Ioannis Pratikakis

According to our database, Ioannis Pratikakis authored at least 145 papers between 1996 and 2023.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of three.

2023

SHREC 2023: Point cloud change detection for city scenes.

Yang Gao, Honglin Yuan, Tao Ku, Remco C. Veltkamp, Georgios Zamanakos, Lazaros T. Tsochatzidis, Angelos Amanatiadis, Ioannis Pratikakis, Aliki Panou, Ioannis Romanelis, Vlassis Fotis, Gerasimos Arvanitis, Konstantinos Moustakas

Comput. Graph., October, 2023

A Survey on Map-Based Localization Techniques for Autonomous Vehicles.

Athanasios Chalvatzaras, Ioannis Pratikakis, Angelos A. Amanatiadis

IEEE Trans. Intell. Veh., February, 2023

Exploring Bias in Sclera Segmentation Models: A Group Evaluation Approach.

Matej Vitek, Abhijit Das, Diego Rafael Lucio, Luiz A. Zanlorensi, David Menotti, Jalil Nourmohammadi-Khiarak, Mohsen Akbari Shahpar, Meysam Asgari-Chenaghlu, Farhang Jaryani, Juan E. Tapia, Andres Valenzuela, Caiyong Wang, Yunlong Wang, Zhaofeng He, Zhenan Sun, Fadi Boutros, Naser Damer, Jonas Henry Grebe, Arjan Kuijper, Kiran B. Raja, Gourav Gupta, Georgios Zampoukis, Lazaros T. Tsochatzidis, Ioannis Pratikakis, S. V. Aruna Kumar, B. S. Harish, Umapada Pal, Peter Peer, Vitomir Struc

IEEE Trans. Inf. Forensics Secur., 2023

Improving Skeleton-Based Action Recognition Using Part-Aware Graphs in a Multi-Stream Fusion Context.

Zois Tsakiris, Lazaros T. Tsochatzidis, Ioannis Pratikakis

IEEE Access, 2023

Point Contrastive learning for LiDAR-based 3D object detection in autonomous driving.

Efstathios Karypidis, Georgios Zamanakos, Lazaros T. Tsochatzidis, Ioannis Pratikakis

Proceedings of the 24th International Conference on Digital Signal Processing, 2023

A study on high definition maps' standards and specifications for autonomous vehicles.

Maria Siopi, Dimitrios Ellinoudis, Ioannis Pratikakis, Angelos Amanatiadis

Proceedings of the IEEE International Conference on Omni-layer Intelligent Systems, 2023

2022

Improving performance of deep learning models for 3D point cloud semantic segmentation via attention mechanisms.

Vazgen Vanian, Georgios Zamanakos, Ioannis Pratikakis

Comput. Graph., 2022

A cooperative LiDAR-camera scheme for extrinsic calibration.

Georgios Zamanakos, Lazaros T. Tsochatzidis, Angelos Amanatiadis, Ioannis Pratikakis

Proceedings of the 14th IEEE Image, Video, and Multidimensional Signal Processing Workshop, 2022

2021

Word Spotting as a Service: An Unsupervised and Segmentation-Free Framework for Handwritten Documents.

Konstantinos Zagoris, Angelos Amanatiadis, Ioannis Pratikakis

J. Imaging, 2021

HTR for Greek Historical Handwritten Documents.

Lazaros T. Tsochatzidis, Symeon Symeonidis, Alexandros Papazoglou, Ioannis Pratikakis

J. Imaging, 2021

Integrating segmentation information into CNN for breast cancer diagnosis of mammographic masses.

Lazaros T. Tsochatzidis, Panagiota Koutla, Lena Costaridou, Ioannis Pratikakis

Comput. Methods Programs Biomed., 2021

A comprehensive survey of LIDAR-based 3D object detection methods with deep learning for autonomous driving.

Georgios Zamanakos, Lazaros T. Tsochatzidis, Angelos Amanatiadis, Ioannis Pratikakis

Comput. Graph., 2021

Word Spotting as a Service for Handwritten Documents.

Angelos Amanatiadis, Konstantinos Zagoris, Ioannis Pratikakis

Proceedings of the IEEE International Conference on Consumer Electronics, 2021

2020

Foreword to the special section on 3D Object Retrieval 2020 workshop (3DOR2020).

Tobias Schreck, Theoharis Theoharis, Ioannis Pratikakis, Michela Spagnuolo, Remco C. Veltkamp

Comput. Graph., 2020

Foreword to the special section on 3D object retrieval 2019.

Silvia Biasotti, Bianca Falcidieno, Guillaume Lavoué, Ioannis Pratikakis

Comput. Graph., 2020

A Convolutional Recurrent Neural Network for the Handwritten Text Recognition of Historical Greek Manuscripts.

K. Markou, Lazaros T. Tsochatzidis, Konstantinos Zagoris, Alexandros Papazoglou, Xenofon Karagiannis, Symeon Symeonidis, Ioannis Pratikakis

Proceedings of the Pattern Recognition. ICPR International Workshops and Challenges, 2020

SSBC 2020: Sclera Segmentation Benchmarking Competition in the Mobile Environment.

