JP6490203B2 - 画像予測方法および関連装置 - Google Patents

画像予測方法および関連装置 Download PDF

Info

Publication number
JP6490203B2
JP6490203B2 JP2017517269A JP2017517269A JP6490203B2 JP 6490203 B2 JP6490203 B2 JP 6490203B2 JP 2017517269 A JP2017517269 A JP 2017517269A JP 2017517269 A JP2017517269 A JP 2017517269A JP 6490203 B2 JP6490203 B2 JP 6490203B2
Authority
JP
Japan
Prior art keywords
motion information
information unit
image block
pixel
unit set
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
JP2017517269A
Other languages
English (en)
Japanese (ja)
Other versions
JP2017536002A (ja
Inventor
▲煥▼浜 ▲陳▼
▲煥▼浜 ▲陳▼
四新 林
四新 林
凡 梁
凡 梁
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.)
Huawei Technologies Co Ltd
Original Assignee
Huawei Technologies 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 Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Publication of JP2017536002A publication Critical patent/JP2017536002A/ja
Priority to JP2018230221A priority Critical patent/JP7313816B2/ja
Application granted granted Critical
Publication of JP6490203B2 publication Critical patent/JP6490203B2/ja
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
    • H04N19/50—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
    • H04N19/10—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
    • H04N19/103—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
    • H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding 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
    • H04N19/10—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
    • H04N19/147—Data rate or code amount at the encoder output according to rate distortion criteria
    • 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
    • H04N19/523—Motion estimation or motion compensation with sub-pixel accuracy
    • 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
    • H04N19/537—Motion estimation other than block-based
    • 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
    • H04N19/567—Motion estimation based on rate distortion criteria
    • 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)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Image Analysis (AREA)
JP2017517269A 2014-10-27 2015-04-23 画像予測方法および関連装置 Active JP6490203B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2018230221A JP7313816B2 (ja) 2014-10-27 2018-12-07 画像予測方法および関連装置

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN201410584175.1A CN104363451B (zh) 2014-10-27 2014-10-27 图像预测方法及相关装置
CN201410584175.1 2014-10-27
PCT/CN2015/077295 WO2016065873A1 (zh) 2014-10-27 2015-04-23 图像预测方法及相关装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2018230221A Division JP7313816B2 (ja) 2014-10-27 2018-12-07 画像予測方法および関連装置

Publications (2)

Publication Number Publication Date
JP2017536002A JP2017536002A (ja) 2017-11-30
JP6490203B2 true JP6490203B2 (ja) 2019-03-27

Family

ID=52530673

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2017517269A Active JP6490203B2 (ja) 2014-10-27 2015-04-23 画像予測方法および関連装置
JP2018230221A Active JP7313816B2 (ja) 2014-10-27 2018-12-07 画像予測方法および関連装置

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2018230221A Active JP7313816B2 (ja) 2014-10-27 2018-12-07 画像予測方法および関連装置

Country Status (6)

Country Link
US (5) US10440380B2 (enExample)
EP (2) EP4387229A3 (enExample)
JP (2) JP6490203B2 (enExample)
KR (4) KR102248254B1 (enExample)
CN (1) CN104363451B (enExample)
WO (1) WO2016065873A1 (enExample)

