CN107608447B - 用于估计信号间的变换的信号处理器及方法 - Google Patents

用于估计信号间的变换的信号处理器及方法 Download PDF

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CN107608447B
CN107608447B CN201711070330.8A CN201711070330A CN107608447B CN 107608447 B CN107608447 B CN 107608447B CN 201711070330 A CN201711070330 A CN 201711070330A CN 107608447 B CN107608447 B CN 107608447B
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phase
reference signal
phase difference
offset
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CN107608447A (zh
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R.K.夏尔马
J.D.洛德
R.G.莱昂斯
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    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T1/00—General purpose image data processing
    • G06T1/0021—Image watermarking
    • G06T1/005—Robust watermarking, e.g. average attack or collusion attack resistant
    • G06T1/0064—Geometric transfor invariant watermarking, e.g. affine transform invariant
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/02—Digital function generators
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T1/00—General purpose image data processing
    • G06T1/0021—Image watermarking
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T3/00—Geometric image transformations in the plane of the image
    • G06T3/02—Affine transformations
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T3/00—Geometric image transformations in the plane of the image
    • G06T3/10—Selection of transformation methods according to the characteristics of the input images
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/70—Arrangements for image or video recognition or understanding using pattern recognition or machine learning
    • G06V10/74—Image or video pattern matching; Proximity measures in feature spaces
    • G06V10/75—Organisation of the matching processes, e.g. simultaneous or sequential comparisons of image or video features; Coarse-fine approaches, e.g. multi-scale approaches; using context analysis; Selection of dictionaries
    • G06V10/754—Organisation of the matching processes, e.g. simultaneous or sequential comparisons of image or video features; Coarse-fine approaches, e.g. multi-scale approaches; using context analysis; Selection of dictionaries involving a deformation of the sample pattern or of the reference pattern; Elastic matching

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CN201711070330.8A 2010-09-03 2011-09-01 用于估计信号间的变换的信号处理器及方法 Active CN107608447B (zh)

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Families Citing this family (100)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9749607B2 (en) 2009-07-16 2017-08-29 Digimarc Corporation Coordinated illumination and image signal capture for enhanced signal detection
US9652821B2 (en) 2010-09-03 2017-05-16 Digimarc Corporation Signal processors and methods for estimating transformations between signals with phase deviation
CN107608447B (zh) * 2010-09-03 2020-10-23 数字标记公司 用于估计信号间的变换的信号处理器及方法
EP2565667A1 (en) * 2011-08-31 2013-03-06 Friedrich-Alexander-Universität Erlangen-Nürnberg Direction of arrival estimation using watermarked audio signals and microphone arrays
WO2013172980A1 (en) * 2012-05-16 2013-11-21 Wollin Ventures, Inc. Apparatus and method for mapping and measurement of spatially and temporally distributed induced small phase deviations in magnetic resonance utilizing deconvolution
