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Journal of the Optical Society of America

Journal of the Optical Society of America

  • Vol. 63, Iss. 12 — Dec. 1, 1973
  • pp: 1578–1583

Point-source position estimation in under-sampled optical systems

S. J. Kishner and T. W. Barnard  »View Author Affiliations


JOSA, Vol. 63, Issue 12, pp. 1578-1583 (1973)
http://dx.doi.org/10.1364/JOSA.63.001578


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Abstract

This paper presents a new technique for measuring the location of point images in an image-sampling system. Primary attention is given to the situation in which the image is under sampled. Such under sampling could be the result of data-storage or bandwidth limitations, and would introduce errors into standard methods of image location. The new technique is valid for under-sampled as well as adequately sampled images, and consists of a linear-filtering procedure of the same complexity required by standard location-measurement techniques. The problem is formulated as one of statistical-estimation theory, the optimum-location procedures being derived for an additive-gaussian-noise environment, and for conditions of known and unknown image irradiance.

Citation
S. J. Kishner and T. W. Barnard, "Point-source position estimation in under-sampled optical systems," J. Opt. Soc. Am. 63, 1578-1583 (1973)
http://www.opticsinfobase.org/josa/abstract.cfm?URI=josa-63-12-1578

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