CN106797466B - 一种处理视频数据的方法及装置 - Google Patents

一种处理视频数据的方法及装置 Download PDF

Info

Publication number
CN106797466B
CN106797466B CN201580053940.XA CN201580053940A CN106797466B CN 106797466 B CN106797466 B CN 106797466B CN 201580053940 A CN201580053940 A CN 201580053940A CN 106797466 B CN106797466 B CN 106797466B
Authority
CN
China
Prior art keywords
block
decoding
ibc
mode
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.)
Expired - Fee Related
Application number
CN201580053940.XA
Other languages
English (en)
Chinese (zh)
Other versions
CN106797466A (zh
Inventor
克里希纳坎斯·拉帕卡
霍埃尔·索赖·罗哈斯
谢成郑
庞超
瓦迪姆·谢廖金
马尔塔·卡切维奇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qualcomm Inc
Original Assignee
Qualcomm Inc
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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of CN106797466A publication Critical patent/CN106797466A/zh
Application granted granted Critical
Publication of CN106797466B publication Critical patent/CN106797466B/zh
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • 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
    • H04N19/102Methods 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
    • H04N19/117Filters, e.g. for pre-processing or post-processing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • 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
    • H04N19/134Methods 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
    • H04N19/157Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • 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
    • H04N19/169Methods 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
    • H04N19/17Methods 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
    • H04N19/176Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • 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
    • H04N19/169Methods 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
    • H04N19/182Methods 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 pixel
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/513Processing of motion vectors
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/80Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • H04N19/82Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/85Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
CN201580053940.XA 2014-10-07 2015-09-22 一种处理视频数据的方法及装置 Expired - Fee Related CN106797466B (zh)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US201462061063P 2014-10-07 2014-10-07
US62/061,063 2014-10-07
US201462063330P 2014-10-13 2014-10-13
US62/063,330 2014-10-13
US14/860,250 2015-09-21
US14/860,250 US9832467B2 (en) 2014-10-07 2015-09-21 Deblock filtering for intra block copying
PCT/US2015/051420 WO2016057208A1 (en) 2014-10-07 2015-09-22 Deblock filtering for intra block copying

Publications (2)

Publication Number Publication Date
CN106797466A CN106797466A (zh) 2017-05-31
CN106797466B true CN106797466B (zh) 2019-04-23

Family

ID=55633738

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201580053940.XA Expired - Fee Related CN106797466B (zh) 2014-10-07 2015-09-22 一种处理视频数据的方法及装置

Country Status (6)

Country Link
US (1) US9832467B2 (enExample)
EP (1) EP3205097A1 (enExample)
JP (1) JP6356346B2 (enExample)
KR (1) KR101881710B1 (enExample)
CN (1) CN106797466B (enExample)
WO (1) WO2016057208A1 (enExample)

