Super-resolution has been applied mainly to grayscale images, but producing a high-resolution color image using a single CCD sensor has not been investigated in detail until recently. This work aims at producing a high-resolution color image directly from raw "color mosaic" images obtained by a single CCD equipped with a color filter array. This method is based on a generalized formulation of super-resolution that simultaneously performs both resolution enhancement and demosaicing. The other key factor of our topic is a precise sub-pixel registration of multiple raw images. We examined direct registration of raw images based on an imaging model, which shows precise estimation of motion among severely aliased raw images. The proposed method is verified through experiments using synthetic and real images.


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    Title :

    Direct super-resolution and registration using raw CFA images


    Contributors:
    Gotoh, T. (author) / Okutomi, M. (author)


    Publication date :

    2004-01-01


    Size :

    509656 byte





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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