JP2018536311A - 無線ネットワークを介したビデオデータストリームの送信を最適化する方法 - Google Patents
無線ネットワークを介したビデオデータストリームの送信を最適化する方法 Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 23
- 230000005540 biological transmission Effects 0.000 title abstract description 6
- 238000004422 calculation algorithm Methods 0.000 claims abstract description 14
- 238000012937 correction Methods 0.000 claims abstract description 12
- 238000012896 Statistical algorithm Methods 0.000 claims abstract description 5
- 238000004891 communication Methods 0.000 claims abstract description 5
- 238000012360 testing method Methods 0.000 description 12
- 238000012545 processing Methods 0.000 description 5
- 230000002123 temporal effect Effects 0.000 description 3
- 230000000875 corresponding effect Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
- H03M13/37—Decoding methods or techniques, not specific to the particular type of coding provided for in groups H03M13/03 - H03M13/35
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
- H03M13/37—Decoding methods or techniques, not specific to the particular type of coding provided for in groups H03M13/03 - H03M13/35
- H03M13/373—Decoding methods or techniques, not specific to the particular type of coding provided for in groups H03M13/03 - H03M13/35 with erasure correction and erasure determination, e.g. for packet loss recovery or setting of erasures for the decoding of Reed-Solomon codes
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
- H03M13/63—Joint error correction and other techniques
- H03M13/6306—Error control coding in combination with Automatic Repeat reQuest [ARQ] and diversity transmission, e.g. coding schemes for the multiple transmission of the same information or the transmission of incremental redundancy
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
- H03M13/65—Purpose and implementation aspects
- H03M13/6522—Intended application, e.g. transmission or communication standard
- H03M13/6527—IEEE 802.11 [WLAN]
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- 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
- H04N19/164—Feedback from the receiver or from the transmission channel
- H04N19/166—Feedback from the receiver or from the transmission channel concerning the amount of transmission errors, e.g. bit error rate [BER]
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- H—ELECTRICITY
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- 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
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- 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
- H04N19/188—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 video data packet, e.g. a network abstraction layer [NAL] unit
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- 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
- H04N19/65—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using error resilience
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- 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
- H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
- H04N19/89—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving methods or arrangements for detection of transmission errors at the decoder
- H04N19/895—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving methods or arrangements for detection of transmission errors at the decoder in combination with error concealment
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving encoded video stream packets from an IP network
- H04N21/4382—Demodulation or channel decoding, e.g. QPSK demodulation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
- H04N21/637—Control signals issued by the client directed to the server or network components
- H04N21/6375—Control signals issued by the client directed to the server or network components for requesting retransmission, e.g. of data packets lost or corrupted during transmission from server