US10324068B2 (en) * 2012-07-19 2019-06-18 Carnegie Mellon University Temperature compensation in wave-based damage detection systems
US9401153B2 (en) 2012-10-15 2016-07-26 Digimarc Corporation Multi-mode audio recognition and auxiliary data encoding and decoding
US20140257727A1 (en) * 2013-03-11 2014-09-11 Mitsubishi Electric Research Laboratories, Inc. Method for Angle-Preserving Phase Embeddings
WO2014182963A2 (en) 2013-05-08 2014-11-13 Digimarc Corporation Methods and arrangements involving substrate marking
KR20150010860A (ko) * 2013-07-19 2015-01-29 삼성전자주식회사 초음파 영상 장치 및 그 제어 방법
US9569850B2 (en) 2013-10-16 2017-02-14 Cognex Corporation System and method for automatically determining pose of a shape
US11962876B2 (en) * 2014-01-31 2024-04-16 Digimarc Corporation Recycling methods and systems, and related plastic containers
US9635378B2 (en) 2015-03-20 2017-04-25 Digimarc Corporation Sparse modulation for robust signaling and synchronization
US20190306385A1 (en) 2014-01-31 2019-10-03 Digimarc Corporation Concerning digital marking and reading of plastic items, useful in recycling
US10424038B2 (en) 2015-03-20 2019-09-24 Digimarc Corporation Signal encoding outside of guard band region surrounding text characters, including varying encoding strength
CN104202209B (zh) * 2014-08-05 2017-12-22 北京遥测技术研究所 一种基于cuda的多体制信号频率快速捕获实现方法
US20160188972A1 (en) * 2014-08-12 2016-06-30 Digimarc Corporation Signal processors and methods for estimating transformations between signals with phase estimation
US9858681B2 (en) 2014-10-27 2018-01-02 Digimarc Corporation Signal detection, recognition and tracking with feature vector transforms
US9747656B2 (en) 2015-01-22 2017-08-29 Digimarc Corporation Differential modulation for robust signaling and synchronization
US9892478B2 (en) 2015-03-06 2018-02-13 Digimarc Corporation Digital watermarking applications
US9754341B2 (en) 2015-03-20 2017-09-05 Digimarc Corporation Digital watermarking and data hiding with narrow-band absorption materials
US10783601B1 (en) 2015-03-20 2020-09-22 Digimarc Corporation Digital watermarking and signal encoding with activable compositions
JP6741347B2 (ja) 2015-03-20 2020-08-19 ディジマーク コーポレイション ロバストなシグナリング及び同期のためのスパース変調
US10169704B2 (en) * 2015-04-13 2019-01-01 Research New Group, Inc. Artificially intelligent communication generation in complex computing networks
US10552933B1 (en) 2015-05-20 2020-02-04 Digimarc Corporation Image processing methods and arrangements useful in automated store shelf inspections
US10007964B1 (en) 2015-05-20 2018-06-26 Digimarc Corporation Image processing methods and arrangements
US10593007B1 (en) 2015-06-11 2020-03-17 Digimarc Corporation Methods and arrangements for configuring industrial inspection systems
US9922220B2 (en) 2015-06-11 2018-03-20 Digimarc Corporation Image block selection for efficient time-limited decoding
EP3107067A1 (en) * 2015-06-16 2016-12-21 Thomson Licensing Method and apparatus for computing an estimate position of a micro-image produced by a micro-lens of an array of micro-lenses of an optical acquisition system
US9819950B2 (en) 2015-07-02 2017-11-14 Digimarc Corporation Hardware-adaptable watermark systems
CN105046644B (zh) * 2015-07-06 2021-08-13 嘉恒医疗科技（上海）有限公司 基于线性相关性的超声与ct图像配准方法和系统
JP6741306B2 (ja) * 2015-07-16 2020-08-19 ディジマーク コーポレイション デジタルデータ抽出のための画像の幾何変換を推定するための方法、装置およびコンピュータ可読媒体
US10303988B1 (en) 2015-08-14 2019-05-28 Digimarc Corporation Visual search methods and systems
