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CHI Wei, GAO Zhansheng, CHEN Mingrong, XIE Tianhua. 舰船尾迹图像的对比度特征提取方法[J]. Chinese Journal of Ship Research, 2014, 9(2): 95-100. DOI: 10.3969/j.issn.1673-3185.2014.02.017
Citation:
CHI Wei, GAO Zhansheng, CHEN Mingrong, XIE Tianhua. 舰船尾迹图像的对比度特征提取方法[J]. Chinese Journal of Ship Research, 2014, 9(2): 95-100. DOI: 10.3969/j.issn.1673-3185.2014.02.017
CHI Wei, GAO Zhansheng, CHEN Mingrong, XIE Tianhua. 舰船尾迹图像的对比度特征提取方法[J]. Chinese Journal of Ship Research, 2014, 9(2): 95-100. DOI: 10.3969/j.issn.1673-3185.2014.02.017
Citation:
CHI Wei, GAO Zhansheng, CHEN Mingrong, XIE Tianhua. 舰船尾迹图像的对比度特征提取方法[J]. Chinese Journal of Ship Research, 2014, 9(2): 95-100. DOI: 10.3969/j.issn.1673-3185.2014.02.017
舰船尾迹图像的对比度特征提取方法
CHI Wei
,
GAO Zhansheng
,
CHEN Mingrong
,
XIE Tianhua
Graphical Abstract
Graphical Abstract
Abstract
Abstract
根据舰船尾迹图像尾迹区与海水背景区存在明显对照的特性,提出用对比度参数作为尾迹图像质量评价指标,进而表征舰船尾迹光学信号特征强度。为有效评价尾迹图像质量,在改进对比度基本计算模型的基础上,充分考虑人的视觉特性,引入尾迹区与海水背景区的加权因子进行组合评价,将主观与客观评价方法有机结合起来,并通过专门研制的海上特征提取实验装置进行对比度特征提取实验分析。结果表明,对比度参数能较好地反映人眼对尾迹图像实际质量的主观视觉感受,更能体现尾迹图像处理应用的本质,且能定量可靠地描述舰船尾迹光学信号特征强度的变化规律。
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