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CAIP
2009
Springer

Atmospheric Visibility Monitoring Using Digital Image Analysis Techniques

10 years 2 months ago
Atmospheric Visibility Monitoring Using Digital Image Analysis Techniques
Atmospheric visibility is a standard of human visual perception of the environment. It is also directly associated with air quality, polluted species and climate. The influence of urban atmospheric visibility affects not only human health but also traffic safety and human life quality. Visibility is traditionally defined as the maximum distance at which a selected target can be recognized. To replace the traditional measurement for atmospheric visibility, digital image processing schemes provide good visibility data, established by numerical index. The performance of these techniques is defined by the correlation between the observed visual range and the obtained index. Since performance is affected by non-uniform illumination, this paper proposes a new procedure to estimate the visibility index with a sharpening method. The experimental results show that the proposed procedure obtains a better correlation coefficient than previous schemes.
Jiun-Jian Liaw, Ssu-Bin Lian, Yung-Fa Huang, Rung
Added 16 Feb 2011
Updated 16 Feb 2011
Type Journal
Year 2009
Where CAIP
Authors Jiun-Jian Liaw, Ssu-Bin Lian, Yung-Fa Huang, Rung Ching Chen
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