Locating the position of objects in non-line-of-sight based on time delay estimation

doi:10.1088/1674-1056/25/8/084203

Abstract Non-line-of-sight imaging detection is to detect hidden objects by indirect light and intermediary surface (diffuser). It has very important significance in indirect access to an object or dangerous object detection, such as medical treatment and rescue. An approach to locating the positions of hidden objects is proposed based on time delay estimation. The time delays between the received signals and the source signal can be obtained by correlation analysis, and then the positions of hidden objects will be located. Compared with earlier systems and methods, the proposed approach has some modifications and provides significant improvements, such as quick data acquisition, simple system structure and low cost, and can locate the positions of hidden objects as well: this technology lays a good foundation for developing a practical system that can be used in real applications.

Keywords: non-line-of-sight time delay estimation cross-correlation hidden object location

Received: 31 January 2016
Revised: 12 April 2016
Accepted manuscript online:

PACS:	42.30.-d	(Imaging and optical processing)
	42.62.-b	(Laser applications)

Fund: Project supported by the National Science and Technology Major Project of China (Grant No. AHJ2011Z001) and the Major Research Project of Yili Normal University (Grant No. 2016YSZD05).

Corresponding Authors: Yuan-Qing Wang
E-mail: yqwang@nju.edu.cn

Cite this article:

Xue-Feng Wang(王雪峰), Yuan-Qing Wang(王元庆), Jin-Shan Su(苏金善), Xing-Yu Yang(杨兴雨) Locating the position of objects in non-line-of-sight based on time delay estimation 2016 Chin. Phys. B 25 084203

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Locating the position of objects in non-line-of-sight based on time delay estimation

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