Matej Vitek, Abhijit Das, Y. Pourcenoux, A. Missler, C. Paumier, Sumanta Das, Ishita De Ghosh, Diego Rafael Lucio, Luiz A. Zanlorensi, David Menotti, Fadi Boutros, Naser Damer, Jonas Henry Grebe, Arjan Kuijper, J. Hu, Y. He, Caiyong Wang, H. Liu, Yunlong Wang, Zhenan Sun, Dailé Osorio Roig, Christian Rathgeb, Christoph Busch, Juan E. Tapia, Andres Valenzuela, Georgios Zampoukis, Lazaros T. Tsochatzidis, Ioannis Pratikakis, S. Nathan, R. Suganya, Vineet Mehta, Abhinav Dhall, Kiran B. Raja, Gourav Gupta, Jalil Nourmohammadi-Khiarak, M. Akbari-Shahper, Farhang Jaryani, Meysam Asgari-Chenaghlu, R. Vyas, S. Dakshit, Peter Peer, Umapada Pal, Vitomir Struc

Proceedings of the 2020 IEEE International Joint Conference on Biometrics, 2020

2019

Unsupervised human action retrieval using salient points in 3D mesh sequences.

Christos Veinidis, Ioannis Pratikakis, Theoharis Theoharis

Multim. Tools Appl., 2019

Deep Learning for Breast Cancer Diagnosis from Mammograms - A Comparative Study.

Lazaros T. Tsochatzidis, Lena Costaridou, Ioannis Pratikakis

J. Imaging, 2019

Transforming scholarship in the archives through handwritten text recognition.

Günter Mühlberger, Louise Seaward, Melissa Terras, Sofia Ares Oliveira, Vicente Bosch, Maximilian Bryan, Sebastian Colutto, Hervé Déjean, Markus Diem, Stefan Fiel, Basilis Gatos, Albert Greinoecker, Tobias Grüning, Günter Hackl, Vili Haukkovaara, Gerhard Heyer, Lauri Hirvonen, Tobias Hodel, Matti Jokinen, Philip Kahle, Mario Kallio, Frédéric Kaplan, Florian Kleber, Roger Labahn, Eva Maria Lang, Sören Laube, Gundram Leifert, Georgios Louloudis, Rory McNicholl, Jean-Luc Meunier, Johannes Michael, Elena Mühlbauer, Nathanael Philipp, Ioannis Pratikakis, Joan Puigcerver Pérez, Hannelore Putz, George Retsinas, Verónica Romero, Robert Sablatnig, Joan-Andreu Sánchez, Philip Schofield, Giorgos Sfikas, Christian Sieber, Nikolaos Stamatopoulos, Tobias Strauß, Tamara Terbul, Alejandro H. Toselli, Berthold Ulreich, Mauricio Villegas, Enrique Vidal, Johanna Walcher, Max Weidemann, Herbert Wurster, Konstantinos Zagoris

J. Documentation, 2019

Effective Descriptors for Human Action Retrieval from 3D Mesh Sequences.

Christos Veinidis, Antonios Danelakis, Ioannis Pratikakis, Theoharis Theoharis

Int. J. Image Graph., 2019

ICDAR 2019 Competition on Document Image Binarization (DIBCO 2019).

Ioannis Pratikakis, Konstantinos Zagoris, Xenofon Karagiannis, Lazaros T. Tsochatzidis, Tanmoy Mondal, Isabelle Marthot-Santaniello

Proceedings of the 2019 International Conference on Document Analysis and Recognition, 2019

2018

RETRIEVAL - An Online Performance Evaluation Tool for Information Retrieval Methods.

George Ioannakis, Anestis Koutsoudis, Ioannis Pratikakis, Christodoulos Chamzas

IEEE Trans. Multim., 2018

Predictive digitisation of cultural heritage objects.

Ioannis Pratikakis, Michalis A. Savelonas, Pavlos Mavridis, Georgios Papaioannou, Konstantinos Sfikas, Fotis Arnaoutoglou, Dirk Rieke-Zapp

Multim. Tools Appl., 2018

Action unit detection in 3D facial videos with application in facial expression retrieval and recognition.

Antonios Danelakis, Theoharis Theoharis, Ioannis Pratikakis

Multim. Tools Appl., 2018

Spatially sensitive statistical shape analysis for pedestrian recognition from LIDAR data.

Michalis A. Savelonas, Ioannis Pratikakis, Theoharis Theoharis, Georgios Thanellas, Frédéric Abad, Rémy Bendahan

Comput. Vis. Image Underst., 2018

Ensemble of PANORAMA-based convolutional neural networks for 3D model classification and retrieval.

Konstantinos Sfikas, Ioannis Pratikakis, Theoharis Theoharis

Comput. Graph., 2018

Foreword to the Special Section on Eurographics Workshop on 3D Object Retrieval 2017.

