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Journal of the Optical Society of America

Journal of the Optical Society of America

  • Vol. 73, Iss. 4 — Apr. 1, 1983
  • pp: 466–472

Effect of sample displacement in time-sequential sampling of spatiotemporal signals

J. P. Allebach  »View Author Affiliations


JOSA, Vol. 73, Issue 4, pp. 466-472 (1983)
http://dx.doi.org/10.1364/JOSA.73.000466


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Abstract

Algorithms for digitally processing sampled spatiotemporal signals typically ignore the fact that those samples were obtained time-sequentially, rather than instantaneously, at the beginning of each frame period The effect of displacing time-sequentially obtained samples to a non-time-sequential lattice is analyzed for both deterministic and nondeterministic signals Sample displacement is shown to cause unavoidable frequency-domain aliasing The resulting artifacts are compared in test signals that have been sampled with a lexicographic and bit-reversed ordering of the sample points

© 1983 Optical Society of America

Citation
J. P. Allebach, "Effect of sample displacement in time-sequential sampling of spatiotemporal signals," J. Opt. Soc. Am. 73, 466-472 (1983)
http://www.opticsinfobase.org/josa/abstract.cfm?URI=josa-73-4-466

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