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    A Psychophysical Evaluation of Inverse Tone Mapping Techniques.

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    Publication date
    2009
    Author
    Banterle, F.
    Ledda, P.
    Debattista, K.
    Bloj, Marina
    Artussi, A.
    Chalmers, A.
    Keyword
    Inverse Tone Mapping
    High dynamic range imaging
    Psychophysical evaluation
    Peer-Reviewed
    Yes
    
    Metadata
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    Abstract
    In recent years inverse tone mapping techniques have been proposed for enhancing low-dynamic range (LDR) content for a high-dynamic range (HDR) experience on HDR displays, and for image based lighting. In this paper, we present a psychophysical study to evaluate the performance of inverse (reverse) tone mapping algorithms. Some of these techniques are computationally expensive because they need to resolve quantization problems that can occur when expanding an LDR image. Even if they can be implemented efficiently on hardware, the computational cost can still be high. An alternative is to utilize less complex operators; although these may suffer in terms of accuracy. Our study investigates, firstly, if a high level of complexity is needed for inverse tone mapping and, secondly, if a correlation exists between image content and quality. Two main applications have been considered: visualization on an HDR monitor and image-based lighting.
    URI
    http://hdl.handle.net/10454/4771
    Citation
    Banterle, F., Ledda, P., Debattista, K., Bloj, M., Artusi, A., and Chalmers, A. (2009) Psychophysical Evaluation of Inverse Tone Mapping Techniques. Computer Graphics Forum. Vol. 28, No. 1, pp. 13-25.
    Link to publisher’s version
    http://dx.doi.org/10.1111/j.1467-8659.2008.01176.x
    Type
    Article
    Collections
    Life Sciences Publications

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