Improvement of underwater colour correction using standard deviation ratio

This Letter presents a simple and new colour correction algorithm for the underwater image. The proposed method corrects the pixels of the weak colour channel based on the ratio of the standard deviation of the weak colour channel to that of the green channel. The corrected image based on the propos...

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Bibliographic Details
Published in:Electronics letters 2020-09, Vol.56 (20), p.1051-1054
Main Authors: Moon, S.W, Lee, H.S, Eom, I.K
Format: Article
Language:English
Subjects:
colour balanced algorithm
corrected image
dehazing approach
geophysical image processing
green channel
Image and vision processing and display technology
image colour analysis
image enhancement
image restoration
image segmentation
reasonable underwater image enhancement
standard deviation ratio
underwater colour correction
weak colour channel
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Summary:This Letter presents a simple and new colour correction algorithm for the underwater image. The proposed method corrects the pixels of the weak colour channel based on the ratio of the standard deviation of the weak colour channel to that of the green channel. The corrected image based on the proposed colour balanced algorithm barely produces a reddish artefact and can be applied directly to the existing dehazing approaches without any processing. The experimental results show that the proposed algorithm achieves good colour correction performance, as well as reasonable underwater image enhancement when employed with the existing dehazing methods.
ISSN:0013-5194
1350-911X
1350-911X
DOI:10.1049/el.2020.1796