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1. Geometrical transformation T
•
Rigid
-
no deformation
- only translations and rotations are allowed
(
3 rotations, 3 translations
→
(max) 6 independent parameters
)
Image 1
•
Affine
- shearing, stretching
(3 rotations, 3 translations, 3 stretches, 3 shears
→
(max) 12 parameters)