Publications List

[Last Updated: 2015]

For up to date information, please check my Google Scholar profile or the CVC publications page.

Journal Publications

The achromatic locus: Effect of navigation direction in color space

T. Chauhan, E. Perales, K. Xiao, E. Hird, D. Karatzas and S. Wuerger

Journal of Vision, Vol. 14(1), doi:10.1167/14.1.25, January 2014

[5Y Impact Factor: 2.99 / 1st (Ophthalmology)]

Modelling task-dependent eye guidance to objects in pictures

A. Clavelli, D. Karatzas, J. Llados, M. Ferraro, G. Boccignone

Cognitive Computation, accepted for publication, 2014

[5Y Impact Factor: 1.14 / 3rd (Computer Science, Artificial Intelligence)]

Unique Hue Data for Colour Appearance Models. Part II: Chromatic Adaptation Transform

K. Xiao, C. Fu, D. Mylonas, D. Karatzas and S. Wuerger

Color Research & Application, Wiley, DOI: 10.1002/col.20725, Vol. 38(1), pp. 22-29, February 2013

[5Y Impact Factor: 1.07 / 3rd (Engineering, Chemical)]

[ further details]   [ full paper]

Blue–green color categorization in Mandarin–English speakers

S. Wuerger, K. Xiao, D. Mylonas, Q. Huang, D. Karatzas and G. Paramei

Journal of the Optical Society of America - A, Vol. 29(2), pp. A102-A107, February 2012

[Impact Factor: 1.93 / 1st (Optics)]

[ further details]   [ full paper]

A Generic Framework for Median Graph Computation based on a Recursive Embedding Approach

M. Ferrer, D. Karatzas, E. Valveny, I. Bardaji, H. Bunke

Computer Vision and Image Understanding Vol. 115, Num. 7, pp. 919-928, July 2011

[Impact Factor: 1.68 / 2nd (Computer Science, Artificial Intelligence)]

[ further details]    [ full paper]

Unique Hue Data for Colour Appearance Models. Part I: Loci of Unique Hues and Hue Uniformity

K. Xiao, S. Wuerger, C. Fu and D. Karatzas

Color Research & Application, Wiley, Vol. 36, Num. 3, DOI: 10.1002/col.20637, June 2011

[Impact Factor: 0.82 / 3rd (Engineering, Chemical)]

[ further details]   [ full paper]

Investigation of Unique Hue Setting Changes with Ageing

C. Fu, K. Xiao, D. Karatzas and S. Wuerger

Chinese Optics Letters, Vol. 9, Num. 5, pp. 053301-1-5, May 2011

[Impact Factor: 0.80 / 3rd (Optics)]

[ further details]   [ full paper]

Visual Gamma Correction for LCD Displays

K. Xiao, C. Fu, D. Karatzas and S. Wuerger

Displays, Elsevier, Vol. 32, Num. 1, pp. 17-23, DOI: 10.1016/j.displa.2010.09.003, , January 2011

[Impact Factor: 0.812 / 3rd (Computer Science, Hardware & Architecture)]

[ further details]   [ full paper]

Colour-opponent mechanisms are not affected by age-related chromatic sensitivity changes

S. Wuerger, K. Xiao, C. Fu and D. Karatzas

Ophthalmic and Physiological Optics, Wiley-Blackwell, Vol. 30, Num. 5, pp 635-659, 2010

[Impact Factor: 1.15 / 3rd (Ophthalmology)]

[ further details]   [ full paper]

Rotation Invariant Hand-drawn Symbol Recognition based on a Dynamic Time Warping Model

A. Fornes, J. Llados, G. Sanchez and D. Karatzas

International Journal on Document Analysis and Recognition, Vol. 13, Num. 3, pp. 229-241, 2010

[Impact Factor: 1,21 / 3rd (Computer Science, Artificial Intelligence)]

[ further details]   [ full paper]

Generation of Synthetic Documents for Performance Evaluation of Symbol Recognition & Spotting Systems

M. Delalandre, E. Valveny, T. Pridmore and D. Karatzas

International Journal on Document Analysis and Recognition, Vol. 13, Num. 3, pp. 187-207, 2010

[Impact Factor: 1,21 / 3rd (Computer Science, Artificial Intelligence)]

[ further details]   [ full paper]

A Generic Architecture for the Conversion of Document Collections into Semantically Annotated Digital Archives

