DE69518801D1 - Bewegungsadaptive Bewegungskompensationskodierungsmethode und -vorrichtung - Google Patents

Bewegungsadaptive Bewegungskompensationskodierungsmethode und -vorrichtung

Info

Publication number
DE69518801D1
DE69518801D1 DE69518801T DE69518801T DE69518801D1 DE 69518801 D1 DE69518801 D1 DE 69518801D1 DE 69518801 T DE69518801 T DE 69518801T DE 69518801 T DE69518801 T DE 69518801T DE 69518801 D1 DE69518801 D1 DE 69518801D1
Authority
DE
Germany
Prior art keywords
coding method
motion
compensation coding
motion compensation
adaptive
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
DE69518801T
Other languages
English (en)
Other versions
DE69518801T2 (de
Inventor
Jechang Jeong
Sungtae Kim
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.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics Co Ltd
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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of DE69518801D1 publication Critical patent/DE69518801D1/de
Application granted granted Critical
Publication of DE69518801T2 publication Critical patent/DE69518801T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • H04N19/50—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
    • H04N19/527—Global motion vector 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
    • H04N19/50—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
    • H04N19/513—Processing of motion vectors
    • 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
    • H04N19/115—Selection of the code volume for a coding unit prior to 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
    • H04N19/10—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
    • H04N19/136—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
    • H04N19/169—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
    • 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
    • H04N19/182—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 pixel
    • 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
    • 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
    • H04N19/10—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
    • 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
    • H04N19/152—Data rate or code amount at the encoder output by measuring the fullness of the transmission buffer
DE1995618801 1994-06-15 1995-06-14 Bewegungsadaptive Bewegungskompensationskodierungsmethode und -vorrichtung Expired - Fee Related DE69518801T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019940013488A KR0148154B1 (ko) 1994-06-15 1994-06-15 움직임크기에 따른 동영상데이타의 부호화방법 및 장치

Publications (2)

Publication Number Publication Date
DE69518801D1 true DE69518801D1 (de) 2000-10-19
DE69518801T2 DE69518801T2 (de) 2001-01-11

Family

ID=19385333

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1995618801 Expired - Fee Related DE69518801T2 (de) 1994-06-15 1995-06-14 Bewegungsadaptive Bewegungskompensationskodierungsmethode und -vorrichtung

Country Status (6)

Country Link
US (1) US5657087A (de)
EP (1) EP0689359B1 (de)
JP (1) JP2801559B2 (de)
KR (1) KR0148154B1 (de)
CN (1) CN1084110C (de)
DE (1) DE69518801T2 (de)