US10594689B1 (en) 2015-12-04 2020-03-17 Digimarc Corporation Robust encoding of machine readable information in host objects and biometrics, and associated decoding and authentication
CN105681623A (zh) * 2016-02-24 2016-06-15 无锡南理工科技发展有限公司 图像信号增强的处理方法
CN105792254A (zh) * 2016-02-27 2016-07-20 无锡南理工科技发展有限公司 采用窄脉冲信号对无线数据进行预处理的方法
US10783618B2 (en) 2016-05-05 2020-09-22 Digimarc Corporation Compensating for geometric distortion of images in constrained processing environments
US10242434B1 (en) 2016-05-05 2019-03-26 Digimarc Corporation Compensating for geometric distortion of images in constrained processing environments
US10373299B1 (en) * 2016-05-05 2019-08-06 Digimarc Corporation Compensating for geometric distortion of images in constrained processing environments
US10686963B1 (en) 2016-05-20 2020-06-16 Digimarc Corporation Encoding and decoding digital signals in conductive ink structures
US10580103B1 (en) 2016-08-15 2020-03-03 Digimarc Corporation Signal encoding for difficult environments
US10304149B2 (en) 2016-08-15 2019-05-28 Digimarc Corporation Signal encoding for difficult environments
US10445849B1 (en) 2016-08-15 2019-10-15 Digimarc Corporation Signal encoding based on spectral requirements
US10255649B2 (en) 2016-08-15 2019-04-09 Digimarc Corporation Signal encoding for difficult environments
US10853903B1 (en) 2016-09-26 2020-12-01 Digimarc Corporation Detection of encoded signals and icons
US10803272B1 (en) 2016-09-26 2020-10-13 Digimarc Corporation Detection of encoded signals and icons
CN106780281B (zh) * 2016-12-22 2019-12-03 辽宁师范大学 基于柯西统计建模的数字图像水印方法
US10783602B1 (en) 2017-02-24 2020-09-22 Digimarc Corporation Signal encoding for inks with low reflectivity
US10657636B1 (en) * 2017-03-24 2020-05-19 Digimarc Corporation Methods and systems to ensure correct printing plate usage for encoded signals
US11257198B1 (en) 2017-04-28 2022-02-22 Digimarc Corporation Detection of encoded signals and icons
CN108876826B (zh) * 2017-05-10 2021-09-21 深圳先进技术研究院 一种图像匹配方法及系统
US10506128B1 (en) 2017-06-16 2019-12-10 Digimarc Corporation Encoded signal systems and methods to ensure minimal robustness
US10986245B2 (en) 2017-06-16 2021-04-20 Digimarc Corporation Encoded signal systems and methods to ensure minimal robustness
US10853968B2 (en) 2017-09-29 2020-12-01 Digimarc Corporation Watermark sensing methods and arrangements
US11062108B2 (en) 2017-11-07 2021-07-13 Digimarc Corporation Generating and reading optical codes with variable density to adapt for visual quality and reliability
US10872392B2 (en) 2017-11-07 2020-12-22 Digimarc Corporation Generating artistic designs encoded with robust, machine-readable data
US10896307B2 (en) 2017-11-07 2021-01-19 Digimarc Corporation Generating and reading optical codes with variable density to adapt for visual quality and reliability
US10958807B1 (en) 2018-02-08 2021-03-23 Digimarc Corporation Methods and arrangements for configuring retail scanning systems
US11995511B2 (en) 2018-02-08 2024-05-28 Digimarc Corporation Methods and arrangements for localizing machine-readable indicia
EP3913570B1 (en) 2018-02-25 2024-08-07 Digimarc Corporation Generating and reading optical codes with variable density to adapt for visual quality and reliability
US11468661B2 (en) * 2018-03-05 2022-10-11 Nec Corporation Image matching device
EP3815048B1 (en) 2018-06-08 2024-01-31 Digimarc Corporation Generating signal bearing art using stipple, voronoi and delaunay methods and reading same