J. Lladós, D. Karatzas, J. Mas and G. Sanchez

Journal of Universal Computer Science, Vol. 14, Num. 18, pp. 2912-2935, 2008

[Impact Factor: 0,31]

[ further details]   [ full paper]

Colour Text Segmentation in Web Images Based on Human Perception

D. Karatzas, A. Antonacopoulos

Image and Vision Computing, Vol. 25, Issue 5, Elsevier, May 2007, pp. 564-577

[Impact Factor: 1,383]

[ further details]   [ full paper]

Teaching Old Sensors New Tricks: Archetypes of Intelligence

D. Karatzas, A. Chorti, N.M.White and C.J.Harris

IEEE Sensors Journal: Special Issue on Intelligent Sensing, Vol. 7, Issue 5, IEEE Press, 2007, pp. 868-881

[Impact Factor: 1,117]

[ further details]   [ full paper]

Use of the Extended Kalman Filter for State Dependent Drift Estimation in Weakly Nonlinear Sensors

A. Chorti, D. Karatzas, N.M.White and C.J.Harris

Sensor Letters, Vol. 4, No. 4, American Scientific Publishers, December 2006, pp. 377-379

[Impact Factor: 1,085]

[ further details]   [ full paper]

Book Chapters

Logo and Trademark Recognition

A. Kesidis and D. Karatzas

in the book: Handbook of Document Image Processing and Recognition, D. Doermann, K. Tombre (Eds.), ISBN 978-0-85729-858-4, Springer, May 2014

Median Graph Computation by Means of Graph Embedding into Vector Spaces

M. Ferrer, I. Bardají, E. Valveny, D. Karatzas, H. Bunke

in the book: Graph Embedding for Pattern Analysis, Yun Fu, Yunqian Ma (Eds.), DOI 10.1007/978-1-4614-4457-2 3, Springer, 2013, pp. 45-72

A Fuzzy Approach to Text Segmentation in Web Images Based on Human Colour Perception

A. Antonacopoulos, D. Karatzas

in the book: Web Document Analysis: Challenges and Opportunities, A. Antonacopoulos and J. Hu (Eds.), Series in Machine Perception and Artificial Intelligence, World Scientific Publishing Company, 2003, pp. 203-221

[ further details]   [ full paper]

Visual Representation of Text in Web Documents and Its Interpretation

D. Karatzas, A. Antonacopoulos

in the book: Multidisciplinary Approaches to Visual Representations and Interpretations, G.R. Malcolm (Ed.), Series: Studies in Multidisciplinarity, Vol.2, Elsevier, 2004, pp. 181-196

[ further details]   [ full paper]

Conference Publications

An on-line platform for ground truthing and performance evaluation of text extraction systems

D. Karatzas, S. Robles Mestre and Ll. Gómez

10th IAPR Int. Workshop on Document Analysis Systems, Tours, France, 2014

A Cache Language Model for Whole Document Handwriting Recognition

V. Frinken, D. Karatzas and A. Fischer

10th IAPR Int. Workshop on Document Analysis Systems, Tours, France, 2014

Color descriptor for content-based drawing retrieval

C. Rigaud, J.-C. Burie, D. Karatzas and J.-M. Ogier

10th IAPR Int. Workshop on Document Analysis Systems, Tours, France, 2014

Fast structural matching for document image retrieval through spatial database

H. Gao, M. Rusiñol, D. Karatzas and J. Lladós

21st International Conference on Document Recognition and Retrieval, DRR14 2014

Towards Multispectral Data Acquisition with Hand-held Devices

R. Khan, J. van de Weijer, D. Karatzas, D. Muselet

2013 IEEE International Conference on Image Processing (ICIP2013), Melbourne, Australia, 2013

ICDAR 2013 Robust Reading Competition

D. Karatzas, S. Uchida, F. Shafait, M. Iwamura, L. Gomez i Bigorda, D. Fernandez Mota, J. Almazàn Almazàn, L.P. de las Heras, S. Robles Mestre and J. Mas

12th International Conference on Document Analysis and Recognition (ICDAR13), pp. 1484-1493, 2013

An active contour model for speech balloon detection in comics

C. Rigaud, J.-C. Burie, J.-M. Ogier, D. Karatzas and J. van de Weijer

12th International Conference on Document Analysis and Recognition (ICDAR13), pp. 1240-1244, 2013

