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Extracting digital watermarks using logarithmic sampling and symmetrical attributes

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04L-009/00
  • G06K-009/00
출원번호 US-0202367 (2002-07-22)
발명자 / 주소
  • Rhoads, Geoffrey B.
  • Sharma, Ravi K.
출원인 / 주소
  • Digimarc Corporation
대리인 / 주소
    Meyer, Joel RDigimarc Corporation
인용정보 피인용 횟수 : 114  인용 특허 : 14

초록

A digital watermark reader performs a logarithmic sampling of a watermarked media signal to produce a sampled signal. It then analyzes the sampled signal to detect attributes associated with a watermark signal. It extracts a digital watermark based on detected attributes associated with the watermar

대표청구항

1. A method of extracting a digital watermark in a media signal comprising: performing a logarithmic sampling of the media signal to produce a sampled signal; analyzing the sampled signal to detect attributes associated with a watermark signal; and extracting the digital watermark based on dete

이 특허에 인용된 특허 (14)

  1. Senoh Takanori,JPX, Apparatus and method for watermark data insertion and apparatus and method for watermark data detection.
  2. Geoffrey B. Rhoads ; Ravi K. Sharma, Determining transformations of media signals with embedded code signals.
  3. Yoshiki Uchida, Image processing apparatus and method.
  4. Suzuki Yoshiyuki,JPX ; Funada Masahiro,JPX ; Outa Kenichi,JPX ; Kawase Michio,JPX, Image reading or processing with ability to prevent copying of certain originals.
  5. Honsinger Chris W. ; Daly Scott J., Method for detecting rotation and magnification in images.
  6. Daly Scott J. ; Squilla John R. ; Denber Michel ; Honsinger Chris W. ; Hamilton John, Method for embedding digital information in an image.
  7. Rhoads Geoffrey B., Methods for surveying dissemination of proprietary empirical data.
  8. Lee Chong U. (San Diego CA) Moallemi Kamran (Del Mar CA) Hinderling Jurg (San Diego CA), Post-compression hidden data transport.
  9. Cox Ingemar J. ; Kilian Joseph J. ; Shamoon Talal G., Secure spread spectrum watermarking for multimedia data.
  10. Cox Ingemar J. ; Kilian Joseph J. ; Shamoon Talal G., Secure spread spectrum watermarking for multimedia data.
  11. Cooperman Marc (Palo Alto CA) Moskowitz Scott A. (Tokyo JPX), Steganographic method and device.
  12. Chen Brian ; Wornell Gregory W., System method, and product for information embedding using an ensemble of non-intersecting embedding generators.
  13. Geoffrey B. Rhoads ; Ravi K. Sharma, Watermark detection using a fourier mellin transform.
  14. Moskowitz Scott A. ; Cooperman Marc S., Z-transform implementation of digital watermarks.

이 특허를 인용한 특허 (114)

