Image analysis – Pattern recognition – Template matching
Reexamination Certificate
2011-07-05
2011-07-05
Perungavoor, Sath V (Department: 2624)
Image analysis
Pattern recognition
Template matching
C706S012000, C382S159000, C382S224000
Reexamination Certificate
active
07974475
ABSTRACT:
This invention relates generally to a system and method for correlating two images for the purpose of identifying a target in an image where templates are provided a priori only for the target. Information on other objects in the image being searched may be unavailable or difficult to obtain. This invention treats the design of target matching-templates and target matched-filters for image correlation as a statistical pattern recognition problem. By minimizing a suitable criterion, a target matching-template or a target matched-filter is estimated which approximates the optimal Bayes discriminant function in a least-squares sense. Both Bayesian image correlation methods identify the target with minimum probability of error while requiring no prior knowledge of other objects in the image being searched. The system and method is adaptive in that it can be re-optimizing (adapted) to recognize the target in a new search image using only information from the new image.
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