A Study on Document Structure Recognition of Discharge Summaries for Analogous Case Search System

Recently, many paper-based documents used in hospitals are computerized because of diffusion of Clinical Information Systems (CIS). The demands for converting these documents into XML documents have been growing to re-use the information in these documents on the CIS. Previously, we proposed a recognition and XML generation method for tabular form discharge summary documents and conducted experiments to validate the effectiveness of the proposed method. The results show that documents with only characters and ruled lines are converted to XML documents appropriately. However, the documents with figures and dotted lines could not be converted in the experiment. In this paper, we propose the discrimination method to extract dotted lines and figures like schemas and so on. This paper describes the detail of the proposed method and shows the results of the experiments to validate the effectiveness of the proposed method. The problem of the proposed method and future works of this study are described at the end of this paper.