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Using visibility cameras to estimate atmospheric light extinction | IEEE Conference Publication | IEEE Xplore

Using visibility cameras to estimate atmospheric light extinction


Abstract:

We describe methods for estimating the coefficient of atmospheric light extinction using visibility cameras. We use a standard haze image formation model to estimate atmo...Show More

Abstract:

We describe methods for estimating the coefficient of atmospheric light extinction using visibility cameras. We use a standard haze image formation model to estimate atmospheric transmission using local contrast features as well as a recently proposed dark channel prior. A log-linear model is then used to relate transmission and extinction. We train and evaluate our model using an extensive set of ground truth images acquired over a year long period from two visibility cameras in the Phoenix, Arizona region. We present informative results which are particularly accurate for a visibility index used in long-term haze studies.
Date of Conference: 05-07 January 2011
Date Added to IEEE Xplore: 10 February 2011
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Conference Location: Kona, HI, USA

References

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