Quantum limits in image processing

V. Delaubert; N. Treps; C. Fabre; H. A. Bachor; P. Réfrégier

doi:10.1209/0295-5075/81/44001

Quantum limits in image processing

V. Delaubert^*, N. Treps, C. Fabre, H. A. Bachor, P. Réfrégier

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

47 Citations (Scopus)

Abstract

We determine the limit to the maximum achievable sensitivity in the estimation of a scalar parameter from the information contained in an optical image in the presence of quantum noise. This limit, based on the Cramer-Rao bound and valid for any image processing protocol, is calculated for a shot noise limited image, for a locally squeezed light, and for a single-mode squeezed light in a well-defined "noise mode". In addition, we exhibit an image processing protocol that allows us to reach the limits in the different cases.

Original language	English
Article number	44001
Journal	Europhysics Letters
Volume	81
Issue number	4
DOIs	https://doi.org/10.1209/0295-5075/81/44001
Publication status	Published - 1 Feb 2008

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Quantum limits in image processing

Abstract

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