Automatic detection of land cover change based on modified principal component analysis method
he fen-qin1; he zheng-wei2; 3; hu zhen-qi1; yin jian-zhong4; fang shi-bo51.institute of land reclamation and ecological restoration; china university of mining and technology; beijing 100083; china; 2.institute of digital land and ecological science; chengdu university of technology; chengdu 610059; china; 3.beijing municipal key laboratory for resource environment and geographic information system; captial normal university; beijing 100037; china; 4.state key laboratory of information engineering in surveying; mapping and remote sensing; wuhan university; wuhan 430079; china; 5.institute of botany; cas; beijing 100093; china
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