KR102761095B1 - 비디오 코딩을 위한 적응형 루프 필터링 - Google Patents

비디오 코딩을 위한 적응형 루프 필터링 Download PDF

Info

Publication number
KR102761095B1
KR102761095B1 KR1020217030932A KR20217030932A KR102761095B1 KR 102761095 B1 KR102761095 B1 KR 102761095B1 KR 1020217030932 A KR1020217030932 A KR 1020217030932A KR 20217030932 A KR20217030932 A KR 20217030932A KR 102761095 B1 KR102761095 B1 KR 102761095B1
Authority
KR
South Korea
Prior art keywords
video
filter
delete delete
alf
luma
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
KR1020217030932A
Other languages
English (en)
Korean (ko)
Other versions
KR20210145749A (ko
Inventor
홍빈 리우
리 창
카이 창
시아오 치앙 추앙
지핀 뎅
Original Assignee
두인 비전 컴퍼니 리미티드
바이트댄스 아이엔씨
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 두인 비전 컴퍼니 리미티드, 바이트댄스 아이엔씨 filed Critical 두인 비전 컴퍼니 리미티드
Publication of KR20210145749A publication Critical patent/KR20210145749A/ko
Application granted granted Critical
Publication of KR102761095B1 publication Critical patent/KR102761095B1/ko
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • H04N19/117—Filters, e.g. for pre-processing or post-processing
    • 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
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence estimation
    • 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
    • H04N19/10—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
    • H04N19/70—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
KR1020217030932A 2019-04-16 2020-04-16 비디오 코딩을 위한 적응형 루프 필터링 Active KR102761095B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN2019082855 2019-04-16
CNPCT/CN2019/082855 2019-04-16
PCT/CN2020/085075 WO2020211810A1 (en) 2019-04-16 2020-04-16 On adaptive loop filtering for video coding

Publications (2)

Publication Number Publication Date
KR20210145749A KR20210145749A (ko) 2021-12-02
KR102761095B1 true KR102761095B1 (ko) 2025-02-03

Family

ID=72838028

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020217030932A Active KR102761095B1 (ko) 2019-04-16 2020-04-16 비디오 코딩을 위한 적응형 루프 필터링

Country Status (6)

