视场拼接复眼成像系统结构及装调方法

高天元; 董正超; 赵宇; 刘智颖

doi:doi:10.3788/gzxb20144311.1122001

光子学报, 2014, 43 (11): 1122001, 网络出版: 2014-12-08

视场拼接复眼成像系统结构及装调方法

Structure and Alignment of Field Stitching Compound Eye Optical Imaging System

论文大纲

高天元 ^*董正超赵宇刘智颖

作者单位

长春理工大学光电工程学院, 长春 130022

摘要

提出了以高分辨率、小视场的子眼镜头为中心, 曲面阵列化排布多个分辨率较低、视场大的边缘阵列子眼镜头的人工仿生复眼的结构形式.基于物方视场空间应该保证无缝拼接并尽量缩小重合区域的原则, 分析并得到子眼镜头在X方向和Y方向上视场角与复眼系统总体视场角的数学关系式,推导出了边缘阵列子眼镜头的周期阵列数n的数学模型, 确定了子眼镜头在曲面上的阵列排布方式.依据曲面阵列排布形式设计了子眼镜头曲面固定本体, 提出了利用自带光源的自准直经纬仪及计算机图像处理技术的装调方法.在实际装配和调整过程中, 完成了中心子眼镜头和边缘第一阵列子眼镜头的安装, 利用该系统采集图像数据, 结果表明: 物方视场空间的实际重合区域与理论设计一致.

Abstract

A structure of artificial compound eye was put forward which was centered on high-resolution and small field of view sub-eye lens and has many large FOV and low-resolution sub-eye lens on the curved surface by array configuration. Based on the principle that object field should be seamless stitching and reduce overlap regions, the mathematical relationship between the field angles of sub-eye lens in the X direction and Y direction and the one of the whole compound eye system was analyzed, the mathematical model about the period of marginal array sub-eye lens was deduced. And then, the arrangement criterion of the sub-eye lens array on curved surface was confirmed. The spherical surface part was designed by the arrangement criterion, an alignment method with using of the auto-collimating theodolite and the digital picture processing technique was proposed. The central sub-eye lens and marginal first array sub-eye lens was assembled in the course of adjustment. The results of image data acquisition show that overlap regions of objective field are the same as the theory design, which confirms the arrangement of sub-eye lens is reasonable and the alignment is feasible.

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高天元, 董正超, 赵宇, 刘智颖. 视场拼接复眼成像系统结构及装调方法[J]. 光子学报, 2014, 43(11): 1122001. GAO Tian-yuan, DONG Zheng-chao, ZHAO Yu, LIU Zhi-ying. Structure and Alignment of Field Stitching Compound Eye Optical Imaging System[J]. ACTA PHOTONICA SINICA, 2014, 43(11): 1122001.

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