JP6698077B2 - モデルベースの映像符号化用の知覚的最適化 - Google Patents
モデルベースの映像符号化用の知覚的最適化 Download PDFInfo
- Publication number
- JP6698077B2 JP6698077B2 JP2017513750A JP2017513750A JP6698077B2 JP 6698077 B2 JP6698077 B2 JP 6698077B2 JP 2017513750 A JP2017513750 A JP 2017513750A JP 2017513750 A JP2017513750 A JP 2017513750A JP 6698077 B2 JP6698077 B2 JP 6698077B2
- Authority
- JP
- Japan
- Prior art keywords
- block
- frame
- tcsf
- quantization parameter
- motion vector
- 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
Links
- 238000005457 optimization Methods 0.000 title description 8
- 230000033001 locomotion Effects 0.000 claims description 266
- 239000013598 vector Substances 0.000 claims description 200
- 238000013139 quantization Methods 0.000 claims description 119
- 238000000034 method Methods 0.000 claims description 110
- 230000002123 temporal effect Effects 0.000 claims description 68
- 230000008569 process Effects 0.000 claims description 33
- 230000035945 sensitivity Effects 0.000 claims description 32
- 230000006870 function Effects 0.000 claims description 19
- 238000004364 calculation method Methods 0.000 claims description 17
- 230000006872 improvement Effects 0.000 claims description 12
- 230000003247 decreasing effect Effects 0.000 claims description 11
- 230000004044 response Effects 0.000 claims description 10
- 230000000007 visual effect Effects 0.000 claims description 9
- 230000008447 perception Effects 0.000 claims description 8
- 230000000873 masking effect Effects 0.000 claims description 7
- 238000013459 approach Methods 0.000 claims description 6
- 238000012935 Averaging Methods 0.000 claims description 5
- 230000000737 periodic effect Effects 0.000 claims description 4
- 244000022782 cocaer Species 0.000 claims 1
- 235000008957 cocaer Nutrition 0.000 claims 1
- ZPUCINDJVBIVPJ-LJISPDSOSA-N cocaine Chemical compound O([C@H]1C[C@@H]2CC[C@@H](N2C)[C@H]1C(=O)OC)C(=O)C1=CC=CC=C1 ZPUCINDJVBIVPJ-LJISPDSOSA-N 0.000 claims 1
- 239000006185 dispersion Substances 0.000 claims 1
- 238000007906 compression Methods 0.000 description 38
- 230000006835 compression Effects 0.000 description 36
- 238000004458 analytical method Methods 0.000 description 16
- 238000010586 diagram Methods 0.000 description 11
- 238000012545 processing Methods 0.000 description 11
- 238000001914 filtration Methods 0.000 description 8
- 238000004590 computer program Methods 0.000 description 7
- 238000003708 edge detection Methods 0.000 description 6
- 230000000644 propagated effect Effects 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- 238000004891 communication Methods 0.000 description 4
- 230000001902 propagating effect Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 230000011218 segmentation Effects 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- 102100032412 Basigin Human genes 0.000 description 2
- 101000798441 Homo sapiens Basigin Proteins 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000006837 decompression Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- PXFBZOLANLWPMH-UHFFFAOYSA-N 16-Epiaffinine Natural products C1C(C2=CC=CC=C2N2)=C2C(=O)CC2C(=CC)CN(C)C1C2CO PXFBZOLANLWPMH-UHFFFAOYSA-N 0.000 description 1
- 241000023320 Luma <angiosperm> Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- OSWPMRLSEDHDFF-UHFFFAOYSA-N methyl salicylate Chemical compound COC(=O)C1=CC=CC=C1O OSWPMRLSEDHDFF-UHFFFAOYSA-N 0.000 description 1
- 238000009428 plumbing Methods 0.000 description 1