Country Link
US (2) US11611747B2 (enExample)
EP (1) EP3928516A4 (enExample)
JP (2) JP7701271B2 (enExample)
KR (1) KR102761095B1 (enExample)
CN (3) CN113767632B (enExample)
WO (2) WO2020211809A1 (enExample)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11051017B2 (en) * 2018-12-20 2021-06-29 Qualcomm Incorporated Adaptive loop filter (ALF) index signaling
KR102826288B1 (ko) * 2019-05-03 2025-06-26 에이치에프아이 이노베이션 인크. 비디오 코딩 시스템에서 신택스 시그널링 및 참조 제약의 방법 및 장치
KR20250173586A (ko) 2019-06-04 2025-12-10 두인 비전 컴퍼니 리미티드 기하학적 분할 모드 코딩을 갖는 모션 후보 리스트
KR102627821B1 (ko) 2019-06-04 2024-01-23 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 이웃 블록 정보를 사용한 모션 후보 리스트 구성
EP3981150A4 (en) 2019-07-09 2022-08-03 Beijing Bytedance Network Technology Co., Ltd. SAMPLE DETERMINATION FOR ADAPTIVE LOOP FILTERING
PH12022550067A1 (en) 2019-07-11 2023-04-12 Beijing Bytedance Network Tech Co Ltd Sample padding in adaptive loop filtering
WO2021008511A1 (en) 2019-07-14 2021-01-21 Beijing Bytedance Network Technology Co., Ltd. Geometric partition mode candidate list construction in video coding
EP3984219A4 (en) 2019-07-15 2022-08-17 Beijing Bytedance Network Technology Co., Ltd. Classification in adaptive loop filtering
EP4014497A4 (en) 2019-09-14 2022-11-30 ByteDance Inc. Quantization parameter for chroma deblocking filtering
WO2021052452A1 (en) 2019-09-18 2021-03-25 Beijing Bytedance Network Technology Co., Ltd. Signaling usage of adaptive loop filter in video coding
CN114430902B (zh) 2019-09-22 2023-11-10 北京字节跳动网络技术有限公司 自适应环路滤波中的填充过程
EP4022910A4 (en) 2019-09-27 2022-11-16 Beijing Bytedance Network Technology Co., Ltd. Adaptive loop filtering between different video units
CN114450959B (zh) 2019-09-28 2024-08-02 北京字节跳动网络技术有限公司 视频编解码中的几何分割模式
CN114651442B (zh) 2019-10-09 2025-06-13 字节跳动有限公司 视频编解码中的跨分量适应性回路滤波
JP7454042B2 (ja) 2019-10-10 2024-03-21 北京字節跳動網絡技術有限公司 適応ループ・フィルタリングにおける利用可能でないサンプル位置でのパディング・プロセス
WO2021076478A1 (en) 2019-10-14 2021-04-22 Bytedance Inc. Using chroma quantization parameter in video coding
CN114846793B (zh) 2019-10-29 2025-01-07 抖音视界(北京)有限公司 跨分量自适应环路滤波器
CN114930832B (zh) 2019-11-30 2025-10-28 抖音视界(北京)有限公司 跨分量自适应滤波和子块编解码
EP4055827A4 (en) 2019-12-09 2023-01-18 ByteDance Inc. USE OF QUANTIZATION GROUPS IN VIDEO CODING
JP7393550B2 (ja) 2019-12-11 2023-12-06 北京字節跳動網絡技術有限公司 クロス成分適応ループフィルタリングのためのサンプルパディング
WO2021138293A1 (en) 2019-12-31 2021-07-08 Bytedance Inc. Adaptive color transform in video coding
WO2021136554A1 (en) 2020-01-05 2021-07-08 Beijing Bytedance Network Technology Co., Ltd. General constraints information for video coding
CN115176470B (zh) 2020-01-18 2025-05-27 抖音视界有限公司 图像/视频编解码中的自适应颜色变换
CN115315944B (zh) 2020-03-07 2025-06-13 抖音视界有限公司 视频编解码中的隐式多变换集信令通知
CN116325728A (zh) 2020-06-30 2023-06-23 抖音视界有限公司 自适应环路滤波的边界位置
US11863742B2 (en) * 2020-12-03 2024-01-02 Alibaba Group Holding Limited Method for using adaptive loop filter and system thereof
JP2024501465A (ja) * 2020-12-23 2024-01-12 クゥアルコム・インコーポレイテッド 固定されたフィルタを用いる適応ループフィルタ
CN117121481A (zh) 2021-03-17 2023-11-24 抖音视界有限公司 单独树编解码限制
WO2023020305A1 (en) * 2021-08-14 2023-02-23 Beijing Bytedance Network Technology Co., Ltd. Improved fusion mode for adaptive loop filter in video coding
WO2023051561A1 (en) * 2021-09-29 2023-04-06 Beijing Bytedance Network Technology Co., Ltd. Method, apparatus, and medium for video processing
US12395628B2 (en) * 2022-03-11 2025-08-19 Qualcomm Incorporated Adaptive loop filter with samples before deblocking filter and samples before sample adaptive offsets
CN114401020B (zh) * 2022-03-25 2022-07-01 北京航空航天大学 基于多维维纳霍夫方程的高速非理想信道自适应补偿方法
US12425572B2 (en) * 2022-10-20 2025-09-23 Tencent America LLC Local illumination compensation
CN120303929A (zh) * 2022-12-13 2025-07-11 三星电子株式会社 用于处理视频的方法和电子设备
WO2024222921A1 (en) * 2023-04-26 2024-10-31 Douyin Vision Co., Ltd. Method, apparatus, and medium for video processing
CN120281910A (zh) * 2024-01-08 2025-07-08 腾讯科技（深圳）有限公司 解码方法、编码方法、电子设备及存储介质

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130259118A1 (en) 2011-04-21 2013-10-03 Mediatek Inc. Method and Apparatus for Improved In-Loop Filtering
US20180192050A1 (en) 2017-01-04 2018-07-05 Qualcomm Incorporated Modified adaptive loop filter temporal prediction for temporal scalability support