Families Citing this family (62)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MX341305B (es) * 2010-04-13 2016-08-15 Samsung Electronics Co Ltd Metodo de codificacion de video y aparato de codificacion de video y metodo de decodificacion de video y aparato de decodificacion de video, que realizan la filtracion de desbloqueo con base en unidades de codificacion en estructura de arbol.
US9510001B2 (en) 2013-07-09 2016-11-29 Electronics And Telecommunications Research Institute Video decoding method and apparatus using the same
CA2928495C (en) * 2013-10-14 2020-08-18 Microsoft Technology Licensing, Llc Features of intra block copy prediction mode for video and image coding and decoding
KR102353787B1 (ko) 2014-01-03 2022-01-19 마이크로소프트 테크놀로지 라이센싱, 엘엘씨 비디오 및 이미지 코딩/디코딩에서의 블록 벡터 예측
US11284103B2 (en) 2014-01-17 2022-03-22 Microsoft Technology Licensing, Llc Intra block copy prediction with asymmetric partitions and encoder-side search patterns, search ranges and approaches to partitioning
US10785486B2 (en) 2014-06-19 2020-09-22 Microsoft Technology Licensing, Llc Unified intra block copy and inter prediction modes
US10856009B2 (en) * 2014-09-04 2020-12-01 Mediatek Inc. Method of block vector clipping and coding for screen content coding and video coding
EP3178228B1 (en) * 2014-09-15 2023-10-04 HFI Innovation Inc. Method of deblocking for intra block copy in video coding
GB2531003A (en) * 2014-10-06 2016-04-13 Canon Kk Method and apparatus for vector encoding in video coding and decoding
US10212445B2 (en) * 2014-10-09 2019-02-19 Qualcomm Incorporated Intra block copy prediction restrictions for parallel processing
EP3310054A4 (en) * 2015-06-11 2019-02-27 Intellectual Discovery Co., Ltd. METHOD FOR CODING AND DECODING AN IMAGE USING ADAPTIVE DEFLECTION FILTRATION AND DEVICE THEREFOR
CN112565792B (zh) * 2015-10-19 2023-07-11 寰发股份有限公司 管理已解码图像缓存器的方法及装置
US10944962B2 (en) * 2015-11-20 2021-03-09 Electronics And Telecommunications Research Institute Method and device for encoding/decoding image by using geometrically changed image
US10511853B2 (en) * 2016-11-24 2019-12-17 Ecole De Technologie Superieure Method and system for parallel rate-constrained motion estimation in video coding
CN116233416A (zh) * 2017-01-16 2023-06-06 世宗大学校产学协力团 影像编码/解码方法
WO2019070770A1 (en) * 2017-10-02 2019-04-11 Arris Enterprises Llc SYSTEM AND METHOD FOR REDUCING BLOCKED ARTIFACTS AND PRODUCING ENHANCED ENCODING EFFICIENCY
CN114979637B (zh) * 2017-10-09 2023-10-27 佳能株式会社 用于对样本块进行滤波的方法、装置和存储介质
US10638137B2 (en) 2018-03-07 2020-04-28 Tencent America LLC Method and apparatus for video coding
US10462483B1 (en) 2018-04-26 2019-10-29 Tencent America LLC Method and apparatus for video coding
WO2019229683A1 (en) 2018-05-31 2019-12-05 Beijing Bytedance Network Technology Co., Ltd. Concept of interweaved prediction
WO2020005031A1 (ko) * 2018-06-28 2020-01-02 한국전자통신연구원 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
EP3817381A4 (en) * 2018-06-29 2022-04-27 Electronics and Telecommunications Research Institute Image encoding/decoding method and apparatus for throughput enhancement, and recording medium storing bitstream
US10448026B1 (en) * 2018-07-09 2019-10-15 Tencent America LLC Method and apparatus for block vector signaling and derivation in intra picture block compensation
US11128872B2 (en) * 2018-07-16 2021-09-21 Qualcomm Incorporated Position dependent intra prediction combination with wide angle intra prediction
US10798376B2 (en) * 2018-07-17 2020-10-06 Tencent America LLC Method and apparatus for video coding
US10848782B2 (en) 2018-09-21 2020-11-24 Tencent America LLC Method and apparatus for video coding
EP3788779A4 (en) * 2018-10-23 2022-03-02 Tencent America LLC METHOD AND DEVICE FOR VIDEO CODING
KR20260023604A (ko) * 2018-12-11 2026-02-20 인터디지털 브이씨 홀딩스 인코포레이티드 이미지를 디블록킹하기 위한 방법 및 장치
US12108051B2 (en) * 2018-12-21 2024-10-01 Electronics And Telecommunications Research Institute Image encoding/decoding method and device, and recording medium using intra block copy
