Quantum limits in image processing

Details Quantum limits in image processing Quantum limits in image processing

2006-09-25

arxiv.org/abs/quant-ph/0609188v1

Physics

Quantum Physics

4 pages, two figures

Scientific paper

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.

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