General publications

IMPACT events

Scientific publications

2011

• Balk, H. “IMPACT: Centre of Competence in Text Digitisation”. Presentation given at the3rd LIBER-EBLIDA Workshop on Digitization of Library Material in Europe, 5-7 October 2011, KB, The Hague, Netherlands.
•  Balk, H. “The IMPACT Centre of Competence in Text Digitisation”. Presentation given at eChallenges 2011, 26-28 October 2011, Florence, Italy.
• Bordes, I.IMPACT implicación de la BNE-UA (Universidad  de Alicante) y resultados preliminares del proyectoPresentation given (in Spanish) at FESABID, XII Jornadas Españolas de Documentación, 25-27 May 2011, Malaga, Spain.
• Conteh, A. IMPACT: a centre of competence in text digitisationLIBER Annual Conference 2011, 29 June - 2 July 2011, Barcelona, Spain.
• Conteh, A. and N. Fitzgerald, “Digitising the world’s knowledge”. In: M&H magazine, Winter 2010, p. 33-34.
• Fischer, M.O. “Verbesserter Zugang zu historischen Texten - Demonstration einiger Werkzeuge des Projekts IMPACT” Presentation given (in German) at the Deutsche Bibliothekartag, 7-10 June 2011, Berlin, Germany.
• Freyre, E.Les Bibliothèques nationales et l’Europe(French article). In: Bulletin des bibliothèques de France 2011, vol. 56, no. 2, p. 56-59.
• Jerele, I, T. Erjavec, A. Kavcic-Colic and D. Pokorn, “Optical Character Recognition Problems in Mass Digitization of Historical Newspapers and Journals: End-User Focused Applicative Solutions for Slovenian Newspapers from the 18th to the 20th Century”. Presentation given at The Sixth SEEDI Conference on Digitization of Cultural and Scientific Heritage, 18-20 May 2011, Zagreb, Croatia
• Jerele, I. Role of National and University Library of Slovenia in a multinational research project (IMPACT): a case study. Presentation at the LIBER Annual Conference 2011, 29 June - 2 July 2011, Barcelona, Spain.
• Miller, C., ABBYY press release: ABBYY Empowers European Commission's Digitisation Research Project. IMPACT Project to Improve Access to Historical Texts Through Technology Innovation and Collaboration. ABBYY website (www.abbyy.com), News section, 8 June 2011.
• Mühlberger, G. Digitalisierung historischer Zeitungen aus dem Blickwinkel der automatisierten Text- und Strukturerkennung (OCR) (German article). In: Zeitschrift für Bibliothekswesen und Bibliographie, vol. 58 (2011) no. 1, p. 10-18.
• Neudecker, C. “Workflow Development for OCR (and more)”. Presentation given at the Creating and Communicating Digital Content Conference, 26-27 May 2011, Umea, Sweden.
• Neumann, D. and M. Dogan. “IMProving ACcess to Text – Entwicklung eines Interoperabilitätsframeworks in einem Bibliotheksprojekt”. Presentation given (in German) at the Deutsche Bibliothekartag, 7-10 June 2011, Berlin, Germany.
• Ploeger, L. IMPACT - Centre of Competence in Text Digitisation. Poster presented at the IFLA World Library Information Congress 2011, 13-18 August 2011, San Juan, Puerto Rico
• Ploeger, L. IMPACT: Centre of Competence voor Tekstdigitalisering (Dutch article). In: InformatieProfessional, no. 5, May 2011, p. 22-25.
•  Ploeger, L. “Q&A: IMPACT”(Dutch article). In: InformatieProfessional, no. 3, March 2011, p. 11
• Putter, T. OCR schrijft historie. In: VIP/Doc, no.5, August 2011, p.22-24.
• Schlarb, S. “Supporting decisions in digitisation by experimental workflow design and evaluation”. Presentation given at the 3rd LIBER-EBLIDA Workshop on Digitization of Library Material in Europe, 5-7 October 2011, KB, The Hague, Netherlands
• Tumulla, M. “Das Helpdesk des EU-Projektes IMPACT” (German article). In: Dialog mit Bibliotheken, no. 23 (2011) 2, p. 69-70
• Tzadok, A. “Digital Crowdsourcing”. Presentation given at eBooks: A New Era of Law, Business and Society, 18-19 May 2011, Haifa, Israel
• Tzadok, A. “IBM Adaptive OCR engine and CONCERT Cooperative Correction”. Presentation given at Digitálna knižnica 2011 Conference, 23-25 November 2011, Jasná, Slovakia.
• Wilms, L. and C.Neudecker, Scalable and sustainable – OCR & document image analysis in the cloud. New Trends in Humanities Computing. Presentation given at the HPC Cloud day, 4 October 2011, Amsterdam, Netherlands. 