Guillaume Lavoué, Ioannis Pratikakis, Florent Dupont, Maks Ovsjanikov, Michela Spagnuolo

Comput. Graph., 2018

ICFHR 2018 Competition on Handwritten Document Image Binarization (H-DIBCO 2018).

Ioannis Pratikakis, Konstantinos Zagoris, Panagiotis Kaddas, Basilis Gatos

Proceedings of the 16th International Conference on Frontiers in Handwriting Recognition, 2018

2017

Unsupervised Word Spotting in Historical Handwritten Document Images Using Document-Oriented Local Features.

Konstantinos Zagoris, Ioannis Pratikakis, Basilis Gatos

IEEE Trans. Image Process., 2017

Computer-aided diagnosis of mammographic masses based on a supervised content-based image retrieval approach.

Lazaros T. Tsochatzidis, Konstantinos Zagoris, Nikolaos Arikidis, Anna Karahaliou, Lena Costaridou, Ioannis Pratikakis

Pattern Recognit., 2017

Unsupervised Spectral Mesh Segmentation Driven by Heterogeneous Graphs.

Panagiotis Theologou, Ioannis Pratikakis, Theoharis Theoharis

IEEE Trans. Pattern Anal. Mach. Intell., 2017

On the retrieval of 3D mesh sequences of human actions.

Christos Veinidis, Ioannis Pratikakis, Theoharis Theoharis

Multim. Tools Appl., 2017

Part-based 3D object retrieval via multi-label optimization.

Panagiotis Theologou, Ioannis Pratikakis, Theoharis Theoharis

Comput. Vis. Image Underst., 2017

Bio-Inspired Modeling for the Enhancement of Historical Handwritten Documents.

Konstantinos Zagoris, Ioannis Pratikakis

Proceedings of the 14th IAPR International Conference on Document Analysis and Recognition, 2017

ICDAR2017 Competition on Document Image Binarization (DIBCO 2017).

Ioannis Pratikakis, Konstantinos Zagoris, George Barlas, Basilis Gatos

Proceedings of the 14th IAPR International Conference on Document Analysis and Recognition, 2017

Exploiting the PANORAMA Representation for Convolutional Neural Network Classification and Retrieval.

Konstantinos Sfikas, Theoharis Theoharis, Ioannis Pratikakis

Proceedings of the 10th Eurographics Workshop on 3D Object Retrieval, 2017

2016

A spatio-temporal wavelet-based descriptor for dynamic 3D facial expression retrieval and recognition.

Antonios Danelakis, Theoharis Theoharis, Ioannis Pratikakis

Vis. Comput., 2016

A robust spatio-temporal scheme for dynamic 3D facial expression retrieval.

Antonios Danelakis, Theoharis Theoharis, Ioannis Pratikakis

Vis. Comput., 2016

Fisher encoding of differential fast point feature histograms for partial 3D object retrieval.

Michalis A. Savelonas, Ioannis Pratikakis, Konstantinos Sfikas

Pattern Recognit., 2016

An effective methodology for dynamic 3D facial expression retrieval.

Antonios Danelakis, Theoharis Theoharis, Ioannis Pratikakis, Panagiotis Perakis

Pattern Recognit., 2016

Partial matching of 3D cultural heritage objects using panoramic views.

Konstantinos Sfikas, Ioannis Pratikakis, Anestis Koutsoudis, Michalis A. Savelonas, Theoharis Theoharis

Multim. Tools Appl., 2016

ICFHR2016 Handwritten Keyword Spotting Competition (H-KWS 2016).

Ioannis Pratikakis, Konstantinos Zagoris, Basilis Gatos, Joan Puigcerver, Alejandro H. Toselli, Enrique Vidal

Proceedings of the 15th International Conference on Frontiers in Handwriting Recognition, 2016

ICFHR2016 Handwritten Document Image Binarization Contest (H-DIBCO 2016).

Ioannis Pratikakis, Konstantinos Zagoris, George Barlas, Basilis Gatos

Proceedings of the 15th International Conference on Frontiers in Handwriting Recognition, 2016

Applying conformal geometry for creating a 3D model spatial-consistent texture map.

George Ioannakis, Christodoulos Chamzas, Anestis Koutsoudis, Nikolaos Papamarkos, Ioannis Pratikakis, Fotis Arnaoutoglou, Nikolaos Mitianoudis, Thomas Sgouros

Proceedings of the Digital Media Industry & Academic Forum, 2016

Partial Shape Queries for 3D Object Retrieval.

