Structure Extraction from Presentation Slide Information

Authors:
Tessai Hayama;Hidetsugu Nanba;Susumu Kunifuji
Affiliations:
Graduate School of Knowledge Science, Japan Advanced Institute of Science and Technology, Ishikawa, Japan;Faculty of Information Sciences, Hiroshima City University, Hiroshima, Japan;Graduate School of Knowledge Science, Japan Advanced Institute of Science and Technology, Ishikawa, Japan
Venue:
PRICAI '08 Proceedings of the 10th Pacific Rim International Conference on Artificial Intelligence: Trends in Artificial Intelligence
Year:
2008

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Abstract

Electronic presentations are used in numerous scenarios, such as lectures and meetings. In recent years, the widespread use of electronic presentations means that presentation slide data is increasing as one of industry's most important information resources. Therefore, it is necessary to develop a practical usage method for the reutilisation of the data on slides. An approach to achieve this is to focus on visual structure information within a slide, because visual structure information is one of the most valuable, easy to understand methods for humans. However, since visual structure information is not explicitly defined in the slide data itself, computers have difficulty comprehending structure information directly. In this paper, we propose a method of extracting structure information from slide information. The proposed method is composed of two steps: organising objects within the slide as units, such as title, body text, figure and table, and structuring the units as a hierarchy tree based on a top-down approach.