Image analysis – Image enhancement or restoration
Reexamination Certificate
2008-01-01
2008-01-01
Johns, Andrew W. (Department: 2624)
Image analysis
Image enhancement or restoration
C382S263000
Reexamination Certificate
active
07315656
ABSTRACT:
Methods and apparatus for digitally enhancing images are disclosed. In one embodiment, a method includes performing a wavelet transformation process on an acquired image to provide a low pass spatial frequency. A dynamic range and a mixing value are then determined from the low pass spatial frequency, and the mixing value is applied to provide a transformed output image. The transformed output image is then reformatted to provide a mixed output image, and the mixed output image is subtracted from the acquired image to provide an enhanced image. In an alternate embodiment, a method includes analyzing an acquired image to provide a high sensitive low light image and a low sensitive high light image, and then summing the high sensitive low light image and the low sensitive high light image to create an enhanced image.
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European Search Report for Application No. EP04011903, dated Mar. 27, 2006, 5 pages.
Roberts Gregory A.
Thal German Von
Allison Andrae
Johns Andrew W.
Lee & Hayes PLLC
The Boeing Company
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