Restoration of arbitrary finite-energy optical objects from limited spatial and spectral information
JOSA, Vol. 71, Issue 6, pp. 635-642 (1981)
http://dx.doi.org/10.1364/JOSA.71.000635
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Abstract
The mathematical generalization of image restoration by recursive methods furnished by D. C. Youla [IEEE Trans. Circuits Syst. CAS 25, 695–702 (1978)] is used to show that arbitrary L2 (i.e., square-integrable) images can be reconstructed from two projections without any a priori assumption regarding the mathematical properties of the object, such as space-limitedness or band-limitedness. Recursive algorithms are given to restore images from (1) extended segments and low-pass spectra and (2) short segments and high-pass spectra. Using the alternating projection theorem, we prove monotonic convergence (in the norm) to the original image.
© 1981 Optical Society of America
Citation
H. Stark, D. Cahana, and H. Webb, "Restoration of arbitrary finite-energy optical objects from limited spatial and spectral information," J. Opt. Soc. Am. 71, 635-642 (1981)
http://www.opticsinfobase.org/josa/abstract.cfm?URI=josa-71-6-635
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