JP2017526195A - 変調光源からの照光から復号されたタイムスタンプを使用する、捕捉された画像の検証 - Google Patents
変調光源からの照光から復号されたタイムスタンプを使用する、捕捉された画像の検証 Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/11—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
- H04B10/114—Indoor or close-range type systems
- H04B10/116—Visible light communication
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/602—Providing cryptographic facilities or services
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/16—Human faces, e.g. facial parts, sketches or expressions
- G06V40/172—Classification, e.g. identification
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N1/32101—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
- H04N1/32128—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title attached to the image data, e.g. file header, transmitted message header, information on the same page or in the same computer file as the image
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N1/32101—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
- H04N1/32144—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title embedded in the image data, i.e. enclosed or integrated in the image, e.g. watermark, super-imposed logo or stamp
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N1/32101—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
- H04N1/32144—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title embedded in the image data, i.e. enclosed or integrated in the image, e.g. watermark, super-imposed logo or stamp
- H04N1/32149—Methods relating to embedding, encoding, decoding, detection or retrieval operations
- H04N1/32203—Spatial or amplitude domain methods
- H04N1/32208—Spatial or amplitude domain methods involving changing the magnitude of selected pixels, e.g. overlay of information or super-imposition
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N1/32101—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
- H04N1/32144—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title embedded in the image data, i.e. enclosed or integrated in the image, e.g. watermark, super-imposed logo or stamp
- H04N1/32149—Methods relating to embedding, encoding, decoding, detection or retrieval operations
- H04N1/32203—Spatial or amplitude domain methods
- H04N1/32251—Spatial or amplitude domain methods in multilevel data, e.g. greyscale or continuous tone data
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N1/32101—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
- H04N1/32144—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title embedded in the image data, i.e. enclosed or integrated in the image, e.g. watermark, super-imposed logo or stamp
- H04N1/32149—Methods relating to embedding, encoding, decoding, detection or retrieval operations
- H04N1/32309—Methods relating to embedding, encoding, decoding, detection or retrieval operations in colour image data
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/56—Cameras or camera modules comprising electronic image sensors; Control thereof provided with illuminating means
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2221/00—Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F2221/21—Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F2221/2151—Time stamp
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/0077—Types of the still picture apparatus
- H04N2201/0084—Digital still camera
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- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N2201/3201—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
