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US 9,852,527 B2Granted
Apparatus and method for denoising CT images
AssigneeSnu R&Db Foundation
InventorJong Hyo Kim
Life of this patent
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Abstract
Provided is a denoising method including: generating a synthetic sinogram from an input original CT image; acquiring a noise component from the generated synthetic sinogram; generating a noise component CT image based on the noise component; and reducing noise in the original CT image based on the noise component CT image.
Claims20
A method for denoising a CT image, comprising:
- generating a synthetic sinogram from an input original CT image;
- acquiring a noise component synthetic sinogram from the generated synthetic sinogram;
- generating a noise component CT image based on the noise component synthetic sinogram;
- and
- reducing noise in the original CT image based on the noise component CT image.
2 more elements
An apparatus for denoising a CT image, comprising:
- a synthetic sinogram generation unit configured to generate a synthetic sinogram from an input original CT image;
- a noise component acquisition unit configured to acquire a noise component synthetic sinogram from the generated synthetic sinogram;
- a noise component CT image generation unit configured to generate a noise component CT image based on the noise component synthetic sinogram;
- and
- a denoising unit configured to reduce noise in the original CT image based on the noise component CT image.
2 more elements
Dependencies are inferred from the claim text.