Image analysis – Image enhancement or restoration – Intensity – brightness – contrast – or shading correction
Reexamination Certificate
2008-05-06
2008-05-06
Kassa, Yosef (Department: 2624)
Image analysis
Image enhancement or restoration
Intensity, brightness, contrast, or shading correction
C382S260000, C382S275000, C358S003260, C358S003270, C358S463000, C345S616000
Reexamination Certificate
active
07369712
ABSTRACT:
A method automatically corrects dust artifact within images acquired by a system including a digital acquisition device including a lens assembly. Multiple original digital images are acquired with the digital acquisition device. Probabilities that certain pixels correspond to dust artifact regions within the images are determined based at least in part on a comparison of suspected dust artifact regions within two or more of the images. Probable dust artifact regions are associated with extracted parameter values relating to the lens assembly when the images were acquired. A statistical dust map is formed including mapped dust regions based on the determining and associating. Pixels corresponding to correlated dust artifact regions are corrected within further digitally-acquired images based on the associated statistical dust map.
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Patent Abstract of Japan, publication No. 2000050062, Image Input Device, publication date Feb. 18, 2000, 1 page.
Bigioi Petronel
Buzuloiu Vasile
Corcoran Peter
Prilutsky Yury
Steinberg Eran
FotoNation Vision Limited
Jackson & Co., LLP
Kassa Yosef
Smith Andrew V.
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