Systems, methods and apparatus for incrementally reconstructing overlapped images in a CT system implementing a helical scan
First Claim
Patent Images
1. A system for producing incremental tomographic images of an object from projection data acquired in a helical scan, said tomographic image system configured to:
- (a) create base image data arrays from the projection data; and
(b) generate overlapped image data, utilizing an interpolation algorithm, from the data in the base image data arrays.
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Abstract
The present invention, in one form, is a system for producing incremental tomographic images of an object from projection data acquired in a helical scan. The system creates base image data arrays from the projection data. An interpolation algorithm is then applied to the base image data arrays to generate overlapped, or incremental, tomographic images.
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Citations
18 Claims
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1. A system for producing incremental tomographic images of an object from projection data acquired in a helical scan, said tomographic image system configured to:
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(a) create base image data arrays from the projection data; and (b) generate overlapped image data, utilizing an interpolation algorithm, from the data in the base image data arrays. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A method for producing a tomographic image of an object from projection data acquired in a helical scan, said method comprising the steps of:
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(a) creating base image data arrays from the projection data; and (b) generating overlapped images, utilizing an interpolation algorithm, from the data in the base image data arrays. - View Dependent Claims (8, 9, 10, 11, 12, 13)
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14. A computed tomography apparatus, comprising:
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a gantry having an x-ray source and a detector; a data acquisition system coupled to the detector; and a computer coupled to the data acquisition system, the computer configured to identify, for an object of interest, locations of base images, create base image data arrays for the identified locations, and generate overlapped images, utilizing an interpolation algorithm, from data stored in the base image data arrays. - View Dependent Claims (15, 16, 17, 18)
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Specification