (zh) * 2011-11-07 2018-09-11 华为技术有限公司 用于改进帧内预测的新的角度表的方法和装置
US9344722B2 (en) * 2011-11-18 2016-05-17 Futurewei Technologies, Inc. Scanning of prediction residuals in high efficiency video coding
KR101654446B1 (ko) * 2012-01-13 2016-09-05 샤프 가부시키가이샤 화상 복호 장치, 화상 부호화 장치 및 부호화 데이터의 데이터 구조
CN104322064A (zh) * 2012-04-16 2015-01-28 韩国电子通信研究院 编码方法和解码方法以及使用其的设备
US9967594B2 (en) * 2013-06-28 2018-05-08 Mozilla Corporation Probability modeling of intra prediction modes
WO2016115981A1 (en) * 2015-01-22 2016-07-28 Mediatek Singapore Pte. Ltd. Method of video coding for chroma components
KR20170131473A (ko) * 2015-03-29 2017-11-29 엘지전자 주식회사 비디오 신호의 인코딩/디코딩 방법 및 장치
US20160373770A1 (en) * 2015-06-18 2016-12-22 Qualcomm Incorporated Intra prediction and intra mode coding
US20160373742A1 (en) * 2015-06-18 2016-12-22 Qualcomm Incorporated Intra prediction and intra mode coding
US10602138B2 (en) * 2015-08-27 2020-03-24 Lg Electronics Inc. Method and device for chroma sample intra prediction in video coding system
WO2017105141A1 (ko) * 2015-12-17 2017-06-22 삼성전자 주식회사 영상을 부호화/복호화 하는 방법 및 그 장치
WO2017192995A1 (en) * 2016-05-06 2017-11-09 Vid Scale, Inc. Method and system for decoder-side intra mode derivation for block-based video coding
CA3025488A1 (en) * 2016-05-25 2017-11-30 Arris Enterprises Llc Weighted angular prediction for intra coding
WO2018117892A1 (en) * 2016-12-23 2018-06-28 Huawei Technologies Co., Ltd. An intra-prediction apparatus for extending a set of predetermined directional intra-prediction modes
US10630979B2 (en) * 2018-07-16 2020-04-21 Tencent America LLC Reference sample padding and filtering for intra prediction in video compression

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
Benjamin Bross, "Versatile Video Coding(Draft4)", JVET-M1001, version 7, 2019.3.17.공개*
ITU-T, H265, "High efficiency video coding", 2014.3월.*

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20220143971A (ko) * 2018-07-16 2022-10-25 텐센트 아메리카 엘엘씨 비디오 압축에서의 인트라 예측을 위한 참조 샘플 패딩 및 필터링
US11736685B2 (en) 2018-07-16 2023-08-22 Tencent America LLC Reference sample padding and filtering for intra prediction in video compression
KR102635400B1 (ko) * 2018-07-16 2024-02-13 텐센트 아메리카 엘엘씨 비디오 압축에서의 인트라 예측을 위한 참조 샘플 패딩 및 필터링
US12231629B2 (en) 2018-07-16 2025-02-18 Tencent America LLC Reference sample padding and filtering for intra prediction in video compression

Also Published As

Publication number Publication date
US20230379457A1 (en) 2023-11-23
CN112236997A (zh) 2021-01-15
US20200221082A1 (en) 2020-07-09
CN112236997B (zh) 2023-09-26
JP2026041971A (ja) 2026-03-10
JP2021513815A (ja) 2021-05-27
KR20240023237A (ko) 2024-02-20
KR102635400B1 (ko) 2024-02-13
JP2026050371A (ja) 2026-03-19
EP3824626A4 (en) 2022-04-20
US20200021803A1 (en) 2020-01-16
JP7559149B2 (ja) 2024-10-01
JP7305851B2 (ja) 2023-07-10
US12231629B2 (en) 2025-02-18
EP4718848A2 (en) 2026-04-01
US11128863B2 (en) 2021-09-21
US20210377522A1 (en) 2021-12-02
KR20200125683A (ko) 2020-11-04
US11736685B2 (en) 2023-08-22
US10630979B2 (en) 2020-04-21
KR20220143971A (ko) 2022-10-25
JP7791271B2 (ja) 2025-12-23
JP7106661B2 (ja) 2022-07-26
CN117156140A (zh) 2023-12-01
EP3824626A1 (en) 2021-05-26
EP3824626B1 (en) 2026-04-08
JP2024169525A (ja) 2024-12-05
JP2023115281A (ja) 2023-08-18
WO2020018181A1 (en) 2020-01-23
JP2022132417A (ja) 2022-09-08

