Aliasing Noise Processing Methods in Push-Broom CCD Remote Sensing Imaging System

CHI Xue-fen; HAN Chang-yuan; JIN Hui

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Aliasing Noise Processing Methods in Push-Broom CCD Remote Sensing Imaging System

更新时间：2025-07-16

- Aliasing Noise Processing Methods in Push-Broom CCD Remote Sensing Imaging System
- Acta Electronica Sinica Vol. 31, Issue 9, Pages: 1323-1326(2003)
- 作者机构：
  
  1. 吉林大学通信工程学院,吉林,长春,130012
  2. 中国科学院长春光学精密机械与物理研究所,吉林,长春,130021
  3. 北京邮电大学继续教育学院,北京,100876
  4. 吉林大学通信工程学院吉林长春,130012
  5. 中国科学院长春光学精密机械与物理研究所吉林长春,130021
  6. 北京邮电大学继续教育学院北京,100876
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN919.82
- Published：2003
- 稿件说明：
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CHI Xue-fen, HAN Chang-yuan, JIN Hui. Aliasing Noise Processing Methods in Push-Broom CCD Remote Sensing Imaging System[J]. Acta Electronica Sinica, 2003, 31(9): 1323-1326.
DOI：

CHI Xue-fen, HAN Chang-yuan, JIN Hui. Aliasing Noise Processing Methods in Push-Broom CCD Remote Sensing Imaging System[J]. Acta Electronica Sinica, 2003, 31(9): 1323-1326. DOI：

摘要

欠采样噪声产生分布于整个画面的小尺寸附加像

给目标识别等应用带来困难.本文推导并优化了CCD图像捕捉系统中消欠采样噪声算法

提出新的CCD推扫和采样数据处理方法

在CCD只能有推扫方向位移的遥感成像应用条件下

消除了图像中的欠采样噪声.扫描位移误差小于CCD间隔的1/4范围内

能消除或减小欠采样噪声.图像处理实验结果证明了欠采样噪声处理方法的正确性和有效性.

Abstract

The small-scale artifacts generated by aliasing noise existing everywhere in an image

bring difficulties to some applications

such as target identification.Eliminating aliasing noise algorithm used in push-broom CCD image gathering system is derived and optimized.The strategies for CCD push-broom scanning and the novel methods for data processing are proposed.Aliasings in image are eliminated although CCD array can only move in one direction in remote sensing imaging system.The relative scan error must be less than 1/4 of CCD interval.The results of images processing experiments verify the validity of aliasing noise processing methods.

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