Warping
Terzopoulos, Witkin and Kass (1988, 1991):
deformation based on set of constraints
“inflating balloon in object”
Algorri and Schmitt (1996):
mass in points, springs between points,
degree 2 LDE, iterative solution
Baader and Hirzinger (1993):
Kohonen feature map, training data is
derived from coordinates of points