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Book Chapters

  1. B. Gatos, G. Louloudis, N. Stamatopoulos, G. Retsinas, G. Sfikas, A. Giotis, F. Simistira Liwicki, V. Papavassiliou and V. Katsouros, "OldDocPro: Old Greek Document Recognition", Chapter in Handwritten Historical Document Analysis, Recognition, and Retrieval — State of the Art and Future Trends (Series in Machine Perception and Artificial Intelligence), pp. 157-174, 2020.

  2. A. L. Kesidis and B. Gatos, "Providing Access to Old Greek Documents Using Keyword Spotting Techniques", Chapter in Visual Computing for Cultural Heritage (Springer Series on Cultural Computing book series), pp 85-102, 2020.

  3. N. Stamatopoulos, G. Louloudis and B. Gatos, "Handwriting Segmentation", Chapter in Document Analysis And Text Recognition: Benchmarking State-of-the-art Systems, World Scientific, volume 82, pp. 29-64, 2018.

  4. G. Louloudis, N. Stamatopoulos and B. Gatos, "Writer Identification", Chapter in Document Analysis And Text Recognition: Benchmarking State-of-the-art Systems, World Scientific, volume 82, pp. 121-154, 2018.

  5. B. Gatos, "Imaging Techniques in Document Analysis Processes", Chapter in Handbook of Document Image Processing and Recognition (David S. Doermann, Karl Tombre, eds.), Springer, pp.73–131, 2014.

  6. I. Pratikakis, A. Bolovinou, B. Gatos and S. J. Perantonis, "Semantics Extraction from Images, Chapter in Knowledge-Driven Multimedia Information Extraction and Ontology Evolution - Bridging the Semantic Gap (Georgios Paliouras, Constantine D. Spyropoulos, George Tsatsaronis, eds.), Springer, volume 6050, pp. 50–88, 2011.

  7. I. Pratikakis, I. Vanhamel, H, Sahli, B, Gatos and S. Perantonis, "Content-based image retrieval: A region-driven approach", Chapter in Recent advances in applied signals, systems and image processing (Karras Dimitrios A., ed.), Springer, 2009.

  8. I. Pratikakis, I. Vanhamel,H. Sahli, B. Gatos and S. J. Perantonis, "Watershed-driven region-based image retrieval", Chapter in Mathematical Morphology: 40 Years on, Springer, Dordrecht, pp. 207–216, 2005.

 

Journals

  1. G. Retsinas, G. Louloudis, N. Stamatopoulos and B. Gatos "Efficient Learning-Free Keyword Spotting", IEEE transactions on pattern analysis and machine intelligence, Vol. 41, No. 7, pp. 1587-1600, 2019. Download

  2. G. Muehlberger, L. Seaward, M. Terras, S. Ares Oliveira, V. Bosch, M. Bryan, S. Colutto, H. Déjean, M. Diem, S.Fiel,B. Gatos, A. Greinoecker, T. Grüning, G. Hackl, V. Haukkovaara, G. Heyer, L. Hirvonen, T. Hodel, M. Jokinen, P. Kahle, M. Kallio, F. Kaplan, F. Kleber, R. Labahn, E.M. Lang, S. Laube, G. Leifert, G. Louloudis, R. McNicholl,J.-L. Meunier, J. Michael, E. Mühlbauer, N. Philipp, I. Pratikakis, J. Puigcerver Pérez, H. Putz, G. Retsinas, V. Romero, R. Sablatnig, J. A. Sánchez, P. Schofield, G. Sfikas, C. Sieber, N. Stamatopoulos, T. Strauß, T. Terbul, A. H. Toselli, B. Ulreich, M. Villegas, E. Vidal, J. Walcher, M. Weidemann, H. Wurster and K. Zagoris, "Transforming Scholarship in the Archives Through Handwritten Text Recognition: Transkribus as a Case Study", Journal of Documentation, Vol. 75, No. 5, pp. 954-976, 2019. Download

  3. A. Giotis, G. Sfikas, B. Gatos and C. Nikou, "A survey of document image word spotting techniques", Pattern Recognition, Vol. 68, pp. 310-332, 2017. Download

  4. K. Zagoris, I. Pratikakis and B. Gatos, "Unsupervised Word Spotting in Historical Handwritten Document Images Using Document-Oriented Local Features", IEEE Trans. Image Processing, Vol. 26, No. 8, pp. 4032-4041, 2017. Download

  5. T. Konidaris, A. Kesidis and B. Gatos, "A segmentation-free word spotting method for historical printed documents",  Pattern Analysis and Applications, Vol. 19, Issue 4, pp. 963-976, 2016. Download

  6. K. Ntirogiannis, B. Gatos and I. Pratikakis "A combined approach for the binarization of handwritten document images", Pattern Recognition Letters, Vol. 35, pp. 3 - 15, 2014. Download

  7. K. Zagoris, I. Pratikakis, A. Antonacopoulos, B. Gatos and N. Papamarkos "Distinction between handwritten and machine-printed text based on the bag of visual words model ", Pattern Recognition , Vol. 47, Issue 3, pp. 1051-1062, 2014. Download

  8. A Papandreou, B Gatos, SJ Perantonis and I Gerardis “Efficient skew detection of printed document images based on novel combination of enhanced profiles”, International Journal on Document Analysis and Recognition (IJDAR), Vol. 17, No. 4, pp. 433-454, 2014. Download

  9. A Papandreou and B. Gatos “Slant estimation and core-region detection for handwritten Latin words”, Pattern Recognition Letters, Vol. 35, pp. 16-22, 2014. Download

  10. K. Ntirogiannis, B. Gatos and I. Pratikakis, "Performance Evaluation Methodology for Historical Document Image Binarization", IEEE Transactions on Image Processing, Vol. 22, No. 2,  pp 595 -609, 2013. Download

  11. M. Anthimopoulos, B. Gatos, I. Pratikakis, “Detection of Artificial and Scene Text in Images and Video Frames”, Pattern Analysis and Applications, Vol. 16, No. 3, pp. 431-446, 2013. Download

  12. N. Stamatopoulos, B. Gatos and I. Pratikakis, “Performance Evaluation Methodology for Document Image Dewarping Techniques”, IET Image Processing, Vol. 6, No. 6, pp. 738-745, 2012. Download

  13. B. Gatos, N. Stamatopoulos, G. Louloudis, “ICDAR2009 handwriting segmentation contest”, International Journal on Document Analysis and Recognition (IJDAR), special issue on performance evaluation, Vol.14, No. 1, pp. 25-33, 2011. Download

  14. B. Gatos, K. Ntirogiannis, I. Pratikakis, “DIBCO 2009: document image binarization contest”, International Journal on Document Analysis and Recognition (IJDAR), special issue on performance evaluation, Vol.14, No. 1, pp. 35-44, 2011. Download

  15. N. Stamatopoulos, B. Gatos, I. Pratikakis and S.J. Perantonis, “Goal-oriented Rectification of Camera-Based Document Images”, IEEE Transactions on Image Processing, Vol. 20, No. 4, pp. 910-920, 2011. Download

  16. A. Kesidis, E. Galiotou, B. Gatos, I. Pratikakis, “A word spotting framework for historical machine-printed documents”, International Journal on Document Analysis and Recognition (IJDAR), vol. 14, no. 2, pp. 131-144, 2011. Download

