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A Fine-grained Extraction Method of Chapter Structure of Documents Based on PDF Layout Features
ZHAO Wanjing, LIU Minjuan, LIU Hongbing, WANG Xin, DUAN Feihu
Journal of library and information science in agriculture . 2021, (9): 93 -103 .  DOI: 10.13998/j.cnki.issn1002-1248.21-0237