Modern imaging systems - including CCD cameras and various types of thermal imagers - are capable of producing images in which useful information covers a signal range which is too great for current display technology to present to the human observer. Additionally, conventional display of electro-optical imagery severely biases the range of small signal differences that are observable by a viewer, despite the partial compensation provided by the approximately quadratic response of cathode ray tube monitors. This paper proposes the use of dynamic range zooming - analogous to the spatial resolution zooming - as an efficient technique to support visual search of high dynamic range imagery, with the zooming beeing perceptually unbiased. The technique can be implemented as a lookup table in the signal processing chain of an imaging system. The effect of quantisation in the output of the lookup table is considered as such quantisation may be problem for implementation.


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    Titel :

    Efficient display of high dynamic range imagery


    Weitere Titelangaben:

    Das dynamische Bereichs-Zoomen als Mittel zur Graustufenverbesserung und Zielerkennung


    Beteiligte:
    Woodruff, C.J. (Autor:in)


    Erscheinungsdatum :

    1995


    Format / Umfang :

    9 Seiten, 5 Bilder, 18 Quellen




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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