  17. G. Vamvakas, B. Gatos, S. J. Perantonis, "Handwritten character recognition through two-stage foreground sub-sampling", Pattern Recognition, Vol. 43, Issue 8, pp.  2807-2816, 2010.  Download

  18. M. Anthimopoulos, B. Gatos, I. Pratikakis, "A two-stage scheme for text detection in video images", Image and Vision Computing, Vol. 28 , Issue 9, pp. 1413-1426, 2010. Download

  19. 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, Vol. 28 , Issue 4, pp. 590-604, 2010. Download

  20. N. Stamatopoulos, B. Gatos, S. J. Perantonis, "A method for combining complementary techniques for document image segmentation", Pattern Recognition, Vol. 42, Issue 12, pp.  3158-3168, 2009. Download 

  21. G. Louloudis, B. Gatos, I. Pratikakis, C. Halatsis, "Text line and word segmentation of handwritten documents", Pattern Recognition, Vol. 42, Issue 12, pp.  3169-3183, 2009. Download

  22. G. Louloudis, B. Gatos, I. Pratikakis, C. Halatsis, "Text line detection in handwritten documents", Pattern Recognition, Vol. 41, Issue 12, pp. 3758-3772, 2008. Download

  23. K. Ntzios, B. Gatos, I. Pratikakis, T. Konidaris and S.J. Perantonis, "An Old Greek Handwritten OCR System based on an Efficient Segmentation-free Approach", International Journal on Document Analysis and Recognition (IJDAR), special issue on historical documents, Vol. 9, No. 2-4, pp. 179-192, 2007. Download

  24. T. Konidaris, B. Gatos, K. Ntzios, I. Pratikakis, S. Theodoridis and S. J. Perantonis, "Keyword-Guided Word Spotting in Historical Printed Documents Using Synthetic Data and User feedback", International Journal on Document Analysis and Recognition (IJDAR), special issue on historical documents, Vol. 9, No. 2-4, pp. 167-177, 2007. Download

  25. B. Gatos, I. Pratikakis and S. J. Perantonis, "Adaptive Degraded Document Image Binarization", Pattern Recognition, Vol. 39, pp. 317-327, 2006. Download

  26. B. Gatos, K. Ntzios, I. Pratikakis, S. Petridis, T. Konidaris and S. J. Perantonis, "An Efficient Segmentation-free Approach to Assist Old Greek Handwritten Manuscript OCR ", Pattern Analysis and Applications (PAA), Vol. 8, Num. 4, pp. 305-320, 2006. Download.

  27. I. Pratikakis, Ι. Vanhamel, Η., Sahli, B. Gatos and S. Perantonis, "Unsupervised watershed-driven region-based image retrieval", IEE Vision Image and Signal Processing, Special Issue on Knowledge-based digital media processing, vol. 153, Issue 3, pp. 313-322, 2006. Download

  28. S.J. Perantonis, B. Gatos, K. Ntzios, I. Pratikakis, I. Vrettaros, A. Drigas, C. Emmanouilidis, A. Kesidis and D. Kalomirakis, "Digitization, Processing and Recognition of Old Greek Manuscripts (The  D- SCRIBE Project)", International Journal Information Theories & Applications (IJ ITA), Vol. 11, No 3, pp.232-240, 2004. Download

  29. S.J. Perantonis, B. Gatos, K. Ntzios, I. Pratikakis, I. Vrettaros, A.S. Drigas, C. Emmanouilidis, A. Kesidis, D. Kalomirakis, "A System for Processing and Recognition of Old Greek Manuscripts (The D-SCRIBE Project)", WSEAS Transactions on Computers, Issue 6, Volume 3, pp. 2049-2057, 2004. Download

  30. B. Gatos, N. Papamarkos, I. Andreadis and S. J. Perantonis, "Fast Implementation of Morphological Operations Using Image Block Decomposition", International Journal of Image and Graphics (IJIG), Vol. 4, No. 2, pp. 183-202, 2004. Download

  31. B. Gatos, S.L. Mantzaris, S.J. Perantonis and A. Tsigris, "Automatic page analysis for the creation of a digital library from newspaper archives", International Journal on Digital Libraries (IJODL), Vol. 3(1), pp. 77-84, 2000. Download

  32. S. J. Perantonis, B. Gatos and N. Papamarkos, "Block decomposition and segmentation for fast Hough transform evaluation", Pattern Recognition, Vol. 32(5), pp. 811-824, 1999. Download

  33. B. Gatos, N. Papamarkos and C. Chamzas, "A binary tree based OCR technique for machine printed characters", Engineering Applications of Artificial Intelligence, Vol. 10, No. 4, pp. 403-412, 1997. Download

  34. B. Gatos, N. Papamarkos and C. Chamzas, "Using curvature features in a multiclassifier OCR system", Engineering Applications of Artificial Intelligence, Vol. 10, No. 2, pp. 213-224, 1997. Download 

  35. B. Gatos, N. Papamarkos and C. Chamzas, "Skew detection and text line position determination in digitized documents", Pattern Recognition, Vol. 30, No. 9, pp. 1505-1519, 1997. Download

  36. B. Gatos, S. J. Perantonis and N. Papamarkos, "Accelerated Hough transform using rectangular image decomposition", Electronics Letters, Vol. 32, No. 8, pp. 730-732, 1996. Download

  37. N. Papamarkos and B. Gatos, "A new approach for multilevel threshold selection", Computer Vision, Graphics, and Image Processing - Graphical Models and Image Processing, Vol. 56, No. 5, pp. 357-370, Sept. 1994. Download

Conferences

  1. G. Matidis, B. Gatos, A.L. Kesidis and P. Kaddas, "Detecting Text on Historical Maps by Selecting Best Candidates of Deep Neural Networks Output", 17th International Conference on Document Analysis and Recognition (ICDAR 2023), LNCS 14191, pp. 358-367, 2023. Download

  2. G. Sfikas, G. Retsinas, P. Dimitrakopoulos, B. Gatos and C. Nikou, "Shared-Operation Hypercomplex Networks for Handwritten Text Recognition", 17th International Conference on Document Analysis and Recognition (ICDAR 2023), LNCS 14190, pp. 200-216, 2023. Download

  3. P. Kaddas, K. Palaiologos, B. Gatos, V. Katsouros and K. Christopoulou, "A System for Processing and Recognition of Greek Byzantine and Post-Byzantine Documents", 17th International Conference on Document Analysis and Recognition (ICDAR 2023), LNCS 14190, pp. 366-376, 2023. Download

  4. G. Sfikas, G. Retsinas and B. Gatos, "Document Binarization with Quaternionic Double Discriminator Generative Adversarial Network", 17th International Conference on Document Analysis and Recognition (ICDAR 2023), International Workshop on Machine Learning (4th edition), LNCS 14194, pp. 272-284, 2023. Download

  5. P. Kaddas, B. Gatos, K. Palaiologos, K. Christopoulou and K. Kritsis, "Text Line Detection and Recognition of Greek Polytonic Documents", 17th International Conference on Document Analysis and Recognition (ICDAR 2023), International Workshop on Machine Learning (4th edition), LNCS 14194, pp. 213-225, 2023. Download

