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Coordinate difference homogenization matching method for motion correction in 3D range-intensity correlation laser imaging

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Abstract

This Letter proposes a coordinate difference homogenization matching method to solve motion influence in three-dimensional (3D) range-intensity correlation laser imaging. Firstly, features and feature pairs of gate images are obtained by speeded-up robust figures and bi-directional feature matching methods. The original mean value of the feature-pair coordinate differences is calculated. Comparing the coordinate differences with the original mean value, the wrong feature pairs are removed, and then an optimized mean value is updated. The final feature-pair coordinates are re-registered based on the updated mean value. Thus, an accurate transformation is established to rectify motion gate images for 3D reconstruction. In the experiment, a 3D image of a tower at 780 m is successfully captured by our laser gated imaging system on a pan–tilt device.

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DOI:10.3788/col201715.102802

所属栏目:Remote sensing and sensors

基金项目:This work was supported by the National Key Research and Development Program of China (No. 2016YFC0500103), the Youth Innovation Promotion Association CAS (No. 2017155), and the Scientific Instrument Development Project from Capital Science and Technology Condition Platform (No. Z171100002817002).

收稿日期:2017-04-08

录用日期:2017-07-03

网络出版日期:2017-07-27

作者单位    点击查看

Liang Sun:Optoelectronics System Laboratory, Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083, ChinaUniversity of Chinese Academy of Sciences, Beijing 100049, China
Xinwei Wang:Optoelectronics System Laboratory, Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083, ChinaSchool of Electronic, Electrical and Communication Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
Pengdao Ren:Optoelectronics System Laboratory, Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083, China
Pingshun Lei:Optoelectronics System Laboratory, Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083, China
Songtao Fan:Optoelectronics System Laboratory, Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083, China
Yan Zhou:Optoelectronics System Laboratory, Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083, ChinaSchool of Electronic, Electrical and Communication Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
Yuliang Liu:Optoelectronics System Laboratory, Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083, ChinaCollege of Materials Science and Opto-Electronic Technology, University of Chinese Academy of Sciences, Beijing 100049, China

联系人作者:Xinwei Wang(wangxinwei@semi.ac.cn)

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引用该论文

Liang Sun, Xinwei Wang, Pengdao Ren, Pingshun Lei, Songtao Fan, Yan Zhou, Yuliang Liu, "Coordinate difference homogenization matching method for motion correction in 3D range-intensity correlation laser imaging," Chinese Optics Letters 15(10), 102802 (2017)

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