Target Volume Determination 2015

1. Geometrical transformation T

• Rigid

Image 1

- no deformation - only translations and rotations are allowed ( 3 rotations, 3 translations → (max) 6 independent parameters )

• Affine

- shearing, stretching (3 rotations, 3 translations, 3 stretches, 3 shears → (max) 12 parameters)