- H04N2201/3204—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of data relating to a user, sender, addressee, machine or electronic recording medium
- H04N2201/3205—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of data relating to a user, sender, addressee, machine or electronic recording medium of identification information, e.g. name or ID code
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N2201/3201—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
- H04N2201/3212—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of data relating to a job, e.g. communication, capture or filing of an image
- H04N2201/3214—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of data relating to a job, e.g. communication, capture or filing of an image of a date
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N2201/3201—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
- H04N2201/3212—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of data relating to a job, e.g. communication, capture or filing of an image
- H04N2201/3215—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of data relating to a job, e.g. communication, capture or filing of an image of a time or duration
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N2201/3201—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
- H04N2201/3225—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of data relating to an image, a page or a document
- H04N2201/3233—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of data relating to an image, a page or a document of authentication information, e.g. digital signature, watermark
- H04N2201/3235—Checking or certification of the authentication information, e.g. by comparison with data stored independently
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N2201/3201—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
- H04N2201/3225—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of data relating to an image, a page or a document
- H04N2201/3253—Position information, e.g. geographical position at time of capture, GPS data
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N2201/3201—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
- H04N2201/3273—Display
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N2201/3201—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
- H04N2201/328—Processing of the additional information
- H04N2201/3281—Encryption; Ciphering
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- Software Systems (AREA)
- Oral & Maxillofacial Surgery (AREA)
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Abstract
Description
ここで、
「|」演算子は、データの連結を表し、
fhashは、暗号ハッシュ関数を表し、且つ
EPK(.)関数は、非対称公開鍵暗号を表す。
ここで、
「|」演算子は、データの連結を表し、
fhashは、暗号ハッシュ関数を表し、且つ
EPK(.)関数は、非対称公開鍵暗号を表す。
Claims (15)
- 可視光源からの光によって照光される環境の、カメラによって捕捉された画像を受信するための入力と、
前記画像の1つ又は複数を処理して、前記光に変調されたタイムスタンプを復号し、復号された前記タイムスタンプの表示を出力する画像処理モジュールと、
前記画像処理モジュールによって出力された前記復号されたタイムスタンプの前記表示を受信し、前記表示に基づいて、前記1つ又は複数の画像が捕捉された時点の少なくとも部分的に自動化された検証を実施する検証モジュールと
を備える、デバイス。 - 前記画像処理モジュールが、更に、前記1つ又は複数の画像の前記処理から、前記光に変調された前記光源又は環境の場所を示す情報を復号し、前記1つ又は複数の画像が捕捉された場所の検証のために前記場所の表示を出力する、請求項1に記載のデバイス。
- 前記情報が、
前記光に明示的に符号化された前記場所の座標若しくは名称、又は
場所データベース内の場所にマッピングされた前記光源の識別子
を含み、前記画像処理モジュールが、前記識別子に基づいて前記場所データベースから前記場所を探索する、請求項2に記載のデバイス。 - 前記画像処理モジュールが、更に、捕捉された前記画像の少なくとも1つに顔認識及び/又は他の画像認識アルゴリズムを適用し、それにより、前記少なくとも1つの画像内に現れる1人又は複数の人物を識別する、請求項1乃至3の何れか一項に記載のデバイス。
- 前記タイムスタンプが暗号化によって機密保護され、前記画像処理モジュールが、前記タイムスタンプにアクセスするために暗号鍵を使用する、請求項1乃至4の何れか一項に記載のデバイス。
- 前記画像処理モジュールが、少なくとも1つの画像ファイル内に前記1つ又は複数の画像を記憶し、前記出力することが、前記復号されたタイムスタンプを前記画像ファイルのメタデータとして前記画像ファイル内に記憶することを含み、
