Compensation of computed tomography data for objects...

Details Compensation of computed tomography data for objects... Compensation of computed tomography data for objects...

H - Electricity

05

G

358/11.2

H05G 1/64 (2006.01) G06T 11/00 (2006.01)

Patent

CA 2010135

15-CT-3209 Abstract of the Disclosure An x-ray CT system acquires attenuation data over a field of view which is larger than the field of view of the reconstructed image. The data used to reconstruct the image is compensated for the shading effects otherwise caused by objects outside the image, but within the x-ray path. This compensation is accomplished with minimal impact on computation time by using a first order estimation of the convolution of the acquired attenuation data outside the image field of view.

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