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US 7,466,790 B2Granted
Systems and methods for improving a resolution of an image
AssigneeGeneral Electric Company
InventorsSrikanth Suryanarayanan, Paul Edgar Licato, Yogisha Mallya, Tara Janen Mahan
Life of this patent
Estimating the term…
Abstract
A method for improving a resolution of an image is provided. The method includes reconstructing an image of an initial portion of an object at an initial resolution, and reconstructing an additional portion of the object at an additional resolution.
Claims20
A method for improving a resolution of an image, said method comprising:
- generating first projection data by performing a first scan of an object and by receiving a display field-of-view of the object, the first projection data including a first resolution;
- generating a second resolution using the first projection data and the first resolution from the first scan;
- generating pre-processed projection data by separately scanning performing a second scan of the object;
- reconstructing an image of a first portion of the object by applying the first resolution from the first scan to a portion of the pre-processed projection data from the second scan that corresponds to the first portion;
- reconstructing an image of a second portion of the object by applying the second resolution generated using the first scan to a portion of the pre-processed projection data from the second scan that corresponds to the second portion;
- and
- displaying a reconstructed image for viewing by a user, the reconstructed image includes the first portion of the object reconstructed at the first resolution and the second portion of the object reconstructed at the second resolution.
4 more elements
A method in accordance with claim I further comprising generating the second resolution based on the first resolution by generating the second resolution lower than the first resolution.
A controller configured to:
- generate first projection data by performing a first scan of an object and by receiving a display field-of-view of the object, the first projection data including a first resolution;
- generate a second resolution using the first projection data and the first resolution from the first scan;
- generate pre-processed projection data by performing a second scan of the object;
- reconstruct an image of the object by applying the first resolution from the first scan to a portion of the pre-processed projection data from the second scan that corresponds to a first portion of the object;
- reconstruct an image of the object by applying the second resolution generated using the first scan to a portion of the pre-processed projection data from the second scan that corresponds to a second portion of the object;
- and
- display a reconstructed image for viewing by a user, the reconstructed image includes the first portion of the object reconstructed at the first resolution and the second portion of the object reconstructed at the second resolution.
4 more elements
An imaging system comprising:
- a source configured to generate a beam;
- a detector array configured to detect the beam;
- and
- a controller configured to:
- generate first projection data by performing a first scan of an object and by receiving a display field-of-view of the object, the first projection data including a first resolution;
- generate a second resolution using the first projection data and the first resolution from the first scan;
- generate pre-processed projection data by performing a second scan of the object;
- reconstruct an image of the object by applying the first resolution from the first scan to a portion of the pre-processed projection data from the second scan that corresponds to a first portion of the object;
- reconstruct an image of the object by applying the second resolution generated using the first scan to a portion of the pre-processed projection data from the second scan that corresponds to a second portion of the object;
- and
- display a reconstructed image for viewing by a user, the reconstructed image includes the first portion of the object reconstructed at the first resolution and the second portion of the object reconstructed at the second resolution.
8 more elements
Dependencies are inferred from the claim text.