KR101721815B1 - 고충실도 코더로 저충실도 코딩을 에뮬레이트하는 방법 및 장치 - Google Patents

고충실도 코더로 저충실도 코딩을 에뮬레이트하는 방법 및 장치 Download PDF

Info

Publication number
KR101721815B1
KR101721815B1 KR1020167002383A KR20167002383A KR101721815B1 KR 101721815 B1 KR101721815 B1 KR 101721815B1 KR 1020167002383 A KR1020167002383 A KR 1020167002383A KR 20167002383 A KR20167002383 A KR 20167002383A KR 101721815 B1 KR101721815 B1 KR 101721815B1
Authority
KR
South Korea
Prior art keywords
chroma
low fidelity
video
flag
coding unit
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
KR1020167002383A
Other languages
English (en)
Korean (ko)
Other versions
KR20160025598A (ko
Inventor
데이비드 플린
데이크 헤
뉴옌 뉴옌
Original Assignee
블랙베리 리미티드
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 블랙베리 리미티드 filed Critical 블랙베리 리미티드
Publication of KR20160025598A publication Critical patent/KR20160025598A/ko
Application granted granted Critical
Publication of KR101721815B1 publication Critical patent/KR101721815B1/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
    • H04N19/10—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
    • H04N19/124—Quantisation
    • H04N19/126—Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
    • 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
    • H04N19/10—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
    • H04N19/124—Quantisation
    • 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
    • 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
    • H04N19/184—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 bits, e.g. of the compressed video stream
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Color Television Systems (AREA)
KR1020167002383A 2013-06-28 2014-06-09 고충실도 코더로 저충실도 코딩을 에뮬레이트하는 방법 및 장치 Active KR101721815B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP13174435.1A EP2843949B1 (en) 2013-06-28 2013-06-28 Methods and devices for emulating low-fidelity coding in a high-fidelity coder
EP13174435.1 2013-06-28
PCT/CA2014/050531 WO2014205561A1 (en) 2013-06-28 2014-06-09 Methods and devices for emulating low-fidelity coding in a high-fidelity coder

Publications (2)

Publication Number Publication Date
KR20160025598A KR20160025598A (ko) 2016-03-08
KR101721815B1 true KR101721815B1 (ko) 2017-03-30

Family

ID=48740907

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020167002383A Active KR101721815B1 (ko) 2013-06-28 2014-06-09 고충실도 코더로 저충실도 코딩을 에뮬레이트하는 방법 및 장치

Country Status (5)

Country Link
EP (3) EP3598751B1 (OSRAM)
JP (3) JP6527859B2 (OSRAM)
KR (1) KR101721815B1 (OSRAM)
CN (1) CN105359521B (OSRAM)
WO (1) WO2014205561A1 (OSRAM)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019135655A1 (ko) * 2018-01-08 2019-07-11 삼성전자주식회사 영상 부호화 방법 및 장치, 영상 복호화 방법 및 장치
WO2020251269A1 (ko) * 2019-06-11 2020-12-17 엘지전자 주식회사 영상 디코딩 방법 및 그 장치