WO2020141884A1 (ko) * 2019-01-02 2020-07-09 엘지전자 주식회사 Cpr 기반 mmvd를 사용하는 영상 코딩 방법 및 장치
WO2020140948A1 (en) 2019-01-02 2020-07-09 Beijing Bytedance Network Technology Co., Ltd. Motion vector derivation between dividing patterns
KR20250123246A (ko) * 2019-01-02 2025-08-14 엘지전자 주식회사 디블록킹 필터링을 사용하는 영상 코딩 방법 및 장치
CN113348669B (zh) * 2019-01-13 2024-08-27 北京字节跳动网络技术有限公司 交织预测和其他编解码工具之间的交互
US11019359B2 (en) * 2019-01-15 2021-05-25 Tencent America LLC Chroma deblock filters for intra picture block compensation
CN113196783B (zh) * 2019-01-17 2023-12-15 华为技术有限公司 去块效应滤波自适应的编码器、解码器及对应方法
CN113366844B (zh) 2019-02-02 2023-10-03 北京字节跳动网络技术有限公司 用于视频编解码中的帧内块复制的缓冲区中的数据存储
WO2020156548A1 (en) 2019-02-02 2020-08-06 Beijing Bytedance Network Technology Co., Ltd. Buffer updating for intra block copy in video coding
US11595662B2 (en) * 2019-02-06 2023-02-28 Tencent America LLC Method and apparatus for neighboring block availability in video coding
CN113439443B (zh) 2019-02-17 2025-09-26 北京字节跳动网络技术有限公司 帧内块复制Merge候选的信令通知
US11122260B2 (en) 2019-02-22 2021-09-14 Mediatek Inc. Method and apparatus of Merge list generation for Intra Block Copy mode
JP7405861B2 (ja) 2019-03-01 2023-12-26 北京字節跳動網絡技術有限公司 映像符号化におけるイントラブロックコピーのための方向に基づく予測
WO2020177661A1 (en) * 2019-03-01 2020-09-10 Beijing Bytedance Network Technology Co., Ltd. Order-based updating for intra block copy in video coding
JP7284284B2 (ja) 2019-03-04 2023-05-30 北京字節跳動網絡技術有限公司 映像符号化におけるイントラブロックコピーの実装形態の態様
WO2020228662A1 (en) * 2019-05-11 2020-11-19 Beijing Bytedance Network Technology Co., Ltd. Boundary strength determination for deblocking filters in video processing
WO2020232355A1 (en) * 2019-05-16 2020-11-19 Bytedance Inc. Intra block copy for screen content coding
CN120358344A (zh) 2019-06-20 2025-07-22 韩国电子通信研究院 视频编码/解码方法和装置以及比特流存储介质
EP3989550A4 (en) * 2019-06-20 2023-06-07 Xris Corporation METHODS FOR IMAGE SIGNAL ENCODING/DECODING AND RELATED APPARATUS
PH12022550024A1 (en) 2019-07-06 2022-11-21 Beijing Bytedance Network Tech Co Ltd Virtual prediction buffer for intra block copy in video coding
CN114175633B (zh) 2019-07-10 2023-12-29 北京字节跳动网络技术有限公司 用于视频编解码中的帧内块复制的样点标识
JP7609842B2 (ja) 2019-07-11 2025-01-07 北京字節跳動網絡技術有限公司 映像符号化におけるイントラブロックコピーのためのビットストリーム適合性の制約
CN114402598A (zh) 2019-07-19 2022-04-26 Lg电子株式会社 使用滤波的图像编码/解码方法和装置及发送比特流的方法
EP3991423A4 (en) 2019-07-25 2022-09-07 Beijing Bytedance Network Technology Co., Ltd. MAPPING RESTRICTION FOR INTRABLOC COPY VIRTUAL BUFFER
CN114208186B (zh) 2019-07-25 2023-12-22 北京字节跳动网络技术有限公司 帧内块复制虚拟缓冲区的尺寸限制
CN114868391B (zh) 2019-08-23 2024-06-25 北京字节跳动网络技术有限公司 编解码块或子块边界处的去方块滤波
CN114342410B (zh) 2019-09-05 2025-03-21 北京字节跳动网络技术有限公司 帧内块复制模式下块矢量的范围约束
CN114503580B (zh) * 2019-09-23 2024-08-02 北京字节跳动网络技术有限公司 基于虚拟管线数据单元设置帧内块复制虚拟缓冲区
US11394957B2 (en) * 2019-09-23 2022-07-19 Tencent America LLC Constraints on reference sample locations in the dedicated buffer for intra picture block compensation
EP4029271A4 (en) * 2019-10-05 2022-11-16 Huawei Technologies Co., Ltd. REMOVAL OF BLOCKING ARTIFACTS WITHIN A CODING UNIT PREDICTED BY INTRABLOCK COPY
CN116456108A (zh) * 2020-02-05 2023-07-18 Lg电子株式会社 图像解码方法、图像编码方法以及发送方法
MX2022009593A (es) 2020-02-10 2022-08-25 Panasonic Ip Corp America Codificador, decodificador, metodo de codificacion y metodo de decodificacion.
CN115362674B (zh) 2020-03-18 2026-03-17 抖音视界有限公司 处理视频数据的方法和装置、介质和存储比特流的方法
CN119893142A (zh) * 2020-03-25 2025-04-25 Oppo广东移动通信有限公司 通过确定边界强度执行去块滤波的图像编码/解码方法和设备及发送比特流的方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5311310A (en) * 1991-12-06 1994-05-10 Bell Communications Research, Inc. High efficiency coder and method employing overlapped motion compensation and perfect reconstruction filter banks
CN1650328A (zh) * 2002-05-06 2005-08-03 皇家飞利浦电子股份有限公司 增强编码的数字视频的清晰度的系统和方法
WO2010047499A2 (ko) * 2008-10-23 2010-04-29 에스케이텔레콤 주식회사 동영상 부호화/복호화 장치, 이를 위한 인트라 예측 방향에 기반한 디블록킹 필터링 장치 및 필터링 방법, 및 기록 매체
CN103535034A (zh) * 2011-05-12 2014-01-22 高通股份有限公司 用于视频译码的对块效应假影的滤波
CN103931185A (zh) * 2011-10-25 2014-07-16 高通股份有限公司 确定视频译码的解块滤波的边界强度值
CN103959778A (zh) * 2011-10-20 2014-07-30 高通股份有限公司 帧内脉码调制(ipcm)及无损失译码模式视频解块

