FI105418B - Varmennuskoodin kätkeminen sähköiseen signaaliin - Google Patents
Varmennuskoodin kätkeminen sähköiseen signaaliin Download PDFInfo
- Publication number
- FI105418B FI105418B FI970295A FI970295A FI105418B FI 105418 B FI105418 B FI 105418B FI 970295 A FI970295 A FI 970295A FI 970295 A FI970295 A FI 970295A FI 105418 B FI105418 B FI 105418B
- Authority
- FI
- Finland
- Prior art keywords
- information
- image
- value
- signal
- filter
- Prior art date
Links
- 238000012795 verification Methods 0.000 title claims description 22
- 238000000034 method Methods 0.000 claims description 36
- 238000001914 filtration Methods 0.000 claims description 21
- 230000008859 change Effects 0.000 claims description 13
- 238000012545 processing Methods 0.000 claims description 8
- 238000012552 review Methods 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 description 9
- 238000004422 calculation algorithm Methods 0.000 description 5
- 230000001419 dependent effect Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000007619 statistical method Methods 0.000 description 3
- 238000010200 validation analysis Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- GXCLVBGFBYZDAG-UHFFFAOYSA-N N-[2-(1H-indol-3-yl)ethyl]-N-methylprop-2-en-1-amine Chemical compound CN(CCC1=CNC2=C1C=CC=C2)CC=C GXCLVBGFBYZDAG-UHFFFAOYSA-N 0.000 description 1
- 230000007175 bidirectional communication Effects 0.000 description 1
- 230000000981 bystander Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000006854 communication Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005183 dynamical system Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000013518 transcription Methods 0.000 description 1
- 230000035897 transcription Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- 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
- H04N1/32154—Transform domain methods
-
- 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
-
- 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
- H04N2201/327—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 which are undetectable to the naked eye, e.g. embedded codes
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Image Processing (AREA)
- Collating Specific Patterns (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI970295A FI105418B (fi) | 1997-01-24 | 1997-01-24 | Varmennuskoodin kätkeminen sähköiseen signaaliin |
EP98100682A EP0855829B1 (de) | 1997-01-24 | 1998-01-16 | Verfahren und Vorrichtung zum Verstecken eines Authenfizierungskodes in einem elektrischen Signal |
DE69800601T DE69800601T2 (de) | 1997-01-24 | 1998-01-16 | Verfahren und Vorrichtung zum Verstecken eines Authenfizierungskodes in einem elektrischen Signal |
US09/010,606 US6094722A (en) | 1997-01-24 | 1998-01-22 | Hiding a authentication code in an electric signal |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI970295 | 1997-01-24 | ||
FI970295A FI105418B (fi) | 1997-01-24 | 1997-01-24 | Varmennuskoodin kätkeminen sähköiseen signaaliin |
Publications (3)
Publication Number | Publication Date |
---|---|
FI970295A0 FI970295A0 (fi) | 1997-01-24 |
FI970295A FI970295A (fi) | 1998-07-25 |
FI105418B true FI105418B (fi) | 2000-08-15 |
Family
ID=8547799
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI970295A FI105418B (fi) | 1997-01-24 | 1997-01-24 | Varmennuskoodin kätkeminen sähköiseen signaaliin |
Country Status (4)
Country | Link |
---|---|
US (1) | US6094722A (de) |
EP (1) | EP0855829B1 (de) |
DE (1) | DE69800601T2 (de) |
FI (1) | FI105418B (de) |
Families Citing this family (39)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USRE47908E1 (en) | 1991-12-23 | 2020-03-17 | Blanding Hovenweep, Llc | Ergonomic man-machine interface incorporating adaptive pattern recognition based control system |
US6850252B1 (en) | 1999-10-05 | 2005-02-01 | Steven M. Hoffberg | Intelligent electronic appliance system and method |
US5903454A (en) | 1991-12-23 | 1999-05-11 | Hoffberg; Linda Irene | Human-factored interface corporating adaptive pattern recognition based controller apparatus |
USRE46310E1 (en) | 1991-12-23 | 2017-02-14 | Blanding Hovenweep, Llc | Ergonomic man-machine interface incorporating adaptive pattern recognition based control system |
US10361802B1 (en) | 1999-02-01 | 2019-07-23 | Blanding Hovenweep, Llc | Adaptive pattern recognition based control system and method |
USRE48056E1 (en) | 1991-12-23 | 2020-06-16 | Blanding Hovenweep, Llc | Ergonomic man-machine interface incorporating adaptive pattern recognition based control system |
US5721788A (en) * | 1992-07-31 | 1998-02-24 | Corbis Corporation | Method and system for digital image signatures |
US7171016B1 (en) | 1993-11-18 | 2007-01-30 | Digimarc Corporation | Method for monitoring internet dissemination of image, video and/or audio files |
US5822436A (en) * | 1996-04-25 | 1998-10-13 | Digimarc Corporation | Photographic products and methods employing embedded information |
US6229924B1 (en) | 1996-05-16 | 2001-05-08 | Digimarc Corporation | Method and apparatus for watermarking video images |
US6625295B1 (en) * | 1996-09-13 | 2003-09-23 | Purdue Research Foundation | Authentication of signals using watermarks |