Families Citing this family (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104363451B (zh) 2014-10-27 2019-01-25 华为技术有限公司 图像预测方法及相关装置
RU2671307C1 (ru) 2015-03-10 2018-10-30 Хуавэй Текнолоджиз Ко., Лтд. Способ предсказания изображений и связанное устройство
CN106303543B (zh) 2015-05-15 2018-10-30 华为技术有限公司 视频图像编码和解码的方法、编码设备和解码设备
CN106331722B (zh) 2015-07-03 2019-04-26 华为技术有限公司 图像预测方法和相关设备
CN105163116B (zh) 2015-08-29 2018-07-31 华为技术有限公司 图像预测的方法及设备
CN108965871B (zh) 2015-09-29 2023-11-10 华为技术有限公司 图像预测的方法及装置
KR20180059482A (ko) * 2015-10-22 2018-06-04 엘지전자 주식회사 비디오 코딩 시스템에서 인트라 예측 방법 및 장치
CN105681807B (zh) * 2016-01-06 2018-11-02 福州瑞芯微电子股份有限公司 一种基于h264协议的分像素运动矢量计算方法和装置
CN108432250A (zh) * 2016-01-07 2018-08-21 联发科技股份有限公司 用于视频编解码的仿射帧间预测的方法及装置
WO2017146526A1 (ko) * 2016-02-25 2017-08-31 주식회사 케이티 비디오 신호 처리 방법 및 장치
WO2017156705A1 (en) * 2016-03-15 2017-09-21 Mediatek Inc. Affine prediction for video coding
EP4614977A3 (en) 2016-03-15 2025-12-03 HFI Innovation Inc. Method and apparatus of video coding with affine motion compensation
US10560712B2 (en) 2016-05-16 2020-02-11 Qualcomm Incorporated Affine motion prediction for video coding
CN109076234A (zh) * 2016-05-24 2018-12-21 华为技术有限公司 图像预测方法和相关设备
US10448010B2 (en) * 2016-10-05 2019-10-15 Qualcomm Incorporated Motion vector prediction for affine motion models in video coding
CN108271023B (zh) * 2017-01-04 2021-11-19 华为技术有限公司 图像预测方法和相关设备
CN107318024A (zh) * 2017-06-27 2017-11-03 北京奇艺世纪科技有限公司 基于运动场的视频编码方法及装置
US11877001B2 (en) 2017-10-10 2024-01-16 Qualcomm Incorporated Affine prediction in video coding
KR102357142B1 (ko) 2017-11-07 2022-02-08 후아웨이 테크놀러지 컴퍼니 리미티드 비디오 코딩을 위한 인터 예측 장치 및 방법을 위한 보간 필터
WO2019117659A1 (ko) * 2017-12-14 2019-06-20 엘지전자 주식회사 움직임 벡터 도출을 기반으로 하는 영상 코딩 방법 및 그 장치
US20190208211A1 (en) * 2018-01-04 2019-07-04 Qualcomm Incorporated Generated affine motion vectors
US11245919B2 (en) 2018-03-16 2022-02-08 Sony Corporation Image processing device and image processing method
WO2019203504A1 (ko) * 2018-04-15 2019-10-24 엘지전자 주식회사 비디오 처리 시스템에서 움직임 정보에 대한 저장 공간을 감소시키는 방법 및 장치
CN116800981A (zh) * 2018-05-23 2023-09-22 寰发股份有限公司 使用双向编码单元加权的视频编码方法和装置
WO2019244719A1 (en) * 2018-06-18 2019-12-26 Sharp Kabushiki Kaisha Systems and methods for performing affine motion compensation prediction for coding of video data
CN110620923B (zh) 2018-06-19 2022-07-12 北京字节跳动网络技术有限公司 广义的运动矢量差分辨率
EP3817382A4 (en) * 2018-07-11 2021-07-28 Huawei Technologies Co., Ltd. VIDEO ENCODER, VIDEO DECODER AND RELEVANT PROCEDURE
WO2020013569A1 (ko) 2018-07-13 2020-01-16 엘지전자 주식회사 영상 코딩 시스템에서 어파인 움직임 예측에 기반한 영상 디코딩 방법 및 장치
WO2020032609A1 (ko) * 2018-08-09 2020-02-13 엘지전자 주식회사 영상 코딩 시스템에서 어파인 머지 후보 리스트를 사용하는 어파인 움직임 예측에 기반한 영상 디코딩 방법 및 장치
WO2020038232A1 (zh) * 2018-08-21 2020-02-27 华为技术有限公司 一种图像块的运动信息的预测方法及装置
KR102635047B1 (ko) 2018-09-19 2024-02-07 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 적응적 움직임 벡터 해상도를 가지는 어파인 모드에 대한 구문 재사용
CN114866777B (zh) * 2018-09-20 2024-11-22 杭州海康威视数字技术股份有限公司 一种解码、编码方法及其设备
CN112740663B (zh) * 2018-09-24 2022-06-14 华为技术有限公司 图像预测方法、装置以及相应的编码器和解码器
SG11202104022XA (en) * 2018-11-02 2021-05-28 Beijing Bytedance Network Technology Co Ltd Table maintenance for hmvp candidate storage
CN113228635B (zh) 2018-11-13 2024-01-05 北京字节跳动网络技术有限公司 用于帧内块复制的运动候选列表构建方法
US11024041B2 (en) * 2018-12-10 2021-06-01 Intel Corporation Depth and motion estimations in machine learning environments
CN113366851B (zh) 2019-01-31 2025-10-21 北京字节跳动网络技术有限公司 对称运动矢量差编解码模式的快速算法
WO2020156516A1 (en) 2019-01-31 2020-08-06 Beijing Bytedance Network Technology Co., Ltd. Context for coding affine mode adaptive motion vector resolution
CN111526362B (zh) * 2019-02-01 2023-12-29 华为技术有限公司 帧间预测方法和装置
CN110809161B (zh) * 2019-03-11 2020-12-29 杭州海康威视数字技术股份有限公司 运动信息候选者列表构建方法及装置
CN113812165B (zh) 2019-05-09 2023-05-23 北京字节跳动网络技术有限公司 对hmvp表的改进
WO2021056205A1 (zh) * 2019-09-24 2021-04-01 北京大学 一种视频处理方法、设备及存储介质
US20230134603A1 (en) * 2020-05-01 2023-05-04 Given Imaging Ltd. Systems and methods for selecting images of event indicators
US20220319019A1 (en) * 2021-03-31 2022-10-06 Nvidia Corporation Techniques to determine optical flow
US11936877B2 (en) * 2021-04-12 2024-03-19 Qualcomm Incorporated Template matching based affine prediction for video coding
WO2025150796A1 (ko) * 2024-01-08 2025-07-17 주식회사 엘엑스 세미콘 인터 예측 기반 영상 디코딩 방법 및 그 장치