  6. P. Kaddas and B. Gatos, “Using Multi-Level Segmentation Features for Document Image Classification”, 15th International Workshop on Document Analysis Systems (DAS 2022), pp. 702-712, 2022. Download

  7. G. Sfikas, G. Retsinas, A.Giotis, B. Gatos and C. Nikou, "Keyword Spotting with Quaternionic ResNet: Application to Spotting in Greek Manuscripts", 15th International Workshop on Document Analysis Systems (DAS 2022), pp. 382-396, 2022. Download

  8. G. Retsinas, G. Sfikas, B.Gatos and C. Nikou, “Best Practices for a Handwritten Text Recognition System”, 15th International Workshop on Document Analysis Systems (DAS 2022), pp. 247-259, 2022. Download

  9. G. Retsinas, G. Sfikas, B.Gatos and C. Nikou, “On-the-Fly Deformations for Keyword Spotting”, 15th International Workshop on Document Analysis Systems (DAS 2022), pp. 338-351, 2022. Download

  10. B. Gatos, G. Sfikas, P. Kaddas and G. Retsinas, “CULDILE: Cultural Dimensions of Deep Learning, A Document Analysis System for Historical Documents”, 15th International Workshop on Document Analysis Systems (DAS 2022), Short Paper Booklet, pp. 12-15, 2022. Download

  11. G. Sfikas, G. Retsinas and B. Gatos, "Exploring Uses of Normalizing Flows for Document Image Processing: Text Super-resolution and Binarization", 15th International Workshop on Document Analysis Systems (DAS 2022), Short Paper Booklet, pp. 16-19, 2022. Download

  12. G. Sfikas, G.Retsinas, B. Gatos and C. Nikou, "Hypercomplex Generative Adversarial Networks for Lightweight Semantic Labeling", 3rd International Conference on Pattern Recognition and Artificial Intelligence (ICPRAI 2022), pp. 251-262, 2022. Download

  13. M. Diem, F. Kleber, R. Sablatnig and B. Gatos, "cBAD: ICDAR2019 Competition on Baseline Detection", 15th International Conference on Document Analysis and Recognition (ICDAR 2019), pp. 1494-1498, 2019.Download

  14. A.M. Sichani, P. Kaddas, G. Mikros and B. Gatos, "OCR for Greek polytonic (multi accent) historical printed documents: development, optimization and quality control",
    3rd International Conference on Digital Access to Textual Cultural Heritage (DATeCH 2019), pp. 9-13, 2019. Download

  15. G. Retsinas, G. Louloudis, N. Stamatopoulos, G. Sfikas and B. Gatos, "An Alternative Deep Feature Approach to Line Level Keyword Spotting", 2019 IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR), pp. 12658-12666, 2019. Download

  16. P. Kaddas and B. Gatos, "A Deep Convolutional Encoder-Decoder Network for Page Segmentation of Historical Handwritten Documents Into Text Zones", 16th International Conference on Frontiers in Handwriting Recognition (ICFHR 2018), pp.259-264, 2018. Download

  17. G. Retsinas, G. Sfikas, G. Louloudis, N. Stamatopoulos and B. Gatos, "Compact Deep Descriptors for Keyword Spotting", 16th International Conference on Frontiers in Handwriting Recognition (ICFHR 2018), pp. 315-320, 2018. Download

  18. G. Retsinas, G. Sfikas, N. Stamatopoulos, G. Louloudis and B. Gatos, "Exploring critical aspects of CNN-based keyword spotting. A PHOCNet study", 13th IAPR International Workshop on Document Analysis Systems (DAS 2018), pp. 13-18, 2018. Download

  19. I. Pratikakis, K. Zagoris, P. Kaddas and B. Gatos, "ICFHR 2018 Competition on Handwritten Document Image Binarization (H-DIBCO 2018)", 16th International Conference on Frontiers in Handwriting Recognition (ICFHR 2018), pp. 489-493, 2018.Download

  20. G. Sfikas, G. Retsinas and B. Gatos, "A PHOC Decoder for Lexicon-Free Handwritten Word Recognition", 14th International Conference on Document Analysis and Recognition (ICDAR 2017), pp. 513-518, 2017. Download

  21. G. Retsinas, N. Stamatopoulos, G. Louloudis, G. Sfikas and B. Gatos, "Nonlinear Manifold Embedding on Keyword Spotting Using t-SNE", 14th International Conference on Document Analysis and Recognition (ICDAR 2017), pp. 487-492, 2017.  Download

  22. I. Pratikakis, K. Zagoris, G. Barlas and B. Gatos, "ICDAR2017 Competition on Document Image Binarization (DIBCO 2017)", 14th International Conference on Document Analysis and Recognition (ICDAR 2017), pp. 1395-1403, 2017. Download

  23. M. Diem, F. Kleber, S. Fiel, T. Grüning and B. Gatos, "cBAD: ICDAR2017 Competition on Baseline Detection", 14th International Conference on Document Analysis and Recognition (ICDAR 2017), pp. 1355-1360, 2017. Download

  24. S. Fiel, F. Kleber, M. Diem, V. Christlein, G. Louloudis, S. Nikos and B. Gatos, "ICDAR2017 Competition on Historical Document Writer Identification (Historical-WI)", 14th International Conference on Document Analysis and Recognition (ICDAR 2017), pp. 1377-1382, 2017. Download

  25. G. Sfikas, B. Gatos and C.Nikou, "SemiCCA: A New Semi-Supervised Probabilistic CCA Model for Keyword Spotting", International Conference on Image processing (ICIP 2017), Beijing, China, pp. 1107-1111, 2017. Download

  26. G. Retsinas, G. Sfikas, B. Gatos, "Transferable Deep Features for Keyword Spotting", International Workshop on Computational Intelligence for Multimedia Understanding, held in conjunction with the 25th European Signal Processing Conference (EUSIPCO), Kos, Greece, 2 (2), 89, 2017. Download

  27. B. Gatos, G. Louloudis, N. Stamatopoulos and G. Sfikas, "Historical Document Processing", ACM Symposium on Document Engineering (DocEng'17) tutorial, pp. 1 - 2, 2017. Download

  28. G. Sfikas, G. Retsinas and B. Gatos, "Zoning Aggregated Hypercolumns for Keyword Spotting", 15th International Conference on Frontiers in Handwriting Recognition (ICFHR’16), pp. 283-288, 2016. Download

  29. I. Pratikakis, K. Zagoris, B. Gatos, J. Puigcerver, A.H. Toselli and E. Vidal, "ICFHR2016 Handwritten Keyword Spotting Competition (H-KWS 2016)", 15th International Conference on Frontiers in Handwriting Recognition (ICFHR’16), pp. 613-618, 2016. Download

  30. I. Pratikakis, K. Zagoris, G. Barlas and B. Gatos, "ICFHR2016 Handwritten Document Image Binarization Contest (H-DIBCO 2016)", 15th International Conference on Frontiers in Handwriting Recognition (ICFHR’16), pp. 619-623, 2016. Download

  31. G. Sfikas, G. Louloudis, N. Stamatopoulos and B. Gatos, "Bayesian mixture models on connected components for Newspaper article segmentation", ACM Symposium on Document Engineering (DocEng'16), pp. 143 - 146, 2016. Download