Families Citing this family (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016199409A1 (en) * 2015-06-07 2016-12-15 Sharp Kabushiki Kaisha Systems and methods for optimizing video coding based on a luminance transfer function or video color component values
EP4199515A1 (en) 2016-05-27 2023-06-21 SHARP Kabushiki Kaisha Systems and methods for varying quantization parameters
EP3488610B1 (en) * 2016-07-22 2025-11-26 Sharp Kabushiki Kaisha Device and method for decoding video data using adaptive component scaling
WO2018054286A1 (en) * 2016-09-20 2018-03-29 Mediatek Inc. Methods and apparatuses of sample adaptive offset processing for video coding
AU2016426262A1 (en) * 2016-10-10 2019-05-02 Samsung Electronics Co., Ltd. Method and device for encoding or decoding luma block and chroma block
US20210337202A1 (en) * 2017-06-21 2021-10-28 Vid Scale, Inc. Adaptive quantization method for 360-degree video coding
CN111742554B (zh) * 2018-02-01 2021-08-06 联发科技股份有限公司 具有视频数据自适应量化的视频编码或解码方法和装置
CN117176950A (zh) * 2018-03-30 2023-12-05 交互数字Vc控股公司 视频编码和解码中的色度量化参数调整
JP7529575B2 (ja) 2018-06-21 2024-08-06 インターデジタル ヴイシー ホールディングス， インコーポレイテッド ビデオの符号化及び復号における改良モード処理
AU2019342803B2 (en) 2018-09-21 2023-07-13 Huawei Technologies Co., Ltd. Apparatus and method for inverse quantization
US12177446B2 (en) 2018-09-24 2024-12-24 Interdigital Vc Holdings, Inc. Method and apparatus for determining chroma quantization parameters when using separate coding trees for luma and chroma
CN113366840B (zh) * 2019-01-16 2024-10-11 夏普株式会社 一种对图像数据进行解码的方法
JP7279172B2 (ja) 2019-02-01 2023-05-22 北京字節跳動網絡技術有限公司 インループ再成形とインターコーディングツールとの間の相互作用
CN113475077B (zh) 2019-02-24 2023-11-17 北京字节跳动网络技术有限公司 调色板模式使用指示的独立编解码
CN113454998B (zh) * 2019-03-05 2025-07-11 中兴通讯股份有限公司 视频编码中的跨分量量化
KR102639936B1 (ko) 2019-03-08 2024-02-22 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 비디오 처리에서 모델-기반 변형에 대한 제약들
CN117499644A (zh) 2019-03-14 2024-02-02 北京字节跳动网络技术有限公司 环路整形信息的信令和语法
WO2020192612A1 (en) 2019-03-23 2020-10-01 Beijing Bytedance Network Technology Co., Ltd. Default in-loop reshaping parameters
CN113711590B (zh) 2019-04-18 2024-04-19 北京字节跳动网络技术有限公司 减少跨分量模式中的延迟
WO2020216246A1 (en) 2019-04-23 2020-10-29 Beijing Bytedance Network Technology Co., Ltd. Methods for cross component dependency reduction
WO2020216380A1 (en) * 2019-04-26 2020-10-29 Beijing Bytedance Network Technology Co., Ltd. Prediction of parameters for in-loop reshaping
KR20250079228A (ko) 2019-04-26 2025-06-04 후아웨이 테크놀러지 컴퍼니 리미티드 크로마 양자화 파라미터의 매핑 함수의 시그널링을 위한 방법 및 장치
CN117221558A (zh) 2019-05-08 2023-12-12 北京字节跳动网络技术有限公司 跨分量编解码的适用性条件
CN113812161B (zh) * 2019-05-14 2024-02-06 北京字节跳动网络技术有限公司 视频编解码中的缩放方法
CN118945349A (zh) * 2019-06-14 2024-11-12 弗劳恩霍夫应用研究促进协会 具有改进的基于变换的缩放的编码器、解码器、方法和计算机程序
CN117478908A (zh) 2019-06-22 2024-01-30 北京字节跳动网络技术有限公司 色度残差缩放的语法元素
US12015792B2 (en) 2019-06-28 2024-06-18 Lg Electronics Inc. Image decoding method for chroma quantization parameter data and apparatus therefor
CN117395396A (zh) 2019-07-07 2024-01-12 北京字节跳动网络技术有限公司 色度残差缩放的信令通知
EP3987806A4 (en) 2019-07-20 2022-08-31 Beijing Bytedance Network Technology Co., Ltd. CONDITIONAL CODING OF PALETTE MODE USE INDICATION
CN114145013B (zh) * 2019-07-23 2023-11-14 北京字节跳动网络技术有限公司 调色板模式编解码的模式确定
US11277611B2 (en) * 2019-07-24 2022-03-15 Qualcomm Incorporated Delta quantization parameter (QP) signaling in palette mode
CN114208188B (zh) 2019-07-29 2025-09-16 北京字节跳动网络技术有限公司 调色板模式编解码的扫描顺序改进
CN119182909A (zh) * 2019-08-22 2024-12-24 Lg 电子株式会社 使用色度量化参数的图像解码方法及其装置
EP4598023A3 (en) * 2019-08-27 2025-10-29 Hyundai Motor Company Video encoding and decoding using differential coding
FI4035368T3 (fi) 2019-09-23 2024-11-29 Beijing Dajia Internet Information Tech Co Ltd Menetelmät ja laitteet kvantisointi- ja dekvantisointimallia varten videokoodauksessa
US11310533B2 (en) * 2019-09-27 2022-04-19 Qualcomm Incorporated Quantization parameter signaling for joint chroma residual mode in video coding
US20210160481A1 (en) * 2019-11-26 2021-05-27 Qualcomm Incorporated Flexible signaling of qp offset for adaptive color transform in video coding
US12081798B2 (en) * 2019-12-06 2024-09-03 Interdigital Ce Patent Holdings, Sas Scaling process for joint chroma coded blocks
CN114868388B (zh) * 2019-12-27 2025-03-07 北京达佳互联信息技术有限公司 在4：4：4色度格式下进行视频编解码的方法和装置
US11803989B2 (en) * 2020-01-08 2023-10-31 Qualcomm Incorporated Quantization for geometry-based point cloud compression
CN115244923A (zh) 2020-01-11 2022-10-25 北京达佳互联信息技术有限公司 使用调色板模式进行视频编解码的方法和装置
CN115280786A (zh) * 2020-03-12 2022-11-01 交互数字Vc控股法国公司 用于本地色度量化参数控制的高级约束标记
US11381830B2 (en) * 2020-06-11 2022-07-05 Tencent America LLC Modified quantizer
US12047593B2 (en) * 2020-10-02 2024-07-23 Tencent America LLC Method and apparatus for video coding
CN113613008A (zh) * 2021-08-20 2021-11-05 百果园技术(新加坡)有限公司 一种视频编解码的方法、装置、电子设备及存储介质

