Nicolas Tsapatsoulis

According to our database1, Nicolas Tsapatsoulis authored at least 116 papers between 1997 and 2020.

Collaborative distances:
  • Dijkstra number2 of four.
  • Erdős number3 of four.

Timeline

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Bibliography

2020
Image annotation: the effects of content, lexicon and annotation method.
Int. J. Multim. Inf. Retr., 2020

Image retrieval via topic modelling of Instagram hashtags.
Proceedings of the 15th International Workshop on Semantic and Social Media Adaptation and Personalization, 2020

2019
Filtering Instagram Hashtags Through Crowdtagging and the HITS Algorithm.
IEEE Trans. Comput. Soc. Syst., 2019

Cyberbullies in Twitter: A focused review.
Proceedings of the 14th International Workshop on Semantic and Social Media Adaptation and Personalization, 2019

IoT-Enabled Ambulances Assisting Citizens' Well-Being after Earthquake Disasters in Smart Cities.
Proceedings of the 2019 International Conference on Internet of Things (iThings) and IEEE Green Computing and Communications (GreenCom) and IEEE Cyber, 2019

The Central Community of Twitter ego-Networks as a Means for Fake Influencer Detection.
Proceedings of the 2019 IEEE Intl Conf on Dependable, 2019

2018
Social Relevance Feedback Based on Multimedia Content Power.
IEEE Trans. Comput. Soc. Syst., 2018

Opinion Mining From Social Media Short Texts: Does Collective Intelligence Beat Deep Learning?
Frontiers Robotics AI, 2018

Metadata for Intangible Cultural Heritage - The Case of Folk Dances.
Proceedings of the 13th International Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications (VISIGRAPP 2018), 2018

Improving Social Vote Recommendation in VAAs: The Effects of Political Profile Augmentation and Classification Method.
Proceedings of the 13th International Workshop on Semantic and Social Media Adaptation and Personalization, 2018

Topic modelling on Instagram hashtags: An alternative way to Automatic Image Annotation?
Proceedings of the 13th International Workshop on Semantic and Social Media Adaptation and Personalization, 2018

Twitter Influencers or Cheated Buyers?
Proceedings of the 2018 IEEE 16th Intl Conf on Dependable, 2018

2017
An integrated framework for evaluating the performance of age progression algorithms.
Int. J. Biom., 2017

Guest Editorial.
IET Biom., 2017

Feature extraction for tweet classification: Do the humans perform better?
Proceedings of the 12th International Workshop on Semantic and Social Media Adaptation and Personalization, 2017

Forecasting elections from VAA data: What the undecided would vote?
Proceedings of the 12th International Workshop on Semantic and Social Media Adaptation and Personalization, 2017

Multiresolution Organization of Social Media Users' Profiles: Fast Detection and Efficient Transmission of Characteristic Profiles.
Proceedings of the 2017 IEEE International Conference on Internet of Things (iThings) and IEEE Green Computing and Communications (GreenCom) and IEEE Cyber, 2017

Identifying Image Tags from Instagram Hashtags Using the HITS Algorithm.
Proceedings of the 15th IEEE Intl Conf on Dependable, 2017

2016
Remote Authentication via Biometrics: A Robust Video-Object Steganographic Mechanism Over Wireless Networks.
IEEE Trans. Emerg. Top. Comput., 2016

Evaluating the descriptive power of Instagram hashtags.
J. Innov. Digit. Ecosyst., 2016

Mining online political opinion surveys for suspect entries: An interdisciplinary comparison.
J. Innov. Digit. Ecosyst., 2016

Overview of research on facial ageing using the FG-NET ageing database.
IET Biom., 2016

Applying Hidden Markov Models to Voting Advice Applications.
EPJ Data Sci., 2016

Cyber security risks for minors: A taxonomy and a software architecture.
Proceedings of the 11th International Workshop on Semantic and Social Media Adaptation and Personalization, 2016

Estimating Party-user Similarity in Voting Advice Applications using Hidden Markov Models.
Proceedings of the Joint Workshop on Interfaces and Human Decision Making for Recommender Systems co-located with ACM Conference on Recommender Systems (RecSys 2016), 2016

On the analysis of factors influencing the performance of facial age progression.
Proceedings of the 4th International Conference on Biometrics and Forensics, 2016

Wall-Content Selection in Social Media: A Revelance Feedback Scheme Based on Explicit Crowdsourcing.
Proceedings of the 2016 IEEE International Conference on Internet of Things (iThings) and IEEE Green Computing and Communications (GreenCom) and IEEE Cyber, 2016

Defining and Identifying Stophashtags in Instagram.
Proceedings of the Advances in Big Data, 2016

Web Image Indexing Using WICE and a Learning-Free Language Model.
Proceedings of the Artificial Intelligence Applications and Innovations, 2016

2015
On the Design of Social Voting Recommendation Applications.
Int. J. Artif. Intell. Tools, 2015

Instagram Hashtags as Image Annotation Metadata.
Proceedings of the Artificial Intelligence Applications and Innovations, 2015

Unsupervised sports video particles annotation based on social latent semantic analysis.
Proceedings of the 2015 IEEE International Conference on Image Processing, 2015

FG2015 age progression evaluation.
Proceedings of the 11th IEEE International Conference and Workshops on Automatic Face and Gesture Recognition, 2015

