MX338055B - Metodo y aparato para señalizacion y construccion de listas de imagenes de referencia de codificacion de video. - Google Patents

Metodo y aparato para señalizacion y construccion de listas de imagenes de referencia de codificacion de video.

Info

Publication number
MX338055B
MX338055B MX2014008573A MX2014008573A MX338055B MX 338055 B MX338055 B MX 338055B MX 2014008573 A MX2014008573 A MX 2014008573A MX 2014008573 A MX2014008573 A MX 2014008573A MX 338055 B MX338055 B MX 338055B
Authority
MX
Mexico
Prior art keywords
signaling
reference picture
picture lists
construction
video coding
Prior art date
Application number
MX2014008573A
Other languages
English (en)
Spanish (es)
Other versions
MX2014008573A (es
Inventor
Yan Ye
Yong He
Original Assignee
Vid Scale 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=47561871&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=MX338055(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Vid Scale Inc filed Critical Vid Scale Inc
Publication of MX2014008573A publication Critical patent/MX2014008573A/es
Publication of MX338055B publication Critical patent/MX338055B/es

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
    • H04N19/103—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
    • H04N19/103—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
    • H04N19/117—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
    • H04N19/124—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
    • H04N19/102—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
    • H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • 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
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • H04N19/139—Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
    • 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
    • H04N19/146—Data rate or code amount at the encoder output
    • H04N19/15—Data rate or code amount at the encoder output by monitoring actual compressed data size at the memory before deciding storage at the transmission buffer
    • 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
    • H04N19/174—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 slice, e.g. a line of blocks or a group of blocks
    • 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
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/577—Motion compensation with bidirectional frame interpolation, i.e. using B-pictures
    • 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
    • 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
    • H04N19/10—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
    • H04N19/172—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 picture, frame or field

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
MX2014008573A 2012-01-19 2013-01-10 Metodo y aparato para señalizacion y construccion de listas de imagenes de referencia de codificacion de video. MX338055B (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201261588571P 2012-01-19 2012-01-19
PCT/US2013/021014 WO2013109460A1 (en) 2012-01-19 2013-01-10 Method and apparatus for signaling and construction of video coding reference picture lists

Publications (2)

Publication Number Publication Date
MX2014008573A MX2014008573A (es) 2015-02-10
MX338055B true MX338055B (es) 2016-04-01

Family

ID=47561871

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2014008573A MX338055B (es) 2012-01-19 2013-01-10 Metodo y aparato para señalizacion y construccion de listas de imagenes de referencia de codificacion de video.

Country Status (11)