- 238000001303 quality assessment method Methods 0.000 description 1
- 238000013442 quality metrics Methods 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
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
- H04N19/134—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
- H04N19/102—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
-
- 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
-
- 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
- H04N19/134—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
- H04N19/154—Measured or subjectively estimated visual quality after decoding, e.g. measurement of distortion
-
- 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
- H04N19/50—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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Applications Claiming Priority (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201462049342P | 2014-09-11 | 2014-09-11 | |
| US62/049,342 | 2014-09-11 | ||
| US14/532,947 US9621917B2 (en) | 2014-03-10 | 2014-11-04 | Continuous block tracking for temporal prediction in video encoding |
| US14/532,947 | 2014-11-04 | ||
| US201462078181P | 2014-11-11 | 2014-11-11 | |
| US62/078,181 | 2014-11-11 | ||
| US201562158523P | 2015-05-07 | 2015-05-07 | |
| US62/158,523 | 2015-05-07 | ||
| PCT/US2015/048353 WO2016040116A1 (en) | 2014-09-11 | 2015-09-03 | Perceptual optimization for model-based video encoding |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2017532858A JP2017532858A (ja) | 2017-11-02 |
| JP2017532858A5 JP2017532858A5 (cg-RX-API-DMAC7.html) | 2018-10-11 |
| JP6698077B2 true JP6698077B2 (ja) | 2020-05-27 |
Family
ID=55459438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2017513750A Active JP6698077B2 (ja) | 2014-09-11 | 2015-09-03 | モデルベースの映像符号化用の知覚的最適化 |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP3175618A1 (cg-RX-API-DMAC7.html) |
| JP (1) | JP6698077B2 (cg-RX-API-DMAC7.html) |
| CN (1) | CN106688232A (cg-RX-API-DMAC7.html) |
| CA (1) | CA2960617A1 (cg-RX-API-DMAC7.html) |
| WO (1) | WO2016040116A1 (cg-RX-API-DMAC7.html) |
Families Citing this family (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9532069B2 (en) | 2004-07-30 | 2016-12-27 | Euclid Discoveries, Llc | Video compression repository and model reuse |
| US9578345B2 (en) | 2005-03-31 | 2017-02-21 | Euclid Discoveries, Llc | Model-based video encoding and decoding |
| US9743078B2 (en) | 2004-07-30 | 2017-08-22 | Euclid Discoveries, Llc | Standards-compliant model-based video encoding and decoding |
| CA2942336A1 (en) | 2014-03-10 | 2015-09-17 | Euclid Discoveries, Llc | Continuous block tracking for temporal prediction in video encoding |
| US10097851B2 (en) | 2014-03-10 | 2018-10-09 | Euclid Discoveries, Llc | Perceptual optimization for model-based video encoding |
| US10091507B2 (en) | 2014-03-10 | 2018-10-02 | Euclid Discoveries, Llc | Perceptual optimization for model-based video encoding |
| CN109547802A (zh) * | 2017-09-22 | 2019-03-29 | 江苏智谋科技有限公司 | 基于三维视觉技术的无人机避障系统 |
| CN107843227B (zh) * | 2017-12-09 | 2020-04-10 | 连云港杰瑞电子有限公司 | 一种基于校准技术提高编码器精度的方法 |
| CN108172168B (zh) * | 2017-12-22 | 2019-11-15 | 深圳市华星光电半导体显示技术有限公司 | 一种补偿表压缩方法 |
| US10652550B2 (en) | 2017-12-22 | 2020-05-12 | Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Compensation table compressing method |
| WO2020065520A2 (en) | 2018-09-24 | 2020-04-02 | Beijing Bytedance Network Technology Co., Ltd. | Extended merge prediction |
