We present a reversible method to convert color graphics and pictures to gray images based on mapping colors to low-visibility high-frequency textures. From a monochrome textured image, the decoder can identify the textures and recover the color information. An image is textured by carrying a wavelet transform and replacing band-pass sub-bands by the chrominance images. The low-pass sub-band is the same as that of the luminance signal. The decoder performs a wavelet transform on the received gray image and recovers the chrominance channels. Registration problems are discussed and examples are presented.


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    Titel :

    Color embedding into gray images


    Beteiligte:
    de Queiroz, R.L. (Autor:in) / Braun, K.M. (Autor:in)


    Erscheinungsdatum :

    01.01.2005


    Format / Umfang :

    1140079 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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