Ioannis Pratikakis, Michalis A. Savelonas, Fotis Arnaoutoglou, George Ioannakis, Anestis Koutsoudis, Theoharis Theoharis, Minh-Triet Tran, Vinh-Tiep Nguyen, Viet-Khoi Pham, Hai-Dang Nguyen, Hoang-An Le, Ba-Huu Tran, Huu-Quan To, Minh-Bao Truong, Thuyen V. Phan, Minh-Duc Nguyen, Thanh-An Than, Khoi-Nguyen C. Mac, Minh N. Do, Anh Duc Duong, Takahiko Furuya, Ryutarou Ohbuchi, Masaki Aono, Shoki Tashiro, David Pickup, Xianfang Sun, Paul L. Rosin, Ralph R. Martin

Proceedings of the 9th Eurographics Workshop on 3D Object Retrieval, 2016

2015

An overview of partial 3D object retrieval methodologies.

Michalis A. Savelonas, Ioannis Pratikakis, Konstantinos Sfikas

Multim. Tools Appl., 2015

Erratum to: A survey on facial expression recognition in 3D video sequences.

Antonios Danelakis, Theoharis Theoharis, Ioannis Pratikakis

Multim. Tools Appl., 2015

A survey on facial expression recognition in 3D video sequences.

Antonios Danelakis, Theoharis Theoharis, Ioannis Pratikakis

Multim. Tools Appl., 2015

A comprehensive overview of methodologies and performance evaluation frameworks in 3D mesh segmentation.

Panagiotis Theologou, Ioannis Pratikakis, Theoharis Theoharis

Comput. Vis. Image Underst., 2015

A Framework for Efficient Transcription of Historical Documents Using Keyword Spotting.

Konstantinos Zagoris, Ioannis Pratikakis, Basilis Gatos

Proceedings of the 3rd International Workshop on Historical Document Imaging and Processing, 2015

Partial 3D Object Retrieval combining Local Shape Descriptors with Global Fisher Vectors.

Michalis A. Savelonas, Ioannis Pratikakis, Konstantinos Sfikas

Proceedings of the 8th Eurographics Workshop on 3D Object Retrieval, 2015

RETRIEVAL 3D: An On-line Content-Based Retrieval Performance Evaluation Tool.

Anestis Koutsoudis, George Ioannakis, Ioannis Pratikakis, Christos Chamzas

Proceedings of the 8th Eurographics Workshop on 3D Object Retrieval, 2015

A Spatio-Temporal Descriptor for Dynamic 3D Facial Expression Retrieval and Recognition.

Antonios Danelakis, Theoharis Theoharis, Ioannis Pratikakis

Proceedings of the 8th Eurographics Workshop on 3D Object Retrieval, 2015

2014

Pose normalization of 3D models via reflective symmetry on panoramic views.

Konstantinos Sfikas, Theoharis Theoharis, Ioannis Pratikakis

Vis. Comput., 2014

A combined approach for the binarization of handwritten document images.

Konstantinos Ntirogiannis, Basilis Gatos, Ioannis Pratikakis

Pattern Recognit. Lett., 2014

Distinction between handwritten and machine-printed text based on the bag of visual words model.

Konstantinos Zagoris, Ioannis Pratikakis, Apostolos Antonacopoulos, Basilis Gatos, Nikos Papamarkos

Pattern Recognit., 2014

Text Detection on Natural Images Using Mnemonic Cellular Automata.

Konstantinos Zagoris, Ioannis Pratikakis

J. Cell. Autom., 2014

Segmentation-Based Historical Handwritten Word Spotting Using Document-Specific Local Features.

Konstantinos Zagoris, Ioannis Pratikakis, Basilis Gatos

Proceedings of the 14th International Conference on Frontiers in Handwriting Recognition, 2014

ICFHR 2014 Competition on Handwritten Keyword Spotting (H-KWS 2014).

Ioannis Pratikakis, Konstantinos Zagoris, Basilis Gatos, Georgios Louloudis, Nikolaos Stamatopoulos

Proceedings of the 14th International Conference on Frontiers in Handwriting Recognition, 2014

ICFHR2014 Competition on Handwritten Document Image Binarization (H-DIBCO 2014).

Konstantinos Ntirogiannis, Basilis Gatos, Ioannis Pratikakis

Proceedings of the 14th International Conference on Frontiers in Handwriting Recognition, 2014

SVM-based CBIR of breast masses on mammograms.

Lazaros T. Tsochatzidis, Konstantinos Zagoris, Michalis A. Savelonas, Ioannis Pratikakis

Proceedings of the 3rd International Workshop on Artificial Intelligence and Assistive Medicine co-located with the 21th European Conference on Artificial Intelligence (ECAI 2014), 2014

Fisher Encoding of Adaptive Fast Persistent Feature Histograms for Partial Retrieval of 3D Pottery Objects.

Michalis A. Savelonas, Ioannis Pratikakis, Konstantinos Sfikas

Proceedings of the 7th Eurographics Workshop on 3D Object Retrieval, 2014

GeoTopo: Dynamic 3D Facial Expression Retrieval Using Topological and Geometric Information.

Antonios Danelakis, Theoharis Theoharis, Ioannis Pratikakis

Proceedings of the 7th Eurographics Workshop on 3D Object Retrieval, 2014

Querying 3D Mesh Sequences for Human Action Retrieval.

