JP2004201321A - ハードコピー保護文書を作成、検証するシステムおよび方法 - Google Patents
ハードコピー保護文書を作成、検証するシステムおよび方法 Download PDFInfo
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- JP2004201321A JP2004201321A JP2003418246A JP2003418246A JP2004201321A JP 2004201321 A JP2004201321 A JP 2004201321A JP 2003418246 A JP2003418246 A JP 2003418246A JP 2003418246 A JP2003418246 A JP 2003418246A JP 2004201321 A JP2004201321 A JP 2004201321A
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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
- H04N1/32133—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 on the same paper sheet, e.g. a facsimile page header
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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
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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
- H04N2201/3225—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
- H04N2201/3226—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 identification information or the like, e.g. ID code, index, title, part of an image, reduced-size image
-
- 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
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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
- H04N2201/3225—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
- H04N2201/3236—Details of authentication information generation
-
- 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
- H04N2201/3236—Details of authentication information generation
- H04N2201/3238—Details of authentication information generation using a coded or compressed version of the image data itself
-
- 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
- H04N2201/3239—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 using a plurality of different authentication information
-
- 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
- H04N2201/3269—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of machine readable codes or marks, e.g. bar codes or glyphs
-
- 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
- H04N2201/3271—Printing or stamping
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- General Engineering & Computer Science (AREA)
- Editing Of Facsimile Originals (AREA)
- Image Processing (AREA)
Abstract
【解決手段】ハードコピーオリジナル文書から機械が読める符号化画像署名を有するハードコピー保護文書を得る。このようなハードコピー保護文書は、これらを保護文書検証システム200に入力することによって検証できる。この保護文書検証システム200は、機械が読める符号化された表現を識別して、これを制御システム236で処理し、復元した画像署名が、偽造または変更されているか否かを検出する。
【選択図】図7
Description
Claims (8)
- オリジナル文書情報を受信する入力部と、
受信した前記オリジナル文書情報を保持するメモリと、
前記オリジナル文書情報を処理し、画像署名テンプレートにしたがって前記オリジナル文書のセグメントに基づいて画像署名を取り出し、前記画像署名を表すデータを機械可読形式に符号化する制御システムと、
前記オリジナル文書情報の保護ハードコピー版であって、前記符号化された画像署名が一体的に形成されている保護ハードコピー版を作成する画像生成システムと、
を有するハードコピー保護文書生成装置。 - 請求項1に記載の装置において、
前記制御システムは、
前記保護ハードコピー版を検証するための、前記符号化された画像署名の確証レベルに関する情報と、
所定のハードコピー保護文書に特有の情報と、
続いて圧縮または暗号化されるデジタル情報に関する情報と、
前記保護ハードコピー版を検証するために実行される画像処理技術および/またはその他の画像識別アルゴリズムを特定する情報と、
有効/無効条件の有無に応じて検証システムが実行する動作に関する情報と
の内の少なくとも1つを符号化するように動作できる、ハードコピー保護文書生成装置。 - 符号化された画像署名を有するハードコピー保護文書を受信し、受信した前記ハードコピー保護文書から得た文書画像を提供する文書入力装置と、
前記文書画像を維持する文書保存装置と、
前記文書画像中の前記符号化された画像署名を検出して、その位置を特定する検出装置と、
前記符号化された画像署名内の符号化された主要画像署名を表すデータを復元するデコーダと、
画像署名テンプレートにしたがって前記文書画像を処理して、二次的な画像署名を表すデータを提供し、前記主要および二次的画像署名を表すデータを比較して、対応する有効または無効条件を決定する制御システムと、
を有するハードコピー保護文書検証装置。 - ハードコピーオリジナル文書からハードコピー保護文書を作成する方法であって、
前記ハードコピーオリジナル文書を画像撮影装置に提供して、オリジナル文書の画像を取得し、デジタル化し、
事前に規定された画像署名テンプレートにしたがって、前記取得した画像のセグメントを選択し、
前記選択されたセグメントを主要画像署名に変換し、
前記主要画像署名を機械可読コードに符号化し、
前記符号化された主要画像署名をハードコピー形式に作成し、
前記符号化された画像署名の得られたハードコピー形式を前記オリジナル文書に一体化する、方法。 - オリジナル文書の電子版からハードコピー保護文書を作成する方法であって、
前記オリジナル文書の電子版を画像処理装置に入力し、
事前に規定された画像署名テンプレートにしたがって前記電子版のセグメントを選択し、
前記選択された画像セグメントを画像署名に変換し、
前記画像署名を機械可読コードに符号化し、
前記符号化された画像署名を、前記オリジナル文書の電子版と合体して、合体画像を作成し、
前記合体画像を複写装置に入力して、ハードコピーの形式である、前記保護文書のハードコピー版を作成して、ハードコピー保護文書を提供する、方法。 - ハードコピー保護文書を検証する方法であって、
前記ハードコピー保護文書を画像撮影装置に提供し、
前記ハードコピー保護文書の画像を取得し、
前記ハードコピー保護文書の画像をデジタル化して、デジタル化画像を作成し、
前記デジタル化画像中における符号化された主要画像署名の位置を特定し、
前記符号化された主要画像署名を復号して、主要画像署名を表すデータを復元し、
事前に規定された画像署名テンプレートにしたがって、前記デジタル化画像の画像セグメントを選択して、二次的な画像署名を表すデータを作成し、
前記主要および二次的な画像署名を表すデータを比較し、
前記データの比較に応じて、対応する有効または無効条件を検出する、方法。 - ハードコピー保護文書であって、
人間が読むことができる形式で記録された情報内容と、機械が読むことができる形式で記録された符号化された画像署名とを有する基板を有し、
前記記録された符号化された画像署名は前記記録された情報内容から取得した画像セグメントを表すデータを含み、
前記取得した画像セグメントは所定の画像署名テンプレートにしたがって選択された、ハードコピー保護文書。 - 請求項7に記載の文書であって、
前記符号化された画像署名は、
ホログラフ符号化、
磁気ストリップ符号化、
高密度バーコード符号化、
マイクロドット符号化、
データグリフ符号化、
サーペンタイン符号化、および
これらの組合せ、
の中の少なくとも1個にしたがって符号化された、文書。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/320,864 US7197644B2 (en) | 2002-12-16 | 2002-12-16 | Systems and methods for providing hardcopy secure documents and for validation of such documents |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2004201321A true JP2004201321A (ja) | 2004-07-15 |
Family
ID=32392988
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003418246A Pending JP2004201321A (ja) | 2002-12-16 | 2003-12-16 | ハードコピー保護文書を作成、検証するシステムおよび方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7197644B2 (ja) |
EP (1) | EP1432234B1 (ja) |
JP (1) | JP2004201321A (ja) |
Cited By (2)
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JP2006203787A (ja) * | 2005-01-24 | 2006-08-03 | Toshiba Corp | 画像処理装置、画像処理方法および記録物 |
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US20040117627A1 (en) | 2004-06-17 |
EP1432234B1 (en) | 2011-09-28 |
US7197644B2 (en) | 2007-03-27 |
EP1432234A1 (en) | 2004-06-23 |
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