Multi-script Text Extraction from Natural Scenes

L. Gómez and D. Karatzas

12th International Conference on Document Analysis and Recognition (ICDAR13), pp. 467-471, 2013

Key-region Detection for Document Images – Application to Administrative Document Retrieval

H. Gao, M. Rusiñol, D. Karatzas, J. Lladós, T. Sato, M. Iwamura, K. Kise

12th International Conference on Document Analysis and Recognition (ICDAR13), pp. 230-234, 2013

Document Classification and Page Stream Segmentation for Digital Mailroom Applications

A. Gordo, M. Rusiñol, D. Karatzas and A. Bagdanov

12th International Conference on Document Analysis and Recognition (ICDAR13), pp. 621-625, 2013

Towards Modelling an Attention-based Text Localization Process

A. Clavelli, D. Karatzas, J. Lladós, M. Ferraro, and G. Boccignone

6th Iberian Conference on Pattern Recognition and Image Analysis, Vol. 7887, Lecture Notes on Computer Science, pp. 296-303, 2013

Classification of Administrative Document Images by Logo Identification

M. Rusiñol, V. Poulain d'Andecy, D. Karatzas and J. Lladós

In Graphics Recognition. New Trends and Challenges, Vol. 7423, Lecture Notes on Computer Science, pp. 49-58, 2013

Spotting Graphical Symbols in Camera-Acquired Documents in Real Time

M. Rusiñol, D. Karatzas and J. Lladós

10th IAPR International Workshop on Graphics Recognition, GREC13, 2013

Speech balloon contour classification in comics

C. Rigaud, D. Karatzas, J.-C. Burie, J.-M. Ogier

10th IAPR International Workshop on Graphics Recognition, GREC13, 2013

An Interactive Appearance-based Document Retrieval System for Historical Newspapers

H. Gao, M. Rusiñol, D. Karatzas, A. Antonacopoulos and J. Lladós

9th International Conference on Computer Vision Theory and Applications, pp. 84-87, 2013

Automatic Text Localisation in Scanned Comic Books

C. Rigaud, D. Karatzas, J. Van de Weijer, J.-C. Burie, J.-M. Ogier

9th International Conference on Computer Vision Theory and Applications, pp. 814-819, 2013

Multipage Document Retrieval by Textual and Visual Representations

M. Rusiñol, D. Karatzas, A. Bagdanov and J. Llados

21st International Conference on Pattern Recognition, IEEE CPS, pp 521-524, 2012

ICDAR 2011 Robust Reading Competition – Challege 1: Reading Text in Born-Digital Images (Web and Email)

D. Karatzas, S. Robles Mestre, J. Mas, F. Nourbakhsh, P. Pratim Roy

11th International Coference on Document Analysis and Recognition, IEEE CPS, pp 1485-1490, 2011

[ further details]   [ full paper]

Interactive Trademark Image Retrieval by Fusing Semantic and Visual Content

M. Rusinol, D. Aldavert, D. Karatzas, R. Toledo and J. Llados

Advances in Information Retrieval. Proceedings of the Thirty-third European Conference on Information Retrieval, Lecture Notes in Computer Science series, volume 6611, Springer, pp 314-325, 2011

[ further details]   [ full paper]

Perceptual Image Retrieval by Adding Color Information to the Shape Context Descriptor

M. Rusinol, F. Nourbakhsh, D. Karatzas, E. Valveny and J. Llados

Proceedings of the 20th International Conference on Pattern Recognition, IEEE Press, pp. 1594-1597, Istanbul, Turkey, 2010

[ further details]   [ full paper]

A Framework for the Assessment of Text Extraction Algorithms on Complex Colour Images

A. Clavelli, D. Karatzas and J. Llados

Proceedings of the 9th IARP Workshop on Document Analysis Systems, ACM Press, pp. 19-28, Boston, MA, USA, 2010

[ further details]   [ full paper]

A Polar-based Logo Representation based on Topological and Colour Features

F. Nourbakhsh, D. Karatzas and E. Valveny

Proceedings of the 9th IARP Workshop on Document Analysis Systems, ACM Press, pp. 341-348, Boston, MA, USA, 2010

[ further details]   [ full paper]

Changes in Colour Perception Across the Life-span

C. Fu, S. Wuerger, K. Xiao and D. Karatzas

Proceedings proceedings of the 11th Congress of the International Colour Association (AIC), Sydney, Australia, September 2009

[ further details]   [ full paper]

