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Digital watermarking with content dependent keys and autocorrelation properties for synchronization 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04L-009/00
출원번호 US-0360794 (2001-04-30)
등록번호 US-7366908 (2008-04-29)
발명자 / 주소
  • Tewfik,Ahmed
출원인 / 주소
  • Digimarc Corporation
인용정보 피인용 횟수 : 16  인용 특허 : 39

초록 ▼

A digital watermark detection method exploits autocorrelation properties of the watermarked signal that enable synchronization of the digital watermark despite temporal or geometric distortion of the host signal. Other watermark methods employ keys, including a key dependent on the content in which

대표청구항 ▼

I claim: 1. A method of detecting a digital watermark embedded in a host signal comprising: receiving the host signal including a media signal and a digital watermark that has been perceptually adapted to the media signal in frequency and non-frequency domains; processing the host signal with a rep

이 특허에 인용된 특허 (39)

  1. Wolosewicz Jack, Apparatus and method for encoding and decoding information in audio signals.
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  2. Jensen James M. (Columbia MD) Graybill Robert B. (Ellicott City MD) Hassan Sayed (Clarksville MD) Lynch Wendell D. (Silver Spring MD) Sabin Wayne (Baldwin MD), Apparatus and methods for including codes in audio signals and decoding.
    상세보기
  3. Braudaway Gordon W. (Yorktown Heights NY) Magerlein Karen A. (Ossining NY) Mintzer Frederick C. (Shrub Oak NY), Color correct digital watermarking of images.
    상세보기
  4. Rhoads Geoffrey B., Computer system linked by using information in data objects.
    상세보기
  5. Zhao Jian ; Koch Eckhard,DEX, Digital authentication with analog documents.
    상세보기
  6. Adelson Edward H. (Cambridge MA), Digital signal encoding and decoding apparatus.
    상세보기
  7. Preuss Robert D. (Boston MA) Roukos Salim E. (Scarsdale NY) Huggins A. W. F. (Arlington MA) Gish Herbert (Newton MA) Bergamo Marcos A. (Wellesley MA) Peterson Patrick M. (Cambridge MA) Derr Alan G. (, Embedded signalling.
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  8. Owada Mitsuru,JPX ; Nagashima Yoshitake,JPX ; Kimura Takeo,JPX, Image processing apparatus and method for synthesizing first and second image data.
    상세보기
  9. Kawakami Haruko (Yokohama JPX) Sekizawa Hidekazu (Yokohama JPX) Yamamoto Naofumi (Tokyo JPX), Image processing apparatus using pattern generating circuits to process a color image.
    상세보기
  10. George Gregory Gruse ; Marco M. Hurtado ; Kenneth Louis Milsted ; Jeffrey B. Lotspiech, Key management system for digital content player.
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  11. Fardeau Michel (Les Milles FRX) Briend Michel (Roquevaire FRX) Tommasi Marc (Ventabren FRX) Galant Serge (Aix-en-Provence FRX), Method and apparatus for automatically identifying a program including a sound signal.
    상세보기
  12. John O. Ryan ; Patrice Capitant ; Clayton L. Davidson ; James Holzgrafe ; Kordian J Kurowski ; Andrew Mellows ; Tony Forrest Rodriquez, Method and apparatus for copy-once watermark for video recording.
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  13. Barton James M. (101 Sund Ave. Los Gatos CA 95032), Method and apparatus for embedding authentication information within digital data.
    상세보기
  14. Tewfik Ahmed H. ; Swanson Mitchell D. ; Zhu Bin, Method and apparatus for embedding data, including watermarks, in human perceptible images.
    상세보기
  15. Nagata Atsushi (Hirakata JPX) Uekawa Yutaka (Ashiya JPX) Senoo Takanori (Hirakata JPX) Takahashi Kenichi (Kyoto JPX), Method and apparatus for protection of signal copy.
    상세보기
  16. Lee Chong U. ; Moallemi Kamran ; Warren Robert L., Method and apparatus for transporting auxiliary data in audio signals.
    상세보기
  17. Powell Robert D. ; Nitzberg Mark J., Method and system for digital image signatures.
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  18. Benson Greg,SEX ; Urich Gregory H.,SEX, Method and system for managing a data object so as to comply with predetermined conditions for usage.
    상세보기
  19. Honsinger Chris W. ; Daly Scott J., Method for detecting rotation and magnification in images.
    상세보기
  20. Daly Scott J. ; Squilla John R. ; Denber Michel ; Honsinger Chris W. ; Hamilton John, Method for embedding digital information in an image.
    상세보기
  21. Moskowitz Scott A. ; Cooperman Marc, Method for human-assisted random key generation and application for digital watermark system.
    상세보기
  22. Rhoads Geoffrey B., Methods for surveying dissemination of proprietary empirical data.
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  23. Warren Robert L. ; Lee Chong U. ; Moallemi Kamran, Multi-media copy management system.
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  24. Warren Robert L. ; Lee Chong U. ; Moallemi Kamran, Multi-media copy management system.
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  25. Rhoads Geoffrey B., Network linking method using steganographically embedded data objects.
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  26. Rhoads,Geoffrey B.; Davis,Bruce L.; Evans,Douglas B., Portable devices and methods employing digital watermarking.
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  27. Eckhard Koch DE; Jian Zhao, Procedure for marking binary coded data sets.
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  28. Braudaway Gordon Wesley ; Mintzer Frederick Cole, Protecting images with an image watermark.
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  29. Schreiber William F. (Cambridge MA) Lippman Andrew B. (Salem MA) Adelson Edward H. (Cambridge MA) Netravali Aran N. (Westfield NJ), Receiver-compatible enhanced definition television system.
    상세보기
  30. Zhao Jian ; Koch Eckhard,DEX ; Saito Makoto,JPX, Secure distribution of digital representations.
    상세보기
  31. Cox Ingemar J. ; Kilian Joseph J. ; Shamoon Talal G., Secure spread spectrum watermarking for multimedia data.
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  32. Moses Donald W. (1590 Murphy Pkwy. Eagan MN 55122-1753), Simultaneous transmission of data and audio signals by means of perceptual coding.
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  33. Maxemchuk Nicholas F. (Mountainside NJ), Spread spectrum arrangement for (de)multiplexing speech signals and nonspeech signals.
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  34. Cooperman Marc (Palo Alto CA) Moskowitz Scott A. (Tokyo JPX), Steganographic method and device.
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  35. Van Wie David M. ; Weber Robert P., Steganographic techniques for securely delivering electronic digital rights management control information over insecure.
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  36. Rhoads Geoffrey B. (West Linn OR), Steganography methods employing embedded calibration data.
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  37. Erickson John S., System and method for managing copyrighted electronic media.
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  38. Schumann Robert W. ; Iu Siu-Leong ; Bugwadia Kobad ; Mercier Guillaume ; Ramadoss Shiva ; Bergeron Michael ; Ehrhardt Jack, System and methodology for tracing to a source of unauthorized copying of prerecorded proprietary material, such as movies.
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  39. Ginter Karl L. ; Shear Victor H. ; Sibert W. Olin ; Spahn Francis J. ; Van Wie David M., Systems and methods for secure transaction management and electronic rights protection.
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이 특허를 인용한 특허 (16)