  32. G. Retsinas, G. Louloudis, N. Stamatopoulos and B. Gatos, "Efficient Document Image Segmentation Representation by Approximating Minimum-Link Polygons", 12th IAPR International Workshop on Document Analysis Systems (DAS’16), pp. 293 - 298, 2016. Download

  33. G. Louloudis, G. Sfikas, N. Stamatopoulos and B. Gatos, "Word Segmentation Using the Student’s-t Distribution", 12th IAPR International Workshop on Document Analysis Systems (DAS’16), pp. 78 - 83, 2016. Download

  34. V. Katsouros, V. Papavassiliou, F. Simistira and B. Gatos, "Recognition of Greek Polytonic on Historical Degraded Texts Using HMMs", 12th IAPR International Workshop on Document Analysis Systems (DAS’16), pp. 346-351, 2016. Download

  35. A. Papandreou, B. Gatos and K. Zagoris, "An Adaptive Zoning Technique for Word Spotting Using Dynamic Time Warping", 12th IAPR International Workshop on Document Analysis Systems (DAS’16), pp. 387 - 392, 2016. Download

  36. G. Retsinas, G. Louloudis, N. Stamatopoulos and B. Gatos, "Keyword Spotting in Handwritten Documents Using Projections of Oriented Gradients", 12th IAPR International Workshop on Document Analysis Systems (DAS’16), pp. 411 - 416, 2016. Download

  37. B. Gatos, N. Stamatopoulos, G. Louloudis, G. Sfikas, G. Retsinas, F. Simistira, V. Papavassiliou and V. Katsouros, "GRPOLY-DB: An Old Greek Polytonic Document Image Database", 13th International Conference on Document Analysis and Recognition (ICDAR 2015), pp. 646 - 650, 2015. Download

  38. A. Giotis, G. Sfikas, C. Nikou and B. Gatos, "Shape-based Word Spotting in Handwritten Document Images", 13th International Conference on Document Analysis and Recognition (ICDAR 2015), pp. 561 - 565, 2015. Download

  39. G. Retsinas, B. Gatos, N. Stamatopoulos and G. Louloudis, "Isolated Character Recognition using Projections of Oriented Gradients", 13th International Conference on Document Analysis and Recognition (ICDAR 2015), pp. 336 - 340, 2015. Download

  40. G. Sfikas, A. Giotis, G. Louloudis and B. Gatos, "Using Attributes for Word Spotting and Recognition in Polytonic Greek Documents", 13th International Conference on Document Analysis and Recognition (ICDAR 2015), pp. 686 - 690, 2015. Download

  41. F. Simistira, A. Hassan, V. Papavassiliou, B. Gatos, V. Katsouros and M. Liwicki, "Recognition of Historical Greek Polytonic Scripts Using LSTM Networks", 13th International Conference on Document Analysis and Recognition (ICDAR 2015), pp. 766 - 770, 2015. Download

  42. N. Stamatopoulos, G. Louloudis and B. Gatos, "Goal-Oriented Performance Evaluation Methodology for Page Segmentation Techniques", 13th International Conference on Document Analysis and Recognition (ICDAR 2015), pp. 281 - 285, 2015. Download

  43. G. Retsinas, B. Gatos, A. Antonacopoulos, G. Louloudis and N. Stamatopoulos, "Historical Typewritten Document Recognition Using Minimal User Interaction", 3rd International Workshop on Historical Document Imaging and Processing (HIP 2015), pp. 31 - 38, 2015. Download

  44. Konstantinos Zagoris, Ioannis Pratikakis and Basilis Gatos, "A Framework for Efficient Transcription of Historical Documents Using Keyword Spotting", 3rd International Workshop on Historical Document Imaging and Processing (HIP 2015), pp. 9 - 14, 2015. Download

  45. B. Gatos, N. Stamatopoulos, G. Louloudis and S. Perantonis “H-DocPro: a document image processing platform for historical documents”, First International Conference on Digital Access to Textual Cultural Heritage (DATECH’14), pp. 131-136, 2014. Download

  46. A Papandreou, B Gatos, G Louloudis “An adaptive zoning technique for efficient word retrieval using dynamic time warping”, First International Conference on Digital Access to Textual Cultural Heritage (DATECH’14), pp. 147-152, 2014. Download

  47. B. Gatos, G. Louloudis, T. Causer, K. Grint, V. Romero, J. A. Sánchez, A. Toselli, E. Vidal “Ground-Truth Production in the Transcriptorium Project”, 11th IAPR International Workshop on Document Analysis Systems (DAS’14), pp. 237-241, 2014. Download

  48. K. Ntirogiannis, B. Gatos and I. Pratikakis "ICFHR2014 Competition on Handwritten Document Image Binarization (H-DIBCO 2014)", 14th International Conference on Frontiers in Handwriting Recognition (ICFHR’14), pp. 809-813, 2014. Download

  49. I. Pratikakis, K. Zagoris, B. Gatos, G. Louloudis and N. Stamatopoulos "ICFHR 2014 Competition on Handwritten KeyWord Spotting (H-KWS 2014)", 14th International Conference on Frontiers in Handwriting Recognition (ICFHR’14), pp. 814-819, 2014. Download

  50. K. Zagoris, I. Pratikakis and B. Gatos "Segmentation-based Historical Handwritten Word Spotting using Document-Specific Local Features", 14th International Conference on Frontiers in Handwriting Recognition (ICFHR’14), pp. 9-14, 2014. Download

  51. N. Stamatopoulos, G. Louloudis and B. Gatos “A Novel Transcript Mapping Technique for Handwritten Document Images”, 14th International Conference on Frontiers in Handwriting Recognition (ICFHR'14), pp. 41-46, 2014. Download

  52. B. Gatos, G. Louloudis and N. Stamatopoulos “Segmentation of Historical Handwritten Documents into Text Zones and Text Lines”, 14th International Conference on Frontiers in Handwriting Recognition (ICFHR'14), pp. 464-469, 2014. Download

  53. I. Pratikakis, B. Gatos and K. Ntirogiannis, “ICDAR 2013 document image binarization contest (DIBCO 2013)”,  12th International Conference on Document Analysis and Recognition (ICDAR 2013), pp. 1471 - 1476, 2013. Download

  54. A. Papandreou, B. Gatos, G. Louloudis and N. Stamatopoulos “ICDAR 2013 Document Image Skew Estimation Contest (DISEC 2013)”, 12th International Conference on Document Analysis and Recognition (ICDAR 2013), pp. 1444 - 1448, 2013. Download

  55. N. Stamatopoulos, B. Gatos, G. Louloudis, U. Pal and A. Alaei, “ICDAR 2013 Handwriting Segmentation Contest“, 12th International Conference on Document Analysis and Recognition (ICDAR 2013), pp. 1402 - 1406, 2013. Download

  56. A. Papandreou and B. Gatos, “A Coarse to Fine Skew Estimation Technique for Handwritten Words”, 12th International Conference on Document Analysis and Recognition (ICDAR 2013), pp. 225 - 229, 2013. Download

  57. G. Louloudis, B. Gatos, N. Stamatopoulos and A. Papandreou, "ICDAR 2013 Competition on Writer Identification Document Analysis and Recognition", 12th International Conference on Document Analysis and Recognition (ICDAR 2013), pp. 1397 - 1401, 2013. Download