| WO2019194572A1 (en) * | 2018-04-03 | 2019-10-10 | Samsung Electronics Co., Ltd. | Methods and apparatus for determining adjustment parameter during encoding of spherical multimedia content |
| WO2019205129A1 (en) | 2018-04-28 | 2019-10-31 | SZ DJI Technology Co., Ltd. | Motion estimation |
| KR102738271B1 (ko) | 2018-06-05 | 2024-12-04 | 두인 비전 컴퍼니 리미티드 | Ibc 및 atmvp 간의 상호 작용 |
| CN110636297B (zh) * | 2018-06-21 | 2021-05-14 | 北京字节跳动网络技术有限公司 | 分量相关的子块分割 |
| CN110636298B (zh) | 2018-06-21 | 2022-09-13 | 北京字节跳动网络技术有限公司 | 对于Merge仿射模式和非Merge仿射模式的统一约束 |
| EP3811620A1 (en) | 2018-06-21 | 2021-04-28 | InterDigital VC Holdings, Inc. | Refinement mode processing in video encoding and decoding |
| CN110859057A (zh) * | 2018-06-29 | 2020-03-03 | 深圳市大疆创新科技有限公司 | 运动矢量确定方法、设备及机器可读存储介质 |
| JP6941744B2 (ja) * | 2018-09-26 | 2021-09-29 | 富士フイルム株式会社 | 画像処理装置、撮影装置、画像処理方法及び画像処理プログラム |
| US10992938B2 (en) * | 2018-09-28 | 2021-04-27 | Ati Technologies Ulc | Spatial block-level pixel activity extraction optimization leveraging motion vectors |
| WO2020094150A1 (en) | 2018-11-10 | 2020-05-14 | Beijing Bytedance Network Technology Co., Ltd. | Rounding in current picture referencing |
| WO2020156538A1 (en) * | 2019-02-03 | 2020-08-06 | Beijing Bytedance Network Technology Co., Ltd. | Interaction between mv precisions and mv difference coding |
| CN109819252B (zh) * | 2019-03-20 | 2021-05-18 | 福州大学 | 一种不依赖gop结构的量化参数级联方法 |
| CN109982082B (zh) * | 2019-05-05 | 2022-11-15 | 山东大学 | 一种基于局部纹理特性的hevc多失真准则率失真优化方法 |
| CN111882564A (zh) * | 2020-07-27 | 2020-11-03 | 山东大学 | 一种超高清医学病理图像的压缩处理方法 |
| US11638025B2 (en) * | 2021-03-19 | 2023-04-25 | Qualcomm Incorporated | Multi-scale optical flow for learned video compression |
| CN113556544B (zh) * | 2021-06-30 | 2024-04-19 | 北京锐马视讯科技有限公司 | 基于场景自适应的视频编码方法和装置、设备及存储介质 |
| CN119478754B (zh) * | 2024-05-24 | 2025-04-29 | 南京师范大学 | 基于差分特征增强的多视角中学实验步骤检测方法及系统 |
| CN119316569B (zh) * | 2024-12-16 | 2025-04-08 | 深圳金三立视频科技股份有限公司 | 一种用于山火检测的火点视频实时监控方法及系统 |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3112035B2 (ja) * | 1991-10-07 | 2000-11-27 | 株式会社日立製作所 | 動画像圧縮符号化装置及び方法 |
| KR970010101B1 (en) * | 1994-06-30 | 1997-06-21 | Daewoo Electronics Co Ltd | Post-processing method of digital transmission pictures |
| JP4608801B2 (ja) * | 2000-05-25 | 2011-01-12 | ソニー株式会社 | 画像情報変換装置及び方法 |
| US6831947B2 (en) * | 2001-03-23 | 2004-12-14 | Sharp Laboratories Of America, Inc. | Adaptive quantization based on bit rate prediction and prediction error energy |
| KR100539923B1 (ko) * | 2003-02-10 | 2005-12-28 | 삼성전자주식회사 | 화상통화시 화자의 영상을 구분하여 차등적 부호화할 수있는 비디오 엔코더 및 이를 이용한 비디오신호의 압축방법 |
| CN101189882B (zh) * | 2004-07-20 | 2012-08-01 | 高通股份有限公司 | 用于视频压缩的编码器辅助帧率上变换（ea-fruc）的方法和装置 |
| JP4249672B2 (ja) * | 2004-08-16 | 2009-04-02 | Ｋｄｄｉ株式会社 | ビデオ情報複数同時符号化装置 |
| JP2006067302A (ja) * | 2004-08-27 | 2006-03-09 | Toshiba Corp | 画像符号化装置、画像符号化方法および画像符号化プログラム |
| US8135062B1 (en) * | 2006-01-16 | 2012-03-13 | Maxim Integrated Products, Inc. | Method and apparatus for QP modulation based on perceptual models for picture encoding |
| CN101184221A (zh) * | 2007-12-06 | 2008-05-21 | 上海大学 | 基于视觉关注度的视频编码方法 |
| KR100952340B1 (ko) * | 2008-01-24 | 2010-04-09 | 에스케이 텔레콤주식회사 | 시공간적 복잡도를 이용한 부호화 모드 결정 방법 및 장치 |
| CN101325711A (zh) * | 2008-07-16 | 2008-12-17 | 上海大学 | 基于时空掩盖效应的自适应码率控制方法 |
| US8848788B2 (en) * | 2009-05-16 | 2014-09-30 | Thomson Licensing | Method and apparatus for joint quantization parameter adjustment |