Family Cites Families (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070058713A1 (en) 2005-09-14 2007-03-15 Microsoft Corporation Arbitrary resolution change downsizing decoder
WO2008047258A2 (en) 2006-10-20 2008-04-24 Nokia Corporation System and method for implementing low-complexity multi-view video coding
EP2215844A2 (en) 2007-10-15 2010-08-11 Nokia Corporation Motion skip and single-loop encoding for multi-view video content
KR101682147B1 (ko) * 2010-04-05 2016-12-05 삼성전자주식회사 변환 및 역변환에 기초한 보간 방법 및 장치
CN107046644B (zh) 2010-04-09 2020-03-24 三菱电机株式会社 运动图像编码装置以及运动图像解码装置
CN107197258B (zh) * 2011-03-30 2020-04-28 Lg 电子株式会社 视频解码装置和视频编码装置
EP2716046A4 (en) * 2011-05-27 2014-09-03 Mediatek Inc METHOD AND APPARATUS FOR CIRCUIT BREAKER REDUCTION FOR VIDEO PROCESSING
CN102857746B (zh) * 2011-06-28 2017-03-29 中兴通讯股份有限公司 环路滤波编解码方法及装置
US9432700B2 (en) * 2011-09-27 2016-08-30 Broadcom Corporation Adaptive loop filtering in accordance with video coding
US9357235B2 (en) * 2011-10-13 2016-05-31 Qualcomm Incorporated Sample adaptive offset merged with adaptive loop filter in video coding
US20130107973A1 (en) 2011-10-28 2013-05-02 Qualcomm Incorporated Loop filtering control over tile boundaries
CN103096054B (zh) * 2011-11-04 2015-07-08 华为技术有限公司 一种视频图像滤波处理方法和装置
MX2014005606A (es) * 2011-11-08 2014-08-01 Kt Corp Metodo y aparato para codificar imagenes, y metodo y aparato para decodificar imagenes.
JP2015080002A (ja) * 2012-01-19 2015-04-23 三菱電機株式会社 動画像符号化装置、動画像復号装置、動画像符号化方法及び動画像復号方法
WO2013145174A1 (ja) * 2012-03-28 2013-10-03 株式会社 東芝 動画像符号化方法、動画像復号方法、動画像符号化装置及び動画像復号装置
US9591331B2 (en) 2012-03-28 2017-03-07 Qualcomm Incorporated Merge signaling and loop filter on/off signaling
WO2013144144A1 (en) * 2012-03-30 2013-10-03 Panasonic Corporation Syntax and semantics for adaptive loop filter and sample adaptive offset
GB2501535A (en) * 2012-04-26 2013-10-30 Sony Corp Chrominance Processing in High Efficiency Video Codecs
TW201507443A (zh) 2013-05-15 2015-02-16 Vid Scale Inc 基於單迴路解碼之多層視訊編碼
US20150049821A1 (en) 2013-08-16 2015-02-19 Qualcomm Incorporated In-loop depth map filtering for 3d video coding
KR102257269B1 (ko) 2013-10-14 2021-05-26 마이크로소프트 테크놀로지 라이센싱, 엘엘씨 비디오 및 이미지 코딩 및 디코딩을 위한 인트라 블록 카피 예측 모드의 피쳐
MX356497B (es) * 2014-03-14 2018-05-31 Vid Scale Inc Sistemas y metodos para una mejora de codificacion de video rgb.
US10271052B2 (en) 2014-03-14 2019-04-23 Qualcomm Incorporated Universal color-space inverse transform coding
AU2015231883B2 (en) 2014-03-16 2019-05-16 Interdigital Vc Holdings, Inc. Method and apparatus for the signaling of lossless video coding
US10063867B2 (en) 2014-06-18 2018-08-28 Qualcomm Incorporated Signaling HRD parameters for bitstream partitions
US10057574B2 (en) * 2015-02-11 2018-08-21 Qualcomm Incorporated Coding tree unit (CTU) level adaptive loop filter (ALF)
CN104735450B (zh) * 2015-02-26 2019-06-07 北京大学 一种在视频编解码中进行自适应环路滤波的方法及装置
US11405611B2 (en) * 2016-02-15 2022-08-02 Qualcomm Incorporated Predicting filter coefficients from fixed filters for video coding
EP3453180A4 (en) 2016-05-04 2020-04-01 Microsoft Technology Licensing, LLC INTRA-IMAGE PREDICTION USING NON-ADJACENT REFERENCE LINES OF SAMPLE VALUES
WO2017192616A1 (en) 2016-05-06 2017-11-09 Vid Scale, Inc. Systems and methods for motion compensated residual prediction
EP3457690A4 (en) * 2016-05-13 2019-05-01 Sharp Kabushiki Kaisha IMAGE DECODING DEVICE AND IMAGE ENCODING DEVICE
US11095922B2 (en) 2016-08-02 2021-08-17 Qualcomm Incorporated Geometry transformation-based adaptive loop filtering
EP3297282A1 (en) * 2016-09-15 2018-03-21 Thomson Licensing Method and apparatus for video coding with adaptive clipping
US10694202B2 (en) 2016-12-01 2020-06-23 Qualcomm Incorporated Indication of bilateral filter usage in video coding
US10708591B2 (en) * 2017-03-20 2020-07-07 Qualcomm Incorporated Enhanced deblocking filtering design in video coding
US10440396B2 (en) * 2017-03-28 2019-10-08 Qualcomm Incorporated Filter information sharing among color components
US10567768B2 (en) * 2017-04-14 2020-02-18 Apple Inc. Techniques for calculation of quantization matrices in video coding
US20180359486A1 (en) * 2017-06-07 2018-12-13 Mediatek Inc. Non-local adaptive loop filter processing
US10778974B2 (en) * 2017-07-05 2020-09-15 Qualcomm Incorporated Adaptive loop filter with enhanced classification methods
JP7390300B2 (ja) 2017-11-01 2023-12-01 ヴィド スケール インコーポレイテッド ビデオコーディングにおける適応ループフィルタを簡略化する方法
US10721469B2 (en) 2017-11-28 2020-07-21 Qualcomm Incorporated Line buffer reduction for adaptive loop filtering in video coding
WO2019126170A1 (en) 2017-12-19 2019-06-27 Vid Scale, Inc. Face discontinuity filtering for 360-degree video coding
US20190238845A1 (en) 2018-01-26 2019-08-01 Qualcomm Incorporated Adaptive loop filtering on deblocking filter results in video coding
US20190306502A1 (en) 2018-04-02 2019-10-03 Qualcomm Incorporated System and method for improved adaptive loop filtering
CN109031227B (zh) * 2018-06-25 2021-03-23 深圳大学 一种共轭梯度空时自适应处理方法及系统
WO2020143824A1 (en) 2019-01-13 2020-07-16 Beijing Bytedance Network Technology Co., Ltd. Interaction between lut and shared merge list