前記画像処理モジュールが、前記1つ又は複数の記憶されている画像から後で再び前記タイムスタンプを復号し、且つ
前記検証モジュールが、後で復号された前記タイムスタンプと前記メタデータ内の記憶されている前記タイムスタンプとを比較して、前記記憶されているタイムスタンプを検証することによって、前記少なくとも部分的に自動化された検証を実施する、請求項1乃至5の何れか一項に記載のデバイス。 - 前記メタデータ内の前記タイムスタンプ又は前記メタデータ全体が暗号化によって機密保護され、前記検証モジュールが、前記タイムスタンプ又はメタデータにアクセスするために暗号鍵を使用する、請求項6に記載のデバイス。
- 前記カメラが、それ自体のタイムスタンプを前記1つ又は複数の画像の少なくとも1つに追加し、前記検証モジュールが、前記カメラ自体のタイムスタンプを前記復号されたタイムスタンプと比較して前記カメラのタイムスタンプを検証することによって、前記少なくとも部分的に自動化された検証を実施する、請求項1乃至7の何れか一項に記載のデバイス。
- 前記光に変調された前記タイムスタンプが、秘密鍵を使用して署名され、前記検証モジュールが、対応する公開鍵を使用して前記復号されたタイムスタンプを検証することによって、前記少なくとも部分的に自動化された検証を実施する、請求項1乃至8の何れか一項に記載のデバイス。
- 前記画像処理モジュールは、前記タイムスタンプが復号、記憶、又は検証された後に、前記1つ又は複数の画像から変調を除去する、請求項1乃至9の何れか一項に記載のデバイス。
- 請求項1乃至10の何れか一項に記載のデバイスと、
前記環境を照光するために光を放出し、前記光源によって放出された光を、現在時点値を示す前記タイムスタンプで変調する前記光源と、
前記環境の前記1つ又は複数の画像を捕捉する前記カメラと
を備える、画像捕捉システム。 - 画像を処理するためのコンピュータプログラムであって、コンピュータ可読記憶媒体に具現化され、且つ実行されると、
光源からの光によって照光される環境の、カメラによって捕捉された画像を受信する操作と、
前記画像の1つ又は複数を処理して、前記1つ又は複数の画像が捕捉された時点を示す前記光に変調されたタイムスタンプを復号する操作と、
前記処理によって決定される前記タイムスタンプに基づいて、前記1つ又は複数の画像が捕捉された前記時点の少なくとも部分的に自動化された検証を実施する操作と
を行うコードを備える、コンピュータプログラム。 - 更に、
前記1つ又は複数の画像の前記処理から、前記光源又は環境の場所を示す前記光に変調された情報を復号し、前記1つ又は複数の画像が捕捉された場所の検証のために前記場所の表示を出力し、
前記捕捉された画像の少なくとも1つに顔認識及び/又は他の画像認識アルゴリズムを適用し、それにより、前記少なくとも1つの画像内に現れる1人又は複数の人物を識別し、且つ
前記識別された1人又は複数の人物が前記時点に前記場所にいたことが検証されるという事実のログを取る、請求項12に記載のコンピュータプログラム。 - 前記ログを取ることが、
場所ベースのゲーム、
小売報酬方式、
ソーシャルネットワーキングシステム、及び/又は
有名人スポッティングアプリケーション
の1つ又は複数の一部として前記事実のログを取ることを含む、請求項13に記載のコンピュータ。 - 光源から放出された光を使用して、環境を照光するステップと、
前記光源によって放出された光に、現在時点値を示すタイムスタンプを符号化するステップと、
カメラを使用して、前記環境の1つ又は複数を捕捉するステップと、
前記画像の少なくとも1つを処理して、前記光に符号化された前記タイムスタンプを決定するステップと、
前記処理によって決定された前記タイムスタンプに基づいて、少なくとも1つの前記画像が捕捉された時点の少なくとも部分的に自動化された検証を実施するステップと
を含む、方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP14167836.7 | 2014-05-12 | ||
EP14167836 | 2014-05-12 | ||
PCT/EP2015/059116 WO2015173001A1 (en) | 2014-05-12 | 2015-04-28 | Verification of images captured using a timestamp decoded from illumination from a modulated light source |
Publications (3)
Publication Number | Publication Date |
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JP2017526195A true JP2017526195A (ja) | 2017-09-07 |
JP2017526195A5 JP2017526195A5 (ja) | 2018-06-14 |
JP6545192B2 JP6545192B2 (ja) | 2019-07-17 |
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JP2016567213A Expired - Fee Related JP6545192B2 (ja) | 2014-05-12 | 2015-04-28 | 変調光源からの照光から復号されたタイムスタンプを使用する、捕捉された画像の検証 |
Country Status (6)
Country | Link |
---|---|
US (1) | US10074030B2 (ja) |
EP (1) | EP3143759A1 (ja) |
JP (1) | JP6545192B2 (ja) |
CN (1) | CN106471795B (ja) |
RU (1) | RU2016148406A (ja) |
WO (1) | WO2015173001A1 (ja) |
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Publication number | Priority date | Publication date | Assignee | Title |
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US10009100B2 (en) * | 2014-06-18 | 2018-06-26 | Qualcomm Incorporated | Transmission of identifiers using visible light communication |
EP3516888B1 (en) | 2016-09-22 | 2020-01-08 | Signify Holding B.V. | Associating a mobile device with a group |
EP3528486B1 (en) * | 2016-10-12 | 2023-01-11 | Fujitsu Limited | Signal adjustment program, signal adjustment apparatus, and signal adjustment method |
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US10074030B2 (en) | 2018-09-11 |
CN106471795B (zh) | 2019-03-12 |
EP3143759A1 (en) | 2017-03-22 |
WO2015173001A1 (en) | 2015-11-19 |
RU2016148406A (ru) | 2018-06-15 |
CN106471795A (zh) | 2017-03-01 |
JP6545192B2 (ja) | 2019-07-17 |
US20170124421A1 (en) | 2017-05-04 |
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