US7130442B2 (en) * | 1996-10-28 | 2006-10-31 | International Business Machines Corporation | Protecting images with an image watermark |
US6131162A (en) * | 1997-06-05 | 2000-10-10 | Hitachi Ltd. | Digital data authentication method |
DE19812826C1 (de) * | 1998-03-24 | 2000-03-02 | Fraunhofer Ges Forschung | Verfahren zur Fälschungssicherung von Dokumenten mit einem Bild, vorzugsweise mit einem Paßbild |
JP3809297B2 (ja) * | 1998-05-29 | 2006-08-16 | キヤノン株式会社 | 画像処理方法、装置及び媒体 |
FR2782223B1 (fr) * | 1998-08-06 | 2000-11-03 | Canon Kk | Procede et dispositif d'insertion et de decodage d'une marque dans des donnees numeriques |
US6944313B1 (en) | 1998-08-06 | 2005-09-13 | Canon Kabushiki Kaisha | Method and device for inserting and decoding a watermark in digital data |
FR2782224B1 (fr) * | 1998-08-06 | 2000-11-03 | Canon Kk | Procede et dispositif d'insertion et de decodage d'une marque dans des donnees numeriques |
US6771795B1 (en) * | 2000-09-07 | 2004-08-03 | Sarnoff Corporation | Spatio-temporal channel for image watermarks or data |
US6826315B1 (en) * | 2000-09-13 | 2004-11-30 | Hewlett-Packard Development Company, L.P. | Digital imaging device with image authentication capability |
US6978371B1 (en) * | 2000-11-07 | 2005-12-20 | Matsushita Electric Industrial Co., Ltd. | Data hiding in digital multimedia |
US6687385B1 (en) * | 2000-11-22 | 2004-02-03 | Xerox Corporation | Method for steganographic encoding |
US6778679B1 (en) * | 2000-11-22 | 2004-08-17 | Xerox Corporation | Method for steganographic decoding |
US6483927B2 (en) * | 2000-12-18 | 2002-11-19 | Digimarc Corporation | Synchronizing readers of hidden auxiliary data in quantization-based data hiding schemes |
US7162453B1 (en) * | 2001-06-29 | 2007-01-09 | I2 Technologies Us, Inc. | Protecting content from unauthorized reproduction |
US6724914B2 (en) | 2001-10-16 | 2004-04-20 | Digimarc Corporation | Progressive watermark decoding on a distributed computing platform |
US7006662B2 (en) | 2001-12-13 | 2006-02-28 | Digimarc Corporation | Reversible watermarking using expansion, rate control and iterative embedding |
US7231061B2 (en) | 2002-01-22 | 2007-06-12 | Digimarc Corporation | Adaptive prediction filtering for digital watermarking |
US7567721B2 (en) * | 2002-01-22 | 2009-07-28 | Digimarc Corporation | Digital watermarking of low bit rate video |
US7577841B2 (en) | 2002-08-15 | 2009-08-18 | Digimarc Corporation | Watermark placement in watermarking of time varying media signals |
US7756288B2 (en) * | 2003-05-29 | 2010-07-13 | Jeffrey Lubin | Method and apparatus for analog insertion of low frequency watermarks |
US7257234B2 (en) * | 2003-08-14 | 2007-08-14 | Microsoft Corporation | Watermark-based goods authentication |
US7116374B2 (en) * | 2003-08-26 | 2006-10-03 | Koplar Interactive Systems International, L.L.C. | Method and system for enhanced modulation of video signals |
US8077904B2 (en) * | 2006-06-30 | 2011-12-13 | Nokia Corporation | Apparatuses, computer program products, and methods for authenticating digital signals |
FR2907622A1 (fr) | 2006-10-19 | 2008-04-25 | St Microelectronics Sa | Procede de transmission de donnees utilisant un code d'accuse de reception comportant des bits d'authentification caches |
US8463109B2 (en) * | 2008-01-07 | 2013-06-11 | Black Mariah, Inc. | Editing digital film |
US20090207998A1 (en) * | 2008-01-07 | 2009-08-20 | Angus Wall | Determining unique material identifier numbers using checksum values |
KR20130082706A (ko) * | 2011-12-15 | 2013-07-22 | 한국전자통신연구원 | 클라이언트 기기의 응용을 처리하는 휴대 단말 장치 및 처리 방법 |
US9319417B2 (en) | 2012-06-28 | 2016-04-19 | Fortinet, Inc. | Data leak protection |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62214484A (ja) * | 1986-03-17 | 1987-09-21 | Fujitsu Ltd | エア−ブラシ処理におけるすかし処理方式 |
EP0597056A1 (de) * | 1992-05-29 | 1994-05-18 | Ecole Polytechnique Federale De Lausanne | Dokumentenmarkierungsverfahren |
WO1995027627A1 (en) * | 1992-10-01 | 1995-10-19 | Joh. Enschedé En Zonen Grafische Inrichting B.V. | Method for making a code image, original comprising such a code image and photocopier for copying such an original |
US5568570A (en) * | 1994-09-30 | 1996-10-22 | Eastman Kodak Company | Method and apparatus for reducing quantization artifacts in a hierarchical image storage and retrieval system |
US5943422A (en) * | 1996-08-12 | 1999-08-24 | Intertrust Technologies Corp. | Steganographic techniques for securely delivering electronic digital rights management control information over insecure communication channels |
-
1997
- 1997-01-24 FI FI970295A patent/FI105418B/fi active
-
1998
- 1998-01-16 DE DE69800601T patent/DE69800601T2/de not_active Expired - Lifetime
- 1998-01-16 EP EP98100682A patent/EP0855829B1/de not_active Expired - Lifetime
- 1998-01-22 US US09/010,606 patent/US6094722A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0855829A3 (de) | 1998-11-18 |
DE69800601T2 (de) | 2002-06-20 |
US6094722A (en) | 2000-07-25 |
EP0855829B1 (de) | 2001-03-21 |
DE69800601D1 (de) | 2001-04-26 |
EP0855829A2 (de) | 1998-07-29 |
FI970295A0 (fi) | 1997-01-24 |
FI970295A (fi) | 1998-07-25 |
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