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US 2007/0165928 A1Published application
Lumen tracking in computed tomographic images
AssigneeThe General Hospital Corporation
InventorsHiroyuki Yoshida, Janne Nappi, Michael Zalis, Wenli Cai
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Abstract
A lumen tracking method and system automatically extracts a colon from CT image data by locating landmarks in the image data, based on known anatomic features or other predictable features. If the colon is segmented, the method and system may use the landmarks to evaluate candidate segments for inclusion in the extracted colon.
Claims7
A method for extracting a colon from computed tomographic image data, the method comprising:
- identifying a lumenic structure in the image data, such that the lumenic structure includes a landmark that represents an identified portion of the colon;
- testing at least one lumenic structure that does not include a landmark that represents an identified portion of the colon for appropriateness to be appended to the identified lumenic structure;
- and
- if the tested lumenic structure is appropriate, appending the tested lumenic structure to the identified structure.
1 more element
Dependencies are inferred from the claim text.