Abstract
We present a comprehensive study of the effect of detector sampling on wavefront-coded systems. Two important results are obtained: the spurious response ratios are reduced in wavefront-coded systems with a cubic phase mask and detector sampling does not compromise the restoration of wavefront-coded images with extended depth of field. Rigorous computer simulation of sampled wavefront-coded images shows an increased signal-to-aliased-noise ratio of up to 16% for a cubic phase mask with a 5?. © 2009 IOP Publishing Ltd.
| Original language | English |
|---|---|
| Article number | 054002 |
| Journal | Journal of Optics A: Pure and Applied Optics |
| Volume | 11 |
| Issue number | 5 |
| DOIs | |
| Publication status | Published - 2009 |
Keywords
- Aliasing
- Detector sampling
- Digital image processing
- Wavefront coding
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