| 一种改进的雾天降质图像的清晰化算法 |
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| 引用本文： | 翟艺书,柳晓鸣,涂雅瑗,陈亚宁.一种改进的雾天降质图像的清晰化算法[J].大连海事大学学报(自然科学版),2007,33(3):55-58. |
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| 作者姓名： | 翟艺书 柳晓鸣 涂雅瑗 陈亚宁 |
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| 作者单位： | 大连海事大学信息工程学院,辽宁大连116026 |
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| 摘 要： | 为了提高有雾天气下户外监控系统的能见度,提出一种改进的雾天降质图像清晰化算法.该算法从图像增强的角度入手,利用移动模板对各局部区域进行部分块重叠直方图均衡化以实现清晰化处理,克服了原算法运行时间过长的缺陷.实验表明,改进算法能够有效提高雾天降质图像的对比度,获得满意的视觉效果.
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| 关 键 词： | 雾天降质图像 清晰化算法 对比度 部分块重叠直方图均衡化 |
| 文章编号： | 1006-7736（2007）03-0055-04 |
| 修稿时间： | 2007-06-10 |
An improved fog-degraded image clearness algorithm |
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| ZHAI Yi-shu,LIU Xiao-ming,TU Ya-yuan,CHEN Ya-ning.An improved fog-degraded image clearness algorithm[J].Journal of Dalian Maritime University,2007,33(3):55-58. |
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| Authors: | ZHAI Yi-shu LIU Xiao-ming TU Ya-yuan CHEN Ya-ning |
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| Institution: | College of Information Engineering, Dalian Maritime University, Dalian 116026, China |
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| Abstract: | This paper presents an improved algorithm for fog-degraded image clearness, which is designed to improve the visibility of outdoor surveillance system in fog weather. Image enhancement algorithm was considered and a moving mask-based partially sub-block overlapped histogram equalization algorithm was used to realize fog-degraded images clearness in every local region. The proposed algorithm can overcome the time-consuming drawback. Experimental results show that the improved algorithm can efficiently enhance the contrast of fog-degraded images and obtain satisfactory visual effects. |
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| Keywords: | fog-degraded image algorithm for image clearness contrast partially sub-block overlapped histogram equalization |
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