JP6556732B2 - パレットベースのビデオコーディングのためのカラーインデックスコーディング - Google Patents

パレットベースのビデオコーディングのためのカラーインデックスコーディング Download PDF

Info

Publication number
JP6556732B2
JP6556732B2 JP2016544069A JP2016544069A JP6556732B2 JP 6556732 B2 JP6556732 B2 JP 6556732B2 JP 2016544069 A JP2016544069 A JP 2016544069A JP 2016544069 A JP2016544069 A JP 2016544069A JP 6556732 B2 JP6556732 B2 JP 6556732B2
Authority
JP
Japan
Prior art keywords
palette
block
video
pixel
coding
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
JP2016544069A
Other languages
English (en)
Japanese (ja)
Other versions
JP2017501641A (ja
JP2017501641A5 (enExample
Inventor
プ、ウェイ
カークゼウィックズ、マルタ
ソル・ロジャルス、ジョエル
グオ、リウェイ
ジョシ、ラジャン・ラクスマン
ゾウ、フェン
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 JP2017501641A publication Critical patent/JP2017501641A/ja
Publication of JP2017501641A5 publication Critical patent/JP2017501641A5/ja
Application granted granted Critical
Publication of JP6556732B2 publication Critical patent/JP6556732B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • H04N19/124—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
    • H04N19/127—Prioritisation of hardware or computational resources
    • 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
    • H04N19/18—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 set of transform coefficients
    • 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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • 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
    • H04N19/583—Motion compensation with overlapping 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
    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • 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
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/94—Vector 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
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/93—Run-length coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Color Television Systems (AREA)
JP2016544069A 2014-01-02 2014-12-31 パレットベースのビデオコーディングのためのカラーインデックスコーディング Active JP6556732B2 (ja)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
US201461923163P 2014-01-02 2014-01-02
US61/923,163 2014-01-02
US201461924141P 2014-01-06 2014-01-06
US61/924,141 2014-01-06
US201461969759P 2014-03-24 2014-03-24
US61/969,759 2014-03-24
US14/586,820 US10362333B2 (en) 2014-01-02 2014-12-30 Color index coding for palette-based video coding
US14/586,820 2014-12-30
PCT/US2014/072999 WO2015103392A2 (en) 2014-01-02 2014-12-31 Color index coding for palette-based video coding

Publications (3)

Publication Number Publication Date
JP2017501641A JP2017501641A (ja) 2017-01-12
JP2017501641A5 JP2017501641A5 (enExample) 2018-11-08
JP6556732B2 true JP6556732B2 (ja) 2019-08-07

Family

ID=53483429

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2016544069A Active JP6556732B2 (ja) 2014-01-02 2014-12-31 パレットベースのビデオコーディングのためのカラーインデックスコーディング
JP2016544071A Active JP6896424B2 (ja) 2014-01-02 2014-12-31 パレットベースのビデオコーディングのためのカラーインデックスコーディング

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2016544071A Active JP6896424B2 (ja) 2014-01-02 2014-12-31 パレットベースのビデオコーディングのためのカラーインデックスコーディング

Country Status (10)

Country Link
US (2) US9872040B2 (enExample)
EP (2) EP3090554A1 (enExample)
JP (2) JP6556732B2 (enExample)
KR (2) KR102305988B1 (enExample)
CN (2) CN106068648B (enExample)
BR (2) BR112016015432A2 (enExample)
CA (1) CA2930174C (enExample)
ES (1) ES2702909T3 (enExample)
HU (1) HUE040502T2 (enExample)
WO (2) WO2015103392A2 (enExample)

