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CMOS相机采集的激光测距图像处理方法研究
Alternative TitleResearch on laser ranging image processing method captured by CMOS
赵雪1,2; 张训方1; 汤儒峰1; 张海涛1; 李祝莲1
Source Publication天文研究与技术(Astronomical Research & Technology)
2018-10
Volume15Issue:04Pages:404-412
DOI10.14005/j.cnki.issn1672-7673.20180427.007
ClassificationP111
Contribution Rank第1完成单位
Indexed ByCSCD
Keyword激光测距 图像分割 边缘检测 直线拟合 激光光尖识别
Abstract

将CMOS相机应用于云南天文台53cm双筒望远镜激光测距系统,使得空间目标测距回波率以及测距成功率得到大幅提升。在分析CMOS相机采集的数字图像信息的基础上,提出了优化的图像处理和激光光尖提取算法,有效实现了激光光尖的识别和目标质心坐标的提取。首先采用中值滤波和均值滤波对图像进行去噪声处理,然后使用最大类间方差法(Otsu)计算阈值对图像进行二值化以及选用Roberts算子进行边缘提取,最后采用最小二乘法进行直线拟合求解光尖坐标并计算其位置偏差。结果对进一步研究CMOS相机在53cm双筒望远镜激光测距系统中的应用有重要意义。

Other Abstract

The CMOS camera used in Yunnan Observatory 53cm binocular laser ranging system, making space target ranging echo rate and ranging success rate has been greatly improved. On the basic of analyzing the CMOS digital image information of laser ranging, an optimized image processing and laser light point feature extraction algorithm is proposed, which has efficiently achieved laser light point recognition and target centroid coordinate extraction. Median filter and average filter to remove noise in the image; the Otsu method calculates the thresholds to realize image binarization and the Roberts operator is selected to detect the edge; linear fitting using least squares method solves the light point coordinates and calculates the position deviation. The results have important implications for further research in the application of CMOS camera binoculars 53cm laser ranging system.

Funding Project国家自然科学基金[U1431116]
Funding Organization国家自然科学基金[U1431116]
Language中文
Subject Area天文学 ; 天体测量学 ; 电子、通信与自动控制技术 ; 计算机科学技术
MOST Discipline Catalogue理学 ; 理学::天文学 ; 工学 ; 工学::电子科学与技术(可授工学、理学学位) ; 工学::信息与通信工程 ; 工学::计算机科学与技术(可授工学、理学学位)
ISSN1672-7673
CSCD IDCSCD:6342676
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ynao.ac.cn/handle/114a53/12155
Collection应用天文研究组
Affiliation1.中国科学院云南天文台,云南,昆明,650011
2.中国科学院大学,北京,100049
First Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
赵雪,张训方,汤儒峰,等. CMOS相机采集的激光测距图像处理方法研究[J]. 天文研究与技术(Astronomical Research & Technology),2018,15(04):404-412.
APA 赵雪,张训方,汤儒峰,张海涛,&李祝莲.(2018).CMOS相机采集的激光测距图像处理方法研究.天文研究与技术(Astronomical Research & Technology),15(04),404-412.
MLA 赵雪,et al."CMOS相机采集的激光测距图像处理方法研究".天文研究与技术(Astronomical Research & Technology) 15.04(2018):404-412.
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