  1. Reed, Alastair M.; Jones, Robert L., Apparatus to analyze security features on objects.
  2. Rhoads, Geoffrey B., Associating data with media signals in media signal systems through auxiliary data steganographically embedded in the media signals.
  3. Rhoads, Geoffrey B.; Rodriguez, Tony F.; McKinley, Tyler J.; Miller, Marc D.; Hierholzer, Kirstin, Associating objects with corresponding behaviors.
  4. Rhoads, Geoffrey B., Audio and video signal processing.
  5. Rodriguez, Tony F.; Rhoads, Geoffrey B., Authenticating identification and security documents.
  6. Rodriguez, Tony F.; Rhoads, Geoffrey B.; Sharma, Ravi K., Authenticating identification and security documents.
  7. Rodriguez, Tony F., Authenticating identification and security documents and other objects.
  8. Rodriguez, Tony F.; Rhoads, Geoffrey B.; Sharma, Ravi K., Authenticating identification and security documents and other objects.
  9. Brundage, Trent J.; Hannigan, Brett T., Authentication methods and systems including embedded auxiliary data.
  10. Rhoads, Geoffrey B., Background watermark processing.
  11. Rudaz, Nicolas; Kutter, Martin; Jordan, Fred; Gilles, Jean-Claude; Durant, Pierre, Banknotes with a printed security image that can be detected with one-dimensional signal processing.
  12. Ellingson, Eric E., Bi-directional image capture methods and apparatuses.
  13. Reed, Alastair M.; Rhoads, Geoffrey B., Color image or video processing.
  14. Reed, Alastair M.; Rhoads, Geoffrey B., Color image or video processing.
  15. Reed, Alastair M.; Rhoads, Geoffrey B., Color image or video processing.
  16. Reed, Alastair M; Rhoads, Geoffrey B, Color image or video processing.
  17. Alattar,Adnan M.; Meyer,Joel R., Computing distortion of media signals embedded data with repetitive structure and log-polar mapping.
  18. Alattar, Adnan M.; Meyer, Joel R., Computing distortion of media signals using embedded data with repetitive structure and log-polar mapping.
  19. Holub, Vojtech; Carrier, Thomas P.; Haaga, Donald, Construction of signal maps for images with encoded signals.
  20. Levy, Kenneth L., Content identification and management in content distribution networks.
  21. Rhoads, Geoffrey B., Content identification through deriving identifiers from video, images and audio.
  22. Rhoads, Geoffrey B., Controlling use of audio or image content.
  23. Bradley, Brett A.; Kamath, Ajith M.; Filler, Tomas; Holub, Vojtech, Decoding 1D-barcodes in digital capture systems.
  24. Ramos, Daniel O.; Jones, Kevin C.; Rhoads, Geoffrey B., Decoding a watermark and processing in response thereto.
  25. Rhoads, Geoffrey B., Deriving identifying data from video and audio.
  26. Levy, Kenneth L.; Meyer, Joel R., Deriving multiple fingerprints from audio or video content.
  27. Brundage, Trent J.; Holub, Vojtech; Cushman, David A., Detecting conflicts between multiple different encoded signals within imagery.
  28. Johnson, Andrew; Biggar, Michael, Digital watermark systems and methods.
  29. Carr, J. Scott; Sher-Jan, Mahmood; Levy, Kenneth L.; Miller, Marc D.; McKinley, Tyler J., Digital watermarking for identification documents.
  30. Levy, Kenneth L., Digital watermarking for workflow by tracking content or content identifiers with respect to time.
  31. Rodriguez, Tony F.; Brundage, Trent J., Digital watermarking image signals on-chip.
  32. Reed, Alastair M.; Brundage, Trent J., Digital watermarking in data representing color channels.
  33. Reed, Alastair M.; Brundage, Trent J., Digital watermarking in data representing color channels.
  34. Reed, Alastair M.; Brundage, Trent J., Digital watermarking in data representing color channels.
  35. Levy, Kenneth L.; Rhoads, Geoffrey B., Digital watermarking systems and methods.
  36. Rhoads, Geoffrey B.; Carr, J. Scott, Digital watermarks.
  37. Rhoads, Geoffrey B.; Carr, J. Scott, Digital watermarks.
  38. Rhoads, Geoffrey B.; Carr, J. Scott, Digital watermarks.
  39. Davis, Bruce L.; Rhoads, Geoffrey B., Digitally marked objects and promotional methods.
