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Quantum limits in image processing

Authors: Nicolas Treps; V. Delaubert; V. Delaubert; Hans-A. Bachor; Philippe Réfrégier; Claude Fabre;

Quantum limits in image processing

Abstract

We determine the bound 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, is valid for any image processing protocol. It is calculated both in the case of a shot noise limited image and of a non-classical illumination. We also give practical experimental implementations allowing us to reach this absolute limit.

4 pages, two figures

Countries
France, Australia
Keywords

Quantum Physics, [SPI.OPTI] Engineering Sciences [physics]/Optics / Photonic, [INFO.INFO-TS] Computer Science [cs]/Signal and Image Processing, quantum noise, FOS: Physical sciences, Imaging and optical processing, and quantum jumps, Quantum fluctuations, Nonclassical field states, Quantum Physics (quant-ph), [PHYS.QPHY] Physics [physics]/Quantum Physics [quant-ph], [SPI.SIGNAL] Engineering Sciences [physics]/Signal and Image processing

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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
50
Top 10%
Top 10%
Top 10%
Green
bronze
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