Semisupervised Pair-Wise Band Selection for Hyperspectral Images
Bai, Jun; Xiang, Shiming; Shi, Limin; Pan, Chunhong
2015-06-01
发表期刊IEEE JOURNAL OF SELECTED TOPICS IN APPLIED EARTH OBSERVATIONS AND REMOTE SENSING
卷号8期号:6页码:2798-2813
文章类型Article
摘要This paper proposes a new approach of band selection for classifying multiple objects in hyperspectral images. Different from traditional algorithms, we construct a semisupervised pair-wise band selection (PWBS) framework for this task, in which an individual band selection process is performed only for each pair of classes. First, the statistical parameters for spectral features of each class, including mean vectors and covariance matrices, are estimated by an expectation maximization approach in a semisupervised learning setting, where both labeled and unlabeled samples are employed for better performance. For each pair of classes, based on the estimated statistical parameters, Bhattacharyya distances between the two classes are calculated to evaluate all possible subsets of bands for classification. Second, as our proposed semisupervised framework, the PWBS followed by a binary classifier can be embedded into the semisupervised expectation maximization process to obtain posterior probabilities of samples on the selected bands. Finally, to evaluate the selected bands, all of the binary decisions obtained with multiple binary classifiers are finally fused together. Comparative experimental results demonstrate the validity of our proposed algorithm. The experimental results also prove that our band selection algorithm can perform well when the training set is very small.
关键词Band Selection Classification Hyperspecral Remote Sensing Semisupervised
WOS标题词Science & Technology ; Technology ; Physical Sciences
DOI10.1109/JSTARS.2015.2424433
关键词[WOS]SUPPORT VECTOR MACHINES ; DIMENSIONALITY REDUCTION ; MORPHOLOGICAL PROFILES ; DISCRIMINANT-ANALYSIS ; CLASSIFICATION ; SVM ; INFORMATION ; PARAMETERS ; REGRESSION ; ALGORITHM
收录类别SCI
语种英语
WOS研究方向Engineering ; Physical Geography ; Remote Sensing ; Imaging Science & Photographic Technology
WOS类目Engineering, Electrical & Electronic ; Geography, Physical ; Remote Sensing ; Imaging Science & Photographic Technology
WOS记录号WOS:000359264000042
引用统计
被引频次:6[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ia.ac.cn/handle/173211/8902
专题模式识别国家重点实验室_先进数据分析与学习
作者单位Chinese Acad Sci, Inst Automat, Natl Lab Pattern Recognit, Beijing 100190, Peoples R China
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GB/T 7714
Bai, Jun,Xiang, Shiming,Shi, Limin,et al. Semisupervised Pair-Wise Band Selection for Hyperspectral Images[J]. IEEE JOURNAL OF SELECTED TOPICS IN APPLIED EARTH OBSERVATIONS AND REMOTE SENSING,2015,8(6):2798-2813.
APA Bai, Jun,Xiang, Shiming,Shi, Limin,&Pan, Chunhong.(2015).Semisupervised Pair-Wise Band Selection for Hyperspectral Images.IEEE JOURNAL OF SELECTED TOPICS IN APPLIED EARTH OBSERVATIONS AND REMOTE SENSING,8(6),2798-2813.
MLA Bai, Jun,et al."Semisupervised Pair-Wise Band Selection for Hyperspectral Images".IEEE JOURNAL OF SELECTED TOPICS IN APPLIED EARTH OBSERVATIONS AND REMOTE SENSING 8.6(2015):2798-2813.
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