Generalized Interpolation: Higher Quality at no Additional Cost

  title={Generalized Interpolation: Higher Quality at no Additional Cost},
  author={Thierry Blu and Philippe Th{\'e}venaz and Michael Unser},
| We extend the classical interpolation method to generalized interpolation. This extension is done by replacing the interpolating function by a non-interpolating function that is applied to preeltered data, in order to preserve the interpolation condition. We show, both theoretically and practically, that this approach performs much better than classical methods, for the same computational cost. 
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