An Improved Method of Visual Gamma Correction for LCD Displays

K. Xiao, C. Fu, D. Karatzas and S. Wuerger

Proceedings proceedings of the 11th Congress of the International Colour Association (AIC), Sydney, Australia, September 2009

[ further details]   [ full paper]

Colour-Opponent Mechanisms are not Affected by Sensitivity Changes Across the Life Span

S. Wuerger, C. Fu, K. Xiao and D. Karatzas

Proceedings proceedings of the 11th Congress of the International Colour Association (AIC), Sydney, Australia, September 2009

[ further details]   [ full paper]

Text Segmentation in Colour Posters from the Spanish Civil War Era

A. Clavelli and D. Karatzas

Proceedings of the 10th International Conference on Document Analysis and Recognition, IEEE Computer Society, Vol. 1, pp. 181-185, Barcelona, Spain, 2009

[ further details]   [ full paper]

A Recursive Embedding Approach to Median Graph Computation

M. Ferrer, D. Karatzas, E. Valveny and H. Bunke

Proceedings of the 7th IAPR -TC-15 Workshop on Graph-based Representations in Pattern Recognition, LNCS 5534, pp. 113-123, Venice, Italy, 2009

[ further details]   [ full paper]

Segmentation Robust to the Vignette Effect for Machine Vision Systems

D. Karatzas, M. Rusinol, A. Jacobus, M. Ferrer

Proceedings of the 19th International Conference on Pattern Recognition, IEEE Computer Society, Tampa, USA, 2008

[ further details]   [ full paper]

Detecting Gradients in Text Images Using the Hough Transform

D. Karatzas

Proceedings of the 8th IARP Workshop on Document Analysis Systems, IEEE Press, Vol. 1, pp. 245-252, Nara, Japan, 2008

[ further details]   [ full paper]

Histosketch: A Semi-Automatic Annotation Tool for Archival Documents

J. Mas, J.A. Rodriguez, D. Karatzas, G. Sanchez, J. Lladós

Proceedings of the 8th IARP Workshop on Document Analysis Systems, IEEE Press, Vol. 1, pp. 517-524, Nara, Japan, 2008

[ further details]   [ full paper]

Intelligent Sensors in Software: The Use of Parametric Models for Phase Noise Analysis

A. Chorti, D. Karatzas, N.M.White and C.J. Harris

Proceedings of the 4th International Conference on Intelligent Sensing and Information Processing (ICISIP2006), Bangalore, India, December 15 - 18, IEEE Press, pp. 191-196, 2006

[ further details]   [ full paper]

Ground Truth for Layout Analysis Performance Evaluation

A. Antonacopoulos, D. Karatzas, D. Bridson

in the book: Document Analysis Systems VII: Proceedings of the International Association for Pattern Recognition (IAPR) Workshop on Document Analysis Systems (DAS2006), H. Bunke and A.L. Spitz (Eds.), Springer Lecture Notes in Computer Science, LNCS 3872, 2006, pp. 302-311

[ further details]   [ full paper]

Semantics-Based Content Extraction in Typewritten Historical Documents

A. Antonacopoulos, D. Karatzas

Proceedings of the 8th International Conference on Document Analysis and Recognition (ICDAR2005), Seoul, Korea, August 29 - September 1, 2005, IEEE, pp. 48-53

[ further details]   [ full paper]

A Display Calibration Technique based on Invariant Human Colour Mechanisms

S.M. Wuerger, D. Karatzas, G.F. Meyer

Proceedings of the 2nd Symposium on Applied Perception in Graphics and Visualisation (APGV2005), A Coruna, Spain, August 26 - August 28, 2005, ACM Press, p. 171

[ further details]   [ full paper]

The Lifecycle of a Digital Historical Document: Structure and Content

A. Antonacopoulos, D. Karatzas, H. Krawczyk, B. Wiszniewski

Proceedings of the ACM Symposium on Document Engineering (DocEng2004), Milwaukee, Wisconsin, October 28-30, 2004, ACM Press, pp. 147-154

[ further details]   [ full paper]

A Complete Approach to the Conversion of Typewritten Historical Documents for Digital Archives

A. Antonacopoulos, D. Karatzas

in the book: Document Analysis Systems VI: proceedings of the 6th International Association of Pattern Recognition (IAPR) Workshop on Document Analysis Systems (DAS2004), S. Marinai and A. Dengel (Eds.), Springer Lecture Notes in Computer Science, LNCS 3163, 2004, pp. 90-101

