| Resampling filters |
| What does the 2D version of
this hat function look like? |
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| performs |
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| linear
interpolation |
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| (tent
function) performs |
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| bilinear
interpolation |
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| Often implemented
without cross-correlation |
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| • | E.g., http://en.wikipedia.org/wiki/Bilinear_interpolation |
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| Better filters
give better resampled images |
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| • | Bicubic is common
choice |
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| – | fit 3rd
degree polynomial surface to pixels in neighborhood |
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