Recognition method and device for page headers and page footers of format electronic document

Abstract

The invention discloses a recognition method and device for page headers and page footers of a format electronic document. The method comprises the steps that multiple pages of the format electronic document are analyzed, and text content of all text lines contained in all pages is obtained; the text content of all the text lines in all the pages is traversed, and whether the text lines meet the characteristics of page headers and page footers is judged; the text lines where the page headers and the page footers are located are determined according to judging results. By means of the recognition method and device, whether a line in the document is the page header or the page footer is recognized through backstepping according to the similarity of content on multiple pages on a certain line and pages obtained based on the similarity; according to the method, the characteristic values and positions of page headers and pager footers have no pure definition, the coverage rate to current documents is greatly improved, and high recognition accuracy is achieved.

Description

technical field [0001] The present application relates to the technical field of document identification, in particular to a method and device for identifying headers and footers of formatted electronic documents. Background technique [0002] With the popularity of handheld terminal devices, people have more and more demands for reading on handheld terminal devices. As content carriers, most of the current electronic documents are converted from typesetting tools and typesetting files in PDF format. The main format electronic file, the pages of this file are usually large, which is not suitable for reading on handheld terminals or devices with small screens. At present, the file format that is more suitable for reading on the handheld device is a file format based on streaming, such as an epub (Electronic Publication, electronic publishing) format file. In this file format, the number of pages and layout of the document will be disturbed when reading, and the reader also n...

AI Technical Summary

Problems solved by technology

When using the above two methods to identify the header and footer of the document, the requirements for the feature value of the document are very high. If the document does not have a corresponding feature value, the accuracy of the recognition is difficult to guarantee.

For example, the method of determining the header and footer according to the horizontal line at the top of the page is only suitable for documents that meet this characteristic. Useful for documents where the header and footer appear above and below the document

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