19 May 2009 A color retrieval technique using holograms
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We propose a new technique for retrieving color information. The color data taken by a digital camera is transferred to two-dimensional data on the color chart and displayed on a spatial light modulator. This modulation technique is combined with a retrieval technique using a joint transform correlator. The color data, e.g., photograph of a flower, are retrieved by this system, and the same color data (photograph) can be perfectly selected from the many reference data. This technique will open a new area of retrieval techniques for ambiguous images based on shape and color information.
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Mitsuo Fukuda, Mitsuo Fukuda, Shota Yamamoto, Shota Yamamoto, Makoto Kato, Makoto Kato, Tadahiko Kawaguchi, Tadahiko Kawaguchi, Masaki Aono, Masaki Aono, Hideo Sekino, Hideo Sekino, Mitsuteru Inoue, Mitsuteru Inoue, "A color retrieval technique using holograms", Proc. SPIE 7358, Holography: Advances and Modern Trends, 73581B (19 May 2009); doi: 10.1117/12.820613; https://doi.org/10.1117/12.820613

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