采用图像特征的激光干扰跟踪效果评估

钱方; 孙涛; 郭劲; 王挺峰; 王岩

doi:10.3788/YJYXS20142905.0805

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采用图像特征的激光干扰跟踪效果评估

成像技术与图像处理 | 更新时间：2020-08-12

- 采用图像特征的激光干扰跟踪效果评估
- Assessment of laser-dazzling effects on tracking through image feature measurements
- 液晶与显示 2014年29卷第5期页码：805-811
- 作者机构：
  
  1. 中国科学院大学北京,中国,100049
  2. 中国科学院长春光学精密机械与物理研究所激光与物质相互作用国家重点实验室,吉林长春,130033
- 作者简介：
- 基金信息：
  
  国家重点实验室自主基础研究（SKLLIM1203-01）()
- DOI：10.3788/YJYXS20142905.0805
  中图分类号： TN977
- 收稿日期：2014-01-09，
  
  修回日期：2014-01-23，
  
  纸质出版日期：2014-10-05
- 稿件说明：
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钱方, 孙涛, 郭劲, 王挺峰, 王岩. 采用图像特征的激光干扰跟踪效果评估[J]. 液晶与显示, 2014,29(5): 805-811

QIAN Fang, SUN Tao, GUO Jin, WANG Ting-feng, WANG Yan. Assessment of laser-dazzling effects on tracking through image feature measurements[J]. , 2014,29(5): 805-811
钱方, 孙涛, 郭劲, 王挺峰, 王岩. 采用图像特征的激光干扰跟踪效果评估[J]. 液晶与显示, 2014,29(5): 805-811 DOI： 10.3788/YJYXS20142905.0805.

QIAN Fang, SUN Tao, GUO Jin, WANG Ting-feng, WANG Yan. Assessment of laser-dazzling effects on tracking through image feature measurements[J]. , 2014,29(5): 805-811 DOI： 10.3788/YJYXS20142905.0805.

摘要

对于广泛应用于图像识别和跟踪的激光主动成像系统，激光干扰是影响该类系统性能的一个重要因素。激光干扰使系统中的光电成像元件达到饱和或损伤，在探测视场中出现光斑，从而使跟踪算法无法准确分辨目标和光斑。因此，分析并评估激光对主动成像系统的干扰效果是避免干扰的前提，同样也是重要的环节。提出一种基于图像特征的边缘相似度（ESIM）评价算法，该算法通过模板匹配确定图像的目标区域，并比较原始图像和干扰图像目标区域的亮度、对比度和边缘清晰度差异，得到归一化的评价指标，作为对激光干扰效果的评估标准。实验中分别采集了不同干扰功率和不同光斑位置的激光干扰图像，并利用相关跟踪和形心跟踪方法对目标进行跟踪，运用本文提出的ESIM算法从图像特征角度对干扰跟踪效果进行评估，结果证明ESIM能够合理评估干扰图像的失真程度，并可以较好地反映激光对主动成像系统跟踪性能的影响。

Abstract

Laser active imaging systems are widespread observation tools used to fulfill recognition and video-tracking. Laser-dazzling on imaging systems aims to saturate or damage the full camera image. If there is a laser spot in the field of view

the tracking system cannot distinguish between the target and the laser spot. In order to evaluate the dazzling effects of the laser and avoid such a disturbance

the assessment of laser-dazzling effects must be better understood. This paper proposes a new algorithm composed of edge similarity (ESIM). Luminance comparison

contrast comparison and edge definition comparison are computed for the original and disturbed images. Based on the results of the above

we could construct a modified assessment. In terms of experiment results

ESIM is efficacious to reflect the quality of tracking image and it can evaluate the laser dazzling effect on tracking successfully.

关键词

Keywords

references

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