Recent Patents in Signal Processing (December 2013) - Watermarking

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Recent Patents in Signal Processing (December 2013) - Watermarking

For our December 2013 issue, we return to the topic of watermarking. We had last covered recent patents in the area of watermarking in November 2011. Below, we consider several recent inventions in which specific information is embedded in a wide variety of media: images, video, audio, and even computer programs.

Number: US 8,589,148
Title: Natural language watermarking
Inventors: M. Atallah, S. Bangalore, D. Hakkani-Tur, G. Riccardi, M. Topkara and U. Topkara
Issued: November 19, 2013
Assignee: AT&T Intellectual Property II, L.P. (Atlanta, GA)
Purdue Research Foundation (West Lafayette, IN)

Number: US 8,588,462
Title:  Video watermarking with fast detection
Inventors: J.Moorer
Issued: November 19, 2013
Assignee:  Adobe Systems Incorporated (San Jose, CA)

Number: US 8,565,473
Title:  Noise influenced watermarking methods and apparatus
Inventors: T. Rodriguez, R. Brundage
Issued: October 22, 2013
Assignee:  Digimarc Corporation (Beaverton, OR)

Number: US 8,553,881
Title:  Composite masking system and method for improving invisibility of high-definition video watermarking
Inventors: H. K. Lee, T. W. Oh, K. S. Kim, J. W. Lee, H. D. Kim.
Issued:October 8, 2013
Assignee:  Korea Advanced Institute of Science and Technology (KAIST) (Daejeon, Korea)

Number: US 8,489,883
Title:  Virtual world embedded security watermarking
Inventors: R. Dettinger, L. Do, F. Kulack, K. Paterson
Issued: July 16, 2013
Assignee:  International Business Machines Corporation (Armonk, NY)

Number: US 8,488,900
Title:  Identifying and redressing shadows in connection with digital watermarking and fingerprinting
Inventors: W. Conwell
Issued: July 16, 2013
Assignee:  Digimarc Corporation (Beaverton, OR)

Number: US 8,477,991
Title:  Method for watermarking free view video with blind watermark detection
Inventors: G. Doerr, S. Baudry, J. Franco-Contreras
Issued: July 2, 2013
Assignee:  Thomson Licensing (Issy-les-Moulineaux, France)

Number: US 8,458,476
Title:  Watermarking computer program code
Inventors: B. Johansson
Issued: June 4, 2013
Assignee:  Telefonaktiebolaget L M Ericsson (Publ) (Stockholm, Sweden)

Number: US 8,369,562
Title:  Encryption methods for patterned media watermarking
Inventors: T. Albrecht, Z. Bandic, J. Campello de Souza
Issued: February 5, 2013
Assignee:  Hitachi Global Storage Technologies (Amsterdam, The Netherlands).

Number: US 8,355,910
Title:  Methods and apparatus for audio watermarking a substantially silent media content presentation
Inventors: F. McMillan, I. Kilian, J. Stephen
Issued: January 15, 2013
Assignee:  The Nielsen Company (US), LLC (Schaumburg, IL).

If you have an interesting patent to share when we next feature patents related to watermarking, or if you are especially interested in a signal processing research field that you would want to be highlighted in this section, please send email to Shantanu Rane (rane AT merl DOT com).

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