Families Citing this family (64)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100211916B1 (ko) * 1995-10-26 1999-08-02 김영환 물체 모양정보 부호화에서의 부호화타입과 모드의 결정방법
JP3183155B2 (ja) * 1996-03-18 2001-07-03 株式会社日立製作所 画像復号化装置、及び、画像復号化方法
JP3774954B2 (ja) * 1996-10-30 2006-05-17 株式会社日立製作所 動画像の符号化方法
JPH10210473A (ja) * 1997-01-16 1998-08-07 Toshiba Corp 動きベクトル検出装置
JP3748895B2 (ja) * 1997-02-13 2006-02-22 三菱電機株式会社 符号化装置及び復号装置及び符号化方法及び復号方法
CN1208971C (zh) * 1997-02-14 2005-06-29 日本电信电话株式会社 运动图像的预测编码方法和译码方法
EP0921688B1 (de) * 1997-06-25 2007-08-22 Nippon Telegraph and Telephone Corporation Bewegungsprädiktives bildkodierungsverfahren sowie speichermedium zur speicherung des entsprechenden programms
US7206346B2 (en) * 1997-06-25 2007-04-17 Nippon Telegraph And Telephone Corporation Motion vector predictive encoding method, motion vector decoding method, predictive encoding apparatus and decoding apparatus, and storage media storing motion vector predictive encoding and decoding programs
DE69803639T2 (de) 1997-08-07 2002-08-08 Matsushita Electric Ind Co Ltd Vorrichtung und Verfahren zur Detektion eines Bewegungsvektors
CN1164122C (zh) * 1997-11-07 2004-08-25 皇家菲利浦电子有限公司 图象序列编码
US6353683B1 (en) 1997-12-10 2002-03-05 Matsushita Electric Industrial Co., Ltd. Method and apparatus of image processing, and data storage media
DE69813911T2 (de) 1998-10-13 2004-02-05 Stmicroelectronics Asia Pacific Pte Ltd. VERFAHREN ZUR BESTIMMUNG VON BEWEGUNGSVEKTORFELDERN MIT LOKALER BEWEGUNGSSCHäTZUNG
JP4280353B2 (ja) * 1999-03-19 2009-06-17 キヤノン株式会社 符号化装置、画像処理装置、符号化方法、及び記録媒体
JP3753578B2 (ja) * 1999-12-07 2006-03-08 Ｎｅｃエレクトロニクス株式会社 動きベクトル探索装置および方法
US6609035B1 (en) * 2000-04-25 2003-08-19 Emhart Glass S.A. Adaptive motion controller
KR100683849B1 (ko) * 2000-06-28 2007-02-15 삼성전자주식회사 디지털 영상 안정화기능을 갖는 디코더 및 디지털영상안정화방법
WO2002067199A1 (fr) * 2001-02-19 2002-08-29 Honda Giken Kogyo Kabushiki Kaisha Dispositif et procede de reconnaissance de cible
JP2003143609A (ja) * 2001-08-21 2003-05-16 Canon Inc 画像処理装置、画像処理方法、記録媒体及びプログラム
US7050500B2 (en) * 2001-08-23 2006-05-23 Sharp Laboratories Of America, Inc. Method and apparatus for motion vector coding with global motion parameters
EP1430724B1 (de) * 2001-09-12 2008-08-06 Nxp B.V. Bewegungsschätzung und/oder kompensation
JP2003274410A (ja) * 2002-03-13 2003-09-26 Hitachi Ltd 監視映像の符号化装置及び復号装置並びに符号化方法
KR20040099100A (ko) 2002-04-19 2004-11-26 마쯔시다덴기산교 가부시키가이샤 움직임 벡터 계산 방법
JP4120301B2 (ja) * 2002-04-25 2008-07-16 ソニー株式会社 画像処理装置およびその方法
JP2004048390A (ja) * 2002-07-11 2004-02-12 Matsushita Electric Ind Co Ltd 動画像符号化装置及び方法
US7421129B2 (en) * 2002-09-04 2008-09-02 Microsoft Corporation Image compression and synthesis for video effects
GB0227566D0 (en) 2002-11-26 2002-12-31 British Telecomm Method and system for estimating global motion in video sequences
GB0227570D0 (en) 2002-11-26 2002-12-31 British Telecomm Method and system for estimating global motion in video sequences
US7408989B2 (en) * 2003-01-16 2008-08-05 Vix5 Systems Inc Method of video encoding using windows and system thereof
US7408986B2 (en) * 2003-06-13 2008-08-05 Microsoft Corporation Increasing motion smoothness using frame interpolation with motion analysis
US7558320B2 (en) * 2003-06-13 2009-07-07 Microsoft Corporation Quality control in frame interpolation with motion analysis
US7453940B2 (en) * 2003-07-15 2008-11-18 Lsi Corporation High quality, low memory bandwidth motion estimation processor
US7738554B2 (en) 2003-07-18 2010-06-15 Microsoft Corporation DC coefficient signaling at small quantization step sizes
US8218624B2 (en) * 2003-07-18 2012-07-10 Microsoft Corporation Fractional quantization step sizes for high bit rates
US10554985B2 (en) 2003-07-18 2020-02-04 Microsoft Technology Licensing, Llc DC coefficient signaling at small quantization step sizes
US7580584B2 (en) * 2003-07-18 2009-08-25 Microsoft Corporation Adaptive multiple quantization
US7602851B2 (en) * 2003-07-18 2009-10-13 Microsoft Corporation Intelligent differential quantization of video coding
US7801383B2 (en) 2004-05-15 2010-09-21 Microsoft Corporation Embedded scalar quantizers with arbitrary dead-zone ratios
US7751632B2 (en) * 2005-02-15 2010-07-06 Panasonic Corporation Intelligent, dynamic, long-term digital surveilance media storage system
US8588304B2 (en) * 2005-03-31 2013-11-19 Panasonic Corporation Video decoding device, video decoding method, video decoding program, and video decoding integrated circuit
US8422546B2 (en) 2005-05-25 2013-04-16 Microsoft Corporation Adaptive video encoding using a perceptual model
US7974340B2 (en) 2006-04-07 2011-07-05 Microsoft Corporation Adaptive B-picture quantization control
US8130828B2 (en) 2006-04-07 2012-03-06 Microsoft Corporation Adjusting quantization to preserve non-zero AC coefficients
US7995649B2 (en) 2006-04-07 2011-08-09 Microsoft Corporation Quantization adjustment based on texture level
US8059721B2 (en) 2006-04-07 2011-11-15 Microsoft Corporation Estimating sample-domain distortion in the transform domain with rounding compensation
US8503536B2 (en) 2006-04-07 2013-08-06 Microsoft Corporation Quantization adjustments for DC shift artifacts
US8711925B2 (en) 2006-05-05 2014-04-29 Microsoft Corporation Flexible quantization
US8340185B2 (en) 2006-06-27 2012-12-25 Marvell World Trade Ltd. Systems and methods for a motion compensated picture rate converter
KR100772194B1 (ko) * 2006-07-26 2007-11-01 한국전자통신연구원 피사체의 움직임 여부에 기초하여 영상의 선택적 출력이가능한 네트워크 기반 지능형 이동 로봇 및 그 방법
US8238424B2 (en) 2007-02-09 2012-08-07 Microsoft Corporation Complexity-based adaptive preprocessing for multiple-pass video compression
US8498335B2 (en) 2007-03-26 2013-07-30 Microsoft Corporation Adaptive deadzone size adjustment in quantization
US8243797B2 (en) 2007-03-30 2012-08-14 Microsoft Corporation Regions of interest for quality adjustments
US8442337B2 (en) 2007-04-18 2013-05-14 Microsoft Corporation Encoding adjustments for animation content
US8331438B2 (en) 2007-06-05 2012-12-11 Microsoft Corporation Adaptive selection of picture-level quantization parameters for predicted video pictures
JP2009081622A (ja) * 2007-09-26 2009-04-16 Oki Semiconductor Co Ltd 動画像圧縮符号化装置
US8189933B2 (en) 2008-03-31 2012-05-29 Microsoft Corporation Classifying and controlling encoding quality for textured, dark smooth and smooth video content
JP4506875B2 (ja) * 2008-05-19 2010-07-21 ソニー株式会社 画像処理装置および画像処理方法
US8897359B2 (en) 2008-06-03 2014-11-25 Microsoft Corporation Adaptive quantization for enhancement layer video coding
JP2013074571A (ja) * 2011-09-29 2013-04-22 Sony Corp 画像処理装置および方法、プログラム、並びに記録媒体
KR20140006190A (ko) * 2012-06-27 2014-01-16 삼성전자주식회사 광학측정장치 및 그 제어방법
CN104301703A (zh) * 2013-07-16 2015-01-21 联咏科技股份有限公司 匹配搜寻方法与匹配搜寻系统
US20150146784A1 (en) * 2013-11-26 2015-05-28 Vixs Systems Inc. Motion compensation with moving window
CN104680504B (zh) * 2013-11-26 2018-06-08 杭州海康威视数字技术股份有限公司 场景变化检测方法及其装置
US10681374B2 (en) * 2017-11-16 2020-06-09 Google Llc Diversified motion using multiple global motion models
CN115442522B (zh) * 2022-08-10 2023-11-21 深圳市贝嘉技术有限公司 基于显微镜的成像调整方法、装置、设备及存储介质