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7848408B2 (en) * 2005-01-28 2010-12-07 Broadcom Corporation Method and system for parameter generation for digital noise reduction based on bitstream properties
US8243797B2 (en) * 2007-03-30 2012-08-14 Microsoft Corporation Regions of interest for quality adjustments
US8571106B2 (en) * 2008-05-22 2013-10-29 Microsoft Corporation Digital video compression acceleration based on motion vectors produced by cameras
US8897359B2 (en) * 2008-06-03 2014-11-25 Microsoft Corporation Adaptive quantization for enhancement layer video coding
US9854275B2 (en) * 2011-06-25 2017-12-26 Qualcomm Incorporated Quantization in video coding

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
"Chroma QP range extension", Joint Collaborative Team on Video Coding (JCT-VC) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11, JCTVC-J0342 (2012.7.11.)*

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019135655A1 (ko) * 2018-01-08 2019-07-11 삼성전자주식회사 영상 부호화 방법 및 장치, 영상 복호화 방법 및 장치
WO2020251269A1 (ko) * 2019-06-11 2020-12-17 엘지전자 주식회사 영상 디코딩 방법 및 그 장치
US11533500B2 (en) 2019-06-11 2022-12-20 Lg Electronics Inc. Image decoding method and device therefor
US11825108B2 (en) 2019-06-11 2023-11-21 Lg Electronics Inc. Image decoding method and device therefor

