Image analysis – Color image processing – Pattern recognition or classification using color
Reexamination Certificate
2006-10-31
2006-10-31
Wu, Jingge (Department: 2627)
Image analysis
Color image processing
Pattern recognition or classification using color
C382S162000, C382S219000, C358S518000, C345S691000
Reexamination Certificate
active
07130461
ABSTRACT:
A method for choosing visual characteristics of a characteristic space within a region includes calculating a mean characteristic of the region, determining a covariance of the region, inverting the covariance to produce an inverse covariance, estimating a target characteristic, determining a difference between the mean characteristic and the target characteristic transposing the difference to produce a difference transpose, determining a saliency from a product of the difference transpose multiplied by the inverse covariance multiplied by the difference, comparing the saliency to an acceptance criterion to yield one of an acceptance if the saliency satisfies the acceptance criterion and a rejection otherwise, adjusting the target characteristic and repeating the determining a difference, transposing the difference, determining a saliency and comparing the saliency steps if the comparing yields the rejection, and outputting the target characteristic if the comparing yields the acceptance.
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Bayat Ali
Oliff & Berridg,e PLC
Xerox Corporation
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