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Communication Dans Un Congrès Année : 2017

Evaluation of refocus criteria for holographic particle imaging

Résumé

This paper proposes a quality assessment of focusing criteria for imaging in digital off-axis holography. In literature, several refocus criteria have been proposed in the past to get the best refocus distance in digital holography. As a general rule, the best focusing plane is determined by the reconstruction distance for which the criterion function presents a maximum or a minimum. To evaluate the robustness of these criteria, a set of thirteen criteria is compared with application on both amplitude and phase images from off-axis holographic data. Experimental results lead to define general rule and to exhibit the most robust criteria for accurate and rapid refocusing in digital holography.
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Dates et versions

hal-02403073 , version 1 (10-12-2019)

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Citer

Pascal Picart, Soumaya Kara Mohammed, Larbi Bouamama, Derradji Bahloul. Evaluation of refocus criteria for holographic particle imaging. SPIE Optical Metrology, SPIE, Jun 2017, Munich, Germany. pp.103290B, ⟨10.1117/12.2271744⟩. ⟨hal-02403073⟩
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