  58. J.A. Sánchez, G. Mühlberger, B. Gatos, P. Schofield, K. Depuydt, R.M. Davis and E. Vidal “TranScriptorium: a european project on handwritten text recognition”, 2013 ACM symposium on Document engineering, pp 227-228, 2013. Download

  59. G. Louloudis, B. Gatos and N. Stamatopoulos, “ICFHR2012 Competition on Writer Identification - Challenge 1: Latin/Greek Documents”, 13th International Conference on Frontiers in Handwriting Recognition (ICFHR'12), pp. 825-830, Bari, Italy, September 2012. Download

  60. I. Pratikakis, B. Gatos and K. Ntirogiannis, "ICFHR 2012 Competition on Handwritten Document Image Binarization (H-DIBCO 2012)", 13th International Conference on Frontiers in Handwriting Recognition (ICFHR'12), pp. 813-818, Bari, Italy, September 2012. Download

  61. K. Zagoris, I. Pratikakis, A. Antonacopoulos, B. Gatos and N. Papamarkos, "Handwritten and Machine Printed Text Separation in Document Images using the Bag of Visual Words Paradigm", 13th International Conference on Frontiers in Handwriting Recognition (ICFHR'12), pp. 103-108, Bari, Italy, September 2012. Download

  62. G. Louloudis, A. L. Kesidis and B. Gatos, “Efficient word retrieval using a multiple ranking combination scheme”, 10th International Workshop on Document Analysis Systems (DAS 2012), pp. 379-383, Gold Coast, Australia, March 2012. Download

  63. A. Papandreou and B. Gatos, “Word Slant Estimation Using Non-Horizontal Character Parts And Core-Region Information”, 10th International Workshop on Document Analysis Systems (DAS 2012), pp. 307-311, Gold Coast, Australia, March 2012. Download

  64. B. Gatos, G. Louloudis and N. Stamatopoulos, “Greek Polytonic OCR Based on Efficient Character Class Number Reduction”, 11th International Conference on Document Analysis and Recognition (ICDAR 2011), pp. 1155 - 1159, Beijing, China, September 2011. Download

  65. B. Gatos, A. Kesidis and A. Papandreou, “Adaptive Zoning Features for Character and Word Recognition”, 11th International Conference on Document Analysis and Recognition (ICDAR 2011), pp. 1160 - 1164, Beijing, China, September 2011. Download

  66. A. Kesidis and B. Gatos, “Efficient Cut-Off Threshold Estimation for Word Spotting Applications”, 11th International Conference on Document Analysis and Recognition (ICDAR 2011), pp. 279 - 283, Beijing, China, September 2011. Download

  67. K. Ntirogiannis, B. Gatos and I. Pratikakis, “Binarization of Textual Content in Video Frames”, 11th International Conference on Document Analysis and Recognition (ICDAR 2011), pp. 673 - 677, Beijing, China, September 2011. Download

  68. A. Papandreou and B. Gatos, “A Novel Skew Detection Technique Based on Vertical Projections”, 11th International Conference on Document Analysis and Recognition (ICDAR 2011), pp. 384 - 388, Beijing, China, September 2011. Download

  69. S. Colutto and B. Gatos,  “Efficient Word Recognition Using a Pixel-Based Dissimilarity Measure”, 11th International Conference on Document Analysis and Recognition (ICDAR 2011), pp. 1110 - 1114, Beijing, China, September 2011. Download

  70. I. Pratikakis, B. Gatos and K. Ntirogiannis, “ICDAR 2011 Document Image Binarization Contest (DIBCO 2011)”, 11th International Conference on Document Analysis and Recognition (ICDAR 2011), pp. 1506 - 1510, Beijing, China, September 2011. Download

  71. G. Louloudis, N. Stamatopoulos and B. Gatos, “ICDAR 2011 Writer Identification Contest”, 11th International Conference on Document Analysis and Recognition (ICDAR 2011), pp. 1475 - 1479, Beijing, China, September 2011. Download

  72. B. Gatos, N. Stamatopoulos and G. Louloudis, “ICFHR 2010 Handwriting Segmentation Contest”, 12th International Conference on Frontiers in Handwriting Recognition (ICFHR'10), pp. 737-742, Kolkata, India, November 2010. Download

  73. I. Pratikakis, B. Gatos, K. Ntirogiannis, “H-DIBCO 2010 – Handwritten Document Image Binarization Competition”, 12th International Conference on Frontiers in Handwriting Recognition (ICFHR'10), pp. 727-732, Kolkata, India, November 2010. Download

  74. N. Stamatopoulos, G. Louloudis and B. Gatos, “Efficient Transcript Mapping to Ease the Creation of Document Image Segmentation Ground Truth with Text-Image Alignment”, 12th International Conference on Frontiers in Handwriting Recognition (ICFHR'10), pp. 226-231, Kolkata, India, November 2010. Download

  75. N. Stamatopoulos, B. Gatos and T. Georgiou, “Page Frame Detection for Double Page Document Images”, 9th International Workshop on Document Analysis Systems (DAS'10), pp. 401-408, Boston, MA, USA, June 2010. Download

  76. G. Vamvakas, N. Stamatopoulos, B Gatos and S.J. Perantonis, “Automatic Unsupervised Parameter Selection for Character Segmentation”, 9th International Workshop on Document Analysis Systems (DAS'10), pp. 409-415, Boston, MA, USA, June 2010. Download

  77. B. Gatos, N. Stamatopoulos and G. Louloudis, "ICDAR2009 Handwriting Segmentation Contest", 10th International Conference on Document Analysis and Recognition (ICDAR'09), pp. 1393-1397, Barcelona, Spain, July 2009. Download

  78. B. Gatos, K. Ntirogiannis and I. Pratikakis, "ICDAR 2009 Document Image Binarization Contest (DIBCO 2009)", 10th International Conference on Document Analysis and Recognition (ICDAR'09), pp. 1375-1382, Barcelona, Spain, July 2009. Download

  79. B. Gatos and I. Pratikakis, "Segmentation-free Word Spotting in Historical Printed Documents", 10th International Conference on Document Analysis and Recognition (ICDAR'09), pp. 271-275, Barcelona, Spain, July 2009. Download

  80. G. Vamvakas, B. Gatos and S. J. Perantonis, "A Novel Feature Extraction and Classification Methodology for the Recognition of Historical Documents", 10th International Conference on Document Analysis and Recognition (ICDAR'09), pp. 491-495, Barcelona, Spain, July 2009. Download

  81. A. Nicolaou and B. Gatos, "Handwritten Text Line Segmentation by Shredding Text into its Lines", 10th International Conference on Document Analysis and Recognition (ICDAR'09), pp. 626-630, Barcelona, Spain, July 2009. Download

  82. G. Louloudis, N. Stamatopoulos and B. Gatos, "A Novel Two Stage Evaluation Methodology for Word Segmentation Techniques", 10th International Conference on Document Analysis and Recognition (ICDAR'09), pp. 686-690, Barcelona, Spain, July 2009. Download

  83. N. Stamatopoulos, B. Gatos and I. Pratikakis, "A Methodology for Document Image Dewarping Techniques Performance Evaluation", 10th International Conference on Document Analysis and Recognition (ICDAR'09), pp. 956-960, Barcelona, Spain, July 2009. Download

