水下成像的好坏直接影响到水下探测的成效,但水下光场受到水中漂浮颗粒、海洋环境变化等因素的影响呈现出非线性。本文首先建立非均匀光场,并对其照明结构进行阐述。然后研究水下目标的衬度,并且建立了均匀光场的能见度模型,在此基础上对接收器的视角进行改进,建立非均匀光场能见度模型,并指出其影响因素,最后通过实验来改善影响非均匀光场能见度模型的影响因素,以此来提高水下能见度。
Underwater imaging has a direct impact on the effectiveness of underwater detection. But the underwater light field is affected by the factors such as floating particles, ocean environment changes and other factors. In this paper, firstly establish the non-uniform light field, and the illumination structure was described. Then the contrast ratio of underwater targets were studied. And the visibility model of uniform light field was established. On this basis, the receiver's perspective was improved. And the visibility model of non-uniform light field was established. And point out its influence factors. Finally through experiments to improve the influence factors of the non uniform light field visibility model, in order to improve the visibility of the underwater.
2017,39(1A): 186-188 收稿日期:2016-11-20
DOI:10.3404/j.issn.1672-7619.2017.1A.063
分类号:U665.26A
基金项目:江苏海事职业技术学院科技创新类重点课题(2015KJZD-04)
作者简介:海光美(1983-),女,硕士,讲师,主要从事建筑智能化研究。
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