While images often contain only one illumination source, objects in the scene are illuminated by varying intensities of that illuminant. We show that the illuminant can be estimated using a few known reflectances within an image taken with a hyperspectral camera. The method relies on projection to a non-convex constraint set, as well as to convex constraint sets. Simulations and tests on actual hyperspectral images show the method is effective.


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    Titel :

    Estimation of spatially varying illumination in hyperspectral images


    Beteiligte:
    Rouse, D.M. (Autor:in) / Trussell, H.J. (Autor:in)


    Erscheinungsdatum :

    2005-01-01


    Format / Umfang :

    163773 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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