Lung field segmentation from CT thoracic images
First Claim
Patent Images
1. A method of segmenting a volume from a series of digital images comprising the steps of:
- forming an image volume from the series of digital images;
presegmenting the image volume to identify a body region; and
segmenting further the body region into anatomical volumes.
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Abstract
A method and system of volume segmentation is disclosed. To address throughput and accuracy issues, the segmentation is divided into two stages: presegmentation and detailed segmentation. In presegmentation, a digital image volume is segmented into different anatomical structures. In the detailed segmentation, additional processing over a limited range is performed. The result of the volume segmentation is a volume in which segmented regions of interest, such as nodules, are labeled or identified.
74 Citations
44 Claims
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1. A method of segmenting a volume from a series of digital images comprising the steps of:
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forming an image volume from the series of digital images;
presegmenting the image volume to identify a body region; and
segmenting further the body region into anatomical volumes. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 40, 43)
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35. A computer system including software for segmenting anatomical information in a series of computer digital images of the lung comprising:
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logic code for forming an image volume from the series of digital images;
logic code for presegmenting the image volume to identify a body region; and
logic code for segmenting the body region into anatomical volumes. - View Dependent Claims (36, 37, 38, 39)
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41. A method of segmenting information to identify organ nodules comprising the steps of:
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forming from the digital images a series of reduced resolution images;
processing the reduced resolution images to identify a reduced resolution body region and a reduced resolution background region;
using the identification of the reduced resolution body region and the reduced resolution background region to identify a body region and a background region in the digital images;
processing the digital images to identify the organ boundary; and
processing the digital images to identify organ nodules. - View Dependent Claims (42, 44)
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Specification