2010

• Anderson, N., A. Conteh and N. Fitzgerald. IMPACT: Building Capacity in Mass Digitisation. Presentation at the IS&T Archiving conference (1-4 June, The Hague, The Netherlands)
• Balk, H. and L. Ploeger, "IMPACT – Centre of Competence voor massadigitalisering" (Dutch article). DIXIT Taal- en spraaktechnologie voor Cultureel Erfgoed, volume 7 no.1, Dec 2010, p.38-39
• Conteh, A. "They had the Internet in the 19th century! How we improve access to historical texts". Conference - Digitised History: newspapers and their impact on research into 18th and 19th century Britain (20 July 2010, London, UK)
• Depuydt, K. IMPACT: 7 nieuwe talen (Dutch article), INL Nieuwsbrief, mei 2010, page 2.
• Fitzgerald, N., The IMPACT Project, BL Reader Bulletin: November 2010
• IBM press release, IBM and EU Partner to Enable the Digitization of Historic European Texts on a Massive Scale, 25 August 2010
• IMPACT press release, IMPACT widens European scope, 25 May 2010 - Also available in Dutch and Polish
• Neudecker, C. "OCR challenges in historic documents and the contribution of IMPACT". IFLA satellite meeting “New Techniques for Old Documents” (16-18 August, Uppsala, Sweden)

2009         

• Balk, H. "IMPACT: Building a Centre of Competence for Digitisation". Presentation at the 2nd LIBER-EBLIDA Workshop on Digitisation of Library Material in Europe (19-21 October 2009, The Hague, the Netherlands)
• Conteh, A. “Mass Digitisation in Digital Libraries: The experience of the British Library”. Invited talk at the ICDAR2009 Conference (26-29 July 2009, Barcelona, Spain)                    
• Conteh, A., N. Fitzgerald and A. Antonacopoulos , “International collaboration steers future of mass digitisation”. Press release (July 2009)
• Isaev, A. “Enterprise Approach to OCR Technology Development”. Invited talk at the ICDAR2009 Conference (26-29 July 2009, Barcelona, Spain)         
• Ploeger, L. “Conferentie 'OCR in massadigitalisering'” (Dutch article), eData, vol. 4, no. 1 (June 2009)
• Ploeger, L. “In Brief: IMPACT” DLIB Magazine, vol. 15, no. 1/2 (January 2009)
• Ploeger, L., Y. Park, J. Nikolov-Ramírez Gaviria, C. Neudecker, F. Bochow and M. Day, “IMPACT Conference: Optical Character Recognition in Mass Digitisation”. Event report in Ariadne, no. 59 (April 2009)

