Tree-Based Resolution Synthesis

  title={Tree-Based Resolution Synthesis},
  author={Clayton Brian Atkins and Charles A. Bouman and Jan P. Allebach},
In this paper, we present an approach to optimal image scaling called Tree-Based Resolution synthesis (TBRS). TBRS works by first performing a fast local classification of a window around the pixel being interpolated, and then by applying an interpolation filter designed for the selected class. The idea behind TBRS is to use a regression tree as a piecewise linear approximation to the conditional mean estimator of the high-resolution image given the lowresolution image. We generate the… CONTINUE READING
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