  1. Alattar, Adnan M., Authentication of physical and electronic media objects using digital watermarks.
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  2. Alattar, Adnan M., Authentication of physical and electronic media objects using digital watermarks.
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  3. Davis, Bruce L.; Rodriguez, Tony F., Channelized audio watermarks.
    상세보기
  4. Risan, Hank; Fitzgerald, Edward Vincent, Controlling interaction of deliverable electronic media.
    상세보기
  5. Rhoads, Geoffrey B., Encoding and decoding media signals.
    상세보기
  6. Rhoads, Geoffrey B., Inserting watermarks into portions of digital signals.
    상세보기
  7. Barr, John Kennedy; Bradley, Brett A.; Hannigan, Brett T.; Alattar, Adnan M.; Durst, Robert, Layered security in digital watermarking.
    상세보기
  8. Bradley, Brett A.; Hannigan, Brett T.; Barr, John Kennedy, Layered security in digital watermarking.
    상세보기
  9. Bradley, Brett Alan; Hannigan, Brett T.; Barr, John Kennedy, Layered security in digital watermarking.
    상세보기
  10. Fernandez Carnero, José Luis; Rey Requejo, Santiago; Perez Gonzales, Fernando; Rocafort Cimadevila, Jorge; Comesaña Alfaro, Pedro; Perez Freire, Luis; Mosquera Nartallo, Carlos; Dominguez Conde, Gabriel, Method for marking a digital image with a digital water mark.
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  11. Levy, Kenneth L., Methods and apparatus for robust embedded data.
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  12. Pillers, Cary, Methods and apparatus to detect uninstallation of an on-device meter.
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  13. Pillers, Cary, Methods and apparatus to detect uninstallation of an on-device meter.
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  14. Pillers, Cary, Methods and apparatus to detect uninstallation of an on-device meter.
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  15. Rhoads, Geoffrey B., Methods and systems for inserting watermarks in digital signals.
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  16. Sperry, Robert H., System and method for controlling reproduction of documents containing sensitive information.
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