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW257924B (en) 1995-03-18 1995-09-21 Daewoo Electronics Co Ltd Method and apparatus for encoding a video signal using feature point based motion estimation
JP2798120B2 (ja) * 1995-08-04 1998-09-17 日本電気株式会社 動き補償フレーム間予測方法及び動き補償フレーム間予測装置
US5959673A (en) 1995-10-05 1999-09-28 Microsoft Corporation Transform coding of dense motion vector fields for frame and object based video coding applications
JPH104555A (ja) * 1996-06-17 1998-01-06 Oki Electric Ind Co Ltd 動きベクトル検出装置
JP2000350216A (ja) * 1999-06-09 2000-12-15 Matsushita Electric Ind Co Ltd 動き係数探索装置、及び動き係数探索方法
US6735249B1 (en) * 1999-08-11 2004-05-11 Nokia Corporation Apparatus, and associated method, for forming a compressed motion vector field utilizing predictive motion coding
KR101042623B1 (ko) * 2004-11-17 2011-06-20 삼성전자주식회사 필드 가변분할방식을 이용한 디인터레이싱방법 및 장치
CN101350928A (zh) * 2008-07-29 2009-01-21 北京中星微电子有限公司 一种运动估计方法及装置
JP5401071B2 (ja) * 2008-10-09 2014-01-29 株式会社Ｎｔｔドコモ 動画像符号化装置、動画像復号装置、動画像符号化方法、動画像復号方法、動画像符号化プログラム、動画像復号プログラム、動画像処理システムおよび動画像処理方法
KR101279573B1 (ko) * 2008-10-31 2013-06-27 에스케이텔레콤 주식회사 움직임 벡터 부호화 방법 및 장치와 그를 이용한 영상 부호화/복호화 방법 및 장치
US8406569B2 (en) * 2009-01-19 2013-03-26 Sharp Laboratories Of America, Inc. Methods and systems for enhanced dynamic range images and video from multiple exposures
CN102883160B (zh) * 2009-06-26 2016-06-29 华为技术有限公司 视频图像运动信息获取方法、装置及设备、模板构造方法
US9131239B2 (en) * 2011-06-20 2015-09-08 Qualcomm Incorporated Unified merge mode and adaptive motion vector prediction mode candidates selection
JP5937594B2 (ja) * 2011-06-30 2016-06-22 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカＰａｎａｓｏｎｉｃ Ｉｎｔｅｌｌｅｃｔｕａｌ Ｐｒｏｐｅｒｔｙ Ｃｏｒｐｏｒａｔｉｏｎ ｏｆ Ａｍｅｒｉｃａ 画像復号方法及び画像復号装置
CN103891290B (zh) * 2011-08-19 2018-02-02 瑞典爱立信有限公司 运动矢量处理
CN103024378B (zh) * 2012-12-06 2016-04-13 浙江大学 一种视频编解码中运动信息导出方法及装置
CN105122803B (zh) * 2013-04-02 2019-01-08 Vid拓展公司 针对可伸缩视频编码的增强型时间运动向量预测
CN104363451B (zh) * 2014-10-27 2019-01-25 华为技术有限公司 图像预测方法及相关装置

