|Table of Contents|

[1] Xia Liang, Li Xu, Li Honghai,. Efficient and reliable road modelingfor digital maps based on cardinal spline [J]. Journal of Southeast University (English Edition), 2018, (1): 48-53. [doi:10.3969/j.issn.1003-7985.2018.01.008]
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Efficient and reliable road modelingfor digital maps based on cardinal spline()
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Journal of Southeast University (English Edition)[ISSN:1003-7985/CN:32-1325/N]

Volumn:
Issue:
2018 1
Page:
48-53
Research Field:
Traffic and Transportation Engineering
Publishing date:
2018-03-20

Info

Title:
Efficient and reliable road modelingfor digital maps based on cardinal spline
Author(s):
Xia Liang1 Li Xu1 Li Honghai2
1School of Instrument Science and Engineering, Southeast University, Nanjing 210096, China
2Key Laboratory of Technology on Intelligent Transportation Systems, Research Institute of Highway of Ministry of Transport, Beijing 100088, China
Keywords:
cardinal spline digital map road modeling gradual optimization optimal balance
PACS:
U411
DOI:
10.3969/j.issn.1003-7985.2018.01.008
Abstract:
In order to realize an optimal balance between the efficiency and reliability requirements of road models, a road modeling method for digital maps based on cardinal spline is studied. First, the cardinal spline is chosen to establish an initial road model, which is specified by a series of control points and tension parameters. Then, in view of the initial road model, a gradual optimization algorithm, which can determine the reasonable control points and optimal tension parameters according to the degree of the change of road curvature, is proposed to determine the final road model. Finally, the proposed road modeling method is verified and evaluated through experiments, and it is compared with the conventional method for digital maps based on the B-spline. The results show that the proposed method can realize a near-optimal balance between the efficiency and reliability requirements. Compared with the conventional method based on the B-spline, this method occupies less data storage and achieves higher accuracy.

References:

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Memo

Memo:
Biographies: Xia Liang(1992—), male, graduate; Li Xu(corresponding author), male, doctor, professor, lixu.mail@163.com.
Foundation items: The National Natural Science Foundation of China(No. 61273236), the National Key Research and Development Plan of China(No.2016YFC0802706, 2017YFC0804804), the Program for Special Talents in Six Major Fields of Jiangsu Province(No.2017JXQC-003), the Project of Beijing Municipal Science and Technology Commission(No.Z161100001416001).
Citation: Xia Liang, Li Xu, Li Honghai.Efficient and reliable road modeling for digital maps based on cardinal spline[J].Journal of Southeast University(English Edition), 2018, 34(1):48-53.DOI:10.3969/j.issn.1003-7985.2018.01.008.
Last Update: 2018-03-20