Country Link
US (5) US9467695B2 (show.php)
EP (5) EP3624447B1 (show.php)
JP (7) JP6480185B2 (show.php)
KR (7) KR102367618B1 (show.php)
CN (2) CN108462881B (show.php)
AU (2) AU2013209989B2 (show.php)
ES (2) ES2689045T3 (show.php)
MX (1) MX338055B (show.php)
PL (2) PL3624447T3 (show.php)
TW (8) TWI680672B (show.php)
WO (1) WO2013109460A1 (show.php)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10034018B2 (en) * 2011-09-23 2018-07-24 Velos Media, Llc Decoded picture buffer management
ES2689045T3 (es) * 2012-01-19 2018-11-08 Vid Scale, Inc. Método y aparato para señalización y construcción de listas de imágenes de referencia de codificación de video
US9549177B2 (en) * 2012-04-11 2017-01-17 Google Technology Holdings LLC Evaluation of signaling of collocated reference picture for temporal prediction
JP6065613B2 (ja) * 2013-01-29 2017-01-25 富士通株式会社 動画像符号化装置
US20150172669A1 (en) * 2013-03-15 2015-06-18 KASAH Technology, Inc. System and method for processing compressed images and video for improved data communication
US10412387B2 (en) * 2014-08-22 2019-09-10 Qualcomm Incorporated Unified intra-block copy and inter-prediction
US9918105B2 (en) 2014-10-07 2018-03-13 Qualcomm Incorporated Intra BC and inter unification
EP3281407B1 (en) * 2015-04-29 2021-12-08 HFI Innovation Inc. Method and apparatus for intra block copy reference list construction
CN115134591B (zh) * 2015-06-05 2024-12-27 杜比实验室特许公司 图像编解码方法、比特流存储方法
WO2020059687A1 (en) * 2018-09-21 2020-03-26 Sharp Kabushiki Kaisha Systems and methods for signaling reference pictures in video coding
CN111903134B (zh) * 2019-01-02 2023-09-12 Lg电子株式会社 通过使用帧间预测来处理视频信号的方法和装置
CN111726632B (zh) * 2019-03-18 2022-08-26 杭州海康威视数字技术股份有限公司 一种编解码方法、装置及其设备
JP7749591B2 (ja) * 2020-05-21 2025-10-06 アリババ グループ ホウルディング リミテッド 映像の符号化における参照ピクチャ処理のための方法
WO2022220382A1 (ko) * 2021-04-15 2022-10-20 엘지전자 주식회사 포인트 클라우드 데이터 전송 방법, 포인트 클라우드 데이터 전송 장치, 포인트 클라우드 데이터 수신 방법 및 포인트 클라우드 데이터 수신 장치
EP4360629A4 (en) 2021-06-25 2024-11-06 Industry Foundation of Chonnam National University PHARMACEUTICAL COMPOSITION COMPRISING A LIPASE INHIBITOR FOR THE TREATMENT OF RNA VIRAL INFECTIONS
CN116881183A (zh) * 2023-09-06 2023-10-13 北京融为科技有限公司 译码数据处理方法及装置

Family Cites Families (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100525443C (zh) * 1997-03-17 2009-08-05 松下电器产业株式会社 发送和接收动态图像数据的方法及其设备
JP2003259369A (ja) 2002-02-28 2003-09-12 Techno Mathematical Co Ltd 動画像の電子透かしを用いたエラー隠蔽方法
CN100566420C (zh) * 2002-07-15 2009-12-02 株式会社日立制作所 动态图像的编码方法
KR100679740B1 (ko) * 2004-06-25 2007-02-07 학교법인연세대학교 시점 선택이 가능한 다시점 동영상 부호화/복호화 방법
KR100760258B1 (ko) * 2004-12-10 2007-09-19 한국전자통신연구원 범용적 다시점 동영상 부호화/복호화 장치 및 방법
US8879635B2 (en) 2005-09-27 2014-11-04 Qualcomm Incorporated Methods and device for data alignment with time domain boundary
CN101491095B (zh) * 2006-03-30 2013-07-10 Lg电子株式会社 用于解码/编码视频信号的方法和装置
ES2619522T3 (es) * 2006-03-30 2017-06-26 Lg Electronics, Inc. Un método y un aparato para descodificar/codificar una señal de video multivisión
US20100091845A1 (en) 2006-03-30 2010-04-15 Byeong Moon Jeon Method and apparatus for decoding/encoding a video signal
US8532178B2 (en) 2006-08-25 2013-09-10 Lg Electronics Inc. Method and apparatus for decoding/encoding a video signal with inter-view reference picture list construction
WO2008123917A2 (en) * 2007-04-04 2008-10-16 Thomson Licensing Reference picture list management
WO2009020542A1 (en) * 2007-08-06 2009-02-12 Thomson Licensing Methods and apparatus for motion skip mode with multiple inter-view reference pictures
WO2009130561A1 (en) * 2008-04-21 2009-10-29 Nokia Corporation Method and device for video coding and decoding
TWI387347B (zh) * 2009-02-18 2013-02-21 Novatek Microelectronics Corp 圖像解碼器，參考圖資訊溝通介面以及參考圖控制方法
CN101547368B (zh) * 2009-04-24 2011-03-09 炬力集成电路设计有限公司 一种图像中参考帧的处理装置、方法以及解码器
EP2432226B1 (en) * 2009-05-11 2019-06-26 NTT DoCoMo, Inc. Moving image encoding device, method, and program, and moving image decoding device, method, and program
US20100296579A1 (en) * 2009-05-22 2010-11-25 Qualcomm Incorporated Adaptive picture type decision for video coding
CN102668561A (zh) 2009-12-17 2012-09-12 瑞典爱立信有限公司 用于视频编码的方法和设备
CN105847781B (zh) * 2010-07-21 2018-03-20 杜比实验室特许公司 用于多层帧兼容视频传输的解码方法
US20120269275A1 (en) * 2010-10-20 2012-10-25 Nokia Corporation Method and device for video coding and decoding
US9066102B2 (en) 2010-11-17 2015-06-23 Qualcomm Incorporated Reference picture list construction for generalized P/B frames in video coding
US9008176B2 (en) 2011-01-22 2015-04-14 Qualcomm Incorporated Combined reference picture list construction for video coding
US20120230409A1 (en) * 2011-03-07 2012-09-13 Qualcomm Incorporated Decoded picture buffer management
WO2012124961A2 (ko) 2011-03-11 2012-09-20 삼성전자 주식회사 영상의 부호화 방법 및 장치, 그 복호화 방법 및 장치
EP3764642B1 (en) 2011-09-19 2022-11-02 Sun Patent Trust Image encoding method
US9451284B2 (en) * 2011-10-10 2016-09-20 Qualcomm Incorporated Efficient signaling of reference picture sets
US20130094774A1 (en) * 2011-10-13 2013-04-18 Sharp Laboratories Of America, Inc. Tracking a reference picture based on a designated picture on an electronic device
EP4024871B1 (en) 2011-10-19 2024-05-22 Sun Patent Trust Image encoding method, image decoding method, image encoding device, image decoding device, and image encoding and decoding device
ES2689045T3 (es) * 2012-01-19 2018-11-08 Vid Scale, Inc. Método y aparato para señalización y construcción de listas de imágenes de referencia de codificación de video

