Searching for authors named "Charles Osborne" – sorted by Relevance.

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3 documents found, showing 1 through 3.

Algebraic Construction of a New Class of Quasi-Orthogonal Arrays in Steganography
by Ron van Schyndel, Andrew Tirkel, Imants Svalbe, Tom Hall, Charles Osborne, Charles F — 1999 — in Steganography”, SPIE Electronic Imaging 1999, Vol 3657
…Watermark recovery is often based on cross-correlating images with pseudo-noise sequences, as access to un-watermarked originals is not required. Successful recovery of these watermarks is determined by the (periodic or aperiodic) sequence auto- and cross-correlation properties. This paper presents …
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Image Watermarking - A Spread Spectrum Application
by Anatol Z. Tirkel, Anatol. Z. Tirkel (senior Member, Charles F Osborne — 1996 — In Proc. IEEE Int. Symposium on Spread Spectrum Techniques and Applications
…This paper discusses the feasibility of coding a robust, undetectable, digital water mark on a standard 512*512 intensity image with an 24 bit RGB format. The watermark is capable of carrying such information as authentication or authorisation codes, or a legend essential for image interpretation. T…
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Spread-Spectrum Digital Watermarking Concepts and Higher Dimensional Array Constructions
by Ron Van Schyndel, Andrew Z. Tirkel, Imants D. Svalbe, Thomas E. Hall, Charles F. Osborne
…The use of digital multimedia for profit is pressing for the development of a robust and indelible method of protecting the intellectual property rights of the content creators. The fields of digital watermarking and steganography have exploded over the last few years as a potentially viable techniq…
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