Geoinformatics & Geostatistics: An OverviewISSN: 2327-4581

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Yao Chunjing Author

2014301630027@whu.edu.cn

Subjects of specialization
Remote Sensing

Affiliation
The School of Remote Sensing and Information Engineering, Wuhan University, China

Biography

Yao Chunjing is from School of Remote Sensing and Information Engineering at the Wuhan University, China. Yao Chunjing research interest are Mobile LiDAR, Dam extraction, Curve interpolation, Section, Model Design for Risk Assessment.

Publications

Research Article Subscription

A Profile Curve Fitting Method for Automatic Dam Extraction Based on LiDAR Points Data

Author(s):

Yao Chunjing, Zhou Qihang and Zhang Jiyong

In this paper, an automatic dam extraction algorithm which is called polynomial curve fitting is proposed. This method is based on the LiDAR points cloud filtering and the spatial geometric distribution feature analysis. The key ideology lies in the following steps: firstly, obtain reference vectors from water profile (airborne LiDAR)
or vehicle trajectory file (mobile LiDAR); secondly, a section with certain width is made along the direction of dam and the current points in that section are projected to the two-dimensional space which is vertical to the direction of the dam; then, divide the projected points along the horizontal axis into several segments and
search a partial lowest point in every small segment, after which the pol... view more»

DOI: 10.4172/2327-4581.1000173

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