| 水下影像衬度的理论分析 |
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| 引用本文： | 孙晶华,尚寿亭,桑恩方.水下影像衬度的理论分析[J].哈尔滨工业大学学报,2004,36(4):460-462. |
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| 作者姓名： | 孙晶华 尚寿亭 桑恩方 |
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| 作者单位： | 哈尔滨工程大学,理学院,黑龙江,哈尔滨,150001;哈尔滨工程大学,水声工程学院,黑龙江,哈尔滨,150001;哈尔滨工业大学理学院,黑龙江,哈尔滨,150001;哈尔滨工程大学,水声工程学院,黑龙江,哈尔滨,150001 |
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| 基金项目： | 国防基础研究项目(BRPND)(k1501060507) |
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| 摘 要： | 依据海洋光学的散射理论，给出了水下影像衬度的理论计算公式，并提出了改善水下影像衬度的方法．结果表明：对称性双光源与单色光源相比影像衬度提高2倍多，理论分析和实验结果相符．表明采用对称性照明系统是提高水下影像衬度的一种有效方法．
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| 关 键 词： | 影像衬度 体积散射函数 对称性双光源系统 |
| 文章编号： | 0367-6234(2004)04-0460-03 |
| 修稿时间： | 2003年12月4日 |
Theoretical analysis of the contrast of image under water |
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| SUN Jing-hua.Theoretical analysis of the contrast of image under water[J].Journal of Harbin Institute of Technology,2004,36(4):460-462. |
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| Authors: | SUN Jing-hua |
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| Affiliation: | SUN Jing-hua~ |
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| Abstract: | The theoretical formula of the contrast of image under water was given.Moreover, a method for improving the contrast of image under water was brought forward. Some experiments of using symmetrical double light sources had been conducted, which show that the contrast of image unter water had been improved more than twice of that using single light source. Theoretical results were conformed to that of the experiments. The theoretical and experimental surveys reported here show that the symmetrical lighting system is an efficient method to improving the contrast of image. |
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| Keywords: | contrast of image volume scattering function system of symmetrical double light sources |
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