Christos Veinidis, Ioannis Pratikakis, Theoharis Theoharis

Proceedings of the 2nd International Conference on 3D Vision, 2014

2013

3D object retrieval via range image queries in a bag-of-visual-words context.

Konstantinos Sfikas, Theoharis Theoharis, Ioannis Pratikakis

Vis. Comput., 2013

Performance Evaluation Methodology for Historical Document Image Binarization.

Konstantinos Ntirogiannis, Basilios Gatos, Ioannis Pratikakis

IEEE Trans. Image Process., 2013

Bag of spatio-visual words for context inference in scene classification.

Anastasia Bolovinou, Ioannis Pratikakis, Stavros J. Perantonis

Pattern Recognit., 2013

Detection of artificial and scene text in images and video frames.

Marios Anthimopoulos, Basilios Gatos, Ioannis Pratikakis

Pattern Anal. Appl., 2013

3D Object Partial Matching Using Panoramic Views.

Konstantinos Sfikas, Ioannis Pratikakis, Anestis Koutsoudis, Michalis A. Savelonas, Theoharis Theoharis

Proceedings of the New Trends in Image Analysis and Processing - ICIAP 2013, 2013

Text Detection in Natural Images Using Bio-inspired Models.

Konstantinos Zagoris, Ioannis Pratikakis

Proceedings of the 12th International Conference on Document Analysis and Recognition, 2013

ICDAR 2013 Document Image Binarization Contest (DIBCO 2013).

Ioannis Pratikakis, Basilis Gatos, Konstantinos Ntirogiannis

Proceedings of the 12th International Conference on Document Analysis and Recognition, 2013

SymPan: 3D Model Pose Normalization via Panoramic Views and Reflective Symmetry.

Konstantinos Sfikas, Ioannis Pratikakis, Theoharis Theoharis

Proceedings of the 6th Eurographics Workshop on 3D Object Retrieval, 2013

2012

Non-rigid 3D object retrieval using topological information guided by conformal factors.

Konstantinos Sfikas, Theoharis Theoharis, Ioannis Pratikakis

Vis. Comput., 2012

Handwritten and Machine Printed Text Separation in Document Images Using the Bag of Visual Words Paradigm.

Konstantinos Zagoris, Ioannis Pratikakis, Apostolos Antonacopoulos, Basilios Gatos, Nikos Papamarkos

Proceedings of the 2012 International Conference on Frontiers in Handwriting Recognition, 2012

ICFHR 2012 Competition on Handwritten Document Image Binarization (H-DIBCO 2012).

Ioannis Pratikakis, Basilios Gatos, Konstantinos Ntirogiannis

Proceedings of the 2012 International Conference on Frontiers in Handwriting Recognition, 2012

Scene Text Detection on Images Using Cellular Automata.

Konstantinos Zagoris, Ioannis Pratikakis

Proceedings of the Cellular Automata, 2012

3D mesh video retrieval: A survey.

Antonios Danelakis, Theoharis Theoharis, Ioannis Pratikakis

Proceedings of the 3DTV-Conference 2012: The True Vision, 2012

3D Object Retrieval via Range Image Queries based on SIFT descriptors on Panoramic Views.

Konstantinos Sfikas, Ioannis Pratikakis, Theoharis Theoharis

Proceedings of the 5th Eurographics Workshop on 3D Object Retrieval, 2012

2011

Preface to special issue on 3DOR 2010.

Ioannis Pratikakis, Tobias Schreck, Theoharis Theoharis, Remco C. Veltkamp

Vis. Comput., 2011

Goal-Oriented Rectification of Camera-Based Document Images.

Nikolaos Stamatopoulos, Basilios Gatos, Ioannis Pratikakis, Stavros J. Perantonis

IEEE Trans. Image Process., 2011

A word spotting framework for historical machine-printed documents.

Anastasios L. Kesidis, Eleni Galiotou, Basilios Gatos, Ioannis Pratikakis

Int. J. Document Anal. Recognit., 2011

DIBCO 2009: document image binarization contest.

Basilios Gatos, Konstantinos Ntirogiannis, Ioannis Pratikakis

Int. J. Document Anal. Recognit., 2011

ROSy+: 3D Object Pose Normalization Based on PCA and Reflective Object Symmetry with Application in 3D Object Retrieval.

Konstantinos Sfikas, Theoharis Theoharis, Ioannis Pratikakis

Int. J. Comput. Vis., 2011

Eurographics 2011 Workshop on 3D Object Retrieval (EG 3DOR'2011) <i>in Cooperation with ACM SIGGRAPH</i> : Lluandudno, UK, April 10, 2011.

Hamid Laga, Tobias Schreck, Alfredo Ferreira, Afzal Godil, Ioannis Pratikakis, Remco C. Veltkamp

Comput. Graph. Forum, 2011

ICDAR 2011 Document Image Binarization Contest (DIBCO 2011).

