Design and Realization of Simulative Image Compression Resource System of Space Camera

ZHU Peng; JIN Long-xu; LI Guo-ning; LI Jin; ZHAO Yun-long

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Design and Realization of Simulative Image Compression Resource System of Space Camera

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

- Design and Realization of Simulative Image Compression Resource System of Space Camera
- Chinese Journal of Liquid Crystals and Displays Vol. 27, Issue 4, Pages: 563-568(2012)
- 作者机构：
  
  1. 中国科学院长春光学精密机械与物理研究所,吉林长春,中国,130033
  2. 中国科学院研究生院北京,100049
- 作者简介：
- 基金信息：
- DOI：
  CLC： TP391;TN431.2
- Received：17 February 2012，
  
  Revised：02 May 2012，
  
  Published Online：15 August 2012，
  
  Published：15 August 2012
- 稿件说明：
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朱鹏, 金龙旭, 李国宁, 李进, 赵运隆. 空间相机图像压缩模拟源的设计与实现[J]. 液晶与显示, 2012,(4): 563-568

ZHU Peng, JIN Long-xu, LI Guo-ning, LI Jin, ZHAO Yun-long. Design and Realization of Simulative Image Compression Resource System of Space Camera[J]. , 2012,(4): 563-568
朱鹏, 金龙旭, 李国宁, 李进, 赵运隆. 空间相机图像压缩模拟源的设计与实现[J]. 液晶与显示, 2012,(4): 563-568 DOI：

ZHU Peng, JIN Long-xu, LI Guo-ning, LI Jin, ZHAO Yun-long. Design and Realization of Simulative Image Compression Resource System of Space Camera[J]. , 2012,(4): 563-568 DOI：

摘要

为了解决在CCD与地面实时压缩系统对接时造成的时间和物力的浪费

提高地面实时压缩系统测试效率

文章设计了一种图像压缩模拟源系统

可以模拟CCD相机输出

来代替CCD相机与地面实时压缩系统进行对接。该系统采用FPGA 实现模拟源的时序与逻辑控制

利用内部逻辑生成自校图像

或通过USB2.0总线接口与PC机进行数据通信

将模拟源图像通过缓存SDRAM下载到FLASH中。采用同步串行LVDS接口

高速Gbps接口和Camera Link接口

实现数据与压缩存储单元的高速传输。实验表明

该图像压缩模拟源从USB接口下载速度达40 Mbyte/s

在与以上3种接口传输数据时

无误码和数据丢失

该系统稳定可靠。

Abstract

In order to resolve the problem which is the large cost of time and material resources when the ground real-time compression storage unit needs connect to the CCD camera

and improve the efficiency of the testing the ground real-time compression storage system

the image simulator system is designed and uses FPGA to realize the timing and logic control. The data is communicated between the USB 2.0 bus interface and the PC

and downloaded to FLASH. Meanwhile the self-check figure created by FPGA also simulates CCD output. And in order to make sure the high-speed transmission between data and space camera real-time compression storage unit

the system uses synchronous serial LVDS interface and high-speed Gbps interface and Camera Link interface. The result proves that the speed of data download comes to 40 Mbyte/s from USB interface

and there’s no fault and lose when data transmitted between synchronous serial LVDS interface and high-speed Gbit/s interface. So the system is stable and reliable.

关键词

Keywords

references

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