CASIA OpenIR  > 09年以前成果
Entropy-Based Maximally Stable Extremal Regions for Robust Feature Detection
Cai, Huiwen1; Wang, Xiaoyan2; Xia, Ming2; Wang, Yangsheng1
2012
发表期刊MATHEMATICAL PROBLEMS IN ENGINEERING
文章类型Article
摘要Maximally stable extremal regions (MSER) is a state-of-the-art method in local feature detection. However, this method is sensitive to blurring because, in blurred images, the intensity values in region boundary will vary more slowly, and this will undermine the stability criterion that the MSER relies on. In this paper, we propose a method to improve MSER, making it more robust to image blurring. To find back the regions missed by MSER in the blurred image, we utilize the fact that the entropy of probability distribution function of intensity values increases rapidly when the local region expands across the boundary, while the entropy in the central part remains small. We use the entropy averaged by the regional area as a measure to reestimate regions missed by MSER. Experiments show that, when dealing with blurred images, the proposed method has better performance than the original MSER, with little extra computational effort.
WOS标题词Science & Technology ; Technology ; Physical Sciences
关键词[WOS]SCALE
收录类别SCI
语种英语
WOS研究方向Engineering ; Mathematics
WOS类目Engineering, Multidisciplinary ; Mathematics, Interdisciplinary Applications
WOS记录号WOS:000310308900001
引用统计
文献类型期刊论文
条目标识符http://ir.ia.ac.cn/handle/173211/10745
专题09年以前成果
作者单位1.Chinese Acad Sci, Inst Automat, Digital Interact Media Lab, Beijing 100190, Peoples R China
2.Zhejiang Univ Technol, Coll Comp Sci & Technol, Hangzhou 310023, Zhejiang, Peoples R China
推荐引用方式
GB/T 7714
Cai, Huiwen,Wang, Xiaoyan,Xia, Ming,et al. Entropy-Based Maximally Stable Extremal Regions for Robust Feature Detection[J]. MATHEMATICAL PROBLEMS IN ENGINEERING,2012.
APA Cai, Huiwen,Wang, Xiaoyan,Xia, Ming,&Wang, Yangsheng.(2012).Entropy-Based Maximally Stable Extremal Regions for Robust Feature Detection.MATHEMATICAL PROBLEMS IN ENGINEERING.
MLA Cai, Huiwen,et al."Entropy-Based Maximally Stable Extremal Regions for Robust Feature Detection".MATHEMATICAL PROBLEMS IN ENGINEERING (2012).
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