[1]郭振宇,谢娜,何鹏举,等. 基于CCD的透镜焦距测量实验系统的设计[J].计算机技术与发展,2017,27(05):174-178.
　GUO Zhen-yu,XIE Na,HE Peng-ju,et al. Design of Experiment System for Focal Length Measurement ofLens Based on CCD[J].,2017,27(05):174-178.
点击复制

 基于CCD的透镜焦距测量实验系统的设计()
分享到：

《计算机技术与发展》[ISSN:1006-6977/CN:61-1281/TN]

卷:
27
期数:
2017年05期
页码:
174-178
栏目:
应用开发研究
出版日期:
2017-05-10

文章信息/Info

Title:
 Design of Experiment System for Focal Length Measurement ofLens Based on CCD
文章编号:
1673-629X（2017)05-0174-05
作者:
 郭振宇；谢娜；何鹏举；王西玲；谌静；徐荣青
 南京邮电大学 电子科学与工程学院
Author(s):
 GUO Zhen-yu; XIE Na; HE Peng-ju; WANG Xi-ling; CHEN Jing; XU Rong-qing
关键词:
 ; CCD; 清晰度评价; 焦距; 实验系统
Keywords:
 ; CCD; definition evaluation; focal length; experiment system
分类号:
TN06
文献标志码:
A
摘要:
 针对传统测量焦距读数所引起误差较大的问题,实验系统在传统放大率法测焦距的基础上用CCD代替人眼实现数字化测量,并用电控平移台控制步进精度,显著提高了其测量精度和自动化程度.图像清晰度评价是焦距测量的一个关键步骤,在对CCD工业相机获取的图片的清晰度评价中,提出了一种改进的灰度差分评价函数,提高了图片清晰度评价精度和速度,从而提高了系统的测量速度.实验进行了光学成像系统的搭建,以Matlab为开发平台进行软件开发,实验系统搭建方便,操作简单,测量精度和自动化程度高.实验结果表明,该系统能够对透镜焦距(以正透镜为例)进行准确测量,改进的清晰度评价函数聚焦速度比传统的清晰度评价函数快3倍,测量焦距重复精度高于1%.
Abstract:
 The CCD-based experiment system is based on the traditional magnification method to measure the focal length and it uses CCD instead of the human eyes to achieve digital measurement.Meanwhile,the motor control console is used for stepper precision which significantly improves the accuracy and automation.The key to focal length measuring system is whether it can meet the real-time and focus accuracy in image clarity evaluation function.An improved definition evaluation algorithm called improved gray-difference evaluation has been proposed to improve the speed and accuracy of evaluation algorithm.And the quality of system has also been improved.Optical imaging system has been built in experiment and Matlab is used as a software development platform.It is convenient to set up the experiment system with high degree of automation and easy operation.Experimental results show that the system is accurate to measure the focal length of positive lens and the requirements of experiments have been met which the focus time of improved evaluation function is 3 times faster than traditional definition evaluation and that repeatability of measurement accuracy is better than 1%.

相似文献/References:

[1]张志宏,吴庆波,邵立松,等.基于飞腾平台TOE协议栈的设计与实现[J].计算机技术与发展,2014,24(07):1.
　ZHANG Zhi-hong,WU Qing-bo,SHAO Li-song,et al. Design and Implementation of TCP/IP Offload Engine Protocol Stack Based on FT Platform[J].,2014,24(05):1.
[2]梁文快,李毅. 改进的基因表达算法对航班优化排序问题研究[J].计算机技术与发展,2014,24(07):5.
　LIANG Wen-kuai,LI Yi. Research on Optimization of Flight Scheduling Problem Based on Improved Gene Expression Algorithm[J].,2014,24(05):5.
[3]黄静,王枫,谢志新,等. EAST文档管理系统的设计与实现[J].计算机技术与发展,2014,24(07):13.
　HUANG Jing,WANG Feng,XIE Zhi-xin,et al. Design and Implementation of EAST Document Management System[J].,2014,24(05):13.
[4]侯善江[],张代远[][][]. 基于样条权函数神经网络P2P流量识别方法[J].计算机技术与发展,2014,24(07):21.
　HOU Shan-jiang[],ZHANG Dai-yuan[][][]. P2P Traffic Identification Based on Spline Weight Function Neural Network[J].,2014,24(05):21.
[5]李璨,耿国华,李康,等. 一种基于三维模型的文物碎片线图生成方法[J].计算机技术与发展,2014,24(07):25.
　LI Can,GENG Guo-hua,LI Kang,et al. A Method of Obtaining Cultural Debris’ s Line Chart Based on Three-dimensional Model[J].,2014,24(05):25.
[6]翁鹤,皮德常. 混沌RBF神经网络异常检测算法[J].计算机技术与发展,2014,24(07):29.
　WENG He,PI De-chang. Chaotic RBF Neural Network Anomaly Detection Algorithm[J].,2014,24(05):29.
[7]刘茜[],荆晓远[],李文倩[],等. 基于流形学习的正交稀疏保留投影[J].计算机技术与发展,2014,24(07):34.
　LIU Qian[],JING Xiao-yuan[,LI Wen-qian[],et al. Orthogonal Sparsity Preserving Projections Based on Manifold Learning[J].,2014,24(05):34.
[8]尚福华,李想,巩淼. 基于模糊框架-产生式知识表示及推理研究[J].计算机技术与发展,2014,24(07):38.
　SHANG Fu-hua,LI Xiang,GONG Miao. Research on Knowledge Representation and Inference Based on Fuzzy Framework-production[J].,2014,24(05):38.
[9]叶偲,李良福,肖樟树. 一种去除运动目标重影的图像镶嵌方法研究[J].计算机技术与发展,2014,24(07):43.
　YE Si,LI Liang-fu,XIAO Zhang-shu. Research of an Image Mosaic Method for Removing Ghost of Moving Targets[J].,2014,24(05):43.
[10]余松平[][],蔡志平[],吴建进[],等. GSM-R信令监测选择录音系统设计与实现[J].计算机技术与发展,2014,24(07):47.
　YU Song-ping[][],CAI Zhi-ping[] WU Jian-jin[],GU Feng-zhi[]. Design and Implementation of an Optional Voice Recording System Based on GSM-R Signaling Monitoring[J].,2014,24(05):47.

更新日期/Last Update: 2017-07-07