Ioannis Pratikakis, Basilios Gatos, Konstantinos Ntirogiannis

Proceedings of the 2011 International Conference on Document Analysis and Recognition, 2011

Binarization of Textual Content in Video Frames.

Konstantinos Ntirogiannis, Basilios Gatos, Ioannis Pratikakis

Proceedings of the 2011 International Conference on Document Analysis and Recognition, 2011

Semantics Extraction from Images.

Ioannis Pratikakis, Anastasia Bolovinou, Basilios Gatos, Stavros J. Perantonis

Proceedings of the Knowledge-Driven Multimedia Information Extraction and Ontology Evolution, 2011

ConTopo: Non-Rigid 3D Object Retrieval using Topological Information guided by Conformal Factors.

Konstantinos Sfikas, Ioannis Pratikakis, Theoharis Theoharis

Proceedings of the 4th Eurographics Workshop on 3D Object Retrieval, 2011

2010

Preface.

Ioannis Pratikakis, Michela Spagnuolo, Theoharis Theoharis, Remco C. Veltkamp

Vis. Comput., 2010

Protrusion-oriented 3D mesh segmentation.

Alexander Agathos, Ioannis Pratikakis, Stavros J. Perantonis, Nickolas S. Sapidis

Vis. Comput., 2010

3D articulated object retrieval using a graph-based representation.

Alexander Agathos, Ioannis Pratikakis, Panagiotis Papadakis, Stavros J. Perantonis, Phillip N. Azariadis, Nickolas S. Sapidis

Vis. Comput., 2010

A two-stage scheme for text detection in video images.

Marios Anthimopoulos, Basilios Gatos, Ioannis Pratikakis

Image Vis. Comput., 2010

IJCV Special Issue on 3D Object Retrieval - Foreword by the Guest Editors.

Theoharis Theoharis, Ioannis Pratikakis, Michela Spagnuolo

Int. J. Comput. Vis., 2010

PANORAMA: A 3D Shape Descriptor Based on Panoramic Views for Unsupervised 3D Object Retrieval.

Panagiotis Papadakis, Ioannis Pratikakis, Theoharis Theoharis, Stavros J. Perantonis

Int. J. Comput. Vis., 2010

<i>Eurographics 2009 Workshop on 3D Object Retrieval (EG 3DOR'09) in Cooperation with ACM SIGGRAPH</i>Munich, GermanyMarch 29, 2009.

Ioannis Pratikakis, Michela Spagnuolo

Comput. Graph. Forum, 2010

H-DIBCO 2010 - Handwritten Document Image Binarization Competition.

Ioannis Pratikakis, Basilios Gatos, Konstantinos Ntirogiannis

Proceedings of the International Conference on Frontiers in Handwriting Recognition, 2010

2009

Text line and word segmentation of handwritten documents.

Georgios Louloudis, Basilios Gatos, Ioannis Pratikakis, Constantin Halatsis

Pattern Recognit., 2009

Scale Selection for Compact Scale-Space Representation of Vector-Valued Images.

Iris Vanhamel, Cosmin Mihai, Hichem Sahli, Antonis Katartzis, Ioannis Pratikakis

Int. J. Comput. Vis., 2009

A Methodology for Document Image Dewarping Techniques Performance Evaluation.

Nikolaos Stamatopoulos, Basilios Gatos, Ioannis Pratikakis

Proceedings of the 10th International Conference on Document Analysis and Recognition, 2009

A Modified Adaptive Logical Level Binarization Technique for Historical Document Images.

Konstantinos Ntirogiannis, Basilios Gatos, Ioannis Pratikakis

Proceedings of the 10th International Conference on Document Analysis and Recognition, 2009

Segmentation-free Word Spotting in Historical Printed Documents.

Basilios Gatos, Ioannis Pratikakis

Proceedings of the 10th International Conference on Document Analysis and Recognition, 2009

ICDAR 2009 Document Image Binarization Contest (DIBCO 2009).

Basilios Gatos, Konstantinos Ntirogiannis, Ioannis Pratikakis

Proceedings of the 10th International Conference on Document Analysis and Recognition, 2009

Accessing the content of Greek historical documents.

Anastasios L. Kesidis, Eleni Galiotou, Basilios Gatos, Aristomenis S. Lampropoulos, Ioannis Pratikakis, Ioanna Manolessou, Angela Ralli

Proceedings of the Third Workshop on Analytics for Noisy Unstructured Text Data, 2009

Retrieval of 3D Articulated Objects Using a Graph-based Representation.

Alexander Agathos, Ioannis Pratikakis, Panagiotis Papadakis, Stavros J. Perantonis, Phillip N. Azariadis, Nickolas S. Sapidis

Proceedings of the 2nd Eurographics Workshop on 3D Object Retrieval, 2009

2008

Text line detection in handwritten documents.

Georgios Louloudis, Basilios Gatos, Ioannis Pratikakis, Constantin Halatsis

Pattern Recognit., 2008

SHREC'08 entry: 2D/3D hybrid.

