Statistical Limits to Super Resolution

Details Statistical Limits to Super Resolution Statistical Limits to Super Resolution

Aug 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992a%26a...261..706l&link_type=abstract

Astronomy and Astrophysics, Vol.261, NO. 2/AUGI, P. 706, 1992

Astronomy and Astrophysics

Astrophysics

12

Image Processing

Scientific paper

The limits imposed by photon statistics on the degree to which Rayleigh's resolution limit for diffraction-limited images can be surpassed by applying image restoration techniques are investigated. An approximate statistical theory is given for the number of detected photons required in the image of an unresolved pair of equal point sources in order that its information content allows in principle resolution by restoration. This theory is confirmed by numerical restoration experiments on synthetic images, and quantitative limits are presented for restoration of diffraction-limited images formed by slit and circular apertures.

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