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Re: [WM]: Normalized correlation
Normalize each vector to have unit length prior to calculating the linear
correlation. Geometrically, normalized correlation measures the cosine of the
angle between the vectors.
Jeanne Chen wrote:
> Can anyone explain to me what is normalized correlation in watermark?
>
>
--
Dr. Jeffrey A Bloom, Video and Web Informatics
Sarnoff Corporation, 201 Washington Road, CN 3500, Princeton, NJ 08543-5300
Email: jbloom@sarnoff.com http://www.geocities.com/Jeffrey_Bloom
Phone: (609) 734-3287 Fax: (609) 734-2662
----------
Digital Watermarking
Morgan Kaufmann Publishers, 2001
http://www.mkp.com/books_catalog/catalog.asp?ISBN=1-55860-714-5
Purchase from Amazon.com
http://www.amazon.com/exec/obidos/ASIN/1558607145/jeffrebloomsh-20
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