帧转移型CCD成像降质因素与层次分析图像质量评价模型研究

doi:10.3969/j.issn.1007-5461.2026.05.006

量子电子学报 ›› 2026, Vol. 43 ›› Issue (5): 735-747.doi: 10.3969/j.issn.1007-5461.2026.05.006

帧转移型CCD成像降质因素与层次分析图像质量评价模型研究

叶晨 1,2,3, 骆冬根 1,3*, 王羿 1,3, 姚萍萍 1,3, 李扬 1,2,3, 洪津 1,3

1 中国科学院合肥物质科学研究院安徽光学精密机械研究所, 安徽合肥 230031; 2 中国科学技术大学, 安徽合肥 230026; 3 中国科学院通用光学定标与表征技术重点实验室, 安徽合肥 230031

收稿日期:2023-06-21 修回日期:2023-11-03 出版日期:2026-09-28 发布日期:2026-09-30
通讯作者: E-mail: dgluo@aiofm.ac.cn E-mail:dgluo@aiofm.ac.cn
作者简介:叶晨 ( 1998 - ), 女, 安徽黄山人, 研究生, 主要从事光学遥感成像载荷仿真与分析方面的研究。E-mail: chye@mail.ustc.edu.cn
基金资助:
高分辨对地观测系统重大专项 (民用部分) (30-Y20A19-9007-15/17), 王宽诚教育基金"先进偏振遥感技术与应用国际团队"(GJTD- 2018-15)

Research on degradation factors of frame transfer CCD imaging and image quality assessment model with analytic hierarchy process

YE Chen 1,2,3, LUO Donggen 1,3*, WANG Yi 1,3, YAO Pingping 1,3, LI Yang 1,2,3, HONG Jin 1,3

1 Anhui Institute of Optics and Fine Mechanics, HFIPS, Chinese Academy of Sciences, Hefei 230031, China; 2 University of Science and Technology of China, Hefei 230026, China; 3 Key Laboratory of Optical Calibration and Characterization, Chinese Academy of Sciences, Hefei 230031, China

Received:2023-06-21 Revised:2023-11-03 Published:2026-09-28 Online:2026-09-30
Supported by:

摘要/Abstract

摘要： 帧转移型CCD 探测器是空间画幅式成像光学遥感器的典型应用器件, 其成像质量受多种因素影响。因此, 探究帧转移型CCD 成像降质的关键因素及其对遥感图像质量的影响具有重要意义。本文首先分析了主要降质因素的产生机理并建立了相应模型, 包括光子泊松噪声模型、暗电流及暗电流噪声模型以及帧转移型CCD 特有的帧转移效应模型。在此基础上, 将遥感器参数设置为典型成像参数进行遥感图像仿真, 选取平均梯度、信息熵、图像二维功率谱系数三个不同维度的指标, 结合层次分析法构建遥感图像质量评价模型, 并利用图像质量评价系数相对评价了图像质量的变化。数值矩阵分析结果表明, 在三种降质因素中, 光子泊松噪声对图像质量评价系数的影响最大, 导致系数降幅达41.80%, 暗电流及暗电流噪声的影响次之, 帧转移效应的影响最小。该遥感图像质量评价模型能够较客观地评价降质因素对图像质量的影响程度, 在载荷性能测试、在轨遥感数据质量评价、成像电路性能评价及故障诊断、数据预处理评价等方面都具有推广应用价值。

关键词: 光学遥感成像, 图像质量评价, 层次分析法, 帧转移型CCD, 成像降质因素

Abstract:

Frame transfer CCDs are the most commonly selected imaging detectors for spaceborne framebased

imaging remote sensors, and their image quality is influenced by numerous factors. Therefore, it is essential to investigate the key factors affecting the degradation of frame transfer CCD imaging and their
respective impacts on remote sensing image quality. This paper first analyzes the generation mechanisms
of major degradation factors and establishes corresponding models, including photon Poisson noise
model, dark current and dark current noise model, and frame transfer effect model unique to frame
transfer CCDs. Then on this basis, the remote sensor parameters are set as typical imaging parameters,
and an assessment model for remote sensing image quality is constructed by combining the three different
dimensions of indicators, namely average gradient, information entropy, and two-dimensional power
spectrum coefficient based on the analytic hierarchy process. Finally, the image quality assessment
coefficient is employed to evaluate relative changes in image quality. Numerical matrix analysis results
indicate that among the three degradation factors, photon Poisson noise exerts the greatest influence on
the image quality evaluation coefficient, resulting in a 41.80% decrease, followed by dark current and
dark current noise, while frame transfer effect has the smallest impact. This image quality assessment
model can objectively evaluate the influence of degradation factors on image quality and thus can be
widely applied in performance testing of imaging remote sensing instruments, on-orbit remote sensing
data quality evaluation, imaging circuit performance assessment and fault diagnosis, data preprocessing
evaluation and so on.

Key words: optical remote sensing imaging, image quality assessment, analytic hierarchy process, frame transfer CCD, degradation factors of imaging

叶晨 , 骆冬根 , 王羿 , 姚萍萍 , 李扬 , 洪津 , . 帧转移型CCD成像降质因素与层次分析图像质量评价模型研究[J]. 量子电子学报, 2026, 43(5): 735-747.

YE Chen , LUO Donggen , WANG Yi , YAO Pingping , LI Yang , HONG Jin , . Research on degradation factors of frame transfer CCD imaging and image quality assessment model with analytic hierarchy process[J]. Chinese Journal of Quantum Electronics, 2026, 43(5): 735-747.

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帧转移型CCD成像降质因素与层次分析图像质量评价模型研究

Research on degradation factors of frame transfer CCD imaging and image quality assessment model with analytic hierarchy process

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