Perceptual modeling of media signals for data hiding

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 7822226
APP PUB NO 20090207920A1
SERIAL NO

12360549

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The present invention relates generally to embedding auxiliary data and data hiding. One claim recites a method including: calculating with a processor or electronic circuitry characteristics of a media signal comprising audio or video; based at least in part on calculated characteristics of the media signal, providing a map of the media signal, wherein the map identifies at least one portion of the media signal in which plural-bit data should be steganographically encoded; transforming at least some portions of the media signal into a transform domain; and steganographically encoding with a processor or electronic circuitry auxiliary data in data representing at least the one portion of the media signal in which the plural-bit data should be steganographically encoded, and wherein at least said act of transforming or said act of steganographically encoding utilizes the map of the media signal. Other claims and combinations are also provided.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
DIGIMARC CORPORATIONBEAVERTON, OR900

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bradley, Brett Alan Portland, US 15 533
Hannigan, Brett T Philadelphia, US 67 3856
Reed, Alastair M Lake Oswego, US 116 3355

Cited Art Landscape

Patent Info (Count) # Cites Year
 
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SONY CORPORATION (1)
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SAMSUNG ELECTRONICS CO., LTD. (1)
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MASSACHUSETTS INSTITUTE OF TECHNOLOGY (3)
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MEYER, JOSSLYN M (1)
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NEC CORPORATION (4)
5848155 Spread spectrum watermark for embedded signalling 377 1996
6282300 Rotation, scale, and translation resilient public watermarking for images using a log-polar fourier transform 151 2000
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APPLE INC. (2)
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REGENTS OF THE UNIVERSITY OF MINNESOTA (4)
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CHANYU HOLDINGS, LLC (1)
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DIGIMARC CORPORATION (14)
5636292 Steganography methods employing embedded calibration data 711 1995
5748763 Image steganography system featuring perceptually adaptive and globally scalable signal embedding 357 1995
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VERANCE CORPORATION (3)
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* Cited By Examiner

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
DIGIMARC CORPORATION (4)
8213674 Perceptual modeling of media signals for data hiding 1 2010
8488900 Identifying and redressing shadows in connection with digital watermarking and fingerprinting 5 2011
8983118 Determining proximity of a mobile device to a subject based on shadow analysis 1 2013
9336599 Determining proximity of a mobile device to a subject based on shadow analysis 0 2015
* Cited By Examiner

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