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
- H04N21/64—Addressing
- H04N21/6405—Multicasting
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
- H04N21/64—Addressing
- H04N21/6408—Unicasting
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Probability & Statistics with Applications (AREA)
- Theoretical Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Error Detection And Correction (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
Abstract
Description
−a/ K個の先頭データブロックの正常な受信を確認し、肯定的な結果の場合にビデオストリームを復号化して視聴すること、
−b/ K個の先頭データブロックの全てが受信されず、且つ受信したK+N個のブロックの総数Xが少なくともKに等しい場合、前方誤り訂正(FEC)アルゴリズムにより復号化を行ってK個のブロックの欠落データを取得して、肯定的な結果の場合にビデオストリームを復号化して視聴すること、
−c/ 受信したK+N個のブロックの総数XがKよりも小さいか、または前方誤り訂正アルゴリズム(FEC)を介した復号化の肯定的な結果が存在しない場合、クライアント装置によりユニキャストメッセージを送信して少なくとも最終ブロックまたは欠落ブロックに関する情報を送信器に提供すること、
−d/ 送信装置の統計アルゴリズムにより欠落データの返送を行う場合、a/およびb/において送信装置により返送されたデータの正常な受信を確認し、肯定的な結果の場合にビデオストリームを復号化して視聴することを含んでいる。
−e/ 返送されたデータが正常に受信されなかった場合、受信したG番目のデータパケットに内部符号化を有する基準画像の受信を確認すること、次いで
−f/ そのような基準画像を完全に受信した場合、圧縮データに適用される誤り隠蔽アルゴリズムを実行すること、および
−g/ ビデオストリームを復号化して視聴することが実行される。
−h/ 受信したG個のデータパケットに内部符号化を有する基準画像が受信されなかった場合、先行するG−1個および後続するG+1個のパケットの少なくとも1個の基準画像の受信を確認すること、
−i/ 画像を再構築すべく非圧縮または線形データに対して内挿法を実行すること、
−j/ ビデオストリームを復号化して視聴することが実行される。
Claims (4)
- WiFi方式の通信プロトコルにより制御される無線ネットワークを介したビデオデータストリーム受信の信頼性および品質を向上させる方法であって、前記ビデオデータストリームが、前方誤り訂正(FEC)のためにK個の先頭データブロックおよびN個の冗長ブロックを各々含むG個のパケットの形式で符号化されていて、前記ストリームが、スマートフォン型のクライアント視聴装置に当該パケットをマルチキャスティングする少なくとも1個の送信装置により送信されるK+N個のブロックを各々含む一連のG個のパケットを含んでいて、本方法が、前記送信装置または装置群から受信したG個のデータパケットの各々に対して前記クライアント装置により実行される以下のステップ、すなわち
−a/ 前記K個の先頭データブロックの正常な受信を確認し、肯定的な結果の場合に前記ビデオストリームを復号化して視聴すること、
−b/ 前記K個の先頭データブロックの全てが受信されず、且つ受信したK+N個のブロックの総数Xが少なくともKに等しい場合、前方誤り訂正(FEC)アルゴリズムにより復号化を行って前記K個のブロックの欠落データを取得して、肯定的な結果の場合に前記ビデオストリームを復号化して視聴すること、
−c/ 前記受信したK+N個のブロックの総数XがKよりも小さいか、または前記前方誤り訂正アルゴリズム(FEC)を介した復号化の肯定的な結果が存在しない場合、前記クライアント装置によりユニキャストメッセージを送信して少なくとも欠落ブロックに関する情報を前記送信器に提供すること、
−d/ 前記送信装置の統計アルゴリズムにより前記欠落データの返送を行う場合、a/およびb/において前記送信装置により返送されたデータの正常な受信を確認し、肯定的な結果の場合に前記ビデオストリームを復号化して視聴すること、を特徴とする方法。 - 以下のステップ、すなわち
−e/ d/において返送されたデータが正常に受信されなかった、または返送データが存在しない場合、受信したG番目のデータパケットに内部符号化を有する基準画像の受信を確認すること、次いで
−f/ そのような基準画像を完全に受信した場合、圧縮データに適用される誤り隠蔽アルゴリズムを実行すること、および
−g/ ビデオストリームを復号化して視聴することを特徴とする、請求項1に記載の無線ローカルエリアネットワークを介したビデオデータストリーム受信の信頼性および品質を向上させる方法。 - 以下のステップ、すなわち
−h/ 受信したG番目のデータパケットに内部符号化を有する基準画像が受信されなかった場合、先行するG−1個および後続するG+1個のパケットの少なくとも1個の基準画像の受信を確認すること、
−i/ 画像を再構築すべく非圧縮または線形データに対して内挿法を実行すること、
−j/ ビデオストリームを復号化して視聴すること、を特徴とする、請求項1又は2に記載の無線ローカルエリアネットワークを介したビデオデータストリーム受信の信頼性および品質を向上させる方法。 - 先行するG−1個および後続するG+1個のパケットの少なくとも1個の基準画像の受信が不完全な場合、G番目のパケットが表示されないことを特徴とする、請求項1〜3のいずれか1項に記載の無線ローカルエリアネットワークを介したビデオデータストリーム受信の信頼性および品質を向上させる方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1558670 | 2015-09-16 | ||
FR1558670A FR3041194B1 (fr) | 2015-09-16 | 2015-09-16 | Procede d'optimisation de transmission de flux de donnees video dans un reseau sans fil |
PCT/FR2016/052331 WO2017046528A1 (fr) | 2015-09-16 | 2016-09-15 | Procédé d'optimisation de transmission de flux de données vidéo dans un réseau sans fil |
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JP2018536311A true JP2018536311A (ja) | 2018-12-06 |
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JP2018513771A Pending JP2018536311A (ja) | 2015-09-16 | 2016-09-15 | 無線ネットワークを介したビデオデータストリームの送信を最適化する方法 |
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Country | Link |
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US (1) | US10567802B2 (ja) |
EP (1) | EP3350931B1 (ja) |
JP (1) | JP2018536311A (ja) |
KR (1) | KR20180054690A (ja) |
CN (1) | CN108141230A (ja) |
AU (1) | AU2016324217A1 (ja) |
CA (1) | CA2998865C (ja) |
FR (1) | FR3041194B1 (ja) |
SG (1) | SG11201802156WA (ja) |
WO (1) | WO2017046528A1 (ja) |
