Event-based laser speckle correlation for micro motion estimation

被引：16
|
作者：
Ge, Zhou [1 ]
Gao, Yizhao [1 ]
So, Hayden K-H [1 ]
Lam, Edmund Y. [1 ]
机构：
[1] Univ Hong Kong, Dept Elect & Elect Engn, Pokfulam, Hong Kong, Peoples R China
来源：
OPTICS LETTERS | 2021年 / 46卷 / 16期
关键词：
Medical imaging - Speckle - Metals - Charge coupled devices - CMOS integrated circuits - MOS devices - Oxide semiconductors;
D O I：
10.1364/OL.430419
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Micro motion estimation has important applications in various fields such as microfluidic particle detection and biomedical cell imaging. Conventional methods analyze the motion from intensity images captured using frame-based imaging sensors such as the complementary metal-oxide semiconductor (CMOS) and the charge-coupled device (CCD). Recently, event-based sensors have evolved with the special capability to record asynchronous light changes with high dynamic range, high temporal resolution, low latency, and no motion blur. In this Letter, we explore the potential of using the event sensor to estimate the micro motion based on the laser speckle correlation technique. (C) 2021 Optical Society of America
引用
收藏
页码：3885 / 3888
页数：4
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