Families Citing this family (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR112016008044A8 (pt) * 2013-10-14 2020-03-17 Microsoft Technology Licensing Llc codificador de vídeo ou imagem, decodificador de vídeo ou imagem e meio legível por computador
US9872040B2 (en) * 2014-01-02 2018-01-16 Qualcomm Incorporated Color index coding for palette-based video coding
US9699468B2 (en) * 2014-02-10 2017-07-04 Microsoft Technology Licensing, Llc Adaptive screen and video coding scheme
US10542274B2 (en) 2014-02-21 2020-01-21 Microsoft Technology Licensing, Llc Dictionary encoding and decoding of screen content
US9560364B2 (en) * 2014-02-25 2017-01-31 Fingram Co., Ltd. Encoding image data with quantizing and inverse-quantizing pixel values
CN106063265B (zh) 2014-02-26 2019-06-11 杜比实验室特许公司 用于视频压缩的基于亮度的编码工具
KR102324004B1 (ko) 2014-03-14 2021-11-09 브이아이디 스케일, 인크. 스크린 콘텐츠 코딩을 위한 팔레트 코딩
US20150326864A1 (en) * 2014-05-09 2015-11-12 Nokia Technologies Oy Method and technical equipment for video encoding and decoding
US10750198B2 (en) 2014-05-22 2020-08-18 Qualcomm Incorporated Maximum palette parameters in palette-based video coding
US10038915B2 (en) * 2014-05-22 2018-07-31 Qualcomm Incorporated Escape sample coding in palette-based video coding
US10264285B2 (en) 2014-05-22 2019-04-16 Qualcomm Incorporated Coding runs in palette-based video coding
WO2015176685A1 (en) * 2014-05-23 2015-11-26 Mediatek Inc. Methods for palette size signaling and conditional palette escape flag signaling
WO2015180052A1 (zh) * 2014-05-28 2015-12-03 北京大学深圳研究生院 一种基于字典库的视频编解码方法及装置
CN105323583B (zh) * 2014-06-13 2019-11-15 财团法人工业技术研究院 编码方法、解码方法、编解码系统、编码器与解码器
US9749628B2 (en) * 2014-07-07 2017-08-29 Hfi Innovation Inc. Methods of handling escape pixel as a predictor in index map coding
AU2014408228B2 (en) 2014-09-30 2019-09-19 Microsoft Technology Licensing, Llc Rules for intra-picture prediction modes when wavefront parallel processing is enabled
US9807402B2 (en) 2014-10-06 2017-10-31 Industrial Technology Research Institute Method of color palette coding applicable to electronic device and electronic device using the same
JP2018510539A (ja) * 2015-01-29 2018-04-12 ヴィド スケール インコーポレイテッド パレット符号化モードのためのエスケープカラー符号化
US9729885B2 (en) * 2015-02-11 2017-08-08 Futurewei Technologies, Inc. Apparatus and method for compressing color index map
WO2016197314A1 (en) 2015-06-09 2016-12-15 Microsoft Technology Licensing, Llc Robust encoding/decoding of escape-coded pixels in palette mode
GB2539486B (en) * 2015-06-18 2019-07-31 Gurulogic Microsystems Oy Encoder, decoder and method employing palette compression
US10097842B2 (en) * 2015-09-18 2018-10-09 Qualcomm Incorporated Restriction of escape pixel signaled values in palette mode video coding
WO2018018486A1 (en) * 2016-07-28 2018-02-01 Mediatek Inc. Methods of reference quantization parameter derivation for signaling of quantization parameter in quad-tree plus binary tree structure
US10375398B2 (en) 2017-03-24 2019-08-06 Google Llc Lightfield compression for per-pixel, on-demand access by a graphics processing unit
KR20200038944A (ko) * 2017-08-22 2020-04-14 파나소닉 인텔렉츄얼 프로퍼티 코포레이션 오브 아메리카 이미지 인코더, 이미지 디코더, 이미지 인코딩 방법 및 이미지 디코딩 방법
TWI709330B (zh) * 2018-03-06 2020-11-01 聯發科技股份有限公司 調色板解碼的裝置和方法
DE102018112215B3 (de) * 2018-04-30 2019-07-25 Basler Ag Quantisiererbestimmung, computerlesbares Medium und Vorrichtung, die mindestens zwei Quantisierer implementiert
CN112219399B (zh) * 2018-07-04 2025-01-24 阿里巴巴集团控股有限公司 视频压缩系统中基于调色板的残差编码
AU2020260657A1 (en) * 2019-04-26 2021-11-11 Huawei Technologies Co., Ltd. Method and apparatus for signaling of mapping function of chroma quantization parameter
WO2021040488A1 (ko) * 2019-08-29 2021-03-04 엘지전자 주식회사 팔레트 모드에서의 이스케이프 이진화 기반 영상 또는 비디오 코딩
KR20210027174A (ko) * 2019-08-30 2021-03-10 주식회사 케이티 비디오 신호 처리 방법 및 장치
JP7358136B2 (ja) 2019-09-17 2023-10-10 キヤノン株式会社 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
WO2021055114A1 (en) * 2019-09-20 2021-03-25 Alibaba Group Holding Limited Method and system for signaling chroma quantization parameter offset
US11076151B2 (en) * 2019-09-30 2021-07-27 Ati Technologies Ulc Hierarchical histogram calculation with application to palette table derivation
EP4026326A4 (en) * 2019-10-10 2022-11-30 Beijing Dajia Internet Information Technology Co., Ltd. Methods and apparatus of video coding using palette mode
EP4052464A4 (en) * 2019-11-01 2023-02-15 Beijing Dajia Internet Information Technology Co., Ltd. RESIDUAL AND COEFFICIENT CODING METHODS AND APPARATUS
CN114788289B (zh) 2019-12-03 2024-07-30 阿里巴巴（中国）有限公司 使用调色板模式的视频处理方法和装置
CN115086664A (zh) * 2021-03-13 2022-09-20 腾讯科技（深圳）有限公司 未匹配像素的解码方法、编码方法、解码器以及编码器
CN114374847B (zh) * 2022-01-17 2024-06-25 海宁奕斯伟集成电路设计有限公司 图像压缩方法、装置、设备及计算机可读存储介质
WO2023182697A1 (ko) * 2022-03-22 2023-09-28 현대자동차주식회사 인접 정보 기반 팔레트 모드를 이용하는 비디오 코딩을 위한 방법 및 장치
CN117834892A (zh) 2022-09-29 2024-04-05 腾讯科技（深圳）有限公司 视频编码方法和装置、计算设备、存储介质及程序产品