Also Published As

Publication number Publication date
KR20170045264A (ko) 2017-04-26
US10623763B2 (en) 2020-04-14
JP2019041418A (ja) 2019-03-14
EP3177015B1 (en) 2024-04-03
BR112017007399A2 (pt) 2018-06-19
KR20200011568A (ko) 2020-02-03
KR102013771B1 (ko) 2019-08-23
US20220053208A1 (en) 2022-02-17
CN104363451B (zh) 2019-01-25
WO2016065873A1 (zh) 2016-05-06
US20170195685A1 (en) 2017-07-06
KR20190100435A (ko) 2019-08-28
KR102334151B1 (ko) 2021-12-02
US11968386B2 (en) 2024-04-23
JP7313816B2 (ja) 2023-07-25
EP3177015A4 (en) 2017-08-09
KR102070982B1 (ko) 2020-01-29
JP2017536002A (ja) 2017-11-30
US11172217B2 (en) 2021-11-09
US12382081B2 (en) 2025-08-05
EP4387229A2 (en) 2024-06-19
US20200244983A1 (en) 2020-07-30
KR20210049989A (ko) 2021-05-06
EP3177015A1 (en) 2017-06-07
CN104363451A (zh) 2015-02-18
US20240276006A1 (en) 2024-08-15
KR102248254B1 (ko) 2021-05-06
US20190289313A1 (en) 2019-09-19
EP4387229A3 (en) 2024-09-04
US10440380B2 (en) 2019-10-08

Similar Documents

Publication Publication Date Title
JP6490203B2 (ja) 画像予測方法および関連装置
JP7252282B2 (ja) 画像予測方法および関連装置
JP7335314B2 (ja) 画像予測方法および関連装置
JP6689499B2 (ja) 画像予測方法および関連装置
CN109076234A (zh) 图像预测方法和相关设备
HK1243852B (zh) 图像预测方法和相关设备

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20170511

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20170511

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20180323

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20180403

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20180703

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20180807

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20181207

A911 Transfer to examiner for re-examination before appeal (zenchi)

Free format text: JAPANESE INTERMEDIATE CODE: A911

Effective date: 20181218

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20190128

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20190226

R150 Certificate of patent or registration of utility model

Ref document number: 6490203

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250