[ further details]   [ full paper]

Text Extraction from Web Images Based on A Split-and-Merge Segmentation Method Using Color Perception

D. Karatzas, A. Antonacopoulos

Proceedings of the 17th International Conference on Pattern Recognition (ICPR2004), Vol.2, Cambridge, UK, August 23-26, 2004, IEEE-CS Press, pp. 634-637

[ further details]   [ full paper]

Document Image Analysis for World War II Personal Records

A. Antonacopoulos, D. Karatzas

Proceedings of the International Workshop on Document Image Analysis for Libraries (DIAL2004), Palo Alto Research Center (PARC), January 23-24, IEEE-CS Press, 2004, pp. 336-341

[ further details]   [ full paper]

Two Approaches for Text Segmentation in Web Images

D. Karatzas, A. Antonacopoulos

Proceedings of the 7th International Conference on Document Analysis and Recognition (ICDAR2003), Edinburgh, UK, August 2003, IEEE-CS Press, pp. 131-136

[ further details]   [ full paper]

ICDAR2003 Page Segmentation Competition

A. Antonacopoulos, B. Gatos, D. Karatzas

Proceedings of the 7th International Conference on Document Analysis and Recognition (ICDAR2003), Edinburgh, UK, August 2003, IEEE-CS Press, pp. 688-692

[ further details]   [ full paper]

Fuzzy Segmentation of Characters in Web Images Based on Human Colour Perception

A. Antonacopoulos, D. Karatzas

in the book: Document Analysis Systems V: Proceedings of the International Association for Pattern Recognition (IAPR) Workshop on Document Analysis Systems (DAS2002), D. Lopresti, J. Hu and R. Kashi (Eds.), Springer Lecture Notes in Computer Science, LNCS 2423, pp. 295-306

[ further details]   [ full paper]

Visual Representation of Text in Web Documents and Its Interpretation

D. Karatzas, A. Antonacopoulos

Proceedings of 2nd Workshop on Visual Representations and Interpretations (VRI), Liverpool, UK, September 2002

Text Extraction from Web Images Based on Human Perception and Fuzzy Inference

A. Antonacopoulos, D. Karatzas

Proceedings of the First International Workshop on Web Document Analysis (WDA2001), Seattle, USA, September 2001, PRImA Press, pp. 35-38

[ further details]   [ full paper]

Accessing Textual Information Embedded in Internet Images

A. Antonacopoulos, D. Karatzas, J. Ortiz Lopez

Proceedings of SPIE, Internet Imaging II, San Jose, USA, January 2001, Vol. 4311, pp. 198-205

[ further details]   [ full paper]

An Anthropocentric Approach to Text Extraction from WWW Images

A. Antonacopoulos, D. Karatzas

Proceedings of 4th IAPR International Workshop on Document Analysis Systems, Rio de Janeiro, Brazil, December 2000, pp. 515-525

[ further details]   [ full paper]

A Software Package Development for Electron Diffraction Image Analysis

D. Karatzas, Ch. Lioutas

Proceedings of the XIV Solid State Physics National Conference, Ioannina, Greece, 1998

Refereed Journals, not indexed in JCR

Intelligent Sensors in Software: The Use of Parametric Models for Phase Noise Analysis

A. Chorti, D. Karatzas, N.M. White and C.J. Harris

International Journal of Information Processing, IK International Publishers, Vol. 1, Num. 2, 2007

A Hardware-Independent Colour Calibration Technique

D. Karatzas, S.M. Wuerger

Annals of the British Machine Vision Association, Vol. 2007, Num. 3, 2007, pp. 1-10

[ further details]   [ full paper]

Thesis

Text Segmentation in Web Images Using Colour Perception and Topological Features

D. Karatzas

PhD Thesis, University of Liverpool, 2003

[ further details]   [ full thesis]

Other

CVC-UAB's participation in the Flowchart Recognition Task of CLEF-IP 2012

M. Rusiñol, L.P. de las Heras, J. Mas, O. Ramos Terrades, D. Karatzas, A. Dutta, G. Sanchez, J. Llados

Conference and Labs of the Evaluation Forum, Online Working Notes, 2012

Report on Web Document Analysis Discussion Group

D. Karatzas, R. Haralick

to appear in the book: Document Analysis Systems IV, A. Amin and N. Murshed (Eds.), Springer

[ further details]   [ full report]

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