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69536096D1 (de) 1994-03-25 2010-09-30 Nec Corp Bildwiedergabevorrichtung
JPH1188700A (ja) * 1997-09-04 1999-03-30 Hitachi Ltd カラー画像信号の符号化方法、復号化方法およびカラー画像処理装置
DE19817720A1 (de) 1998-04-21 1999-10-28 Heidelberger Druckmasch Ag Verfahren zur Bilddatenkomprimierung für Zwei-Farben-Bilder
US6411730B1 (en) 1999-01-15 2002-06-25 Adobe Systems Incorporated Histogram for generating a palette of colors
US7050492B1 (en) 1999-07-12 2006-05-23 Pixelon.Com, Inc. Matching of a reduced spectrum lighting source with video encoding program variables for increased data compression ratios
US6466274B1 (en) 1999-11-08 2002-10-15 Corporate Media Partners System and method for color palette translation
US6801220B2 (en) 2001-01-26 2004-10-05 International Business Machines Corporation Method and apparatus for adjusting subpixel intensity values based upon luminance characteristics of the subpixels for improved viewing angle characteristics of liquid crystal displays
US7136533B2 (en) 2002-12-19 2006-11-14 Hewlett-Packard Development Company, L.P. Color image compression with adaptive prediction
JP4599396B2 (ja) 2004-03-26 2010-12-15 エルジー エレクトロニクス インコーポレイティド 記録媒体及び記録媒体に記録されたテキストサブタイトルストリームの再生方法及びその装置
JP2010045589A (ja) * 2008-08-12 2010-02-25 Ricoh Co Ltd 画像処理装置、画像処理方法およびプログラム
US20110119716A1 (en) 2009-03-12 2011-05-19 Mist Technology Holdings, Inc. System and Method for Video Distribution Management with Mobile Services
US8259816B2 (en) 2009-03-12 2012-09-04 MIST Innovations, Inc. System and method for streaming video to a mobile device
JP2011166213A (ja) * 2010-02-04 2011-08-25 Canon Inc 画像処理装置
JP5614122B2 (ja) 2010-06-21 2014-10-29 富士ゼロックス株式会社 画像データ復号装置
US8976861B2 (en) * 2010-12-03 2015-03-10 Qualcomm Incorporated Separately coding the position of a last significant coefficient of a video block in video coding
US20120163456A1 (en) 2010-12-22 2012-06-28 Qualcomm Incorporated Using a most probable scanning order to efficiently code scanning order information for a video block in video coding
US8611653B2 (en) 2011-01-28 2013-12-17 Eye Io Llc Color conversion based on an HVS model
US8582876B2 (en) 2011-11-15 2013-11-12 Microsoft Corporation Hybrid codec for compound image compression
WO2015091879A2 (en) 2013-12-19 2015-06-25 Canon Kabushiki Kaisha Improved encoding process using a palette mode
US9872040B2 (en) * 2014-01-02 2018-01-16 Qualcomm Incorporated Color index coding for palette-based video coding
US9699468B2 (en) * 2014-02-10 2017-07-04 Microsoft Technology Licensing, Llc Adaptive screen and video coding scheme
US10506243B2 (en) 2014-03-06 2019-12-10 Samsung Electronics Co., Ltd. Image decoding method and device therefor, and image encoding method and device therefor
US10091512B2 (en) 2014-05-23 2018-10-02 Futurewei Technologies, Inc. Advanced screen content coding with improved palette table and index map coding methods
JP6532222B2 (ja) * 2014-11-28 2019-06-19 キヤノン株式会社 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

