Single-pixel tracking of fast-moving object using geometric moment detection

Real-time tracking of fast-moving object have many important applications in various fields. However, it is a great challenge to track of fast-moving object with high frame rate in real-time by employing single-pixel imaging technique. In this paper, we present the first single-pixel imaging techniq...

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Veröffentlicht in:Optics express 2021-09, Vol.29 (19), p.30327-30336
Hauptverfasser: Zha, Linbin, Shi, Dongfeng, Huang, Jian, Yuan, Kee, Meng, Wengweng, Yang, Wei, Jiang, Runbo, Chen, Yafeng, Wang, Yingjian
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container_end_page 30336
container_issue 19
container_start_page 30327
container_title Optics express
container_volume 29
creator Zha, Linbin
Shi, Dongfeng
Huang, Jian
Yuan, Kee
Meng, Wengweng
Yang, Wei
Jiang, Runbo
Chen, Yafeng
Wang, Yingjian
description Real-time tracking of fast-moving object have many important applications in various fields. However, it is a great challenge to track of fast-moving object with high frame rate in real-time by employing single-pixel imaging technique. In this paper, we present the first single-pixel imaging technique that measures zero-order and first-order geometric moments, which are leveraged to reconstruct and track the centroid of a fast-moving object in real time. This method requires only 3 geometric moment patterns to illuminate a moving object in one frame. And the corresponding intensities collected by a single-pixel detector are equivalent to the values of the zero-order and first-order geometric moments. We apply this new approach of measuring geometric moments to object tracking by detecting the centroid of the object in two experiments. The root mean squared errors in the transverse and axial directions are 5.46 pixels and 5.53 pixels respectively, according to the comparison of data captured by a camera system. In the second experiment, we successfully track a moving magnet with a frame rate up to 7400 Hz. The proposed scheme provides a new method for ultrafast target tracking applications.
doi_str_mv 10.1364/OE.436348
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title Single-pixel tracking of fast-moving object using geometric moment detection
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