| HAL : hal-00081211, version 1 |
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| Applied Optics 35 (26) (1996) 5267-5274 |
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| Implementation of arbitrary real-valued correlation filters for the shadow-casting incoherent correlator |
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| Vincent Laude 1Pierre Chavel 2 |
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| (1996) |
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| We describe an incoherent correlator, based on the shadow-casting principle, that is able to implement any real-valued linear correlation filter. The correlation filter and the input image are displayed on commercial liquid-crystal television ~LCTV! panels. Although it cannot handle high-resolution images, the incoherent correlator is lensless, compact, low cost, and uses a white-light source. A bipolar technique is devised to represent any linear filter, computed from a single reference image or composite, in the correlator. We demonstrate experimentally the efficiency of the design in the case of optimal trade-off ~OT! filters and optimal trade-off synthetic discriminant function ~OT-SDF! filters |
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| 1 : | Thomson-CSF Laboratoire Central de Recherches |
| Thomson | |
| 2 : | Laboratoire Charles Fabry de l'Institut d'Optique (LCFIO) |
| Institut d'Optique Graduate School (IOGS) – CNRS : UMR8501 – Université Paris XI - Paris Sud | |
| 3 : | Institut FRESNEL (IF) |
| CNRS : UMR6133 – Université de Provence - Aix-Marseille I – Université Paul Cézanne - Aix-Marseille III – Ecole Centrale de Marseille | |
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| lcf-scop |
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| Domaine | : | Informatique/Recherche d'information |
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| Liste des fichiers attachés à ce document : | |||||
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| hal-00081211, version 1 | |
| http://hal.archives-ouvertes.fr/hal-00081211 | |
| oai:hal.archives-ouvertes.fr:hal-00081211 | |
| Contributeur : Muriel Roche | |
| Soumis le : Vendredi 6 Avril 2012, 15:31:59 | |
| Dernière modification le : Samedi 7 Avril 2012, 09:02:43 | |