Patent
Digital watermarking and fingerprinting including symchronization, layering, version control, and compressed embedding
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TLDR
In this article, the authors describe several video watermarking and fingerprinting enhancements, such as synchronizing watermark detectors with one-dimensional calibration signals, layering digital watermarks, watermarks for version control, compressed domain watermark, watermark of video object layers, key channel watermark embedding for video, robust fingerprinting of video, and scalable video.Abstract:
This disclosure describes several video watermarking and fingerprinting enhancements. These enhancements include synchronizing watermark detectors with one-dimensional calibration signals, layering digital watermarks, watermarks for version control, compressed domain watermarking, watermarking of video object layers, key channel watermark embedding for video, robust fingerprinting of video and watermarking of scalable video.read more
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Patent
Computer system linked by using information in data objects
TL;DR: In this paper, various improvements to steganographic systems, and applications, are disclosed, such as facilitating scale and rotation registration, improving robustness, and representing data by patterned bit cells whose energy in the spatial domain facilitates decoding registration.
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Steganographic techniques for securely delivering electronic digital rights management control information over insecure communication channels
David M. Van Wie,Robert P. Weber +1 more
TL;DR: In this paper, the authors used steganographic techniques to encode a rights management control signal onto an information signal carried over an insecure communications channel, which can provide end-to-end rights management protection of information signal irrespective of transformations between analog and digital.
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Electronic document verification system and method
Peter B. Houser,James M. Adler +1 more
TL;DR: In this article, the signator of an electronic document can be verified by embedding a security object, for example, supported by an object linking and embedding (OLE) capability, in the electronic document at a location selected by the signators.
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Steganography methods employing embedded calibration data
TL;DR: In this article, an identification code signal is impressed on a carrier to be identified (such as an electronic data signal or a physical medium) in a manner that permits the identification signal later to be discerned and the carrier thereby identified.
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System for controlling the distribution and use of rendered digital works through watermarking
TL;DR: A trusted rendering system as mentioned in this paper facilitates the protection of rendered digital works which have been rendered on a system which controls the distribution and use of digital works through the use of dynamically generated watermark information that is embedded in the rendered output.