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009126299A1 (en) 2008-04-11 2009-10-15 Thomson Licensing Deblocking filtering for displaced intra prediction and template matching
WO2012098776A1 (ja) * 2011-01-19 2012-07-26 ルネサスエレクトロニクス株式会社 画像符号化装置及び画像復号装置
JP2014011726A (ja) * 2012-07-02 2014-01-20 Canon Inc 画像符号化装置、画像符号化方法及びプログラム、画像復号装置、画像復号方法及びプログラム
US10015515B2 (en) 2013-06-21 2018-07-03 Qualcomm Incorporated Intra prediction from a predictive block
US10003818B2 (en) * 2013-10-11 2018-06-19 Sony Corporation Video coding system with intra prediction mechanism and method of operation thereof
AU2014202921B2 (en) 2014-05-29 2017-02-02 Canon Kabushiki Kaisha Method, apparatus and system for de-blocking a block of video samples
US20150373362A1 (en) 2014-06-19 2015-12-24 Qualcomm Incorporated Deblocking filter design for intra block copy

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5311310A (en) * 1991-12-06 1994-05-10 Bell Communications Research, Inc. High efficiency coder and method employing overlapped motion compensation and perfect reconstruction filter banks
CN1650328A (zh) * 2002-05-06 2005-08-03 皇家飞利浦电子股份有限公司 增强编码的数字视频的清晰度的系统和方法
WO2010047499A2 (ko) * 2008-10-23 2010-04-29 에스케이텔레콤 주식회사 동영상 부호화/복호화 장치, 이를 위한 인트라 예측 방향에 기반한 디블록킹 필터링 장치 및 필터링 방법, 및 기록 매체
CN103535034A (zh) * 2011-05-12 2014-01-22 高通股份有限公司 用于视频译码的对块效应假影的滤波
CN103959778A (zh) * 2011-10-20 2014-07-30 高通股份有限公司 帧内脉码调制(ipcm)及无损失译码模式视频解块
CN103931185A (zh) * 2011-10-25 2014-07-16 高通股份有限公司 确定视频译码的解块滤波的边界强度值

Also Published As

Publication number Publication date
KR101881710B1 (ko) 2018-07-24
US9832467B2 (en) 2017-11-28
JP6356346B2 (ja) 2018-07-11
EP3205097A1 (en) 2017-08-16
CN106797466A (zh) 2017-05-31
JP2017535165A (ja) 2017-11-24
KR20170068460A (ko) 2017-06-19
WO2016057208A1 (en) 2016-04-14
US20160100163A1 (en) 2016-04-07

Similar Documents

Publication Publication Date Title
CN106797466B (zh) 一种处理视频数据的方法及装置
US12470707B2 (en) Reusing adaptive loop filter (ALF) sub-picture boundary processing for raster-scan slice boundaries
CN105532007B (zh) 在视频译码中用于非亮度分量的自适应解块滤波
CN106105203B (zh) 块自适应颜色空间转换译码
CN106797479B (zh) 对于并行处理的帧内块复制预测限制
CN105474645B (zh) 对视频数据进行解码的方法、对视频数据进行编码的方法、视频解码装置及视频编码装置
CN105580364B (zh) 一种处理视频数据的方法,装置及计算机可读存储媒体
US11190758B2 (en) Block-based quantized residual domain pulse code modulation assignment for intra prediction mode derivation
US11432015B2 (en) Adaptive loop filtering across raster-scan slices
CN114982246B (zh) 环路滤波器的自适应舍入
CN105874797B (zh) 视频数据的编解码方法、装置、设备和存储媒体
CN105103560B (zh) 用于仅高级语法可缩放视频译码的层间参考图片限制
CN105075258B (zh) 针对具有不同纵横比的空间可缩放性的层间参考图片建构
CN110100439A (zh) 用于视频译码的帧内预测技术
CN109076218A (zh) 在视频译码中自适应环路滤波中的多个滤波器的混淆
CN106664425A (zh) 视频译码中的跨分量预测
CN105379272B (zh) 在vps中用信号通知位速率信息及图片速率信息
JP2018526881A (ja) ビデオコーディングにおける双予測を制約する方法およびシステム
CN107439013A (zh) 用于高动态范围和宽色域视频译码的动态范围调整
CN109792525A (zh) 峰值样本自适应偏移
CN106031173A (zh) 视频译码中的闪烁检测及缓解
JP2024531112A (ja) グリーンメタデータシグナリング
CA3136080C (en) Block-based quantized residual domain pulse code modulation assignment for intra prediction mode derivation

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190423

Termination date: 20210922