US10880451B2 (en) 2018-06-08 2020-12-29 Digimarc Corporation Aggregating detectability metrics to determine signal robustness
WO2019246132A1 (en) 2018-06-18 2019-12-26 Digimarc Corporation Methods and arrangements for reconciling data from disparate data carriers
RU2694023C1 (ru) * 2018-07-11 2019-07-08 Федеральное государственное бюджетное образовательное учреждение высшего образования "Рязанский государственный радиотехнический университет" Способ нахождения сопряженных векторов направлений на движущиеся объекты
US10559052B1 (en) 2018-08-02 2020-02-11 Digimarc Corporation Signal encoding for physical objects including dark ink
WO2020055397A1 (en) 2018-09-12 2020-03-19 Digimarc Corporation Generating artistic designs encoded with robust, machine-readable data
US11055805B1 (en) 2018-11-09 2021-07-06 Digimarc Corporation Utilizing dependency between watermark visibility and location of image sample in color space for embedded signal color direction
US10789438B1 (en) 2019-02-08 2020-09-29 Digimarc Corporation Detecting conflicts between multiple different encoded signals within imagery, using only a subset of available image data
US11250535B1 (en) 2019-02-08 2022-02-15 Digimarc Corporation Detecting conflicts between multiple different encoded signals within imagery, using only a subset of available image data, and robustness checks
US12348840B2 (en) 2019-03-01 2025-07-01 Digimarc Corporation Recycling methods and systems, and related plastic containers
EP3903228B1 (en) 2019-03-13 2022-09-14 Digimarc Corporation Digital marking
US11568165B1 (en) 2019-04-15 2023-01-31 Digimarc Corporation Methods and arrangements for optical code classification
US11350239B2 (en) * 2019-07-17 2022-05-31 Ford Global Technologies, Llc Smart mmWave c-V2X antenna
US11233918B1 (en) 2019-10-11 2022-01-25 Digimarc Corporation PDF embedder for artwork elements with PDF files
US11070701B2 (en) 2019-10-11 2021-07-20 Digimarc Corporation Color managed embedding system for embedding signals in color artwork
EP4642019A1 (en) 2019-10-11 2025-10-29 Digimarc Corporation Color managed embedding system for embedding signals in color artwork
US11188996B2 (en) 2019-10-11 2021-11-30 Digimarc Corporation Color managed embedding system for embedding signals in color artwork
US12406037B2 (en) * 2019-12-18 2025-09-02 Booz Allen Hamilton Inc. System and method for digital steganography purification
US11922532B2 (en) 2020-01-15 2024-03-05 Digimarc Corporation System for mitigating the problem of deepfake media content using watermarking
US12348693B1 (en) 2020-03-13 2025-07-01 Digimarc Corporation Smoothing edges when embedding PDF artwork elements
TW202222557A (zh) 2020-07-31 2022-06-16 美商數字標識公司 柔版印刷板上致能追踪及管理的編碼信號
US11643253B1 (en) 2020-12-15 2023-05-09 Digimarc Corporation Signal encoding for aluminum alloy containers
US11665302B1 (en) 2020-12-15 2023-05-30 Digimarc Corporation Signal encoding for aluminum alloy containers
US12079677B2 (en) 2021-01-08 2024-09-03 Digimarc Corporation Determining spatial distance using encoding signals
US11875218B1 (en) 2021-03-04 2024-01-16 Digimarc Corporation 2D code reading in presence of local inversion
US12008795B1 (en) 2021-05-28 2024-06-11 Digimarc Corporation Methods and arrangements for configuring object localizers
US12333624B1 (en) 2021-06-04 2025-06-17 Digimarc Corporation Modulating surface topcoats to embed digital watermarking
