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22 September 1997 Angular dependence of sampling MTF
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Proceedings Volume 3110, 10th Meeting on Optical Engineering in Israel; (1997)
Event: 10th Meeting on Optical Engineering in Israel, 1997, Jerusalem, Israel
Sampling MTF defined in Park, Hock, and de Luca, as an x and y sampling, can be generalized for image data not along x and y directions. For a given sampling lattice (such as in a laser printer, a scene projector, or a focal plane array), we construct a two-dimensional sampling MTF based on the distance between nearest samples in each direction. Because the intersample distance depends on direction, the sampling MTF will be best in the directions of highest spatial sampling, and poorer in the directions of sparse sampling. We compare hexagonal and rectangular lattices in terms of their equivalent spatial frequency bandwidth. We filter images as demonstration of the angular-dependent two-dimensional sampling MTF.
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Ofer Hadar, Aristide C. Dogariu, and Glenn D. Boreman "Angular dependence of sampling MTF", Proc. SPIE 3110, 10th Meeting on Optical Engineering in Israel, (22 September 1997);

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