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Chin. Phys. B, 2016, Vol. 25(8): 084203    DOI: 10.1088/1674-1056/25/8/084203
ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS Prev   Next  

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

Xue-Feng Wang(王雪峰)1,2, Yuan-Qing Wang(王元庆)1, Jin-Shan Su(苏金善)1,2, Xing-Yu Yang(杨兴雨)1,2
1 School of Electronic Science and Engineering, Nanjing University, Nanjing 210046, China;
2 School of Electronic Information Engineering, Yili Normal University, Yining 83500, China
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      Published:  05 August 2016
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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