Design of miniature camera with high resolution and large area array

TAO Shu-ping; ZHENG Xiao-yun; PIAO Yong-jie

doi:10.3788/YJYXS20153003.0514

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Design of miniature camera with high resolution and large area array

Imaging Technology & Image Processing | 更新时间：2020-08-12

- Design of miniature camera with high resolution and large area array
- Chinese Journal of Liquid Crystals and Displays Vol. 30, Issue 3, Pages: 514-518(2015)
- 作者机构：
  
  中国科学院长春光学精密机械与物理研究所小卫星技术国家地方联合工程研究中心,吉林长春,130033
- 作者简介：
- 基金信息：
- DOI：10.3788/YJYXS20153003.0514
  CLC： TP394.1;TH691.9
- Received：03 June 2014，
  
  Revised：01 August 2014，
  
  Published：05 June 2015
- 稿件说明：
移动端阅览
陶淑苹, 郑晓云, 朴永杰. 高分辨率大面阵微型相机设计[J]. 液晶与显示, 2015,30(3): 514-518

TAO Shu-ping, ZHENG Xiao-yun, PIAO Yong-jie. Design of miniature camera with high resolution and large area array[J]. , 2015,30(3): 514-518
陶淑苹, 郑晓云, 朴永杰. 高分辨率大面阵微型相机设计[J]. 液晶与显示, 2015,30(3): 514-518 DOI： 10.3788/YJYXS20153003.0514.

TAO Shu-ping, ZHENG Xiao-yun, PIAO Yong-jie. Design of miniature camera with high resolution and large area array[J]. , 2015,30(3): 514-518 DOI： 10.3788/YJYXS20153003.0514.

摘要

小型化相机是支持低成本微型飞行器或微小卫星对地观测等多项应用的关键设备

由此提出了一种高分辨率大面阵的小型化成像系统.首先预估了该成像系统用于目标观测的像元分辨率和幅宽.然后阐述了该系统的电子学方案

对其中的关键芯片OV14825的工作原理进行了介绍

并分析了基于FPGA的串行差分数据接收转发的软件设计.最后基于设计的相机样机开展了成像实验

在13 m成像距离条件下获取图像分辨率优于0.5 mm

而且图像细节丰富

层次分明

证明该方案切实可行.高分辨率大面阵微型相机具有很好的应用价值.

Abstract

The miniature cameras are the critical equipments to support the low-cost Micro Air Vehicles or small satellites for earth observation and many other applications. So a miniature imaging system with high resolution and large area array was proposed in this paper. Firstly

the target sampling distance and swath width were estimated for the designed imaging system. Then the electronic scheme of the system was described

where the working principle of the key chip OV14825 was introduced

and the software design based on FPGA was analyzed for serial differential data receiving and forwarding. Finally

imaging experiments were carried on the designed camera. The resolution was better than 0.5 mm when imaging in the 13 m distance

and the obtained images were rich in details

which proved that the scheme was feasible. And the miniature cameras with high resolution and large area array were of great value.

关键词

Keywords

references

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