2017 Imaging for Physicists Coursebook

Impact on geometrical accuracy

Interpretation of the effect of disturbances:



  mnzyx , , , , 

 mnzyx , , , ,

distorted



1 1 1

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

n xG 

tnGx tnzyx B tnzyxB t 







(

) , ,

 

), ,(

 

x

G

x

0

1

x

and solve for x 1

x B

zy

G zyxB ) , ,( 

) , ,(

 

0

x x



x

1

G

G

x

x