Also Published As

Publication number Publication date
JP2019146263A (ja) 2019-08-29
EP2843949B1 (en) 2020-04-29
JP6527859B2 (ja) 2019-06-05
EP3598751B1 (en) 2024-04-10
EP4366308A3 (en) 2024-07-10
JP2020115675A (ja) 2020-07-30
CN105359521A (zh) 2016-02-24
EP2843949A1 (en) 2015-03-04
JP6907373B2 (ja) 2021-07-21
JP2016528768A (ja) 2016-09-15
CN105359521B (zh) 2020-06-26
KR20160025598A (ko) 2016-03-08
EP3598751A2 (en) 2020-01-22
HK1208107A1 (en) 2016-02-19
EP4366308A2 (en) 2024-05-08
WO2014205561A1 (en) 2014-12-31
EP3598751A3 (en) 2020-04-08
JP6691253B2 (ja) 2020-04-28

Similar Documents

Publication Publication Date Title
KR101721815B1 (ko) 고충실도 코더로 저충실도 코딩을 에뮬레이트하는 방법 및 장치
US10979715B2 (en) Methods and devices for emulating low-fidelity coding in a high-fidelity coder
CA2838336C (en) Methods and systems for prediction filtering in video coding
CA2940015C (en) Adjusting quantization/scaling and inverse quantization/scaling when switching color spaces
KR102244926B1 (ko) 채도 qp 값의 확장된 범위
KR102143663B1 (ko) 디블록킹에서 채도 양자화 파라미터 오프셋을 사용하는 기법
KR101749269B1 (ko) 적응적인 인루프 필터를 이용한 동영상 부호화와 복호화 장치 및 그 방법
JP2024020545A (ja) クロス成分適応ループフィルタ
CN111279703A (zh) 用于加权角度预测的后滤波
EP2299720A1 (en) Dynamic image encoding/decoding method and device
CN107251557A (zh) 高色度分辨率细节的编码/解码
CN114402609A (zh) 视频编解码中的色度量化参数
CN107211150A (zh) 动态更新质量至较高的色度采样率
KR20250152693A (ko) 매트릭스 기반 인트라 예측 및 2차 변환 코어 선택을 조화시키는 인코더, 디코더 및 대응 방법
CN112119639B (zh) 用于对hdr内容进行去方块的系统和方法
CN114598890A (zh) 用于对图像进行编码和解码的方法以及相关装置和系统
CN114762339B (zh) 基于变换跳过和调色板编码相关高级语法元素的图像或视频编码
JP2021535653A (ja) ビデオコーディング及び処理のためのデブロッキングフィルタ
KR20200136395A (ko) 화상 처리 장치 및 화상 처리 방법
CN115349261A (zh) 使用语法元素的视频处理
WO2022217417A1 (zh) 编解码方法、编码器、解码器以及存储介质
HK1208107B (en) Methods and devices for emulating low-fidelity coding in a high-fidelity coder
CN118077197A (zh) 组合用于视频编码和/或解码的去块滤波和另一滤波

Legal Events

Date Code Title Description
A201 Request for examination
PA0105 International application

Patent event date: 20160127

Patent event code: PA01051R01D

Comment text: International Patent Application

PA0201 Request for examination
PG1501 Laying open of application
E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

Comment text: Notification of reason for refusal

Patent event date: 20160812

Patent event code: PE09021S01D

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

Patent event code: PE07011S01D

Comment text: Decision to Grant Registration

Patent event date: 20170227

GRNT Written decision to grant
PR0701 Registration of establishment

Comment text: Registration of Establishment

Patent event date: 20170324

Patent event code: PR07011E01D

PR1002 Payment of registration fee

Payment date: 20170324

End annual number: 3

Start annual number: 1

PG1601 Publication of registration
PR1001 Payment of annual fee

Payment date: 20200316

Start annual number: 4

End annual number: 4

PR1001 Payment of annual fee

Payment date: 20210315

Start annual number: 5

End annual number: 5

PR1001 Payment of annual fee

Payment date: 20230315

Start annual number: 7

End annual number: 7

PR1001 Payment of annual fee

Payment date: 20240312

Start annual number: 8

End annual number: 8

PR1001 Payment of annual fee

Payment date: 20250311

Start annual number: 9

End annual number: 9