Graphics extraction in a PDF document

Hui Chao

doi:10.1117/12.479683

13 January 2003 Graphics extraction in PDF document

Hui Chao

Proceedings Volume 5010, Document Recognition and Retrieval X; (2003) https://doi.org/10.1117/12.479683
Event: Electronic Imaging 2003, 2003, Santa Clara, CA, United States

Abstract

PDF is a document format for final presentation. It preserves the original document layout but often not the document logical structure. Graphic illustrations such as figures and tables in PDF often consist of ungrouped graphic primitives such as lines, curves and small text elements. In this paper, we present a bottom up approach to recognize graphic illustration in PDF document. Vicinities of page elements in both 2D space and indexes in layer are used to understand the logical connection between elements. Graphics recognition and elements grouping for illustration is an important part in understanding the document logical structure. This technique can be used in automatic figure extraction, document re-flow and document transformation.

Citation Download Citation

Hui Chao "Graphics extraction in PDF document", Proc. SPIE 5010, Document Recognition and Retrieval X, (13 January 2003); https://doi.org/10.1117/12.479683

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