Architecture Design of 5/3 Lifting Wavelet in FPGA with Dynamic RAMs and its Applications

NING Yong-hui; GUO Yong-fei; MA Tian-bo; XUE Xu-cheng

doi:10.3788/YJYXS20132806.0927

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Architecture Design of 5/3 Lifting Wavelet in FPGA with Dynamic RAMs and its Applications

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

- Architecture Design of 5/3 Lifting Wavelet in FPGA with Dynamic RAMs and its Applications
- Chinese Journal of Liquid Crystals and Displays Vol. 28, Issue 6, Pages: 927-932(2013)
- 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,130033
  2. 中国科学院大学, 北京 100049
- 作者简介：
- 基金信息：
- DOI：10.3788/YJYXS20132806.0927
  CLC： O753.2
- Received：17 January 2013，
  
  Revised：12 April 2013，
  
  Published：15 December 2013
- 稿件说明：
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宁永慧, 郭永飞, 马天波, 薛旭成. 5/3提升小波的FPGA动态RAM结构设计及其应用[J]. 液晶与显示, 2013,28(6): 927-932

NING Yong-hui, GUO Yong-fei, MA Tian-bo, XUE Xu-cheng. Architecture Design of 5/3 Lifting Wavelet in FPGA with Dynamic RAMs and its Applications[J]. , 2013,28(6): 927-932
宁永慧, 郭永飞, 马天波, 薛旭成. 5/3提升小波的FPGA动态RAM结构设计及其应用[J]. 液晶与显示, 2013,28(6): 927-932 DOI： 10.3788/YJYXS20132806.0927.

NING Yong-hui, GUO Yong-fei, MA Tian-bo, XUE Xu-cheng. Architecture Design of 5/3 Lifting Wavelet in FPGA with Dynamic RAMs and its Applications[J]. , 2013,28(6): 927-932 DOI： 10.3788/YJYXS20132806.0927.

摘要

为了改善高分辨率TDICCD成像系统图像数据的高速传输特性，设计了FPGA内部实现5/3提升小波的动态RAM结构。该结构通过循环利用同一RAM资源进行图像数据的同时读写，解决了5/3提升小波在FPGA实现过程中的RAM不足问题，提高了RAM资源利用的有效性。试验表明，5/3提升小波在FPGA内部的动态RAM实现过程，具有实时性高、可靠性好、占用资源较小等优点。该方法在图像预压缩、图像去噪、图像实时传输等方面有重要的意义。5/3提升小波在FPGA中的动态实现，完成了5行数据存储的提升小波处理过程，增强了星上实时数据的处理能力，为后续程序的开发奠定了基础。

Abstract

In order to improve the transmission performances of the high speed image transmission data in TDICCD imaging system

it designed the new structure with dynamic RAMs for designing 5/3 lifting wavelets in FPGA. It solved the problem that the RAMs in FPGA were not adequate in some applications by using the same RAM in loops and reading-or-writing

which improved the ability of the RAM used efficiency. The simulation results also indicated that the new structure was better at the aspects of high speed

high reliability

low resource used ratio. The structure could be used in image pre-compress

image de-noise

image transmission and other areas. The new structure of the 5/3 lifting wavelets implementation in FPGA

within 5 lines image storage finishing the processing

enhanced the processing ability of the image data in aero-space camera. It created a new way of data real-time process in space.

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references

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