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Rough-Set-Based Color Channel Selection
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DOI：10.1109/LGRS.2016.2625303.png)
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Abstract
En 中文
Color channel selection is essential for accurate segmentation of sky and clouds in images obtained from ground-based sky cameras. Most prior works in cloud segmentation use threshold-based methods on color channels selected in an ad hoc manner. In this letter, we propose the use of rough sets for color channel selection in visible-light images. Our proposed approach assesses color channels with respect to their contribution for segmentation and identifies the most effective ones.
Keywords:
Cloud analysis
color channel
rough set
whole sky imagers (WSIs)
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