Image retrieval from scientific publications: Text and image content processing to separate multipanel figures

Emilia Apostolova, Daekeun You, Zhiyun Xue, Sameer Antani, Dina Demner‐Fushman and George R. Thoma

Journal of the American Society for Information Science and Technology, 2013, vol. 64, issue 5, 893-908

Abstract: Images contained in scientific publications are widely considered useful for educational and research purposes, and their accurate indexing is critical for efficient and effective retrieval. Such image retrieval is complicated by the fact that figures in the scientific literature often combine multiple individual subfigures (panels). Multipanel figures are in fact the predominant pattern in certain types of scientific publications. The goal of this work is to automatically segment multipanel figures—a necessary step for automatic semantic indexing and in the development of image retrieval systems targeting the scientific literature. We have developed a method that uses the image content as well as the associated figure caption to: (1) automatically detect panel boundaries; (2) detect panel labels in the images and convert them to text; and (3) detect the labels and textual descriptions of each panel within the captions. Our approach combines the output of image‐content and text‐based processing steps to split the multipanel figures into individual subfigures and assign to each subfigure its corresponding section of the caption. The developed system achieved precision of 81% and recall of 73% on the task of automatic segmentation of multipanel figures.

Date: 2013
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Persistent link: https://EconPapers.repec.org/RePEc:bla:jamist:v:64:y:2013:i:5:p:893-908

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