DMLCZ Scanning and adjusting the images Martin Lhotk

DML-CZ: Scanning and adjusting the images Martin Lhoták Academy of Sciences Library Launching the

DML-CZ Workflow 1. 2. 3. 4. 5. 6. Preparation Scanning and adjusting the images

Content 1. 2. 3. 4. 5. 6. 7. Digitization Centre of the AS Library

Digitization Centre of the AS Library • • In operation since 1. 1. 2004

The Academy of Science of the Czech Republic • • • > 50 scientific

Digitization Centre of the AS Library • • • 2 x A 2 bw

DML-CZ: Scanning • • • 2 x A 2 bw scanners Zeutschel OS 7000

Image Adjusting • • Software Book Restorer from i 2 S Designed to process

Basic Metadata • • • XML (DTD of The Czech National Library) Title basic

OCR Fine Reader 8. 1 • 2 runs: - 1. to recognize language of

Back up and movement of the data • Main steps and outputs: 1. scanning

Production for DML-CZ till now • • Scanning: Image adjust. : Basic metadata: OCR:

Alternative output of the Acad. of Sci. mathematic http: //kramerius. lib. cas. cz Launching

Thank you! Questions? Martin Lhoták lhotak@knav. cz www. knav. cz Launching the DML-CZ

Slides: 31

Download presentation

DML-CZ: Scanning and adjusting the images Martin Lhoták Academy of Sciences Library Launching the DML-CZ 11. 5. 2008 Prague Launching the DML-CZ

DML-CZ Workflow 1. 2. 3. 4. 5. 6. Preparation Scanning and adjusting the images OCR Metadata harvesting (MR, ZBL) Integration Digital Library Launching the DML-CZ

Content 1. 2. 3. 4. 5. 6. 7. Digitization Centre of the AS Library Scanning Adjusting the images Basic metadada OCR Back up and movement of the data Production till now Launching the DML-CZ

Digitization Centre of the AS Library • • In operation since 1. 1. 2004 Builded with support from EU Solidarity fund after floods in Czechia in 2002 Main aim - to build a digital library of scientific publications, published in the Academy of Science of the Czech Rep. Digital Library of ASCR Partner of DML-CZ project since 2005 Launching the DML-CZ

The Academy of Science of the Czech Republic • • • > 50 scientific institutes 7500 employees, (4000 R&D) > 11 000 articles, reports, etc. a year publish > 90 journals (circa 3000 articl. ) > 100 years history Launching the DML-CZ

Digitization Centre of the AS Library • • • 2 x A 2 bw scanners Zeutschel OS 7000 1 x A 1 color scanner Digibook 10000 1 x A 4 fast production scan. Panasonic Staff – 8 to 10 people Monthly production 40 - 50. 000 pages Overall production > 2. 000 pages Launching the DML-CZ

DML-CZ: Scanning • • • 2 x A 2 bw scanners Zeutschel OS 7000 600 DPI 4 bit greyscale 1 page = 1 file usually A 5 TIFF with lossless LZW compression circa 10 MB Launching the DML-CZ

Launching the DML-CZ

Image Adjusting • • Software Book Restorer from i 2 S Designed to process scanned books Geometrical correction Crop Blur Binarization Despecle Launching the DML-CZ

Launching the DML-CZ

Basic Metadata • • • XML (DTD of The Czech National Library) Title basic biblographic data Physical size of the journal Numbers of pages Software Sirius (CZ) Launching the DML-CZ

Launching the DML-CZ

OCR Fine Reader 8. 1 • 2 runs: - 1. to recognize language of paragraph - 2. to do OCR with right language OCR workflow developed by team of Dr. P. Sojka • • Output – double layer PDF: - 1. layer scanned picture - 2. layer „OCRed“ text Launching the DML-CZ

Back up and movement of the data • Main steps and outputs: 1. scanning – TIFF 2. image adjust. and basic metadata – TIFF, XML 3. OCR – PDF • After each step above: One copy to server in Brno Two copies on LTO tapes Launching the DML-CZ

Production for DML-CZ till now • • Scanning: Image adjust. : Basic metadata: OCR: 97 268 pages 123 961 pages 96 009 pages 126 278 pages Disproportion: some data was obtained from GDZ Goettingen Launching the DML-CZ

Alternative output of the Acad. of Sci. mathematic http: //kramerius. lib. cas. cz Launching the DML-CZ

Thank you! Questions? Martin Lhoták lhotak@knav. cz www. knav. cz Launching the DML-CZ