  84. K. Ntirogiannis, B. Gatos and I. Pratikakis, "A Modified Adaptive Logical Level Binarization Technique for Historical Document Images", 10th International Conference on Document Analysis and Recognition (ICDAR'09), pp. 1171-1175, Barcelona, Spain, July 2009. Download

  85. N. Stamatopoulos, G. Louloudis and B. Gatos, "A comprehensive evaluation methodology for noisy historical document recognition techniques", 3rd  Workshop on Analytics for Noisy Unstructured Text Data (AND'09), pp. 47-54, Barcelona, Spain, July 2009. Download 

  86. A. Kesidis, E. Galiotou, B. Gatos, A. Lampropoulos, I. Pratikakis, I. Manolessou and A. Ralli, "Accessing the content of Greek historical documents", 3rd  Workshop on Analytics for Noisy Unstructured Text Data (AND'09), pp. 55-62, Barcelona, Spain, July 2009. Download

  87. B. Gatos, I. Pratikakis and S. J. Perantonis, "Improved Document Image Binarization by Using a Combination of Multiple Binarization Techniques and Adapted Edge Information", 19th International Conference on Pattern Recognition (ICPR'08),  ISBN: 978-1-4244-2175-6/08, Tampa, Florida, USA, December 2008. Download

  88. B. Gatos, I. Pratikakis and S. J. Perantonis, "Efficient Binarization of Historical and Degraded Document Images", 8th International Workshop on Document Analysis Systems (DAS'08), pp. 447-454, Nara, Japan, September 2008. Download

  89. N. Stamatopoulos, B. Gatos, I. Pratikakis and S. J. Perantonis, "A Two-Step Dewarping of Camera Document Images", 8th International Workshop on Document Analysis Systems (DAS'08), pp. 209-216, Nara, Japan, September 2008. Download

  90. K. Ntirogiannis, B. Gatos and I. Pratikakis, "An Objective Evaluation Methodology for Document Image Binarization Techniques", 8th International Workshop on Document Analysis Systems (DAS'08), pp. 217-224, Nara, Japan, September 2008. Download

  91. G. Vamvakas, B. Gatos, N. Stamatopoulos, and S.J.Perantonis, "A Complete Optical Character Recognition Methodology for Historical Documents", 8th International Workshop on Document Analysis Systems (DAS'08), pp. 525-532, Nara, Japan, September 2008. Download

  92. M. Anthimopoulos, B. Gatos, and I. Pratikakis, "A Hybrid System for Text Detection in Video Frames", 8th International Workshop on Document Analysis Systems (DAS'08), pp. 286-292, Nara, Japan, September 2008. Download

  93. T. Konidaris, B. Gatos, S. J. Perantonis and A. Kesidis, "Keyword Matching in Historical Machine-Printed Documents Using Synthetic Data,Word Portions and Dynamic TimeWarping", 8th International Workshop on Document Analysis Systems (DAS'08), pp. 539-545, Nara, Japan, September 2008. Download

  94. N. Stamatopoulos, B. Gatos and S. J. Perantonis, "A Method for Combining Complementary Techniques for Document Image Segmentation", 11th International Conference on Frontiers in Handwriting Recognition (ICFHR'08), pp. 235-240, Montreal, Canada, August 2008. Download

  95. G. Louloudis, B. Gatos, I. Pratikakis and C. Halatsis, "Line and Word Segmentation of Handwritten Documents", 11th International Conference on Frontiers in Handwriting Recognition (ICFHR'08), pp. 247-252, Montreal, Canada, August 2008. Download

  96. K. Ntirogiannis, B. Gatos and I. Pratikakis, "An Objective Evaluation Methodology for Handwritten Image Document Binarization Techniques", 11th International Conference on Frontiers in Handwriting Recognition (ICFHR'08), pp. 586-591, Montreal, Canada, August 2008. Download

  97. G. Vamvakas, B. Gatos and S. J. Perantonis, "Hierarchical Classification of Handwritten Characters based on Novel Structural Features", 11th International Conference on Frontiers in Handwriting Recognition (ICFHR'08), pp. 535-539, Montreal, Canada, August 2008. Download

  98. B. Gatos, A. Antonacopoulos and N. Stamatopoulos, "ICDAR2007 Handwriting Segmentation Contest", 9th International Conference on Document Analysis and Recognition (ICDAR'07), pp. 1284-1288, Curitiba, Brazil, September 2007. Download

  99. A. Antonacopoulos, B. Gatos and D. Bridson, "ICDAR2007 Page Segmentation Competition", 9th International Conference on Document Analysis and Recognition (ICDAR'07), pp. 1279-1283, Curitiba, Brazil, September 2007. Download

  100. B. Gatos, I. Pratikakis and K. Ntirogiannis, "Segmentation Based Recovery of Arbitrarily Warped Document Images", 9th International Conference on Document Analysis and Recognition (ICDAR'07), pp. 989-993, Curitiba, Brazil, September 2007. Download

  101. M. Makridis, N. Nikolaou and B. Gatos, "An Efficient Word Segmentation Technique for Historical and Degraded Machine-Printed Documents", 9th International Conference on Document Analysis and Recognition (ICDAR'07), pp. 178-182, Curitiba, Brazil, September 2007. Download

  102. G. Louloudis, B. Gatos and C. Halatsis, "Text Line Detection in Unconstrained Handwritten Documents Using a Block-Based Hough Transform Approach", 9th International Conference on Document Analysis and Recognition (ICDAR'07), pp. 599-603, Curitiba, Brazil, September 2007. Download

  103. G. Vamvakas, B. Gatos, S. Petridis and N. Stamatopoulos, "An Efficient Feature Extraction and Dimensionality Reduction Scheme for Isolated Greek Handwritten Character Recognition", 9th International Conference on Document Analysis and Recognition (ICDAR'07), pp. 1073-1077, Curitiba, Brazil, September 2007. Download

  104. N. Stamatopoulos, B. Gatos and A. Kesidis, "Automatic Borders Detection of Camera Document Images", 2nd  International Workshop on Camera-Based Document Analysis and Recognition (CBDAR'07), pp. 71-78, Curitiba, Brazil, September 2007. Download

  105. G. Vamvakas, N. Stamatopoulos, B Gatos, I. Pratikakis and S. J. Perantonis, "Greek Handwritten Character Recognition", 11th Panhellenic Conference on Informatics (PCI 2007), pp. 343-352, Patras, Greece, May 2007. Download

  106. M. Anthimopoulos, B. Gatos and I. Pratikakis, "Text detection in video frames", 11th Panhellenic Conference on Informatics (PCI 2007), pp. 361-370, Patras, Greece, May 2007. Download

  107. A. Kesidis and B. Gatos, "A Robust Image Watermarking Technique Based on Spectrum Analysis and Pseudorandom Sequences", 2nd International Conference on Computer Vision Theory and Applications (VISAPP 2007), pp. 121-126, Barcelona, Spain, March, 2007. Download

  108. M. Anthimopoulos, B. Gatos and I. Pratikakis, "Multiresolution Text Detection in Video Frames", 2nd International Conference on Computer Vision Theory and Applications (VISAPP 2007), pp. 161-166, Barcelona, Spain, March 2007. Download

