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@misc{927601, author = {Hatlapatka, Radim and Sojka, Petr}, keywords = {JBIG2;compression;jbig2enc;PDF;PDF size optimization;EuDML;DML-CZ;OCR}, language = {eng}, institution = {Masarykova univerzita}, organization = {Masarykova univerzita}, title = {Recompression of Bitmaps in PDF using JBIG2 format}, url = {http://nlp.fi.muni.cz/projekty/eudml/pdfRecompression/}, year = {2010} }
TY - ID - 927601 AU - Hatlapatka, Radim - Sojka, Petr PY - 2010 TI - Recompression of Bitmaps in PDF using JBIG2 format KW - JBIG2;compression;jbig2enc;PDF;PDF size optimization;EuDML;DML-CZ;OCR UR - http://nlp.fi.muni.cz/projekty/eudml/pdfRecompression/ L2 - http://nlp.fi.muni.cz/projekty/eudml/pdfRecompression/ N2 - Software for automatization of lossy (re)compression of scanned bitmaps to standard JBIG2 with adaptive optimalization level of lossiness and compression. It can be used on any PDF files that contain bitonal images (e.g. created by scanning during digitization). On these types of files the space gained by recompression is often more than 50%. In addition, the quality of the rendered page is often better than before recompression, as character candidates used during recompression are averaged over all representants recognized (by OCR techniques) in given PDF. It has been applied on 30,000+ pages of http://dml.cz and has been also used in the EuDML project. The application has been described in the peer-reviewed publications like Sojka, P., Hatlapatka, R.: Document Engineering for a Digital Library: PDF recompression using JBIG2 and other optimization of PDF documents. In Proceedings of DocEng 2010 conference. ACM, 2010. p.3-12, ISBN 978-1-4503-0231-9 ER -
HATLAPATKA, Radim a Petr SOJKA. \textit{Recompression of Bitmaps in PDF using JBIG2 format}. 2010.
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