Knowledge Commons of Institute of Automation,CAS
Automatic change detection from SAR images based on fuzzy entropy principle | |
Pan Chunhong; Prinet Veronique; Yang Qing; Ma Songde | |
发表期刊 | CHINESE JOURNAL OF ELECTRONICS |
2007 | |
卷号 | 16期号:1页码:76-81 |
文章类型 | Article |
摘要 | In this paper, we propose a general framework for automatic change detection of flooded areas in bi-temporal Synthetic aperture radar (SAR) imagery. Based on the fuzzy entropy principle, a single thresholding method is proposed. The difference image which is generated by subtracting, one SAR image from the other one, pixel by pixel, can be divided into two classes: changed and unchanged. Due to noise, this single threshold decision procedure applied in the difference image is prone to two kinds of errors: false positives and false negatives. To cope with this problem, the threshold method is performed again on the two separate classes. As a result, the difference image can be divided into changed, unchanged, and unlabelled classes. The unlabelled class contains most of the ambiguous pixels that are responsible for false positive and false negative errors. In order to identify the true category of the pixels in this class, we adopt a voting procedure to compute the saliency of each unlabelled candidate pixel by analyzing the region configuration in the local neighborhood. Finally, according to the radiometric characteristics of water bodies in SAR images, some verification measures are carried out to identify water changes. |
关键词 | Change Detection Fuzzy Entropy Voting Homogeneous Regions Verification |
WOS标题词 | Science & Technology ; Technology |
关键词[WOS] | UNSUPERVISED CHANGE DETECTION |
收录类别 | SCI |
语种 | 英语 |
WOS研究方向 | Engineering |
WOS类目 | Engineering, Electrical & Electronic |
WOS记录号 | WOS:000243961700017 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://ir.ia.ac.cn/handle/173211/9389 |
专题 | 09年以前成果 |
作者单位 | Chinese Acad Sci, Inst Automat, Natl Lab Pattern Recognit, Beijing 100080, Peoples R China |
推荐引用方式 GB/T 7714 | Pan Chunhong,Prinet Veronique,Yang Qing,et al. Automatic change detection from SAR images based on fuzzy entropy principle[J]. CHINESE JOURNAL OF ELECTRONICS,2007,16(1):76-81. |
APA | Pan Chunhong,Prinet Veronique,Yang Qing,&Ma Songde.(2007).Automatic change detection from SAR images based on fuzzy entropy principle.CHINESE JOURNAL OF ELECTRONICS,16(1),76-81. |
MLA | Pan Chunhong,et al."Automatic change detection from SAR images based on fuzzy entropy principle".CHINESE JOURNAL OF ELECTRONICS 16.1(2007):76-81. |
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