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An automatic image enhancement method adaptive to the surround luminance variation for small sized mobile transmissive LCD | IEEE Journals & Magazine | IEEE Xplore
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An automatic image enhancement method adaptive to the surround luminance variation for small sized mobile transmissive LCD


Abstract:

The loss in contrast discrimination ability of the human visual system was estimated under a variety of ambient illumination levels first. Then it was modelled as a non-l...Show More

Abstract:

The loss in contrast discrimination ability of the human visual system was estimated under a variety of ambient illumination levels first. Then it was modelled as a non-linear weighting function defined in spatial frequency domain to determine which of parts of the image, whatever their spatial frequency, will appear under a given surround luminance level. The weighting function was adopted as a filter for developing an image enhancement algorithm adaptive to surround luminance. The algorithm aims to improve the image contrast under various surround levels especially for small-sized mobile phone displays through gain control of a 2D contrast sensitivity function.
Published in: IEEE Transactions on Consumer Electronics ( Volume: 56, Issue: 3, August 2010)
Page(s): 1161 - 1166
Date of Publication: 28 October 2010

ISSN Information:


References

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