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On-line Access: 2022-01-24

Received: 2020-08-11

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Citations:  Bibtex RefMan EndNote GB/T7714


Peiwen ZHANG


Jiangtao XU


Zhiyuan GAO


Kaiming NIE


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Frontiers of Information Technology & Electronic Engineering  2022 Vol.23 No.1 P.113-122


Motion detection for high-speed high-brightness objects based on a pulse array image sensor

Author(s):  Peiwen ZHANG, Jiangtao XU, Huafeng NIE, Zhiyuan GAO, Kaiming NIE

Affiliation(s):  School of Microelectronics, Tianjin University, Tianjin 300072, China; more

Corresponding email(s):   authorneptune@tju.edu.cn, xujiangtao@tju.edu.cn, niehuafeng_ee@163.com, flyuphigher@outlook.com, nkaiming@tju.edu.cn

Key Words:  Optical flow, Retina-like image sensor, Pulse triggered, High-speed targets, Vision processing

Peiwen ZHANG, Jiangtao XU, Huafeng NIE, Zhiyuan GAO, Kaiming NIE. Motion detection for high-speed high-brightness objects based on a pulse array image sensor[J]. Frontiers of Information Technology & Electronic Engineering, 2022, 23(1): 113-122.

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author="Peiwen ZHANG, Jiangtao XU, Huafeng NIE, Zhiyuan GAO, Kaiming NIE",
journal="Frontiers of Information Technology & Electronic Engineering",
publisher="Zhejiang University Press & Springer",

%0 Journal Article
%T Motion detection for high-speed high-brightness objects based on a pulse array image sensor
%A Peiwen ZHANG
%A Jiangtao XU
%A Huafeng NIE
%A Zhiyuan GAO
%A Kaiming NIE
%J Frontiers of Information Technology & Electronic Engineering
%V 23
%N 1
%P 113-122
%@ 2095-9184
%D 2022
%I Zhejiang University Press & Springer
%DOI 10.1631/FITEE.2000407

T1 - Motion detection for high-speed high-brightness objects based on a pulse array image sensor
A1 - Peiwen ZHANG
A1 - Jiangtao XU
A1 - Huafeng NIE
A1 - Zhiyuan GAO
A1 - Kaiming NIE
J0 - Frontiers of Information Technology & Electronic Engineering
VL - 23
IS - 1
SP - 113
EP - 122
%@ 2095-9184
Y1 - 2022
PB - Zhejiang University Press & Springer
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DOI - 10.1631/FITEE.2000407

We describe a method of optical flow extraction for high-speed high-brightness targets based on a pulse array image sensor (PAIS). PAIS is a retina-like image sensor with pixels triggered by light; it can convert light into a series of pulse intervals. This method can obtain optical flow from pulse data directly by accumulating continuous pulses. The triggered points can be used to filter redundant data when the target is brighter than the background. The method takes full advantage of the rapid response of PAIS to high-brightness targets. We applied this method to extract the optical flow of high-speed turntables with different background brightness, with the sensor model and actual data, respectively. Under the sampling condition of 2×104 frames/s, the optical flow could be extracted from a high-speed turntable rotating at 1000 r/min. More than 90% of redundant points could be filtered by our method. Experimental results showed that the optical flow extraction algorithm based on pulse data can extract the optical flow information of high-brightness objects efficiently without the need to reconstruct images.




Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article


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