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Non-square Matrix for 3D Recon

If you perfrom a 3D reconstruction of your spiral scan

you have the possibility to choose between three dif-

ferent FoV matrices: 512 square, 512 non-square, 256

non-square. In some cases it is already saved to the

scan protocol (Spine, CarotidAngio) set up a new scan

protocol or want to modify an existing one you can

save the non-square matrix together with the recon

parameters.

• 512 square: the FoV stays quadratic with a 512x512

matrix size.

• 512 non-square: the FoV can be adjusted as a rectan-

gle to your needs, for example spine reconstruction.

Its max. side ratio is 1:4.

• 256 non-square: the FoV can be adjusted as a rectan-

gle to your needs but with a lower matrix size and a

lower resolution for example RunOff , Cardiac recon-

structions. The maximum side ratio is then 1:8.

If you use the non-square matrix and you extend the

side length of your FoV more then the max. ratio then

the shorter side will be stretched to fit into the ratio

again.

You will find the FoV displayed in the image text for the

non-square matrix. It will be displayed like this: FoV X

x FoV Y.

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