  109. M. Anthimopoulos, B. Gatos, I. Pratikakis, S. J. Perantonis, "Detecting Text in Video Frames", The Fourth IASTED International Conference on Signal Processing, Pattern Recognition, and Applications (SPPRA 2007), ISBN: 978-0-88986-646-1, pp. 39-44, Innsbruck, Austria, February 2007. Download

  110. B. Gatos and K. Ntirogiannis, "Restoration of Arbitrarily Warped Document Images Based on Text Line and Word Detection", The Fourth IASTED International Conference on Signal Processing, Pattern Recognition, and Applications (SPPRA 2007), ISBN: 978-0-88986-646-1, pp. 203-208, Innsbruck, Austria, February 2007. Download

  111. G. Vamvakas, B. Gatos, I. Pratikakis, N. Stamatopoulos, A. Roniotis and S.J. Perantonis, "Hybrid Off-Line OCR for Isolated Handwritten Greek Characters", The Fourth IASTED International Conference on Signal Processing, Pattern Recognition, and Applications (SPPRA 2007), ISBN: 978-0-88986-646-1, pp. 197-202, Innsbruck, Austria, February 2007. Download

  112. B. Gatos, I. Pratikakis, A.L. Kesidis and S.J. Perantonis, "Efficient Off-Line Cursive Handwritten Word Recognition", 10th International Workshop on Frontiers in Handwriting Recognition (IWFHR 2006),  pp. 121-125,  La Baule, France,  October 2006. Download

  113. G. Louloudis, K. Halatsis, B. Gatos, I. Pratikakis, "A Block-Based Hough Transform Mapping for Text Line Detection in Handwritten Documents", 10th International Workshop on Frontiers in Handwriting Recognition (IWFHR 2006),  pp. 515-520, La Baule, France, October 2006. Download

  114. B. Gatos, I. Pratikakis and S.J. Perantonis, "Hybrid Off-Line Cursive Handwritten Word Recognition", 18th International Conference on Pattern Recognition (ICPR2006), pp. 998-1001, Hong Kong, August 2006. Download

  115. D. Kosmopoulos, S. Petridis, I. Pratikakis, B. Gatos, S. Perantonis, V. Karkaletsis, G. Paliouras, "Knowledge Acquisition from Multimedia Content using an Evolution Framework, 3rd. IFIP Conference on Artificial Intelligence Applications & Innovations, pp. 557-565, Athens, Greece, June 2006. Download

  116. Β. Gatos, T. Konidaris, I. Pratikakis and S. Perantonis, "A holistic methodology for keyword search in historical typewritten documents", 4th Hellenic Conference on Artificial Intelligence, Lecture Notes in Computer Science (LNCS), vol. 3955, pp. 490-493, Irakleion, Greece, May 2006. Download

  117.  I. Pratikakis, B. Gatos and Stelios C.A. Thomopoulos, "Scene categorisation using low-level visual features", International Conference on Computer Vision Theory and Applications (VISAPP06), pp. 155-160, Setubal, Portugal, Feb. 25-28, 2006.

    118. Download

  118. C. D. Spyropoulos, G. Paliouras, V. Karkaletsis, D. Kosmopoulos, I. Pratikakis, S. Perantonis, B. Gatos, "BOEMIE: Bootstrapping Ontology Evolution with Multimedia Information Extraction",  2nd European Workshop on Integration of Knowledge, Semantic and Digital Media Technologies, pp. 419-420, London, UK, November 2005. Download

  119. B. Gatos, T. Konidaris, K. Ntzios, I. Pratikakis and S. J. Perantonis, "A Segmentation-free Approach for Keyword Search in Historical Typewritten Documents", 8th International Conference on Document Analysis and Recognition (ICDAR'05), pp. 54-58, Seoul, Korea, August 2005. Download

  120. K. Ntzios, B. Gatos, I. Pratikakis, T. Konidaris and S. J. Perantonis, "An Old Greek Handwritten OCR System", 8th International Conference on Document Analysis and Recognition (ICDAR'05), pp. 64-68, Seoul, Korea, August 2005. Download

  121. A. Antonacopoulos, B. Gatos and D. Bridson, "ICDAR2005 Page Segmentation Competition", 8th International Conference on Document Analysis and Recognition (ICDAR'05), pp. 75-79, Seoul, Korea, August 2005. Download

  122. Β. Gatos, Ι. Pratikakis and Perantonis S.J. "Text detection in indoor/outdoor scene images", First International Workshop on Camera-based Document Analysis and Recognition (CBDAR'05), pp. 127-132, Seoul, Korea, August 2005. Download

  123. B. Gatos, D. Danatsas, I. Pratikakis and S. J. Perantonis, "Automatic Table Detection in Document Images", 3rd International Conference on Advances in Pattern Recognition (ICAPR'05), pp. 612-621, Path, UK, August 2005. Download

  124. B. Gatos, I. Pratikakis and S.J. Perantonis, "Towards text recognition in natural scene images", 5th International Conference on Automation and Technology (ICTA'05), pp. 354-359, Thessaloniki, Greece, 2005. Download

  125. I. Pratikakis, I. Vanhamel, H. Sahli, B. Gatos and S. Perantonis, "Object-driven content-based image retrieval", 12th International Workshop on Systems, Signals and Image Processing (IWSSIP'05), pp. 189-193, INDERSCIENCE Publishers, ISBN 0-907776-20-5, 22-24 September, Chalkida, Greece, 2005. Download

  126. I. Pratikakis, I. Vanhamel, H, Sahli, B, Gatos and S. Perantonis, "Watershed-driven region-based image retrieval", International Symposium on Mathematical Morphology, pp. 207-216, Paris, France, 2005.

  127. C.D. Spyropoulos, G. Paliouras, V. Karkaletsis, D. Kosmopoulos, I. Pratikakis, S. Perantonis, B. Gatos, "BOEMIE: bootstrapping ontology evolution with multimedia information extraction", 2nd European Workshop on the Integration of Knowledge, Semantics and Digital Media Technology (EWIMT 2005) pp. 419-420, 2005. Download

  128. I. Pratikakis, I. Vanhamel, H. Sahli, Z. Efraimidis, B. Gatos and S. Perantonis, "Unsupervised region-based image retrieval", European Workshop on the Integration of Knowledge, Semantic and Digital Media Technologies, pp. 39-46, London, UK, 2004.

