激光干扰图像质量的交叉熵评估

doi:10.3969/j.issn.1001-2400.2014.05.022

J4 ›› 2014, Vol. 41 ›› Issue (5): 129-134.doi: 10.3969/j.issn.1001-2400.2014.05.022

激光干扰图像质量的交叉熵评估

刘飞¹;邵晓鹏¹;韩平丽¹;相里斌^1,2;任勐³

(1. 西安电子科技大学物理与光电工程学院，陕西西安 710071；
2. 中国科学院光电研究院，北京 100094;
3. 西安现代控制技术研究所，陕西西安 710065)

收稿日期:2013-06-23 出版日期:2014-10-20 发布日期:2014-11-27
作者简介:刘飞(1986-)，男，西安电子科技大学博士研究生，E-mail：sherwin1986@163.com．
基金资助:
陕西省留学人员科技活动择优资助项目(68DP1204)

Quality assessment of the laser disturbing image utilizing cross entropy

LIU Fei¹;SHAO Xiaopeng¹;HAN Pingli¹;XIANGLI Bin^1,2;REN Meng³

(1. School of Physics and Optoelectronic Engineering, Xidian Univ., Xi'an 710071, China;
2. Academy of Opto-electronics, Chinese Academy of Sciences, Beijing 100094, China;
3. Xi'an Institute of Modern Control Technology, Xi'an 710065, China)

Received:2013-06-23 Online:2014-10-20 Published:2014-11-27

摘要/Abstract

摘要：

针对光电对抗中成像制导武器易受激光干扰的问题，结合制导跟踪原理和抗干扰机理，提出了利用图像的交叉熵来对其干扰质量进行评估的方法．根据信息论中熵的概念，分析了干扰前后图像之间的相似度关系；充分利用图像熵的优点，综合考虑激光干扰图像的质量评估流程，建立了激光干扰图像质量评估函数，分别从理论和实验上分析了评估函数对激光干扰图像质量评价的有效性．与其他方法相比，该方法能够准确地获得激光干扰成功时的阈值，广泛适用于激光干扰成像制导武器的图像质量评估．

关键词: 交叉熵, 图像质量评估, 光学寻的器, 相关峰

Abstract:

A method for assessing the quality of disturbed image uses the cross entropy of the image for the problem that the imaging-guided weapons are liable to suffer laser interference by combining with the principles of guided tracking and anti-jamming mechanism. It is on the basis of the concept of cross-entropy in information theory that the method is presented. Analyses of similarity between images before and after disturbing are made to decide the evaluation function which combines the advantages of cross-entropy and the process of image quality assessment. The validity of the function derived is analyzed theoretically and experimentally. Experimental results are presented, and the method for the quality assessment of the laser disturbed image based on cross entropy can accurately obtain the threshold when laser interference is successful, so it is widely applicable to laser disturbing image quality assessment.

Key words: cross entropy, image quality assessment, optical seeker, correlation peak

中图分类号:

TN977

刘飞;邵晓鹏;韩平丽;相里斌;任勐. 激光干扰图像质量的交叉熵评估[J]. J4, 2014, 41(5): 129-134.

LIU Fei;SHAO Xiaopeng;HAN Pingli;XIANGLI Bin;REN Meng. Quality assessment of the laser disturbing image utilizing cross entropy[J]. J4, 2014, 41(5): 129-134.

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激光干扰图像质量的交叉熵评估

Quality assessment of the laser disturbing image utilizing cross entropy

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