Preprints
https://doi.org/10.5194/egusphere-2023-456
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/egusphere-2023-456
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
01 Sep 2023
Status: this preprint is open for discussion and under review for Atmospheric Measurement Techniques (AMT).
Revealing Halos Concealed by Cirrus Clouds
Yuji Ayatsuka
CORRESPONDING AUTHOR
Personal Project, Tokyo, Japan
Abstract. Many types of halos appear in the sky. Each type of halo corresponds to the shape and orientation of ice crystals in clouds, and reflects the state of the atmosphere, therefore observing them from the ground greatly helps in understanding the state of the atmosphere. However, halos are easily obscured by the contrast of the cloud itself, making it difficult to observe them. This difficulty can be overcome by enhancing halos on images, for which various techniques have been developed. This study describes the construction of a sky-color model for halos and a new effective algorithm to reveal halos on images.
How to cite. Ayatsuka, Y.: Revealing Halos Concealed by Cirrus Clouds, EGUsphere [preprint], https://doi.org/10.5194/egusphere-2023-456, 2023.
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Yuji Ayatsuka
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Yuji Ayatsuka
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Short summary
Many types of halos appear in the sky. Each type of halo reflects the state of the atmosphere, therefore observing them from the ground greatly helps in understanding the state of the atmosphere. However, halos are easily obscured by the contrast of the cloud itself, making it difficult to observe them. This study describes the construction of a sky-color model for halos and a new effective algorithm to reveal halos on images.
Many types of halos appear in the sky. Each type of halo reflects the state of the atmosphere,...