2008

• Balk, H. “IMPACT: historische tekst echt digitaal maken”  (Dutch article), eData, vol. 2, no. 3 (December 2007)
• Balk, H. “IMPACT: betere OCR voor de digitale bibliotheek” (Dutch article), eData, vol. 3, no. 2 (September 2008)
• Balk, H., E. Freyre, I. Pratikakis and U. Reffle, “Setting the pace for the mass digitisation of texts over the next decade”. IMPACT workshop at the ICT2008 Conference (25-27 November 2008, Lyon, France)
• Balk, H., G. Mühlberger, A. Tzadok, and E. Walach,. “Responding to the challenges in mass digitisation of historical printed text”. IMPACT workshop at the EVA/MINERVA Conference (11-12 November 2008, Jerusalem, Israel)
• Depuydt, K. “INL werkt mee aan groot Europees project!” (Dutch article), Nieuwsbrief INL, (March 2008)
• Ploeger, L. “IMPACT conferentie: OCR in massadigitalisering” (Dutch article), eData, vol. 3, no. 3 (December 2008)  
• Ploeger, L. “IMPACT conferentie: OCR in massadigitalisering” (Dutch article), KB.nl, vol. 7, no.4 (December 2008): p. 10
• Scholz, D. “Das Projekt IMPACT“ (German presentation), 97. Deutscher Bibliothekartag (4 June 2008, Mannheim, Germany)
• Tumulla, M. “IMPACT: Improving Access to Text” (German article), Dialog mit Bibliotheken vol. 20 no. 2 (July 2008): p. 39-41

2011

• Dutch Demo Day: IMPACT Demo-Dag: Presentatie en demonstratie van IMPACT resultaten  16 February, KB The Hague: presentations  available from the IMPACT blog - The Hague (in Dutch)
• IMPACT workshop "Recent developments in OCR for Digital Libraries" (31 March, Rouen): presentations and videos available from the IMPACT blog - Rouen and  http://vimeo.com/user3130824/%20videos/appears 
• Workshop: Improving OCR of old material (2 days) during the ELAG2011 conference, 24-27 May 2011, Prague, Czech Republic.
• Slovene exhibition on OCR (13 May - 18 June 2011) and Slovene IMPACT Demo Day (10 June 2011). National and University Library, Ljubljana, Slovenia.
• BL IMPACT Demo Day, 12 July, BL London: presentations available from the IMPACT blog - British Library
• French Demo Day: Journée IMPACT. Mode texte pour les bibliothèques numériques: le projet européen IMPACT et l'OCR. Bibiliothèque nationale de France, Paris, France, 19 September 2011. Video: http://vimeo.com/album/1748467
• Austrian Demo Day: Texterkennung (OCR) mit historischen Texten. Part of the Brainpool series. Österreichische Nationalbibliothek, Vienna, Austria, 29 September 2011.
• Spanish Demo Day: Proyecto IMPACT: Mejora del Acceso a Textos Históricos,  Biblioteca Nacional de España, Madrid, Spain, 5 October 2011.
• German Demo Day combined with conference "Historische Dokumente auf dem Weg zum digitalen Volltext" – Turning Historical Documents into Digital Full Texts. Bayerische Staatsbibliothek, Munich, Germany, 11-12 October 2011. Videos: http://vimeo.com/album/1757239 Blog posts available from the IMPACT blog - Munich (October 2011) (in German)
• Polish Demo Day: Masowa digitalizacja i OCR – Prezentacja wyników projektu IMPACT (Mass digitization and OCR - Presentation of the IMPACT project) at the Konferencja Polskie Biblioteki Cyfrowe 2011 (Polish Digital Libraries 2011 conference), Poznan, Poland, 12 October 2011)
• Bulgarian Demo Day: Demonstration Day of IMPACT Project. National Library of Bulgaria, Sofia, Bulgaria, 13 October 2011.
• IMPACT participation in the OCR Summit Meeting at the IDHMC Initiative for Digital Humanities, Media and Culture, IDHMC, Texas A&M University, 17-18 October, College Station, USA.
• Final IMPACT Conference Digitisation & OCR: Better, faster, cheaper. Solutions of the IMPACT Centre of Competence and future challenges, The British Library, London, UK, 24-25 October 2011. Videos: http://vimeo.com/album/1748453 Blog: http://impactocr.wordpress.com/category/final-conference-2011/
• Research meeting IMPACT Centre of Competence in Text Digitisation for the KNAW e-Humanities Group, Amsterdam, Netherlands, 3 November 2011.  
• IMPACT/myGrid Taverna Hackathon. University of Manchester, UK, 14-15 November 2011. Blog: http://impactocr.wordpress.com/category/hackday/
• IMPACT participation in the BHL-Europe Content Providers Meeting, Royal Belgian Institute of Natural Sciences, 1-2 December 2011, Brussels, Belgium, with the presentation ‘Introduction to IMPACT’ and the one-day “OCR Workshop for Content Providers”.
• IMPACT jointly organised the workshop After the Brain Storm: Innovative Ways to Sustain Project Results with BHL, BHL-Europe and CATCHplus at the DISH2011 conference, 6-9 December 2011, Rotterdam, Netherlands.

