高速单像素成像技术原理及应用

郭强; 王雨西; 陈宏伟; 陈明华; 杨四刚; 谢世钟

doi:10.1631/FITEE.1601719

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高速单像素成像技术原理及应用

计算摄像学专题 | Updated：2022-05-19

- 高速单像素成像技术原理及应用
- Principles and applications of high-speed single-pixel imaging technology
- 信息与电子工程前沿（英文） 2017年18卷第9期页码：1261-1267
- Affiliations：
  
  Tsinghua National Laboratory for Information Science and Technology, Department of Electronic Engineering, Tsinghua University, Beijing 100084, China
- Author bio：
  
  [ "GUO Qiang, E-mail: q-guo13@mails.tsinghua.edu.cn" ]
  [ "WANG Yu-xi, E-mail: auvr123@163.com" ]
  Hong-wei CHEN, E-mail: chenhw@mail.tsinghua.edu.cn
  [ "CHEN Ming-hua, E-mail: chenmh@tsinghua.edu.cn" ]
  [ "YANG Si-gang, E-mail: ysg@tsinghua.edu.cn" ]
  [ "XIE Shi-zhong, E-mail: xsz-dee@mail.tsinghua.edu.cn" ]
- Funds：
  
  Project supported by the National Natural Science Foundation of China (Nos. 61771284 and 61322113)
- DOI：10.1631/FITEE.1601719
  中图分类号： TN911.73
- 收稿：2016-11-18，
  
  修回：2017-;9-15，
  
  纸质出版：2017-09
- Accepted：
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郭强, 王雨西, 陈宏伟, 等. 高速单像素成像技术原理及应用[J]. 信息与电子工程前沿（英文）, 2017,18(9):1261-1267.

Qiang GUO, Yu-xi WANG, Hong-wei CHEN, et al. Principles and applications of high-speed single-pixel imaging technology[J]. Frontiers of Information Technology & Electronic Engineering, 2017, 18(9): 1261-1267.
郭强, 王雨西, 陈宏伟, 等. 高速单像素成像技术原理及应用[J]. 信息与电子工程前沿（英文）, 2017,18(9):1261-1267. DOI： 10.1631/FITEE.1601719.

Qiang GUO, Yu-xi WANG, Hong-wei CHEN, et al. Principles and applications of high-speed single-pixel imaging technology[J]. Frontiers of Information Technology & Electronic Engineering, 2017, 18(9): 1261-1267. DOI： 10.1631/FITEE.1601719.

摘要

单像素成像技术具有利用一个单像素探测器获取高分辨图像的能力，近十年来得到广泛关注。该技术已应用于多个领域，如核磁共振成像、航天遥感、太赫兹成像和高光谱成像。与传统相机相比，单像素相机可以实现图像压缩和超宽的频谱工作范围。然而，单像素相机的成像速度受到数字微镜阵列和图像压缩程度限制，导致其时间分辨率较低（毫秒量级）。因此，观察显微成像中的高速动态现象对于单像素相机而言是巨大挑战。最近，基于光子时间拉伸的高速单像素成像技术被提出，其远超普通相机的成像速度也得到验证。本文介绍了光子时间拉伸技术的原理和应用，给出了高速单像素相机的结构，并通过实验证实利用该相机可实现高速和高吞吐量细胞流式分析，最后，讨论了高速单像素相机的局限和应用潜力。

Abstract

Single-pixel imaging (SPI) technology has garnered great interest within the last decade because of its ability to record high-resolution images using a single-pixel detector. It has been applied to diverse fields

such as magnetic resonance imaging (MRI)

aerospace remote sensing

terahertz photography

and hyperspectral imaging. Compared with conventional silicon-based cameras

single-pixel cameras (SPCs) can achieve image compression and operate over a much broader spectral range. However

the imaging speed of SPCs is governed by the response time of digital micromirror devices (DMDs) and the amount of compression of acquired images

leading to low (ms-level) temporal resolution. Consequently

it is particularly challenging for SPCs to investigate fast dynamic phenomena

which is required commonly in microscopy. Recently

a unique approach based on photonic time stretch (PTS) to achieve high-speed SPI has been reported. It achieves a frame rate far beyond that can be reached with conventional SPCs. In this paper

we first introduce the principles and applications of the PTS technique. Then the basic architecture of the high-speed SPI system is presented

and an imaging flow cytometer with high speed and high throughput is demonstrated experimentally. Finally

the limitations and potential applications of high-speed SPI are discussed.

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