基于FPGA的多路Cameralink数字图像光纤传输系统

白金成

doi:10.3788/YJYXS20193408.0787

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基于FPGA的多路Cameralink数字图像光纤传输系统

图像处理 | 更新时间：2020-12-14

- 基于FPGA的多路Cameralink数字图像光纤传输系统
- Optical fiber transmission for multi-channel Cameralink digital image based on FPGA
- 液晶与显示 2019年34卷第8期页码：787-792
- 作者机构：
  
  中国科学院长春光学精密机械与物理研究所, 吉林长春 130033
- 作者简介：
  
  [ "白金成(1991-), 男, 吉林长春人, 硕士, 研究实习员, 2018年于天津大学获得硕士学位, 主要从事图像处理、数字信号处理方面的研究。E-mail:baijc@tju.edu.cn" ]
- 基金信息：
  
  国家自然科学基金(61705225)
- DOI：10.3788/YJYXS20193408.0787
  中图分类号： TN911.73
- 收稿日期：2019-03-23，
  
  录用日期：2019-4-12，
  
  纸质出版日期：2019-08-05
- 稿件说明：
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白金成. 基于FPGA的多路Cameralink数字图像光纤传输系统[J]. 液晶与显示, 2019,34(8):787-792.

Jin-cheng BAI. Optical fiber transmission for multi-channel Cameralink digital image based on FPGA[J]. Chinese journal of liquid crystals and displays, 2019, 34(8): 787-792.
白金成. 基于FPGA的多路Cameralink数字图像光纤传输系统[J]. 液晶与显示, 2019,34(8):787-792. DOI： 10.3788/YJYXS20193408.0787.

Jin-cheng BAI. Optical fiber transmission for multi-channel Cameralink digital image based on FPGA[J]. Chinese journal of liquid crystals and displays, 2019, 34(8): 787-792. DOI： 10.3788/YJYXS20193408.0787.

摘要

为了满足航空光电吊舱多路Cameralink数字图像传输的需要，设计了以可编程逻辑器件（FPGA）作为核心处理器的多路Cameralink数字图像光纤传输系统。利用编解码芯片完成了Cameralink数字图像输入输出的信号转换。设计了异步FIFO数据缓存模块，解决了像素时钟域与Aurora协议用户时钟域的匹配问题。采用Aurora 8 B/10 B协议进行图像数据的编码、转换，结合高性能的波分复用光模块完成多路数字图像的传输。实验结果表明，数字图像数据传输的误码率低于10

-12

，图像传输效果清晰稳定。能够应用于多路Cameralink数字图像的传输。

Abstract

In order to meet the needs of multi-channel Cameralink digital image transmission in aeronautical photoelectric pod

a multi-channel Cameralink digital image optical fiber transmission system with programmable logic device (FPGA) as the core processor is designed. The signal conversion of Cameralink digital image input and output is completed by using codec chip; the asynchronous FIFO data buffer module is designed to solve the matching problem between camera clock domain and Aurora protocol user clock domain; the image data is encoded and converted by using Aurora 8 B/10 B protocol

and the multi-channel digital image transmission is completed by combining with high performance wavelength division multiplexing optical module. The experimental results show that the error rate of digital image data transmission is less than 10

-12

and the image transmission effect is clear and stable. It can be applied to multi-channel cameralink digital image transmission.

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Keywords

references

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