Similar Documents

Publication Publication Date Title
KR102423691B1 (ko) 멀티-라인 인트라 예측을 위한 방법 및 장치
KR102637562B1 (ko) 비디오 압축에서의 비-정사각형 블록들에 대한 인트라 예측을 위한 방법 및 장치
KR102454760B1 (ko) 비디오 코딩을 위한 방법 및 장치
KR102542428B1 (ko) 인트라 모드 코딩을 위한 방법 및 장치
KR102637503B1 (ko) 비디오 시퀀스의 디코딩 또는 인코딩을 위한 인트라-인터 예측 모드를 제어하기 위한 방법 및 장치
KR20210068521A (ko) 변환 스킵 모드와 다중 변환 선택 사이의 조화를 위한 방법 및 장치
KR20200134224A (ko) 비디오 디코딩을 위한 방법, 장치 및 매체
KR20200139763A (ko) 다중 라인 인트라 예측을 위한 인트라 보간 필터
US11394957B2 (en) Constraints on reference sample locations in the dedicated buffer for intra picture block compensation
KR102376833B1 (ko) 8-비트 변환 코어를 이용한 1차 변환을 위한 방법 및 장치
KR20200140344A (ko) 멀티-라인 인트라 예측을 위한 mpm 리스트 생성 방법 및 디바이스
US12231629B2 (en) Reference sample padding and filtering for intra prediction in video compression
KR20210089756A (ko) 개선된 최고 확률 모드 리스트 생성 스킴
KR20200138377A (ko) 멀티-라인 인트라 예측을 위한 모드 리스트 생성
KR20250073460A (ko) 정제된 인트라 예측 각도들
KR20210134382A (ko) 참조 픽처 리샘플링을 위한 출력 픽처 크기의 시그널링
KR20200125743A (ko) 비디오 코딩에서의 감소된 상위 라인 버퍼에 의한 인터 예측을 위한 방법 및 장치

Legal Events

Date Code Title Description
PA0105 International application

St.27 status event code: A-0-1-A10-A15-nap-PA0105

PA0201 Request for examination

St.27 status event code: A-1-2-D10-D11-exm-PA0201

PG1501 Laying open of application

St.27 status event code: A-1-1-Q10-Q12-nap-PG1501

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

St.27 status event code: A-1-2-D10-D21-exm-PE0902

E13-X000 Pre-grant limitation requested

St.27 status event code: A-2-3-E10-E13-lim-X000

P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

P13-X000 Application amended

St.27 status event code: A-2-2-P10-P13-nap-X000

E701 Decision to grant or registration of patent right
PE0701 Decision of registration

St.27 status event code: A-1-2-D10-D22-exm-PE0701

A107 Divisional application of patent
PA0104 Divisional application for international application

St.27 status event code: A-0-1-A10-A18-div-PA0104

St.27 status event code: A-0-1-A10-A16-div-PA0104

GRNT Written decision to grant
PR0701 Registration of establishment

St.27 status event code: A-2-4-F10-F11-exm-PR0701

PR1002 Payment of registration fee

St.27 status event code: A-2-2-U10-U12-oth-PR1002

Fee payment year number: 1

PG1601 Publication of registration

St.27 status event code: A-4-4-Q10-Q13-nap-PG1601

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 4

U11 Full renewal or maintenance fee paid

Free format text: ST27 STATUS EVENT CODE: A-4-4-U10-U11-OTH-PR1001 (AS PROVIDED BY THE NATIONAL OFFICE)

Year of fee payment: 4