Image analysis – Applications – Biomedical applications
Reexamination Certificate
2005-07-19
2005-07-19
Patel, Kanjibhai (Department: 2625)
Image analysis
Applications
Biomedical applications
C345S604000
Reexamination Certificate
active
06920239
ABSTRACT:
A method and apparatus for automated cell analysis of biological specimens automatically scans at a low magnification to acquire images which are analyzed to determine candidate cell objects of interest. The low magnification images are converted from a first color space to a second color space. The color space converted image is then low pass filtered and compared to a threshold to remove artifacts and background objects from the candidate object of interest pixels of the color converted image. The candidate object of interest pixels are morphologically processed to group candidate object of interest pixels together into groups which are compared to blob parameters to identify candidate objects of interest which correspond to cells or other structures relevant to medical diagnosis of the biological specimen. The location coordinates of the objects of interest are stored and additional images of the candidate cell objects are acquired at high magnification. The high magnification images are analyzed in the same manner as the low magnification images to confirm the candidate objects of interest which are objects of interest. A high magnification image of each confirmed object of interest is stored for later review and evaluation by a pathologist.
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Douglass James W.
Riding Thomas J.
Ring James E.
ChromaVision Medical Systems, Inc.
Patel Kanjibhai
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