US11900497B1 (en) 2021-06-04 2024-02-13 Digimarc Corporation Encoding signals with printed clear topcoats
US12094025B1 (en) 2021-08-27 2024-09-17 Digimarc Corporation Scanner agnostic symbol print quality tool
US12337609B1 (en) 2021-11-03 2025-06-24 Digimarc Corporation Encoding signals with fluorescing inks
WO2023096924A1 (en) 2021-11-23 2023-06-01 Evrythng Ltd Factory activation of active digital identities
CN118151225A (zh) * 2022-12-07 2024-06-07 中国石油天然气集团有限公司 稳定收敛的最小二乘偏移反演方法及装置
CN116074170B (zh) * 2022-12-15 2024-08-20 珠海中慧微电子有限公司 一种ofdm信号的降峰均比方法
EP4639372A1 (en) 2022-12-23 2025-10-29 Digimarc Corporation Digital watermarking for link between nft and associated digital content
WO2024187192A1 (en) 2023-03-09 2024-09-12 Digimarc Corporation Digital watermarking for validation of authenticity
WO2025038396A1 (en) 2023-08-16 2025-02-20 Digimarc Corporation Digital watermarking for digital image protection and manifest swapping detection
US12322411B2 (en) 2023-09-29 2025-06-03 Robert Bosch Gmbh Systems and methods for cross-modal signal inference using audio signals
WO2025085563A1 (en) * 2023-10-16 2025-04-24 Digimarc Corporation Enhanced neural network systems and methods for predicting image synchronization
US20250355978A1 (en) 2024-04-30 2025-11-20 Digimarc Corporation Authenticating multi-layered objects using encoded signals

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1526119A (zh) * 2001-05-17 2004-09-01 �ʼҷ����ֵ������޹�˾ 一种执行仿射或非仿射变换的方法和装置
CN101060506A (zh) * 2006-04-21 2007-10-24 三星电子株式会社 偏移频率估计方法和装置

Family Cites Families (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3987243A (en) * 1975-11-03 1976-10-19 Sanders Associates, Inc. Image enhancement method and apparatus
US6408082B1 (en) * 1996-04-25 2002-06-18 Digimarc Corporation Watermark detection using a fourier mellin transform
US7158654B2 (en) * 1993-11-18 2007-01-02 Digimarc Corporation Image processor and image processing method
US5756990A (en) 1996-04-17 1998-05-26 The United States Of America As Represented By The Secretary Of The Army Simplified simulation of effects of turbulence on digital imagery
US5949055A (en) 1997-10-23 1999-09-07 Xerox Corporation Automatic geometric image transformations using embedded signals
JPH11355547A (ja) * 1998-05-22 1999-12-24 Internatl Business Mach Corp <Ibm> 幾何変換特定システム
US6385329B1 (en) * 2000-02-14 2002-05-07 Digimarc Corporation Wavelet domain watermarks
US6535617B1 (en) * 2000-02-14 2003-03-18 Digimarc Corporation Removal of fixed pattern noise and other fixed patterns from media signals
US20020103104A1 (en) * 2000-03-21 2002-08-01 Christy Cheever Methods using the SRP polynucleotides and polypeptides and compounds modulating their activity
EP1173001A3 (en) * 2000-07-11 2004-05-06 Eastman Kodak Company Authenticatable image with an embedded image having a discernible physical characteristic
US6483927B2 (en) * 2000-12-18 2002-11-19 Digimarc Corporation Synchronizing readers of hidden auxiliary data in quantization-based data hiding schemes
US8301453B2 (en) * 2000-12-21 2012-10-30 Digimarc Corporation Watermark synchronization signals conveying payload data
US8050452B2 (en) * 2001-03-22 2011-11-01 Digimarc Corporation Quantization-based data embedding in mapped data
US6525302B2 (en) * 2001-06-06 2003-02-25 The Regents Of The University Of Colorado Wavefront coding phase contrast imaging systems
CN100459774C (zh) * 2001-08-22 2009-02-04 华为技术有限公司 一种利用信号到达时间估计位置的方法和装置
