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Journal of Zhejiang University SCIENCE C

, Volume 11, Issue 11, pp 882–892 | Cite as

CMSOF: a structured data organization framework for scanned Chinese medicine books in digital libraries

  • Jie Yuan
  • Bao-gang Wei
  • Li-dong Wang
  • Wei-ming Lu
  • Yue-ting Zhuang
Article

Abstract

Organizing unstructured information from books into a well-defined structure is a significant challenge in digital libraries. Most digital libraries can provide only search services at the granularity of books and few libraries allow books to be accessed at the granularity of chapters, as manually constructing directory information for books is time-consuming. Extracting structured data from scanned books thus remains an urgent and important work. In this paper, we propose a novel structured data organization framework called CMSOF to organize scanned data automatically, and apply it to a Chinese medicine digital library. In the framework, image blocks and text blocks on the scanned page of books are separated based on the gray histogram projection method or a hybrid method of region growth and the Ada-Boosting classifier at first, and then the text structure is obtained from text blocks by text size and font type recognition. Finally, image blocks and structured OCRed text are correlated at the semantic level. By integrating the structured data into a Chinese medicine information system (CMIS), we can organize the Chinese medicine books well and users can access the books with flexibility, which indicates that CMSOF is an efficient framework to organize books mixed with images and text.

Key words

Digital library Chinese medicine Structured data organization Cross media Image separation 

CLC number

TP391.4 

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Copyright information

© ?Journal of Zhejiang University Science? Editorial Office and Springer-Verlag Berlin Heidelberg 2010

Authors and Affiliations

  • Jie Yuan
    • 1
  • Bao-gang Wei
    • 1
  • Li-dong Wang
    • 1
  • Wei-ming Lu
    • 1
  • Yue-ting Zhuang
    • 1
  1. 1.School of Computer Science and TechnologyZhejiang UniversityHangzhouChina

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