2010

• IMPACT workshop "Verbesserter Zugang zu historischen Texten - Erfahrungen aus Forschung und Praxis im Rahmen des Projekts IMPACT" (4 March , Munich): presentations and videos available from the IMPACT blog - Munich (in German)
• IMPACT workshop "Research results and practical experience from the IMPACT project" (7 May, Bratislava): presentations and videos available from the IMPACT blog - Bratislava

2009

• IMPACT Conference "OCR in Mass Digitisation. Challenges between Full Text, Imaging and Language". 6-7 April 2009, KB, The Hague. See Conference proceedings. List of presentations (all available from this page):

- Antonacopoulos, A. “Digital Restoration and Layout Analysis”
- Antonacopoulos, A. and S. Pletschacher “Challenges and Opportunities in Mass - Digitisation: How Technology Can Meet Libraries’ Needs”
- Balk, H. “Introduction to IMPACT“
- Conteh, A. and H. Balk “IMPACT as a Centre of Competence: Towards a Sustainable Centre of Competence in Mass Digitisation of Historical Printed Text” 
- Depuydt, K. “Historical Lexicon Building and How it Improves Access to Text”
- Fitzgerald, N. “Decision Support Tools”
- Gatos, B. ”A User Friendly Platform for Document Image Enhancement and Segmentation”
- Gravenhorst, C. “Future Challenges for OCR Technology”    
- Holley, R. "Many Hands Make Light Work: Collaborative OCR Text Correction in Australian HIstoric Newspapers"
- Klijn, E. “Mass Digitisation at the KB: Guided Tour”
- Manson, P. “Digitisation of Cultural Resources: European Actions and the Context of IMPACT“
- Schulz, K. “Language Technology for Improving OCR on Historical Texts”
- Tzadok, A. “Adaptive OCR”
- Verheusen, A. “Library Challenges for Mass Digitisation”

• IMPACT-related JISC-funded workshop: "OCR for the mass digitisation of textual materials: Improving Access to Text" (24 September 2009, Bath): presentations and videos available from this Wordpress blog.

