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亮背景下形态学星点目标提取算法
李真真; 魏宏刚
Source Publication光电工程
Volume38Issue:12Pages:23-27
2011
Language中文
Subtype期刊论文
Abstract为了有效提取星图中星点小目标, 实现提高星图识别效率及姿态计算的精度, 本文在分析星点目标和小目标像共性的基础上, 采用了一种形态学星点提取方法。该方法根据数学形态学运算的特点, 得到估计的星图背景, 通过灰度形态学 Top-Hat变换对消背景, 得到含有目标和高频噪声的图像, 本文采用自适应阈值法确定实际图像的阈值。实验结果表明此方法能很好的滤除背景噪声, 有助于选取阈值及确定目标亮度, 确定的目标亮度比传统方法得到亮度效果要好, 且质心坐标与真值相差不超过 0.3个像素单元。
Document Type期刊论文
Identifierhttp://ir.ioe.ac.cn/handle/181551/4222
Collection应用光学研究室(二室)
Corresponding Author李真真
Affiliation中国科学院光电技术研究所
Recommended Citation
GB/T 7714
李真真,魏宏刚. 亮背景下形态学星点目标提取算法[J]. 光电工程,2011,38(12):23-27.
APA 李真真,&魏宏刚.(2011).亮背景下形态学星点目标提取算法.光电工程,38(12),23-27.
MLA 李真真,et al."亮背景下形态学星点目标提取算法".光电工程 38.12(2011):23-27.
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