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Article | REF: E4151 V1

Towards digital Fourier optics - From the Fourier’s space to the imagery

Authors: Christophe LABBÉ, Benoît PLANCOULAINE

Publication date: January 10, 2019, Review date: September 21, 2022

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2. Analog optics applications

2.1 Single-exposure analog application

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2.1.1 Principle of filtering in the Fourier plane

According to figure 4 , the selection of particular spatial frequencies in the Fourier plane enables "hidden" information from the initial object to appear in the image plane. This selection is carried out using filters,...

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