  40. Decker, Stephen K.; Brunk, Hugh L.; Carr, J. Scott; Rhoads, Geoffrey B.; Lofgren, Neil E., Digitally watermarking holograms.
  41. Muratani, Hirofumi, Electronic watermark detection apparatus and method.
  42. Muratani,Hirofumi, Electronic watermark detection apparatus and method.
  43. Davis, Bruce L.; Rhoads, Geoffrey B., Embedding and reading codes on objects.
  44. Rhoads, Geoffrey B., Encoding and decoding media signals.
  45. Rhoads, Geoffrey B., Error processing of steganographic message signals.
  46. Holub, Vojtech; Filler, Tomas, Feature-based signal localization in digital capture systems.
  47. Holub, Vojtech; Filler, Tomas, Feature-based watermark localization in digital capture systems.
  48. Rhoads, Geoffrey B.; Rodriguez, Anthony, Fingerprints and machine-readable codes combined with user characteristics to obtain content or information.
  49. Rhoads, Geoffrey B.; Rodriguez, Tony F., Fingerprints and machine-readable codes combined with user characteristics to obtain content or information.
  50. Reed, Alastair M.; Rodriguez, Tony F.; Sharma, Ravi K., Fragile and emerging digital watermarks.
  51. Andrews, III, Hoyet Harrison; Rosove, Stuart Filip; Rodriguez, Tony F., Geographic-based detection keys.
  52. Andrews, III, Hoyet Harrison; Rosove, Stuart Filip; Rodriguez, Tony F., Geographic-based signal detection.
  53. Andrews, III, Hoyet Harrison; Rosove, Stuart Filip; Rodriguez, Tony F., Geographic-based signal detection.
  54. Rhoads, Geoffrey B.; Rodriguez, Tony F., Gestural techniques with wireless mobile phone devices.
  55. Turski, Jacek, Image processing method for object recognition and dynamic scene understanding.
  56. Rhoads, Geoffrey B.; Sharma, Ravi K., Image processing using embedded registration data to determine and compensate for geometric transformation.
  57. Labrec, Brian, Increasing thermal conductivity of host polymer used with laser engraving methods and compositions.
  58. Labrec, Brian C., Increasing thermal conductivity of host polymer used with laser engraving methods and compositions.
  59. Rhoads, Geoffrey B., Inserting watermarks into portions of digital signals.
  60. Rhoads, Geoffrey B.; Rodriguez, Tony F., Interactive systems and methods employing wireless mobile devices.
  61. Rodriguez, Tony F., Internet and database searching with handheld devices.
  62. Rodriguez, Tony F.; Stewart, Steven W., Internet and database searching with handheld devices.
  63. Holub, Vojtech; Filler, Tomas, Localization of machine-readable indicia in digital capture systems.
  64. Rhoads, Geoffrey B.; Rodriguez, Tony F., Location-based arrangements employing mobile devices.
  65. Rodriguez, Tony F., Machine-readable features for objects.
  66. Levy, Kenneth L., Media methods and systems.
  67. Rodriguez, Tony F.; Calhoon, Sean; Reed, Alastair M., Metadata management and generation using perceptual features.
  68. Rhoads, Geoffrey B., Method and apparatus for associating identifiers with content.
  69. Tuttle, John R., Method and system of audio capture based on logarithmic conversion.
  70. Ramos, Daniel O.; MacIntosh, Brian T.; Rhoads, Geoffrey B., Method for enhancing content using persistent content identification.
  71. Srinivasan, Venugopal; Topchy, Alexander, Methods and apparatus to perform audio watermark detection and extraction.
  72. Rhoads, Geoffrey B., Methods and apparatus to process imagery or audio content.
  73. Rhoads, Geoffrey B., Methods and arrangements employing digital content items.
  74. Rhoads, Geoffrey B.; Rodriguez, Tony F., Methods and devices employing content identifiers.
  75. Rhoads, Geoffrey B.; Rodriguez, Tony F., Methods and devices employing content identifiers.
  76. Rhoads, Geoffrey B.; Rodriguez, Tony F., Methods and devices involving imagery and gestures.
  77. Hannigan, Brett T; Sharma, Ravi K; Rodriguez, Tony F, Methods and related toy and game applications using encoded information.
  78. Rhoads, Geoffrey B., Methods and systems for inserting watermarks in digital signals.
