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Comments on "Two-dimensional interpolation by generalized spline filters based on partial differential equation image models"

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2 Author(s)
Karayiannis, N.B. ; University of Toronto, Toronto, Ont., Canada ; Venetsanopoulos, A.N.

The generalized spline formula corresponding to the separable semicausal Partial Differential Equation (PDE) image model is given in its correct form. In addition, the correct formula for the second-order B-spline is derived. Finally, it is shown that there is no reason to consider separable PDE image models only, at least when describing the concept of generalized splines.

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Acoustics, Speech and Signal Processing, IEEE Transactions on  (Volume:35 ,  Issue: 12 )