  129. B. Gatos, K. Ntzios, I. Pratikakis, S. Petridis, T. Konidaris and S. J. Perantonis, "A segmentation-free recognition technique to assist old Greek handwritten manuscript OCR", IAPR Workshop on Document Analysis systems (DAS'2004), Lecture Notes in Computer Science (3163), pp. 63-74, Florence, Italy, September 2004. Download

  130. B. Gatos, I. Pratikakis and S. J. Perantonis, "An adaptive binarisation technique for low quality historical documents", IAPR Workshop on Document Analysis systems (DAS’2004), Lecture Notes in Computer Science (3163), pp. 102-113, Florence, Italy, September 2004. Download

  131. B. Gatos, I. Pratikakis and S. J. Perantonis, "Locating Text in historical collection manuscripts", 3rd Hellenic Conference on Artificial Intelligence, Lecture Notes in Artificial Intelligence (3025), pp. 476-485, Samos, Greece, May 2004. Download

  132. S. J. Perantonis, B. Gatos, V. Maragos, V. Karkaletsis and G. Petasis, "Text Area Identification in Web Images", 3rd Hellenic Conference on Artificial Intelligence, Lecture Notes in Artificial Intelligence (3025), pp. 82-92, Samos, Greece, May 2004. Download

  133. B. Gatos, N. Papamarkos and S. J. Perantonis, "Comparing Point and Block Representation in Computer Vision and Image Processing Tasks", 3rd Hellenic Conference on Artificial Intelligence, pp. 217-226, Samos, Greece, 2004. Download

  134. S. J. Perantonis, B. Gatos and V. Maragos, "A Novel Web Image Processing Algorithm for Text Area Identification that Helps Commercial OCR Engines to Improve Their Web Image Recognition Efficiency", Second International Workshop on Web Document Analysis (WDA2003), pp. 61-64, Edinburgh, Scotland, August 2003. Download

  135. A. Antonacopoulos, B. Gatos and D. Karatzas, "ICDAR 2003 Page Segmentation Competition", 7th International Conference on Document Analysis and Recognition (ICDAR'03), pp. 688-692, Edinburgh, Scotland, August 2003. Download

  136. B. Gatos and N. Papamarkos, "Applying Fast Segmentation Techniques at a Binary Image Represented by a Set of Non-Overlapping Blocks", Sixth International Conference on Document Analysis and Recognition (ICDAR'01), pp. 1147-1151, Seattle, USA, September 2001. Download

  137. B. Gatos, S. L. Mantzaris and A. Antonacopoulos, “First International Newspaper Segmentation Contest”, Sixth International Conference on Document Analysis and Recognition (ICDAR'01), pp. 1190-1194, Seattle, USA, September 2001. Download

  138. B. Gatos, S. L. Mantzaris and N. Gouraros, “An Integrated System for Creating a Digital Library from Newspaper Archives”, Digital Resources for the Humanities (DRH2001) Conference, page 37, London, U.K., July 2001. Download

  139. S. L. Mantzaris, B. Gatos and N. Gouraros, "Creating a Digital Library from Newspaper Archives", 2001 Symposium on Document Image Understanding Technology, pp. 285-287, Columbia, Maryland, April 2001.

  140. B. Gatos, N. Papamarkos, I. Andreadis and S. J. Perantonis, “Applying Morphological Transformations on a Block Represented binary Image”, Fourth International Workshop on Document Analysis Systems (DAS2000), pp. 487-495, Rio de Janeiro, Brazil, December 2000. Download

  141. B. Gatos and S. L. Mantzaris, “A novel recursive algorithm for area location using isothetic polygons”, 15th International Conference on Pattern Recognition (ICPR2000), pp. 496-499, Barcelona, Spain, September 2000. Download

  142. S. L. Mantzaris, B. Gatos, N. Gouraros and P. Tzavelis, “Integrated Search Tools for Newspaper Digital Libraries”, ACM Conference on Research and Development in Information Retrieval (SIGIR 2000), page 389, Athens, Greece, July 2000. Download

  143. B. Gatos, N. Gouraros, S. L. Mantzaris and P. Tzavelis, "A Digital Library from Newspaper Archives", demonstration at Digital Libraries 2000:The Fifth ACM Conference on Digital Libraries (DL'00), San Antonio, Texas, June 2000.

  144. S.L. Mantzaris, B. Gatos, N. Gouraros and S. J. Perantonis, “Linking Article Parts for the Creation of a Newspaper Digital Library”, Content-Based Multimedia Information Access International Conference (RIAO2000), pp. 997-1005, Paris, France, April 2000. Download

  145. B. Gatos, S. L. Mantzaris, K. V. Chandrinos, A. Tsigris and S. J. Perantonis, "Integrated Algorithms for Newspaper Page Decomposition and Article Tracking", Fifth International Conference on Document Analysis and Recognition (ICDAR'99), pp. 559-562, Bangalore, India, September 1999. Download

  146. B. Gatos, N. Gouraros, S. Mantzaris, S. Perantonis, A. Tsigris, P. Tzavelis and N. Vassilas, “A new Method for Segmenting Newspaper Articles”, Second European Conference On Research and Advanced Technology for Digital Libraries (ECDL’98), pp. 695-696, Heraklion, Crete, Greece, September 1998. Download

  147. S. Perantonis, B. Gatos and N. Papamarkos, "Image segmentation and linear feature identification using rectangular block decomposition", Third IEEE Int. Conf. On Electronics, Circuits and Systems, ICECS 96, pp. 183-186, Rodos, Greece, 1996.

  148. N. Papamarkos, J. Tzortzakis and B. Gatos, "Determination of Run-Length smoothing values for document segmentation”, Third IEEE Int. Conf. On Electronics, Circuits and Systems, ICECS 96, pp. 684-687, Rodos, Greece, 1996. Download

  149. A. Benaki, B. Gatos, E. Karamani, D. Karras, S. Perantonis, N. Basilas, H. Harou, S. Varoufakis, "A sensor driven robot arm for playing chess", 5th Hellenic Conference on Informatics – Session: Artificial Intelligence I, pp. 471-480, Athens, Greece, December 1995.

  150. B. Gatos, “Optical Character Recognition Techniques”, 5th Hellenic Conference on Informatics – Session: Ph.D. Consortium I, Athens, Greece, December 1995.

  151. B. Gatos and N. Papamarkos, " On the development of an OCR system based on curvature features", IEEE International Symposium on Industrial Electronics (ISIE'95), pp. 205-210, Athens, July 10-14,1995

  152. B. Gatos, N. Papamarkos and C. Chamzas, "Skew detection of digitized documents using cross-correlation", 5th International Conf. On Advances in Communication & Control - Telecommunications/Signal Processing in the Multimedia Era (COMCON 5), pp. 124-130, Rethymno, Greece, 1995.

  153. A. Benaki, B. Gatos, E. Karamani, D. Karras, S. Perantonis, N. Basilas and N. Gaitanis, "A Robot Hand-Eye Coordination System for 3-D Object Recognition Using Novel Neural Networks Trained with Multiview Moments", European Robotics and Intelligence Systems Conference (EURISCON '94), pp. 1692-1701, Malaga, Spain, 1994.

  154. T. Tambourantzi and B. Gatos, "A Topology-Preserving Harmony Theory Network for Optical Character Recognition", 4th International Conference on Artificial Neural Networks (ICANN '94) from the Springer Verlag LTD. London, p. 977, Sorento, Italy, May 1994.

  155. B. Gatos and N. Papamarkos, " A novel method for character recognition", Proc. of the 4th International Conf. On Advances in Communication & Control - Telecommunications/Signal Processing in the Multimedia Era (COMCON 4), pp. 493-503, Rodos, Greece, June 1993.

  156. B. Gatos, D. Karras and S. Perantonis, "Optical Character Recognition Using Novel Feature Extraction & Neural Network Classification Techniques", Proc. of the Workshop on Neural Network Application and Tools, IEEE Computer Society Press, pp. 65-72, Liverpool, UK, September 1993. Download

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 Last updated: 07-09-2023.