CCD动态响应特性的测试与建模

韩峰; 杨少栋; 包晓艳; 白福忠

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CCD动态响应特性的测试与建模

更新时间：2026-09-14

- CCD动态响应特性的测试与建模
- CCD动态响应特性的测试与建模
- Issue 3, (2011)
- 作者机构：
  
  1. 内蒙古工业大学机械学院
  2. 中国科学院光电技术研究所
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2011
- 稿件说明：
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韩峰, 杨少栋, 包晓艳, et al. CCD动态响应特性的测试与建模[J]. 2011, (3).
DOI：

韩峰, 杨少栋, 包晓艳, et al. CCD动态响应特性的测试与建模[J]. 2011, (3). DOI：

摘要

CCD图像传感器与景物有相对运动时

传感器动态响应特性对成像质量具有显著影响

通常表现为图像模糊、目标物体几何尺寸和灰度失真.通过对CCD工作原理的分析

设计了测试动态特性的试验方案

提取了运动图像上能够反映CCD响应特性的像元灰度数据

通过基于最小二乘法的数据分析完成了动态特性的建模.研究结果表明:CCD传感器动态响应特性可采用修正的一阶系统模型表示

其拟合误差约为0.2

模型精度较高.提出的动特性测试方法实用性强

可解决一般机器视觉及相关动态影像问题.

Abstract

The dynamic response of image sensors has a salient effect on the image quality

characterized by image blurring

the distortion of geometrical size and gray of objects

when the sensor is moving relatively to sceneries.A particular experimental setup was designed upon the mechanism of charge coupled device(CCD)

the gray data containing the response information were extracted from the concerned pixels of the motion image

and then the dynamic characteristic was modeled by processing the extracted gray data with Least-square algorithm.The result indicated that the dynamic response of CCD sensors could be expressed as an amendatory first-order system

a model with agreeable accuracy due to the fitting error approximating to 0.2.The testing method is practical and can resolve the general problems in both machine vision and related dynamic images.

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