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JP2022122478A (ja) * | 2021-02-10 | 2022-08-23 | 株式会社日立製作所 | ストレージコントローラのネットワークインタフェース |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070153898A1 (en) * | 2006-01-05 | 2007-07-05 | Konkuk University Industrial Cooperation Corp. | Hybrid error concealment method |
WO2008006014A2 (en) * | 2006-07-07 | 2008-01-10 | Scientific-Atlanta, Inc. | Hybrid arq retransmission with data buffering |
JP2008092213A (ja) * | 2006-09-29 | 2008-04-17 | Sanyo Electric Co Ltd | 受信機、パケット再送方法及びプログラム |
JP2008519480A (ja) * | 2004-11-04 | 2008-06-05 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | ビデオデコード処理においてエラーを隠蔽する方法及び装置 |
KR100860770B1 (ko) * | 2005-12-28 | 2008-09-30 | (주)주인네트 | 무선 환경에서 멀티캐스트/브로드캐스트 데이터를안정적으로 전송하는 방법 및 장치 |
JP2009100377A (ja) * | 2007-10-18 | 2009-05-07 | Sanyo Electric Co Ltd | 端末装置 |
JP2010206628A (ja) * | 2009-03-04 | 2010-09-16 | Mitsubishi Electric Corp | 動画像復号装置 |
JP2011239464A (ja) * | 2011-07-27 | 2011-11-24 | Toshiba Corp | 復号器 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7224702B2 (en) * | 2000-08-30 | 2007-05-29 | The Chinese University Of Hong Kong | System and method for error-control for multicast video distribution |
FR2830157A1 (fr) * | 2001-09-25 | 2003-03-28 | Koninkl Philips Electronics Nv | Procede de conversion de donnees video codees |
US7389103B2 (en) * | 2005-08-19 | 2008-06-17 | Robert Stepanian | Tethered digital butler consumer electronic device and method |
CN100592670C (zh) * | 2007-04-02 | 2010-02-24 | Ut斯达康通讯有限公司 | 一种在iptv网络中动态自适应前向差错控制的系统及方法 |
CN102082624A (zh) * | 2009-11-26 | 2011-06-01 | 中国电信股份有限公司 | WiFi编码优化方法及系统 |
WO2012054570A1 (en) * | 2010-10-20 | 2012-04-26 | Dolby Laboratories Licensing Corporation | Error resilient rate distortion optimization for image and video encoding |
-
2015
- 2015-09-16 FR FR1558670A patent/FR3041194B1/fr active Active
-
2016
- 2016-09-15 US US15/760,435 patent/US10567802B2/en active Active
- 2016-09-15 CA CA2998865A patent/CA2998865C/fr active Active
- 2016-09-15 JP JP2018513771A patent/JP2018536311A/ja active Pending
- 2016-09-15 WO PCT/FR2016/052331 patent/WO2017046528A1/fr active Application Filing
- 2016-09-15 CN CN201680058717.9A patent/CN108141230A/zh active Pending
- 2016-09-15 KR KR1020187010372A patent/KR20180054690A/ko unknown
- 2016-09-15 EP EP16777730.9A patent/EP3350931B1/fr active Active
- 2016-09-15 AU AU2016324217A patent/AU2016324217A1/en not_active Abandoned
- 2016-09-15 SG SG11201802156WA patent/SG11201802156WA/en unknown
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008519480A (ja) * | 2004-11-04 | 2008-06-05 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | ビデオデコード処理においてエラーを隠蔽する方法及び装置 |
KR100860770B1 (ko) * | 2005-12-28 | 2008-09-30 | (주)주인네트 | 무선 환경에서 멀티캐스트/브로드캐스트 데이터를안정적으로 전송하는 방법 및 장치 |
US20070153898A1 (en) * | 2006-01-05 | 2007-07-05 | Konkuk University Industrial Cooperation Corp. | Hybrid error concealment method |
WO2008006014A2 (en) * | 2006-07-07 | 2008-01-10 | Scientific-Atlanta, Inc. | Hybrid arq retransmission with data buffering |
JP2008092213A (ja) * | 2006-09-29 | 2008-04-17 | Sanyo Electric Co Ltd | 受信機、パケット再送方法及びプログラム |
JP2009100377A (ja) * | 2007-10-18 | 2009-05-07 | Sanyo Electric Co Ltd | 端末装置 |
JP2010206628A (ja) * | 2009-03-04 | 2010-09-16 | Mitsubishi Electric Corp | 動画像復号装置 |
JP2011239464A (ja) * | 2011-07-27 | 2011-11-24 | Toshiba Corp | 復号器 |
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EP3350931B1 (fr) | 2024-02-07 |
CA2998865C (fr) | 2023-12-05 |
CN108141230A (zh) | 2018-06-08 |
AU2016324217A1 (en) | 2018-04-12 |
EP3350931C0 (fr) | 2024-02-07 |
CA2998865A1 (fr) | 2017-03-23 |
US10567802B2 (en) | 2020-02-18 |
EP3350931A1 (fr) | 2018-07-25 |
KR20180054690A (ko) | 2018-05-24 |
SG11201802156WA (en) | 2018-04-27 |
WO2017046528A1 (fr) | 2017-03-23 |
FR3041194B1 (fr) | 2017-09-01 |
FR3041194A1 (fr) | 2017-03-17 |
US20180262778A1 (en) | 2018-09-13 |
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