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低信噪比红外图像直线段检测算法
Alternative TitleLine segment detection in low-SNR infrared image
艾锐; 史泽林; 张程硕
Department光电信息技术研究室
Source Publication红外与激光工程
ISSN1007-2276
2013
Volume42Issue:1Pages:278-284
Indexed ByEI ; CSCD
EI Accession number20131316153599
CSCD IDCSCD:4782870
Contribution Rank1
Funding Organization国家973计划
Keyword直线段检测 低信噪比红外图像 局部非各向同性度 相位编组 背景反例模型
Abstract因梯度场计算受噪声影响严重,直线段检测是低信噪比红外图像处理的一个难点。文中利用直线区域的相位分布具有显著非各向同性的基本事实,通过度量图像点邻域内的非各向同性度来区分直线点和非直线点。定义了图像的局部非各向同性度并给出了计算子,结合相位编组和背景反例模型,提出了一种能有效抑制噪声影响的新的直线段提取算法。实验表明,该算法能有效检测出低信噪比图像中的直线段,并具有很低的虚警率。
Other AbstractLine segment detection in low-SNR infrared image is difficult as the gradient field calculation is badly affected by noise. In this paper, a new approach was presented to distinguish line elements and non-line ones in an image according to the fact that gradient field phase distribution of a line area distinctly appears non-isotropic. Local non-isotropy was defined and a calculating operator was presented. By combing phase-grouping algorithm and contrario detection framework, a new line segments detection algorithm was proposed. Experimental results indicate that the algorithm can effectively detect line segments in low-SNR images with a low false alarm rate.
Language中文
Citation statistics
Cited Times:4[CSCD]   [CSCD Record]
Document Type期刊论文
Identifierhttp://ir.sia.cn/handle/173321/10532
Collection光电信息技术研究室
Corresponding Author艾锐
Affiliation1.中国科学院沈阳自动化研究所
2.中国科学院大学
3.中国科学院光电信息处理重点实验室
Recommended Citation
GB/T 7714
艾锐,史泽林,张程硕. 低信噪比红外图像直线段检测算法[J]. 红外与激光工程,2013,42(1):278-284.
APA 艾锐,史泽林,&张程硕.(2013).低信噪比红外图像直线段检测算法.红外与激光工程,42(1),278-284.
MLA 艾锐,et al."低信噪比红外图像直线段检测算法".红外与激光工程 42.1(2013):278-284.
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