Methods for detection and characterization of atypical vessels in cervical imagery
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United States of America Patent
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Jan 3, 2012
Grant Date -
Feb 4, 2010
app pub date -
Aug 1, 2008
filing date -
Aug 1, 2008
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention discloses a method for the detection of atypical vessels in digital cervical imagery. A pre-processing stage is applied to enhance the contrast of blood vessel features compared to the surrounding tissue. Next, a segmentation stage is applied to identify regions of interest for atypical vessels using texture and gradient information. Finally, a post-processing stage (1) identifies other clinically relevant features in the cervical imager, and removes these features from the region of interest; and (2) uses color, size, and shape information to further refine the region of interest to eliminate false positives and determine a final region of interest. This automated method of atypical vessel detection is especially useful for diagnostic purposes such as cervical cancer detection.
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