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Contrast Enhancement for Images in Turbid Water
名前 / ファイル | ライセンス | アクション |
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OSA32_886.pdf (2.8 MB)
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Item type | 学術雑誌論文 = Journal Article(1) | |||||||||||||||||||||||
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公開日 | 2016-04-25 | |||||||||||||||||||||||
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資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||||||||||||||||||||
資源タイプ | journal article | |||||||||||||||||||||||
タイトル | ||||||||||||||||||||||||
言語 | en | |||||||||||||||||||||||
タイトル | Contrast Enhancement for Images in Turbid Water | |||||||||||||||||||||||
言語 | ||||||||||||||||||||||||
言語 | eng | |||||||||||||||||||||||
著者 |
陸, 慧敏
× 陸, 慧敏
WEKO
15968
× Li, Yujie× 張, 力峰
WEKO
14411
× 芹川, 聖一
WEKO
262
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抄録 | ||||||||||||||||||||||||
内容記述タイプ | Abstract | |||||||||||||||||||||||
内容記述 | Absorption, scattering, and color distortion are three major degradation factors in underwater optical imaging. Light rays are absorbed while passing through water, and absorption rates depend on the wavelength of the light. Scattering is caused by large suspended particles, which are always observed in an underwater environment. Color distortion occurs because the attenuation ratio is inversely proportional to the wavelength of light when light passes through a unit length in water. Consequently, underwater images are dark, low contrast, and dominated by a bluish tone. In this paper, we propose a novel underwater imaging model that compensates for the attenuation discrepancy along the propagation path. In addition, we develop a robust color lines-based ambient light estimator and a locally adaptive filtering algorithm for enhancing underwater images in shallow oceans. Furthermore, we propose a spectral characteristic-based color correction algorithm to recover the distorted color. The enhanced images have a reasonable noise level after the illumination compensation in the dark regions, and demonstrate an improved global contrast by which the finest details and edges are enhanced significantly. | |||||||||||||||||||||||
言語 | en | |||||||||||||||||||||||
書誌情報 |
en : Journal of the Optical Society of America A 巻 32, 号 5, p. 886-893, 発行日 2015-04-23 |
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言語 | en | |||||||||||||||||||||||
出版者 | Optica Publishing Group | |||||||||||||||||||||||
DOI | ||||||||||||||||||||||||
関連タイプ | isVersionOf | |||||||||||||||||||||||
識別子タイプ | DOI | |||||||||||||||||||||||
関連識別子 | https://doi.org/10.1364/JOSAA.32.000886 | |||||||||||||||||||||||
ISSN | ||||||||||||||||||||||||
収録物識別子タイプ | EISSN | |||||||||||||||||||||||
収録物識別子 | 1520-8532 | |||||||||||||||||||||||
ISSN | ||||||||||||||||||||||||
収録物識別子タイプ | PISSN | |||||||||||||||||||||||
収録物識別子 | 1084-7529 | |||||||||||||||||||||||
著作権関連情報 | ||||||||||||||||||||||||
権利情報 | © 2016 Optical Society of America. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modifications of the content of this paper are prohibited. | |||||||||||||||||||||||
出版タイプ | ||||||||||||||||||||||||
出版タイプ | AM | |||||||||||||||||||||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||||||||||||||||||||
査読の有無 | ||||||||||||||||||||||||
値 | yes | |||||||||||||||||||||||
研究者情報 | ||||||||||||||||||||||||
https://hyokadb02.jimu.kyutech.ac.jp/html/88_ja.html | ||||||||||||||||||||||||
連携ID | ||||||||||||||||||||||||
5339 |