Publication details

JBIG2 Supported by OCR



Year of publication 2012
Type Article in Proceedings
Conference DML 2012: Towards a Digital Mathematics Library
MU Faculty or unit

Faculty of Informatics

Field Informatics
Keywords jbig2enc; JBIG2; PDF size optimization; compression; DML; OCR; pdfJbIm; DML-CZ; EuDML
Description Digital Mathematical libraries contain a large volume of PDF documents containing scanned text. In this paper, we describe how this documents can be compressed and thus provide them more effectively to the users. We introduce a JBIG2 standard for compressing bitonal images such as scanned text and we discuss issues if OCR is used for improving the compression ratio of jbig2enc open-source encoder. For this purpose, we have designed API for using OCR in jbig2enc which we describe in this paper together with already achieved results.
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