2011

• Antonacopoulos, A., B. Gatos and S. Pletschacher. Tutorial: Performance Evaluation in Document Image Analysis. ICDAR2011, 18-21 September, Beijing, China  
•  Antonacopoulos, A., C. Clausner, C. Papadopoulos and S. Pletschacher. “Historical Document Layout Analysis Competition”. ICDAR2011, 18-21 September, Beijing, China, http://dx.doi.org/10.1109/ICDAR.2011.301 
• Antonacopoulos, A., C. Clausner, S. Pletschacher and P. Yang, Grid-Based Modelling and Correction of Arbitrarily Warped Historical Document Images for Large-Scale Digitisation. Workshop on Historical Document Imaging and Processing (HIP '11), 16-17 September, Beijing, China. DOI=10.1145/2037342.2037360  
• Balk, H, and A. Conteh. IMPACT: centre of competence in text digitisation. Workshop on Historical Document Imaging and Processing (HIP '11), 16-17 September, Beijing, China. DOI=10.1145/2037342.2037369
• Clausner, C., S. Pletschacher and A. Antonacopoulos. “Aletheia - An Advanced Document Layout and Text Ground-Truthing System for Production Environments”. ICDAR2011, 18-21 September, Beijing, China, http://dx.doi.org/10.1109/ICDAR.2011.19   
• Clausner, C., S. Pletschacher and A. Antonacopoulos. “Scenario Driven In-Depth Performance Evaluation of Document Layout Analysis Methods”. ICDAR2011, 18-21 September, Beijing, China, http://dx.doi.org/10.1109/ICDAR.2011.282  
• Colutto, S. and B. Gatos. “Efficient Word Recognition Using A Pixel-Based Dissimilarity Measure”. ICDAR2011, 18-21 September, Beijing, China, http://dx.doi.org/10.1109/ICDAR.2011.224
• Dey, L. V. Govindaraju, D. Lopresti, P. Natarajan, C. Ringlstetter and S. Roy. Proceedings of the 2011 Joint Workshop on Multilingual OCR and Analytics for Noisy Unstructured Text Data. MOCR_AND '11 Joint Workshop on Multilingual OCR and Analytics for Noisy Unstructured Text Data, 17 September, Beijing, China. ISBN 978-1-4503-0685-0.
• Erjavec, T, C. Ringlstetter, A. Gotscharek and M. Zorga A lexicon for processing archaic language: the case of XIXth century Slovene.     WoLeR 2011 International Workshop on Lexical Resources at ESSLLI, 1-5 August, 2011, Ljubljana, Slovenia
• Erjavec, T. “Annotating historical Slovene texts: first experiments”. Conference on New Methods in Historical Corpora, 29-30 April 2011, Manchester UK.
•  Erjavec, T. Automatic linguistic annotation of historical language: ToTrTaLe and XIX century Slovene. LaTeCH 2011, 5th Workshop on Language Technology for Cultural Heritage, Social Sciences, and Humanities, 24 June 2011, Portland, Oregon. Proceedings p.33-38, ISBN: 978-1-61839-232-9.
• Erjavec, T. Slovenska prevodna književnost 1848–1918: digitalna knjižnica in korpus AHLib (Slovene translated literature 1848–1918: digital library and corpus AHLib). Proceedings of the conference Obdobja, 2011, Interdisciplinarity in Slovene Studies, 17-19 Nov 2011, Ljubljana, Slovenia.
• Erjavec, T., I. Jerele and M. Kodric. “Izdelava korpusa starejših slovenskih besedil v okviru projekta IMPACT (Compiling a corpus of historical Slovene texts in the IMPACT project)”. Proceedings of the conference Obdobja, 2011, Interdisciplinarity in Slovene Studies, 17-19 Nov 2011, Ljubljana, Slovenia.
• Gander, L., C. Lezuo and R. Unterweger. Rule based document understanding of historical books using a hybrid fuzzy classification system. Workshop on Historical Document Imaging and Processing (HIP '11), 16-17 September, Beijing, China. DOI=10.1145/2037342.2037358
• Gatos, B., A, Kesidis and A. Papandreou. “Adaptive Zoning Features for Character and Word Recognition.” ICDAR2011, 18-21 September,  Beijing, China. http://dx.doi.org/10.1109/ICDAR.2011.234
• Gatos, B., G. Louloudis and N. Stamatopoulos. “Greek Polytonic OCR Based on Efficient Character Class Number Reduction”. ICDAR2011, 18-21 September, Beijing, China, http://dx.doi.org/10.1109/ICDAR.2011.233  
• Kesidis, A. “Efficient Cut-off  Threshold Estimation for Word Spotting Applications”. ICDAR2011, 18-21 September, Beijing, China, http://dx.doi.org/10.1109/ICDAR.2011.64  
• Kluzner, V., A. Tzadok, D. Chevion and E. Walach. “Hybrid Approach to Adaptive OCR for Historical Books”. ICDAR2011, 18-21 September, Beijing, China, http://dx.doi.org/10.1109/ICDAR.2011.183  
• Louloudis, G., N. Stamatopoulos and B. Gatos. “ICDAR 2011 Writer Identification Contest”. ICDAR2011, 18-21 September, Beijing, China, http://dx.doi.org/10.1109/ICDAR.2011.293
• Neudecker, C., S. Schlarb, M. Dogan, P. Missier, S. Sufi, A. Williams and K. Wolstencroft. An experimental workflow development platform for historical document digitisation and analysis. Workshop on Historical Document Imaging and Processing (HIP '11), 16-17 September, Beijing, China. DOI=10.1145/2037342.2037370 
• Ntirogiannis, K., B. Gatos and I. Pratikakis. “Binarization of Textual Content in Video Frames”. ICDAR2011, 18-21 September, Beijing, China, http://dx.doi.org/10.1109/ICDAR.2011.141
• Packer, E., A. Tzadok, V. Kluzner. “alpha-Shape Based Classification with Applications to Optical Character Recognition”. ICDAR2011, 18-21 September, Beijing, China, http://dx.doi.org/10.1109/ICDAR.2011.77
• Papandreou, A. and B. Gatos. “A Novel Skew Detection Technique Based on Vertical Projections”. ICDAR2011, 18-21 September, Beijing, China, http://dx.doi.org/10.1109/ICDAR.2011.85  
• Rahnemoonfar, M. and A. Antonacopoulos. “Restoration of Arbitrarily Warped Historical Document Images Using Flow Lines”. ICDAR2011, 18-21 September, Beijing, China, http://dx.doi.org/10.1109/ICDAR.2011.184
•  Tzadok, A. “Page Curling Correction for Scanned Books Using Local Distortion Information”. ICDAR2011, 18-21 September, Beijing, China, http://dx.doi.org/10.1109/ICDAR.2011.182
• Wudtke, R., C. Ringlstetter and K. Schulz. “Recognizing garbage in OCR output on historical documents”. MOCR_AND '11 Joint Workshop on Multilingual OCR and Analytics for Noisy Unstructured Text Data, 17 September, Beijing, China, http://dx.doi.org/10.1145/2034617.2034626