  79. Rhoads, Geoffrey B., Methods and systems for interacting with physical objects.
  80. Rhoads, Geoffrey B.; Rodriguez, Tony F., Methods and systems for user-association of visual stimuli with corresponding responses.
  81. Rhoads, Geoffrey B., Methods and systems useful in linking from objects to remote resources.
  82. Rhoads, Geoffrey B., Methods for analyzing electronic media including video and audio.
  83. Rhoads, Geoffrey B., Methods for controlling rendering of images and video.
  84. Holub, Vojtech; Filler, Tomas, Methods for estimating watermark signal strength, an embedding process using the same, and related arrangements.
  85. Rhoads, Geoffrey B.; Hein, III, William C.; Levy, Kenneth L., Methods for linking from objects to remote resources.
  86. Rhoads, Geoffrey B., Methods for managing content using intentional degradation and insertion of steganographic codes.
  87. Rhoads, Geoffrey B., Methods for steganographic encoding media.
  88. Rodriguez, Tony F.; Brundage, Trent J.; Shovoly, Steven Michael, Methods involving maps, imagery, video and steganography.
  89. Rodriguez, Tony F.; Brundage, Trent J.; Shovoly, Steven Michael, Methods involving maps, imagery, video and steganography.
  90. Rodriguez, Tony F.; Brundage, Trent J.; Shovoly, Steven Michael, Methods involving maps, imagery, video and steganography.
  91. Brunk, Hugh L.; Levy, Kenneth L., Methods, apparatus and programs for generating and utilizing content signatures.
  92. Brunk, Hugh L.; Levy, Kenneth L., Methods, apparatus and programs for generating and utilizing content signatures.
  93. Brunk, Hugh L.; Levy, Kenneth L., Methods, apparatus and programs for generating and utilizing content signatures.
  94. Rhoads, Geoffrey B, Network linking methods and apparatus.
  95. Rodriguez, Tony F.; Brundage, Trent J., Noise influenced watermarking methods and apparatus.
  96. McKinley, Tyler J.; Hein, III, William C.; Rodriguez, Tony F.; Reed, Alastair M.; Rhoads, Geoffrey B., Parallel processing of digital watermarking operations.
  97. Levy, Kenneth L.; Hiatt, R. Stephen; Rhoads, Geoffrey B., Processing audio or video content with multiple watermark layers.
  98. Watson, Stephen, Recovering from de-synchronization attacks against watermarking and fingerprinting.
  99. Watson,Stephen, Recovering from de-synchronization attacks against watermarking and fingerprinting.
  100. Carr, J. Scott; Lofgren, Neil E.; Seder, Phillip Andrew, Steganographic encoding methods and apparatus.
  101. Miller, Marc D.; Levy, Kenneth L.; Rhoads, Geoffrey B., Steganographic systems and methods.
  102. Evans, Douglas B.; Conwell, William Y., Substituting or replacing components in sound based on steganographic encoding.
  103. Davis, Bruce L.; Rodriguez, Tony F.; Rhoads, Geoffrey B., Synchronizing rendering of multimedia content.
  104. Rhoads, Geoffrey B.; Davis, Bruce L.; Hein, III, William C.; Rosenthol, Joshua A.; MacIntosh, Brian T.; Levy, Kenneth L., System for linking from objects to remote resources.
  105. Ramos, Daniel O.; MacIntosh, Brian T.; Rhoads, Geoffrey B., System for managing display and retrieval of image content on a network with image identification and linking to network content.
  106. Ramos, Daniel O.; Jones, Kevin C.; Rhoads, Geoffrey B., Systems and methods for processing content objects.
  107. Jones, Robert L.; Kenen, Leo M., Three dimensional data storage.
  108. Levy, Kenneth L.; Perry, Burt W., Watermark and fingerprint systems for media.
  109. Davidson, Clayton L.; Kumar, Aruna B., Watermark decoding from streaming media.
  110. Rhoads, Geoffrey B., Watermark embedder and reader.
  111. Levy, Kenneth L., Watermark embedding functions adapted for transmission channels.
  112. Sharma, Ravi K., Watermark synchronization signals conveying payload data.
  113. Sharma, Ravi K.; Alattar, Adnan M.; Ahmed, Farid; Rhoads, Geoffrey B., Wavelet domain watermarks.
  114. Rhoads, Geoffrey B.; Rodriguez, Tony F., Wireless mobile phone methods.
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