Also Published As

Publication number Publication date
EP3090552B1 (en) 2018-09-26
CA2930174A1 (en) 2015-07-09
WO2015103392A3 (en) 2015-09-03
KR20160102071A (ko) 2016-08-26
US20150189302A1 (en) 2015-07-02
CN105874796A (zh) 2016-08-17
CN106068648B (zh) 2019-01-11
BR112016015546B1 (pt) 2023-03-28
KR20160102072A (ko) 2016-08-26
US9872040B2 (en) 2018-01-16
JP2017501641A (ja) 2017-01-12
CN105874796B (zh) 2018-10-02
EP3090552A2 (en) 2016-11-09
CN106068648A (zh) 2016-11-02
BR112016015432A2 (pt) 2017-08-08
BR112016015546A2 (pt) 2017-08-08
WO2015103390A1 (en) 2015-07-09
JP6896424B2 (ja) 2021-06-30
US20150189319A1 (en) 2015-07-02
JP2017507537A (ja) 2017-03-16
CA2930174C (en) 2020-02-25
WO2015103392A2 (en) 2015-07-09
KR102305988B1 (ko) 2021-09-27
ES2702909T3 (es) 2019-03-06
HUE040502T2 (hu) 2019-03-28
EP3090554A1 (en) 2016-11-09
US10362333B2 (en) 2019-07-23
KR101977450B1 (ko) 2019-05-10

Similar Documents

Publication Publication Date Title
JP6556732B2 (ja) パレットベースのビデオコーディングのためのカラーインデックスコーディング
US10097842B2 (en) Restriction of escape pixel signaled values in palette mode video coding
JP6640105B2 (ja) ビデオコーディングにおけるパレットサイズ、パレットエントリ、およびパレットコード化ブロックのフィルタリングの決定
US9900617B2 (en) Single color palette mode in video coding
JP6625565B2 (ja) パレットベースのビデオコーディングにおける最大パレットパラメータ
CN107409215B (zh) 用于视频译码的调色板模式译码
JP6625644B2 (ja) サブサンプリングフォーマットのためのパレットモード
JP6571162B2 (ja) パレットモード符号化および復号の設計
JP6553090B2 (ja) パレットベースのビデオコーディングにおけるコーディングのラン
US10097837B2 (en) Palette run hiding in palette-based video coding
EP3198873A1 (en) Parsing dependency reduction for palette index coding
JP2017527168A (ja) 高度パレット予測およびシグナリング
US9961351B2 (en) Palette mode coding
US9848198B2 (en) Diagonal copy for palette mode coding

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20171213

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20171213

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20180927

A871 Explanation of circumstances concerning accelerated examination

Free format text: JAPANESE INTERMEDIATE CODE: A871

Effective date: 20180927

A975 Report on accelerated examination

Free format text: JAPANESE INTERMEDIATE CODE: A971005

Effective date: 20181030

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20181113

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20190213

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20190415

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: 20190611

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20190710

R150 Certificate of patent or registration of utility model

Ref document number: 6556732

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