Image analysis – Applications – Biomedical applications
Reexamination Certificate
2007-04-10
2007-04-10
Bella, Matthew C. (Department: 2623)
Image analysis
Applications
Biomedical applications
C382S170000, C382S287000, C382S289000, C382S294000
Reexamination Certificate
active
10054437
ABSTRACT:
A method and apparatus for correcting for a distortion in a mammogram. The method comprises classifying pixels as either likely fat or likely not-fat. The method further comprises identifying a candidate distortion and calculating a histogram of the likely fat and the likely not-fat pixels at the candidate distortion. The method further comprises evaluating a quality of the candidate distortion based on features of the histograms of pixel values in the fat and dense tissue classes. The distortion may be a two dimensional tilt of the plates or a three dimensional deformation of the plates as in a bend.
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Karssemeijer Nicolaas
Schneider Alexander Caldwell
Bella Matthew C.
Blakely , Sokoloff, Taylor & Zafman LLP
Choobin Barry
R2 Technology, Inc.
Szepesi Judith A.
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