2010

• Colutto, S., "Introducing a New Image Dissimilarity Measure with an Application to Character Image Clustering in Degraded Historical Documents". DAS2010 Conference (9-11 June, Cambridge, USA) 
• Dogan, Z.M., C. Neudecker, S. Schlarb and G. Zechmeister, "Experimental workflow design and development in digitisation". QQML2010 Conference (25-28 May 2010, Chania, Crete, Greece)
• Erjavec, T., C. Ringlstetter, M. Žorga and A. Gotscharek, "Towards a Lexicon of XIXth Century Slovene". IS-JT '10 conference (14-15 October, Ljubljana, Slovenia)
• Gatos, B., N. Stamatopoulos and G. Louloudis, "Handwriting Segmentation Contest". ICFHR2010 (16-18 November, Kolkata, India)
• Kesidis, A, E. Galiotou, B. Gatos and I. Pratikakis, "A word spotting framework for historical machine printed documents". IJDAR International Journal on Document Analysis and Recognition. DOI:10.1007/ s10032-010-0134-4 
• Neudecker, C. and A. Tzadok, "User Collaboration for Improving Access to Historical Texts". LIBER2010 Annual Conference (29 June - 2 July, Aarhus, Denmark). Also published as a paper in LIBER Quarterly, vol. 20 (2010) no.1: available here.
• Pletschacher, S. and A. Antonacopoulos, "The PAGE (Page Analysis and Ground-truth Elements) Format Framework". ICPR2010 (23-26 August 2010, Istanbul, Turkey)
• Pratikakis, I., B. Gatos and K. Ntirogiannis, "H-DIBCO 2010 – Handwritten Document Image Binarization Competition". ICFHR2010 (16-18 November, Kolkata, India)
• Stamatopoulos, N., B. Gatos and T. Georgiou, "Page Frame Detection for Double Page Document Images". DAS2010 Conference (9-11 June, Cambridge, USA) 
• Stamatopoulos, N., G. Louloudis and B. Gatos, "Efficient Transcript Mapping to Ease the Creation of Document Image Segmentation Ground Truth with Text-Image Alignment". ICFHR2010 (16-18 November, Kolkata, India)
• Stamatopoulos, N., B. Gatos, I. Pratikakis and S.J.Perantonis, "Goal-oriented Rectification of Camera-Based Document Images". IEEE Transactions on Image Processing, DOI: 10.1109/TIP.2010.2080280

• Vamvakas, G., N. Stamatopoulos, B. Gatos and S.J.Perantonis. "Automatic Unsupervised Parameter Selection for Character Segmentation". DAS2010 Conference (9-11 June, Cambridge, USA) 
    