| US8737464B1 (en) * | 2011-07-21 | 2014-05-27 | Cisco Technology, Inc. | Adaptive quantization for perceptual video coding |
| CN104780369B (zh) * | 2012-08-21 | 2018-04-17 | 华为技术有限公司 | 一种获得视频编码压缩质量的方法及装置 |
-
2015
- 2015-09-03 WO PCT/US2015/048353 patent/WO2016040116A1/en not_active Ceased
- 2015-09-03 CN CN201580049004.1A patent/CN106688232A/zh active Pending
- 2015-09-03 CA CA2960617A patent/CA2960617A1/en not_active Abandoned
- 2015-09-03 JP JP2017513750A patent/JP6698077B2/ja active Active
- 2015-09-03 EP EP15770689.6A patent/EP3175618A1/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016040116A1 (en) | 2016-03-17 |
| CN106688232A (zh) | 2017-05-17 |
| EP3175618A1 (en) | 2017-06-07 |
| JP2017532858A (ja) | 2017-11-02 |
| CA2960617A1 (en) | 2016-03-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6698077B2 (ja) | モデルベースの映像符号化用の知覚的最適化 | |
| US10091507B2 (en) | Perceptual optimization for model-based video encoding | |
| US10097851B2 (en) | Perceptual optimization for model-based video encoding | |
| CN101390401B (zh) | 借助伪影评价的提高的图像/视频质量 | |
| US11240496B2 (en) | Low complexity mixed domain collaborative in-loop filter for lossy video coding | |
| US10212456B2 (en) | Deblocking filter for high dynamic range (HDR) video | |
| KR102295520B1 (ko) | 비디오 코딩에서 모션 보상 예측을 위한 광흐름 추정 | |
| US9621917B2 (en) | Continuous block tracking for temporal prediction in video encoding | |
| US10390038B2 (en) | Methods and devices for encoding and decoding video pictures using a denoised reference picture | |
| KR20090039720A (ko) | 적응적 참조 필터링을 위한 방법 및 장치 | |
| US9838690B1 (en) | Selective prediction signal filtering | |
| KR20170093833A (ko) | 인트라 모드들의 코딩 | |
| US10440384B2 (en) | Encoding method and equipment for implementing the method | |
| RU2684193C1 (ru) | Устройство и способ для компенсации движения в видеоизображении | |
| CN115428451B (zh) | 视频编码方法、编码器、系统以及计算机存储介质 | |
| KR102402671B1 (ko) | 보간 필터의 연산 복잡도를 조절할 수 있는 영상 처리 장치, 영상 보간 방법 및 영상 부호화 방법 | |
| CN117880498A (zh) | 去块效应滤波自适应的编码器、解码器及对应方法 | |
| KR20150034699A (ko) | 인트라 모드를 이용한 쿼터 픽셀 해상도를 갖는 영상 보간 방법 및 장치 | |
| Lin et al. | Perceptual importance analysis-based rate control method for HEVC | |
| Antony et al. | Performance enhancement of HEVC lossless mode using sample-based angular and planar predictions | |
| US20250287032A1 (en) | Motion Refinement For A Co-Located Reference Frame | |
| KR101647484B1 (ko) | 영상 부호화 방법 및 장치 | |
| KR20170033474A (ko) | 고효율 비디오 부호화를 위한 움직임 추정 단계의 율-왜곡 최적화 방법 및 장치 | |
| EP4268460A1 (en) | Temporal filter | |
| KR20140087137A (ko) | 적응적 양 예측 방법 및 장치 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20180830 |
|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20180830 |
|
| A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20190806 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20190910 |
|
| A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20191206 |
|
| A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20200207 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20200309 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20200310 |
|
| 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: 20200407 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20200427 |
|
| R150 | Certificate of patent or registration of utility model |
Ref document number: 6698077 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 |