Space-variant color pattern recognition with a wavelength-compensated Fresnel processor

Jesus Saez Lancis; Gladys Minguez-Vega; J. Caraquitena; Mercedes Fernandez-Alonso; Vicent Climent; Pedro Andres

doi:10.1117/12.525125

19 November 2003 Space-variant color pattern recognition with a wavelength-compensated Fresnel processor

Jesus Saez Lancis, Gladys Minguez-Vega, J. Caraquitena, Mercedes Fernandez-Alonso, Vicent Climent, Pedro Andres

Proceedings Volume 4829, 19th Congress of the International Commission for Optics: Optics for the Quality of Life; (2003) https://doi.org/10.1117/12.525125
Event: 19th Congress of the International Commission for Optics: Optics for the Quality of Life, 2002, Florence, Italy

Abstract

We report on a hybrid (diffractive-refractive) wavelength-independent imaging setup with an intermediate achromatic filtering plane in the Fresnel domain. Therefore, the system acts as a chromatically-compensated Fresnel processor able to perform space-variant color pattern recognition operations in a single step.

Citation Download Citation

Jesus Saez Lancis, Gladys Minguez-Vega, J. Caraquitena, Mercedes Fernandez-Alonso, Vicent Climent, and Pedro Andres "Space-variant color pattern recognition with a wavelength-compensated Fresnel processor", Proc. SPIE 4829, 19th Congress of the International Commission for Optics: Optics for the Quality of Life, (19 November 2003); https://doi.org/10.1117/12.525125

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KEYWORDS

Pattern recognition

Near field diffraction

Colorimetry

Optical filters

Transformers

Diffraction

Image filtering

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