Previous Page  55 / 1245 Next Page
Information
Show Menu
Previous Page 55 / 1245 Next Page
Page Background

Siddon’s raytracing algorithm

03/01/13

Siddon, Med Phys 12:252, 1985

X

1

X

2

X

N

Y

1

Y

2

Y

N

.

.

.

from A to B

( ) = + −

= + −

= ( − )

2

+( − )

2

=

1

+ − 1

=

1

+ − 1

,

= ( − )/( − )

,

= ( − )/( − )

=

,

=

1

෍ ( −

−1

)

,

, ( )

Point A:

a

=0

Point B:

a

=1