Also Published As

Publication number Publication date
US20130188697A1 (en) 2013-07-25
CN108462881A (zh) 2018-08-28
JP7393474B2 (ja) 2023-12-06
KR20230111277A (ko) 2023-07-25
PL3917140T3 (pl) 2023-12-04
KR20140120347A (ko) 2014-10-13
PL3624447T3 (pl) 2021-11-22
JP2019088022A (ja) 2019-06-06
MX2014008573A (es) 2015-02-10
US20250150577A1 (en) 2025-05-08
JP2015508248A (ja) 2015-03-16
TWI863690B (zh) 2024-11-21
JP2022105762A (ja) 2022-07-14
KR20220146715A (ko) 2022-11-01
KR102037545B1 (ko) 2019-10-28
KR102367618B1 (ko) 2022-02-28
EP3624447B1 (en) 2021-05-26
TWI760276B (zh) 2022-04-01
KR102559468B1 (ko) 2023-07-24
TW202031050A (zh) 2020-08-16
KR20190122874A (ko) 2019-10-30
TWI825592B (zh) 2023-12-11
ES2780849T3 (es) 2020-08-27
KR20210083385A (ko) 2021-07-06
AU2013209989B2 (en) 2017-01-12
TWI573445B (zh) 2017-03-01
TWI680672B (zh) 2019-12-21
TW202201965A (zh) 2022-01-01
US20160381361A1 (en) 2016-12-29
TW201637452A (zh) 2016-10-16
US10771780B2 (en) 2020-09-08
TW201342928A (zh) 2013-10-16
US20230026503A1 (en) 2023-01-26
TW202249490A (zh) 2022-12-16
KR102163103B1 (ko) 2020-10-08
ES2689045T3 (es) 2018-11-08
KR20200115684A (ko) 2020-10-07
WO2013109460A1 (en) 2013-07-25
JP2024009229A (ja) 2024-01-19
JP2020096387A (ja) 2020-06-18
US11490074B2 (en) 2022-11-01
CN104170390B (zh) 2018-05-08
JP2025156470A (ja) 2025-10-14
JP6480185B2 (ja) 2019-03-06
TW202433937A (zh) 2024-08-16
JP2025004116A (ja) 2025-01-14
EP3383042A1 (en) 2018-10-03
KR102273741B1 (ko) 2021-07-05
TW202512729A (zh) 2025-03-16
TWI741503B (zh) 2021-10-01
US20200336737A1 (en) 2020-10-22
EP3624447A1 (en) 2020-03-18
JP7083000B2 (ja) 2022-06-09
US12238275B2 (en) 2025-02-25
JP7568820B2 (ja) 2024-10-16
TWI634781B (zh) 2018-09-01
EP4224845A1 (en) 2023-08-09
TW201921951A (zh) 2019-06-01
US9467695B2 (en) 2016-10-11
KR20220025300A (ko) 2022-03-03
EP2805512A1 (en) 2014-11-26
CN108462881B (zh) 2021-07-09
AU2017202286A1 (en) 2017-04-27
EP2805512B1 (en) 2018-06-27
JP7723167B2 (ja) 2025-08-13
EP3917140A1 (en) 2021-12-01
TW201811030A (zh) 2018-03-16
EP3917140B1 (en) 2023-07-19
AU2013209989A1 (en) 2014-08-21
EP3383042B1 (en) 2019-11-27
CN104170390A (zh) 2014-11-26
KR102460288B1 (ko) 2022-10-27