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130259118A1 (en) 2011-04-21 2013-10-03 Mediatek Inc. Method and Apparatus for Improved In-Loop Filtering
US20180192050A1 (en) 2017-01-04 2018-07-05 Qualcomm Incorporated Modified adaptive loop filter temporal prediction for temporal scalability support

Also Published As

Publication number Publication date
JP2023179557A (ja) 2023-12-19
WO2020211810A1 (en) 2020-10-22
US20230217021A1 (en) 2023-07-06
CN113767632B (zh) 2023-08-25
US20210385446A1 (en) 2021-12-09
KR20210145749A (ko) 2021-12-02
CN113767623B (zh) 2024-04-02
CN113767632A (zh) 2021-12-07
US11611747B2 (en) 2023-03-21
EP3928516A4 (en) 2022-06-15
EP3928516A1 (en) 2021-12-29
WO2020211809A1 (en) 2020-10-22
CN117499679A (zh) 2024-02-02
JP2022527012A (ja) 2022-05-27
JP7701271B2 (ja) 2025-07-01
CN113767623A (zh) 2021-12-07

Similar Documents

Publication Publication Date Title
KR102761095B1 (ko) 비디오 코딩을 위한 적응형 루프 필터링
CN113661708B (zh) 基于双向光流的视频编解码和解码
CN113632490B (zh) 视频处理中的非线性自适应环路滤波
US12184872B2 (en) Cross-component adaptive loop filter

Legal Events

Date Code Title Description
PA0105 International application

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

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

PG1501 Laying open of application

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

A201 Request for examination
PA0201 Request for examination

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

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

PA0302 Request for accelerated examination

St.27 status event code: A-1-2-D10-D17-exm-PA0302

St.27 status event code: A-1-2-D10-D16-exm-PA0302

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

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

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

E601 Decision to refuse application
PE0601 Decision on rejection of patent

St.27 status event code: N-2-6-B10-B15-exm-PE0601

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

PX0901 Re-examination

St.27 status event code: A-2-3-E10-E12-rex-PX0901

PX0701 Decision of registration after re-examination

St.27 status event code: A-3-4-F10-F13-rex-PX0701

X701 Decision to grant (after re-examination)
PN2301 Change of applicant

St.27 status event code: A-3-3-R10-R13-asn-PN2301

St.27 status event code: A-3-3-R10-R11-asn-PN2301

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