基于嵌入式Linux技术的光学透镜MTF实时检测系统  

Optical Lens MTF Real-time Detection System Based on Embedded Linux Technology

作　　者：孙欢 张丙旭 徐文涛 SUN Huan;ZHANG Bing-xu;XU Wen-tao(College of Science,Nanjing University of Aeronautics and Astronautics,Nanjing 210000 China;College of Automation,Nanjing University of Aeronautics and Astronautics,Nanjing 210000 China)

机构地区：[1]南京航空航天大学理学院,江苏南京210000 [2]南京航空航天大学自动化学院,江苏南京210000

出　　处：《自动化技术与应用》2020年第10期120-123,146,共5页Techniques of Automation and Applications

基　　金：国家自然科学基金面上项目:微型飞行器激光远程充电技术的基础研究(编号51577091)。

摘　　要：本文提出一种基于嵌入式Linux技术的光学透镜MTF实时检测系统,该系统通过CMOS摄像头采集图像,然后在嵌入式平台中进行MTF提取,并在显示屏中进行显示。文章主要从硬件设计和软件设计两部分进行描述,基于C语言详细介绍了MTF测试算法与流程,对样品进行了测试,得到了测试结果并给出了相应的MTF曲线。本系统可实现透镜成像质量的实时监控,从而实现透镜加工环节的自动化测试和管理。An optical lens MTF real-time detection system based on embedded Linux technology is proposed.The system captures images by the CMOS camera and then extracts them in an embedded platform and displays them in the display.This paper mainly describes the hardware design and software design,and introduces the algorithm and flow of MTF testing based on C language.The samples are tested and the test results are obtained and the corresponding MTF curves are given.The system can realize real-time monitoring of lens imaging quality,thus realizing automatic testing and management of lens processing.

关 键 词：LINUX技术 光学透镜 调制传递函数 实时检测 

分 类 号：TP277[自动化与计算机技术—检测技术与自动化装置] TP752[自动化与计算机技术—控制科学与工程]