Panagiotis Papadakis, Ioannis Pratikakis, Stavros J. Perantonis, Theoharis Theoharis, Georgios Passalis

Proceedings of the 2008 International Conference on Shape Modeling and Applications (SMI 2008), 2008

Improved document image binarization by using a combination of multiple binarization techniques and adapted edge information.

Basilios Gatos, Ioannis Pratikakis, Stavros J. Perantonis

Proceedings of the 19th International Conference on Pattern Recognition (ICPR 2008), 2008

CIL3D: a content-based 3D model search engine.

Panagiotis Papadakis, Ioannis Pratikakis, Stavros J. Perantonis, Theoharis Theoharis

Proceedings of the Third International Conference on Digital Interactive Media in Entertainment and Arts, 2008

A Two-Step Dewarping of Camera Document Images.

Nikolaos Stamatopoulos, Basilios Gatos, Ioannis Pratikakis, Stavros J. Perantonis

Proceedings of the Eighth IAPR International Workshop on Document Analysis Systems, 2008

An Objective Evaluation Methodology for Document Image Binarization Techniques.

Konstantinos Ntirogiannis, Basilios Gatos, Ioannis Pratikakis

Proceedings of the Eighth IAPR International Workshop on Document Analysis Systems, 2008

Efficient Binarization of Historical and Degraded Document Images.

Basilios Gatos, Ioannis Pratikakis, Stavros J. Perantonis

Proceedings of the Eighth IAPR International Workshop on Document Analysis Systems, 2008

A Hybrid System for Text Detection in Video Frames.

Marios Anthimopoulos, Basilios Gatos, Ioannis Pratikakis

Proceedings of the Eighth IAPR International Workshop on Document Analysis Systems, 2008

3D Object Retrieval using an Efficient and Compact Hybrid Shape Descriptor .

Panagiotis Papadakis, Ioannis Pratikakis, Theoharis Theoharis, Georgios Passalis, Stavros J. Perantonis

Proceedings of the 1st Eurographics Workshop on 3D Object Retrieval, 2008

2007

Efficient 3D shape matching and retrieval using a concrete radialized spherical projection representation.

Panagiotis Papadakis, Ioannis Pratikakis, Stavros J. Perantonis, Theoharis Theoharis

Pattern Recognit., 2007

An old greek handwritten OCR system based on an efficient segmentation-free approach.

Kostas Ntzios, Basilios Gatos, Ioannis Pratikakis, Thomas Konidaris, Stavros J. Perantonis

Int. J. Document Anal. Recognit., 2007

Keyword-guided word spotting in historical printed documents using synthetic data and user feedback.

Thomas Konidaris, Basilios Gatos, Kostas Ntzios, Ioannis Pratikakis, Sergios Theodoridis, Stavros J. Perantonis

Int. J. Document Anal. Recognit., 2007

e-Medi: A Web-based e-Training Platform for Breast Imaging.

Ioannis Pratikakis, Vassilis Virvilis, Dimitrios I. Kosmopoulos, Stavros J. Perantonis, A. Damianakis, D. Tsatsos

Proceedings of the WEBIST 2007, 2007

Multiresolution text detection in video frames.

Marios Anthimopoulos, Basilios Gatos, Ioannis Pratikakis

Proceedings of the VISAPP 2007: Proceedings of the Second International Conference on Computer Vision Theory and Applications, Barcelona, Spain, March 8-11, 2007, 2007

Segmentation Based Recovery of Arbitrarily Warped Document Images.

Basilios Gatos, Ioannis Pratikakis, Konstantinos Ntirogiannis

Proceedings of the 9th International Conference on Document Analysis and Recognition (ICDAR 2007), 2007

2006

Adaptive degraded document image binarization.

Basilios Gatos, Ioannis Pratikakis, Stavros J. Perantonis

Pattern Recognit., 2006

An efficient segmentation-free approach to assist old Greek handwritten manuscript OCR.

Basilios Gatos, Kostas Ntzios, Ioannis Pratikakis, Sergios Petridis, Thomas Konidaris, Stavros J. Perantonis

Pattern Anal. Appl., 2006

IIT / NCSR "Demokritos" at TRECVID 2006: Shot Boundary Detection.

Ioannis Pratikakis, I. Dounis, Basilios Gatos, Stavros J. Perantonis

Proceedings of the 2006 TREC Video Retrieval Evaluation, 2006

A Holistic Methodology for Keyword Search in Historical Typewritten Documents.

Basilios Gatos, Thomas Konidaris, Ioannis Pratikakis, Stavros J. Perantonis

Proceedings of the Advances in Artificial Intelligence, 4th Helenic Conference on AI, 2006

Knowledge Acquisition from Multimedia Content using an Evolution Framework.

Dimitrios I. Kosmopoulos, Sergios Petridis, Ioannis Pratikakis, V. Gatos, Stavros J. Perantonis, Vangelis Karkaletsis, Georgios Paliouras

Proceedings of the Artificial Intelligence Applications and Innovations, 2006

Nonlinear Multiscale Graph Theory based Segmentation of Color Images.

