Atmospheric Measurement Techniques
Atmospheric Measurement Techniques
AMT
Articles | Volume 10, issue 3
Articles | Volume 10, issue 3
https://doi.org/10.5194/amt-10-1191-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/amt-10-1191-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 10, issue 3
Research article
 | 
29 Mar 2017
Research article |  | 29 Mar 2017

An RGB channel operation for removal of the difference of atmospheric scattering and its application on total sky cloud detection

Jun Yang, Qilong Min, Weitao Lu, Ying Ma, Wen Yao, and Tianshu Lu

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Latest update: 18 Jan 2025
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Short summary
A big challenge for accurate cloud detection is the inhomogeneous brightness distribution of sky background, which mainly caused by the difference in atmospheric scattering angles. In this manuscript, we report a new RGB channel operation aiming to remove this inhomogeneous sky background in the total sky images, and then a cloud detection algorithm based on this new channel is proposed which combined the merits of the threshold and differencing methods.
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