JP4435830B2 - 情報検出装置および情報検出方法 - Google Patents
情報検出装置および情報検出方法 Download PDFInfo
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- JP4435830B2 JP4435830B2 JP2007502134A JP2007502134A JP4435830B2 JP 4435830 B2 JP4435830 B2 JP 4435830B2 JP 2007502134 A JP2007502134 A JP 2007502134A JP 2007502134 A JP2007502134 A JP 2007502134A JP 4435830 B2 JP4435830 B2 JP 4435830B2
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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
-
- 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
- H04N1/32229—Spatial or amplitude domain methods with selective or adaptive application of the additional information, e.g. in selected regions of the image
- H04N1/32245—Random or pseudorandom selection of pixels
-
- 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
-
- 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
- H04N1/32288—Multiple embedding, e.g. cocktail embedding, or redundant embedding, e.g. repeating the additional information at a plurality of locations in 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
- H04N1/32149—Methods relating to embedding, encoding, decoding, detection or retrieval operations
- H04N1/3232—Robust embedding or watermarking
-
- 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
- H04N1/32341—Blind embedding, i.e. the original image not being known beforehand
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Editing Of Facsimile Originals (AREA)
- Image Processing (AREA)
Description
松井甲子雄:"電子透かしの基礎"、森北出版(1998年)、91〜94ページ
Claims (3)
- 複数の要素データの内、第1要素データと第2要素データの値に変更が加えられ多ビット情報で構成される各々のビット情報が前記第1要素データと前記第2要素データで構成される複数のデータセットに付加情報として埋め込まれている前記複数の要素データで構成されるデジタルデータを受信する受信部と、
前記複数のデータセットを、対象データとして選択する第1選択部と、
前記複数のデータセットの各々において前記第1要素データの近傍に位置する要素データと、前記第2要素データの近傍に位置する要素データを近傍データとして選択する第2選択部と、
前記対象データと前記近傍データから、前記第1要素データと前記第2要素データに加えられた変更量をデータセット毎に算出し、一つのビット情報が付加されている前記変更量の内、第1閾値以上又は第2閾値以下に該当する前記変更量を除外した前記変更量の総和を算出する算出部と、
前記変更量の総和に基づき、前記一つのビット情報の値を判定して、前記付加情報を検出する検出部を備える情報検出装置。 - 複数の要素データの内、第1要素データと第2要素データの値に変更が加えられ多ビット情報で構成される各々のビット情報が前記第1要素データと前記第2要素データで構成される複数のデータセットに付加情報として埋め込まれている前記複数の要素データで構成されるデジタルデータを受信する受信ステップと、
前記複数のデータセットを、対象データとして選択する第1選択ステップと、
前記複数のデータセットの各々において前記第1要素データの近傍に位置する要素データと、前記第2要素データの近傍に位置する要素データを近傍データとして選択する第2選択ステップと、
前記対象データと前記近傍データから、前記第1要素データと前記第2要素データに加えられた変更量をデータセット毎に算出し、一つのビット情報が付加されている前記変更量の内、第1閾値以上又は第2閾値以下に該当する前記変更量を除外した前記変更量の総和を算出する算出ステップと、
前記変更量の総和に基づき、前記一つのビット情報の値を判定して、前記付加情報を検出する検出ステップを備える情報検出方法。 - 複数の要素データの内、第1要素データと第2要素データの値に変更が加えられ多ビット情報で構成される各々のビット情報が前記第1要素データと前記第2要素データで構成される複数のデータセットに付加情報として埋め込まれている前記複数の要素データで構成されるデジタルデータを受信する受信ステップと、
前記複数のデータセットを、対象データとして選択する第1選択ステップと、
前記複数のデータセットの各々において前記第1要素データの近傍に位置する要素データと、前記第2要素データの近傍に位置する要素データを近傍データとして選択する第2選択ステップと、
前記対象データと前記近傍データから、前記第1要素データと前記第2要素データに加えられた変更量をデータセット毎に算出し、一つのビット情報が付加されている前記変更量の内、第1閾値以上又は第2閾値以下に該当する前記変更量を除外した前記変更量の総和を算出する算出ステップと、
前記変更量の総和に基づき、前記一つのビット情報の値を判定して、前記付加情報を検出する検出ステップを備えるコンピューター用プログラムデータを格納する記録媒体。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004301147 | 2004-10-15 | ||
PCT/JP2005/018912 WO2006041145A1 (en) | 2004-10-15 | 2005-10-07 | Information-detecting apparatus and method |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008516467A JP2008516467A (ja) | 2008-05-15 |
JP4435830B2 true JP4435830B2 (ja) | 2010-03-24 |
Family
ID=35447604
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007502134A Expired - Fee Related JP4435830B2 (ja) | 2004-10-15 | 2005-10-07 | 情報検出装置および情報検出方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7676055B2 (ja) |
EP (1) | EP1800466A1 (ja) |
JP (1) | JP4435830B2 (ja) |
WO (1) | WO2006041145A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2122569B1 (de) * | 2006-12-14 | 2016-05-04 | Tredess 2010, S.L. | Verfahren zur kennzeichnung eines digitalen bildes mit einem digitalen wasserzeichen |
CA2681402C (en) * | 2007-03-23 | 2016-02-16 | Thomson Licensing | Modifying a coded bitstream |
CN101681499B (zh) | 2007-06-14 | 2013-04-24 | 汤姆逊许可证公司 | 修改经编码的比特流 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3630026B2 (ja) | 1998-12-02 | 2005-03-16 | 株式会社日立製作所 | 電子透かし情報の判定方法 |
US6993148B1 (en) * | 1999-07-16 | 2006-01-31 | Canon Kabushiki Kaisha | Image processing apparatus and method, and storage medium |
US7142689B2 (en) * | 2000-01-31 | 2006-11-28 | Canon Kabushiki Kaisha | Image processing apparatus for determining specific images |
-
2005
- 2005-10-07 JP JP2007502134A patent/JP4435830B2/ja not_active Expired - Fee Related
- 2005-10-07 EP EP05793829A patent/EP1800466A1/en not_active Withdrawn
- 2005-10-07 US US10/582,964 patent/US7676055B2/en not_active Expired - Fee Related
- 2005-10-07 WO PCT/JP2005/018912 patent/WO2006041145A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
WO2006041145A1 (en) | 2006-04-20 |
US20080273627A1 (en) | 2008-11-06 |
JP2008516467A (ja) | 2008-05-15 |
US7676055B2 (en) | 2010-03-09 |
EP1800466A1 (en) | 2007-06-27 |
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