2016_Imaging for Physicists

Impact on geometrical accuracy

Interpretation of the effect of disturbances:

(

) ( Φ= mnzyx , , , ,

) mnzyx , , , ,

distorted

Φ

1 1 1

Group x-terms for distortions in read-out direction:

) , ,(

) , ,(

tnGx tnzyx B tnzyxB tn xG x ∆ =∆

γ

∆+∆ γ

∆+∆ γ

γ

0

1

x

G

x

and solve for x 1

zyx B ) , ,(

G zyxB x x x ) , ,( ∆

∆ +=

+

0

1

G

G

x

x