Shape Preserving Interpolation Using Rational Cubic Ball Function and Its Application in Image Interpolation

Table 7

Computation time.

Method/images	Boat	Cameraman	Nuvola	Lena	Thumb print
Bicubic spline interpolation	0.6340	0.5273	0.5492	0.5278	0.2245
The proposed method	0.6268	0.5148	0.5389	0.5054	0.2113