2009

• Antonacopoulos, A. and S. Marinai, “Digital Libraries and Historical Document Processing”. Tutorial given at the ICDAR2009 Conference (26-29 July 2009, Barcelona, Spain)
• Antonacopoulos, A., C. Papadopoulos and S. Pletschacher, “Page Segmentation Competition”. Competition organised for the ICDAR2009 Conference (26-29 July 2009, Barcelona, Spain) pp. 1370-1374
• Antonacopoulos, A., D. Bridson, C. Papadopoulos and S. Pletschacher, “A Realistic Dataset for Performance Evaluation of Document Layout Analysis”. ICDAR2009 Conference (26-29 July 2009, Barcelona, Spain) pp. 296-300
• Balk, H.A. “Poor access to digitised historical texts: the solutions of the IMPACT project”. Presentation at the AND2009 Workshop (23-24 July 2009, Barcelona, Spain)
• Balk, H. and L. Ploeger. "IMPACT: Working Together to Address the Challenges Involving Mass Digitization of Historical Printed Text"OCLC Systems & Services, vol. 25 issue 4, p. 233 - 248.
• Conteh, A. and A. Tzadok, "User collaboration in the mass digitisation of textual materials". Cultural Heritage Online conference (15-16 December 2009, Florence, Italy)
• Depuydt, K. and J. de Does, “Computational Tools and Lexica to Improve Access to Text”   . Article in: Fons Verborum. Feestbundel voor prof. dr. A.M.F.J. (Fons) Moerdijk, aangeboden door vrienden en collega’s bij zijn afscheid van het INL". Edited by E. Beijk, L. Colman e.a., Leiden/Amsterdam (2009): p. 187-199.
• Gatos, B. “Performance Evaluation of Document Image Processing Techniques”. Seminar given at Computer Vision Center (24 April 2009, Barcelona, Spain)
• Gatos, B. and I. Pratikakis, “Segmentation-free Word Spotting in Historical Printed Documents”. ICDAR2009 Conference (26-29 July 2009, Barcelona, Spain) pp. 271-275
• Gatos, B., K.Ntirogiannis and I.Pratikakis, “DIBCO 2009 - Document Image Binarization Contest”. Competition organised for the ICDAR2009 Conference (26-29 July 2009, Barcelona, Spain) pp. 1375-1382
• Gatos, B., N.Stamatopoulos and G.Louloudis, “Handwriting Segmentation Contest". Competition organised for the ICDAR2009 Conference (26-29 July 2009, Barcelona, Spain) pp. 1393-1397
• Gotscharek, A., A. Neumann, U. Reffle, C. Ringlstetter and K.U. Schulz, ”Enabling Information Retrieval on Historical Document Collections - the Role of Matching Procedures and Special Lexica”. AND2009 Workshop (23-24 July 2009, Barcelona, Spain)               
• Gotscharek, A., U. Reffle, C. Ringlstetter and K.U. Schulz, ”On Lexical Resources for the Digitization of Historical Documents”. ACM DocEng 2009 Conference (18-21 September 2009, Munich, Germany) 
• Kesidis, A., E. Galiotou, B. Gatos, A. Lampropoulos, I. Pratikakis, I. Manolessou and A. Ralli, “Accessing the content of Greek historical documents”. AND2009 Workshop (23-24 July 2009, Barcelona, Spain) pp. 55-62
• Kluzner, V., A. Tzadok, Y. Shimony, A. Antonacopoulos and E. Walach, “Word-Based Adaptive OCR for Historical Books”. ICDAR2009 Conference (26-29 July 2009, Barcelona, Spain) pp. 501-505
• Louloudis, G., N. Stamatopoulos and B. Gatos “A Novel Two Stage Evaluation Methodology for Word Segmentation Techniques”. ICDAR2009 Conference (26-29 July 2009, Barcelona, Spain) pp. 686-690
• Louloudis, G., B. Gatos, I. Pratikakis and C. Halatsis, “Text Line and Word Segmentation of Handwritten Documents”.  Pattern Recognition, Vol. 42, Issue 12, pp.  3169-3183
• Nikolaou, A. and B. Gatos, “Handwritten Text Line Segmentation by Shredding Text into its Lines”. ICDAR2009 Conference (26-29 July 2009, Barcelona, Spain) pp. 626-630 
• N. Nikolaou, M. Makridis, B. Gatos, N. Stamatopoulos, N. Papamarkos, "Segmentation of historical machine-printed documents using Adaptive Run Length Smoothing and skeleton segmentation paths", Image and Vision Computing, doi:10.1016/j.imavis.2009.09.013
• Ntirogiannis, K., B. Gatos and I. Pratikakis, “A Modified Adaptive Logical Level Binarization Technique for Historical Document Images”. ICDAR2009 Conference (26-29 July 2009, Barcelona, Spain) pp. 1171-1175
• Pletschacher, S, J. Hu and A. Antonacopoulos, “A New Framework for Recognition of Heavily Degraded Characters in Historical Typewritten Documents Based on Semi-Supervised Clustering”, ICDAR2009 Conference (26-29 July 2009, Barcelona, Spain) pp. 506-510
• Stamatopoulos, N., G. Louloudis and B.Gatos, “A Comprehensive Evaluation Methodology for Noisy Historical Document Recognition Techniques”. AND2009 Workshop (23-24 July 2009, Barcelona, Spain) pp. 47-54
• Stamatopoulos, N., B. Gatos and I. Pratikakis. “A Methodology for Document Image Dewarping Techniques Performance Evaluation”. ICDAR2009 Conference (26-29 July 2009, Barcelona, Spain)  pp. 956-960
• Stamatopoulos, N., B. Gatos and S.J. Perantonis, “A Method for Combining Complementary Techniques for Document Image Segmentation”. Pattern Recognition, Vol. 42, Issue 12, pp.  3158-3168

