Image analysis – Applications – Biomedical applications
Reexamination Certificate
2005-05-17
2005-05-17
Johns, Andrew W. (Department: 2621)
Image analysis
Applications
Biomedical applications
C382S284000
Reexamination Certificate
active
06895106
ABSTRACT:
A method of forming a composite digital image comprising: providing 1-N digital images formed from 1-N contiguous segments of a larger radiographic image recorded in 1-N overlapping storage phosphor screens wherein N is equal to or greater than 2 and wherein the image content in the overlapped region of contiguous images is the same, and the end edge of a screen nearest an x-ray source is present in both contiguous images; selecting a pair of contiguous digital images, wherein one image is closer to said x-ray source than said other image; correcting for any geometric distortion if applicable in said pair of digital images based on the distance between x-ray source and said storage phosphor screen; determining any rotational displacement and any vertical displacement between said pair of digital images by matching said end edge of said one image present in said pair of images correcting for image orientation if applicable based on any said rotational displacement; determining any horizontal displacement between said pair of digital images by correlating the image content in said overlapping regions of said pair of digital images; stitching said pair of digital images together to form a larger composite digital image along said one image edge based on any said horizontal and vertical displacement; and repeating said correcting for any geometric distortion to said stitching with the larger composite image and the next consecutive overlapping digital image until all N digital images are stitched together to form a full composite image.
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Doran James
Foos David H.
Rogers Michael K.
Wang Xiao-hui
Eastman Kodak Company
Johns Andrew W.
Noval William F.
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