Influence of sampling point distribution in freeform surfaces fitting with radial based function model

	Influence of sampling point distribution in freeform surfaces fitting with radial based function model
	Wu, P.-F.; Z. Zhang; Y. Zheng; J. Zhang; Y.-Y. Wang; X. Zhao; L.-J. Wang and Y.-X. Wu
	2016
发表期刊	Guangxue Jingmi Gongcheng/Optics and Precision Engineering
卷号	24 期号:7
摘要	In order to improve the measurement accuracy of the large target intersection measurement system, the miss distance formula of target was derived by analyzing the principle of intersection measurement. According to the parameters of the formula, a mapping model between the pixel coordinate and the offset angle was established by using the geometric relationship. A calibration method for linear camera was designed by using grating scale according to the model. This method takes the whole optical system as a whole and does not need to consider the parameters of the camera, which directly calibrates the mapping relationship between the coordinates and their corresponding offset angles. The experimental results show that the average measurement error of the calibrated intersection measurement system at 1.4 m is 0.4 mm, and the maximum measurement error is better than 0.6 mm. The proposed method is simple but effective, and can improve the speed of the calibration and satisfy the accuracy requirement of the system. 2016, Science Press. All right reserved.
文章类型	期刊
收录类别	EI
语种	中文
文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/57282
专题	中科院长春光机所知识产出
推荐引用方式 GB/T 7714	Wu, P.-F.,Z. Zhang,Y. Zheng,et al. Influence of sampling point distribution in freeform surfaces fitting with radial based function model[J]. Guangxue Jingmi Gongcheng/Optics and Precision Engineering,2016,24(7).
APA	Wu, P.-F..,Z. Zhang.,Y. Zheng.,J. Zhang.,Y.-Y. Wang.,...&L.-J. Wang and Y.-X. Wu.(2016).Influence of sampling point distribution in freeform surfaces fitting with radial based function model.Guangxue Jingmi Gongcheng/Optics and Precision Engineering,24(7).
MLA	Wu, P.-F.,et al."Influence of sampling point distribution in freeform surfaces fitting with radial based function model".Guangxue Jingmi Gongcheng/Optics and Precision Engineering 24.7(2016).

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