• Vamvakas, G., B. Gatos and S. Perantonis, “A Novel Feature Extraction and Classification Methodology for the Recognition of Historical Documents”. ICDAR2009 Conference (26-29 July 2009, Barcelona, Spain) pp. 491-495

2008

• Antonacopoulos, A. “Unlocking the World's Knowledge: The Analysis of Historical Documents”. Tutorial given at the DAS'08 Workshop (17-20 September 2008, Nara, Japan)
• Bridson, D. and A. Antonacopoulos, “A Geometric Approach for Accurate and Efficient Performance Evaluation of Layout Analysis Methods”. ICPR'08 Conference (8-11 December 2008, Tampa, USA)
• Gatos, B., I. Pratikakis and S. J. Perantonis, “Improved Document Image Binarization by Using a Combination of Multiple Binarization Techniques and Adapted Edge Information”.  ICPR'08 Conference (8-11 December 2008, Tampa, USA) ISBN: 978-1-4244-2175-6/08
• Louloudis, G., B. Gatos, I. Pratikakis and C. Halatsis, “Line and Word Segmentation of Handwritten Documents”.  ICFHR'08 Conference (19-21 August 2008, Montreal, Canada) pp. 247-252
• Ntirogiannis, K., B. Gatos and I. Pratikakis, “An Objective Evaluation Methodology for Handwritten Image Document Binarization Techniques”.   ICFHR'08 Conference (19-21 August 2008, Montreal, Canada) pp. 586-591
• Ntirogiannis, K., B. Gatos and I. Pratikakis, “An Objective Evaluation Methodology for Document Image Binarization Techniques”. DAS'08 Workshop (17-20 September 2008, Nara, Japan) pp. 217-224
• Schulz, K.U. ”Successfully Detecting and Correcting False Friends Using Channel Profiles”. ACM SIGIR Conference (20-24 July 2008, Singapore)                       
• Stamatopoulos, N., B. Gatos and S.J. Perantonis, “A Method for Combining Complementary Techniques for Document Image Segmentation”. ICFHR'08 Conference (19-21 August 2008, Montreal, Canada) pp. 235-240
• Stamatopoulos, N., B. Gatos, I. Pratikakis and S.J. Perantonis, "A Two-Step Dewarping of Camera Document Images”. DAS'08 Workshop (17-20 September 2008, Nara, Japan) pp. 209-216