Iris Vanhamel, Hichem Sahli, Ioannis Pratikakis

Proceedings of the 18th International Conference on Pattern Recognition (ICPR 2006), 2006

Hybrid Off-Line Cursive Handwriting Word Recognition.

Basilios Gatos, Ioannis Pratikakis, Stavros J. Perantonis

Proceedings of the 18th International Conference on Pattern Recognition (ICPR 2006), 2006

Multiscale Graph Theory Based Color Segmentation.

Iris Vanhamel, Ioannis Pratikakis, Hichem Sahli

Proceedings of the International Conference on Image Processing, 2006

2005

Watershed-Driven Region-Based Image Retrieval.

Ioannis Pratikakis, Iris Vanhamel, Hichem Sahli, Basilios Gatos, Stavros J. Perantonis

Proceedings of the Mathematical Morphology: 40 Years On, 2005

An Old Greek Handwritten OCR System.

Kostas Ntzios, Basilios Gatos, Ioannis Pratikakis, Thomas Konidaris, Stavros J. Perantonis

Proceedings of the Eighth International Conference on Document Analysis and Recognition (ICDAR 2005), 29 August, 2005

A Segmentation-free Approach for Keyword Search in Historical Typewritten Documents.

Basilios Gatos, Thomas Konidaris, Kostas Ntzios, Ioannis Pratikakis, Stavros J. Perantonis

Proceedings of the Eighth International Conference on Document Analysis and Recognition (ICDAR 2005), 29 August, 2005

Automatic Table Detection in Document Images.

Basilios Gatos, Dimitrios Danatsas, Ioannis Pratikakis, Stavros J. Perantonis

Proceedings of the Pattern Recognition and Data Mining, 2005

2004

Locating Text in Historical Collection Manuscripts.

Basilios Gatos, Ioannis Pratikakis, Stavros J. Perantonis

Proceedings of the Methods and Applications of Artificial Intelligence, 2004

Unsupervised Region-Based Image Retrieval.

Ioannis Pratikakis, Z. Efremedis, Basilios Gatos, Stavros J. Perantonis, Iris Vanhamel, Hichem Sahli

Proceedings of the Knowledge-Based Media Analysis for Self-Adaptive and Agile Multi-Media, 2004

An Adaptive Binarization Technique for Low Quality Historical Documents.

Basilios Gatos, Ioannis Pratikakis, Stavros J. Perantonis

Proceedings of the Document Analysis Systems VI, 6th International Workshop, 2004

A Segmentation-Free Recognition Technique to Assist Old Greek Handwritten Manuscript OCR.

Basilios Gatos, Kostas Ntzios, Ioannis Pratikakis, Sergios Petridis, Thomas Konidaris, Stavros J. Perantonis

Proceedings of the Document Analysis Systems VI, 6th International Workshop, 2004

2003

Multiscale gradient watersheds of color images.

Iris Vanhamel, Ioannis Pratikakis, Hichem Sahli

IEEE Trans. Image Process., 2003

Robust Multiscale Deformable Registration of 3D Ultrasound Images.

Ioannis Pratikakis, Christian Barillot, Pierre Hellier, Étienne Mémin

Int. J. Image Graph., 2003

2001

Hierarchical Segmentation Using Dynamics of Multiscale Color Gradient Watersheds.

Iris Vanhamel, Ioannis Pratikakis, Hichem Sahli

Proceedings of the Scale-Space and Morphology in Computer Vision, 2001

Robust Multi-scale Non-rigid Registration of 3D Ultrasound Images.

Ioannis Pratikakis, Christian Barillot, Pierre Hellier

Proceedings of the Scale-Space and Morphology in Computer Vision, 2001

2000

Using Landmarks to Establish a Point-to-Point Correspondence between Signatures.

Kui Zhang, Ioannis Pratikakis, Jan Cornelis, Edgard Nyssen

Pattern Anal. Appl., 2000

Automatic Watershed Segmentation of Color Images.

Iris Vanhamel, Hichem Sahli, Ioannis Pratikakis

Proceedings of the 5th International Symposium on Mathematical Morphology and its Applications to Image and Signal Processing, 2000

1999

Low level image partitioning guided by the gradient watershed hierarchy.

Ioannis Pratikakis, Hichem Sahli, Jan Cornelis

Signal Process., 1999

1996

Hierarchical contour matching in medical images.

Xin Yang, Bart Truyen, Ioannis Pratikakis, Jan Cornelis

Image Vis. Comput., 1996

Watershed Analysis and Relaxation Labelling: A cooperative approach for the interpretation of Cranial-MR images using a Statistical Digital Atlas.

Ioannis Pratikakis, Hichem Sahli, Jan Cornelis

Proceedings of the 3th International Symposium on Mathematical Morphology and its Applications to Image and Signal Processing, 1996