Similar Documents

Publication Publication Date Title
MX2014008573A (es) Metodo y aparato para señalizacion y construccion de listas de imagenes de referencia de codificacion de video.
MY155173A (en) Method and apparatus for encoding video, and method and apparatus for decoding video
MX340433B (es) Metodo de codificacion de imagenes de video, dispositivo de codificacion de imagenes de video, metodo de decodificacion de imagenes de video, dispositivo de decodificacion de imagenes de video y dispositivo de codificacion/decodificacion de imagenes de video.
PH12018501497A1 (en) Method and apparatus for determining reference images for inter-prediction
MX2016002926A (es) Codec de contenido de pantalla universal.
GB201321333D0 (en) Method and apparatus for intra prediction within display screen
MY160172A (en) Method and apparatus for encoding and decoding image through intra prediction
EP3078192A4 (en) Method of video coding using prediction based on intra picture block copy
EP3069514A4 (en) Method of video coding using prediction based on intra picture block copy
EP3033886A4 (en) Method of video coding using prediction based on intra picture block copy
GB2561507B (en) Method and apparatus for affine merge mode prediction for video coding system
PH12017501431A1 (en) Method and apparatus for palette predictor initialization for palette coding in video and image compression
EP3180917A4 (en) Method of intra picture block copy for screen content and video coding
PH12015500254A1 (en) Methods and apparatus for encoding and decoding motion vector
PH12017502374A1 (en) Method and apparatus for encoding video and method and apparatus for decoding video determining inter-prediction reference picture list depending on block size
MY187111A (en) Method and apparatus for encoding and decoding image by using large transform unit
MY180962A (en) Image encoding apparatus and method, and image decoding apparatus and method
PH12017500702A1 (en) An apparatus, a method and a computer program for image sequence coding and decoding
IN2015MN00073A (show.php)
MY173125A (en) Methods and apparatus for intra coding a block having pixels assigned to groups
MX2019003557A (es) Aparatos, metodos y medio leible por computadora para codificar y decodificar una señal de video.
PH12013500073A1 (en) Method and apparatus for encoding and decoding image through intra prediction
MY195930A (en) Method and Apparatus for Determining Reference Images for Inter-Prediction
BR112018004469A8 (pt) Método e aparelho de inter-predição adaptativa em codificação de vídeo

Legal Events

Date Code Title Description
FG Grant or registration