Image processing using embedded registration data to determine and compensate for geometric transformation
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United States of America Patent
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Aug 14, 2012
Grant Date -
Dec 30, 2004
app pub date -
Mar 9, 2004
filing date -
Apr 25, 1996
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Registration data embedded in an image is used to determine and compensate for geometric transformation of the image. The registration data may include frequency domain features of the image that are used to compute the rotation and/or scaling of the image. The registration method may be used in conjunction with digital watermarking and other signal processing applications.
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