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE68922610T2 (de) * 1989-09-25 1996-02-22 Rai Radiotelevisione Italiana Umfassendes System zur Codierung und Übertragung von Videosignalen mit Bewegungsvektoren.
GB9019538D0 (en) * 1990-09-07 1990-10-24 Philips Electronic Associated Tracking a moving object
SE469412B (sv) * 1992-04-13 1993-06-28 Dv Sweden Ab Saett att adaptivt estimera icke oenskade globala bildinstabiliteter i bildsekvenser i digitala videosignaler
US5473379A (en) * 1993-11-04 1995-12-05 At&T Corp. Method and apparatus for improving motion compensation in digital video coding

Also Published As

Publication number Publication date
JPH0870460A (ja) 1996-03-12
EP0689359A3 (de) 1997-05-02
EP0689359B1 (de) 2000-09-13
US5657087A (en) 1997-08-12
CN1115953A (zh) 1996-01-31
CN1084110C (zh) 2002-05-01
JP2801559B2 (ja) 1998-09-21
KR0148154B1 (ko) 1998-09-15
KR960003404A (ko) 1996-01-26
EP0689359A2 (de) 1995-12-27
DE69518801T2 (de) 2001-01-11

Similar Documents

Publication Publication Date Title
DE69518801T2 (de) Bewegungsadaptive Bewegungskompensationskodierungsmethode und -vorrichtung
DE69333394D1 (de) Hochwirksames Kodierverfahren und -gerät
DE69523652T2 (de) Kodierungsvorrichtung
DE69425179D1 (de) Kodierungsvorrichtung und -verfahren
DE69435000D1 (de) Bildkodierungsvorrichtung
DE69434018D1 (de) Bildkodierungsverfahren und -vorrichtung
DE69326990D1 (de) Kodierungssystem und -verfahren
DE69430147D1 (de) Bildkodierungsverfahren, und -vorrichtung
DK33698A (da) Adaptiv kodningsfremgangsmåde
DE69123646T2 (de) Kodierverfahren und -vorrichtung
DE69526711T2 (de) Bildkodierungsvorrichtung und -verfahren
DE69712234T2 (de) Kodierungsverfahren und -gerät
DE69125315D1 (de) Kodierverfahren und Kodiervorrichtung
FI962103A0 (fi) Höyrystyslaite ja menetelmä
DE69521191T2 (de) Kodier- und Dekodiervorrichtung und -verfahren
AU5058098A (en) Prediction method and device with motion compensation
DE69702261D1 (de) Sprachkodierung
DE69620586D1 (de) Adaptive Konturenkodierung
DE69701927D1 (de) Adaptive Transformationscodierungsvorrichtung und entsprechende Decodierungsvorrichtung
DE69529809D1 (de) Dekodierungsverfahren und -vorrichtung
FI971677A (fi) Adaptiivinen tasain
FI100497B (fi) Mukautuva käyttöliittymä
DE69334116D1 (de) Kodierungsvorrichtung
DE69526843T2 (de) Kodierapparat
DE69531238D1 (de) Adaptive grenzpuffer

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee