[1]张康龙,王冠伟,王洪喜.高精度太阳方位检测圆弧算法[J].西安工业大学学报,2019,(03):260-265.[doi:10.16185/j.jxatu.edu.cn.2019.03.004]
 ZHANG Kanglong,WANG Guanwei,WANG Hongxi.Arc Algorithms for High Precision Solar Position Detection[J].Journal of Xi’an Technological University,2019,(03):260-265.[doi:10.16185/j.jxatu.edu.cn.2019.03.004]
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高精度太阳方位检测圆弧算法()
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《西安工业大学学报》[ISSN:1673-9965/CN:61-1458/N]

卷:
期数:
2019年03期
页码:
260-265
栏目:
出版日期:
2019-06-20

文章信息/Info

Title:
Arc Algorithms for High Precision Solar Position Detection
文章编号:
1673-9965(2019)03-0260-06
作者:
张康龙王冠伟王洪喜
(西安工业大学 机电工程学院,西安 710021)
Author(s):
ZHANG KanglongWANG GuanweiWANG Hongxi
(School of Mechatronic Engineering,Xi’an Technological University,Xi’an 710021,China)
关键词:
太阳方位 圆弧检测 图像处理 频率分布
Keywords:
solar position arc detection the image processing frequency distribution
分类号:
TK513.5
DOI:
10.16185/j.jxatu.edu.cn.2019.03.004
文献标志码:
A
摘要:
为了提高太阳方位检测的精度,提出基于圆弧检测的图像处理检测方式。以多云天气的太阳图像为研究对象,对图像进行灰度化、滤波、二值化、边缘检测等预处理,对太阳轮廓采点并计算曲率半径,根据曲率半径的频率分布或采样点与候选圆的符合程度筛选圆弧,用Matlab进行实验验证。实验结果表明:该方法可有效解决多云情况下的太阳方位检测,算法一平均检测精度为0.53’,算法二平均检测精度为0.42’,优于最小二乘圆拟合偏差方法和质心法偏差方法。
Abstract:
An Image processing methods based on arc detection is presented to improve the accuracy of solar position detection.The images collected in cloudy days were processed firstly by graying,filtering,binarization,edge detection and so on.The points on the contour of the sun were detected and the curvature radii was computed.The arc was screened according to the frequency distribution of the radii or the match level between the sampling points and the candidate circles.The algorithms was verified in Matlab.The results show that the method can effectively detect the solar position in cloudy days,the average detection accuracy of the first algorithm is 0.53’,and the average detection accuracy of the second is 0.42’,both superior to the least square circle fitting deviation method and the mass center deviation method.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2018-03-04基金资助:陕西省特种加工重点实验室开放基金(ST-15006); 陕西省科技统筹创新工程重点实验室项目(2014SZS20-K4)。第一作者简介:张康龙(1994-),男,西安工业大学硕士研究生。通信作者简介:王洪喜(1969-),男,西安工业大学教授,主要研究方向为精密超精密加工技术,E-mail:whx_yz@163.com。引文格式:张康龙,王冠伟,王洪喜.高精度太阳方位检测圆弧算法[J].西安工业大学学报,2019,39(3):260-265.ZHANG Kanglong,WANG Guanwei,WANG Hongxi.Arc Algorithms for High Precision Solar Position Detection[J].Journal of Xi’an Technological University,2019,39(3):260-265.
更新日期/Last Update: 2019-06-20