Image analysis – Image transformation or preprocessing – Combining image portions
Reexamination Certificate
2008-01-08
2008-01-08
Desire, Gregory M (Department: 2624)
Image analysis
Image transformation or preprocessing
Combining image portions
C382S103000, C382S274000, C382S294000
Reexamination Certificate
active
07317844
ABSTRACT:
Method for tonally balancing a image mosaic includes supplying the image mosaic which has multiple overlap regions; identifying in the overlap regions a set of corresponding points that correspond to a single location and are indicative of a tonal variation; establishing a tonal variation threshold; eliminating from the overlap regions a subset of corresponding points, the subset having tonal variation deviating from the tonal variation threshold; repeating the eliminating until substantially all subsets have been eliminated, producing adjusted overlap regions that include a set of remaining corresponding points; obtaining gains and biases for each spectral band in the adjusted overlap regions; applying the gains and biases to transform intensities of the set of remaining corresponding points, producing transformed corresponding points; and producing a tonally balanced image mosaic using the transformed corresponding points.
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Chetlin Susan E.
Dahl Bruce E.
Desire Gregory M
Orbimage Si Opco, Inc.
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