US6975745B2 (en) * 2001-10-25 2005-12-13 Digimarc Corporation Synchronizing watermark detectors in geometrically distorted signals
US7065237B2 (en) * 2001-12-10 2006-06-20 Canon Kabushiki Kaisha Image processing apparatus and method
US6904151B2 (en) * 2002-01-17 2005-06-07 Deguillaume Frederic Method for the estimation and recovering of general affine transform
JP3754403B2 (ja) * 2002-07-26 2006-03-15 株式会社東芝 電子透かし検出方法及び装置
AU2002951815A0 (en) * 2002-10-03 2002-10-24 Canon Kabushiki Kaisha Mark embedding and detection using projective transforms
DE10322722B4 (de) * 2003-05-20 2005-11-24 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Synchronisieren eines Audiossignals mit einem Film
JP4587181B2 (ja) * 2003-11-04 2010-11-24 キヤノン株式会社 情報処理装置の動作方法、記憶媒体、情報処理装置
US7480393B2 (en) * 2003-11-19 2009-01-20 Digimarc Corporation Optimized digital watermarking functions for streaming data
US7590306B2 (en) * 2003-11-26 2009-09-15 Ge Medical Systems Global Technology Company, Llc Resolution adaptive image filtering system and method
US8014625B2 (en) * 2004-11-10 2011-09-06 Agfa Healthcare Method of performing measurements on digital images
EP1919184A4 (en) * 2005-07-25 2011-08-24 Yoichiro Ito CHARACTER AUTHENTICATION SYSTEM AND CHARACTER AUTHENTICATION PROCEDURE
EP2439729A3 (en) * 2006-06-02 2013-09-04 Samsung Display Co., Ltd. Field sequential color display system having multiple segmented backlight
JP4668220B2 (ja) * 2007-02-20 2011-04-13 ソニー株式会社 画像処理装置および画像処理方法、並びにプログラム
JP4793875B2 (ja) * 2007-03-16 2011-10-12 株式会社リコー 情報処理装置、情報処理方法、及びプログラム並びに記録媒体
US9466307B1 (en) 2007-05-22 2016-10-11 Digimarc Corporation Robust spectral encoding and decoding methods
CN101227440B (zh) * 2008-02-14 2010-07-21 北京创毅视讯科技有限公司 一种用于信道估计中消除零频干扰的装置及方法
JP5181350B2 (ja) * 2009-02-02 2013-04-10 セイコーインスツル株式会社 画像処理装置、及び画像処理プログラム
US9652821B2 (en) 2010-09-03 2017-05-16 Digimarc Corporation Signal processors and methods for estimating transformations between signals with phase deviation
CN107608447B (zh) * 2010-09-03 2020-10-23 数字标记公司 用于估计信号间的变换的信号处理器及方法
US20160188972A1 (en) 2014-08-12 2016-06-30 Digimarc Corporation Signal processors and methods for estimating transformations between signals with phase estimation
JP6741306B2 (ja) 2015-07-16 2020-08-19 ディジマーク コーポレイション デジタルデータ抽出のための画像の幾何変換を推定するための方法、装置およびコンピュータ可読媒体

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1526119A (zh) * 2001-05-17 2004-09-01 �ʼҷ����ֵ������޹�˾ 一种执行仿射或非仿射变换的方法和装置
CN101060506A (zh) * 2006-04-21 2007-10-24 三星电子株式会社 偏移频率估计方法和装置

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US9953390B2 (en) 2018-04-24
US20120076435A1 (en) 2012-03-29
JP2013544448A (ja) 2013-12-12
EP2612442A1 (en) 2013-07-10
JP6336638B2 (ja) 2018-06-06
US8867860B2 (en) 2014-10-21
JP2018125038A (ja) 2018-08-09
CN103190078B (zh) 2017-12-08
JP6904544B2 (ja) 2021-07-21
US20180308193A1 (en) 2018-10-25
EP3396621A1 (en) 2018-10-31
JP6567127B2 (ja) 2019-08-28
US8750560B2 (en) 2014-06-10
CN103190078A (zh) 2013-07-03
US11410262B2 (en) 2022-08-09
US20150106416A1 (en) 2015-04-16
CN107608447A (zh) 2018-01-19
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US20120078989A1 (en) 2012-03-29
EP2612442A4 (en) 2015-12-09
US20160132986A1 (en) 2016-05-12
US9836807B2 (en) 2017-12-05
EP2612442B1 (en) 2018-04-18
EP3396621B1 (en) 2020-08-19
US20120082398A1 (en) 2012-04-05
US10402929B2 (en) 2019-09-03
WO2012031152A1 (en) 2012-03-08
JP2019200812A (ja) 2019-11-21
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