2014
Social Voting Advice Applications - Definitions, Challenges, Datasets and Evaluation.
IEEE Trans. Cybern., 2014

Automatic annotation of image databases based on implicit crowdsourcing, visual concept modeling and evolution.
Multim. Tools Appl., 2014

Social Vote Recommendation: Building Party Models Using the Probability to Vote Feedback of VAA Users.
Proceedings of the 9th International Workshop on Semantic and Social Media Adaptation and Personalization, 2014

Foreword to Special Session.
Proceedings of the 9th International Workshop on Semantic and Social Media Adaptation and Personalization, 2014

A View Behind the Scene: Data Structures and Software Architecture of a VAA.
Proceedings of the 9th International Workshop on Semantic and Social Media Adaptation and Personalization, 2014

Lessons learned from the application of biometric-tests on a real case involving identity verification of a missing child.
Proceedings of the 2nd International Workshop on Biometrics and Forensics, 2014

Learning User Models in Multi-criteria Recommender Systems.
Proceedings of the Engineering Applications of Neural Networks, 2014

Assessing Facial Age Similarity: A Framework for Evaluating the Robustness of Different Feature Sets.
Proceedings of the BIOSIG 2014, 2014

On the Application of Biometric Techniques for Locating Damaged Artworks.
Proceedings of the Biometric Authentication - First International Workshop, 2014

2013
Attention-Based Health Monitoring.
Int. J. Monit. Surveillance Technol. Res., 2013

Background modeling methods for visual detection of maritime targets.
Proceedings of the 4th ACM/IEEE international workshop on Analysis and retrieval of tracked events and motion in imagery stream, 2013

Voting Advice Applications: Missing Value Estimation Using Matrix Factorization and Collaborative Filtering.
Proceedings of the Artificial Intelligence Applications and Innovations, 2013

Spatial histogram of keypoints (SHIK).
Proceedings of the IEEE International Conference on Image Processing, 2013

Video abstraction in social media: Augmenting facebook's EdgeRank algorithm in video content presentation.
Proceedings of the IEEE International Conference on Image Processing, 2013

On the Quantification of Missing Value Impact on Voting Advice Applications.
Proceedings of the Engineering Applications of Neural Networks, 2013

Watermark Resynchronization: An Efficient Approach Based on Eulerian Tours around a Robust Skeleton.
Proceedings of the Communications and Multimedia Security, 2013

2012
Investigating the Scalability of Algorithms, the Role of Similarity Metric and the List of Suggested Items Construction Scheme in Recommender Systems.
Int. J. Artif. Intell. Tools, 2012

Web Image Context Extraction Based on Semantic Representation of Web Page Visual Segments.
Proceedings of the Seventh International Workshop on Semantic and Social Media Adaptation and Personalization, 2012

Semantic Gap between People: An Experimental Investigation Based on Image Annotation.
Proceedings of the Seventh International Workshop on Semantic and Social Media Adaptation and Personalization, 2012

Clustering Online Poll Data: Towards a Voting Assistance System.
Proceedings of the Seventh International Workshop on Semantic and Social Media Adaptation and Personalization, 2012

Extraction of Web Image Information: Semantic or Visual Cues?
Proceedings of the Artificial Intelligence Applications and Innovations, 2012

Modelling Crowdsourcing Originated Keywords within the Athletics Domain.
Proceedings of the Artificial Intelligence Applications and Innovations, 2012

Multiocular surveilance of wide dynamic environments based on optical vision, event modelling and end-to-end data encryption: A cloud-based monitoring approach of maritime activities.
Proceedings of the Workshops Proceedings of the Global Communications Conference, 2012

Using Visual Cues for the Extraction of Web Image Semantic Information.
Proceedings of the Theory and Practice of Digital Libraries, 2012

2011
Video-Object Oriented Biometrics Hiding for User Authentication under Error-Prone Transmissions.
EURASIP J. Inf. Secur., 2011

Evaluating Annotators Consistency with the Aid of an Innovative Database Schema.
Proceedings of the Sixth International Workshop on Semantic Media Adaptation and Personalization, 2011

2010
Human action annotation, modeling and analysis based on implicit user interaction.
Multim. Tools Appl., 2010

A general framework for selecting biometric features for automatic user profiling.
Proceedings of the 5th International Workshop on Semantic Media Adaptation and Personalization, 2010

Implicit visual concept modeling in image / video annotation.
Proceedings of the first ACM international workshop on Analysis and retrieval of tracked events and motion in imagery streams, 2010

On the Quantification of Aging Effects on Biometric Features.
Proceedings of the Artificial Intelligence Applications and Innovations, 2010

The Importance of Similarity Metrics for Representative Users Identification in Recommender Systems.
Proceedings of the Artificial Intelligence Applications and Innovations, 2010

Improving the Scalability of Recommender Systems by Clustering Using Genetic Algorithms.
Proceedings of the Artificial Neural Networks - ICANN 2010, 2010

Annotation of Cultural Heritage Documents Based on XML Dictionaries and Data Clustering.
Proceedings of the Digital Heritage - Third International Conference, 2010

2009
Spatiotemporal saliency for video classification.
Signal Process. Image Commun., 2009

Experimental Evaluation of the MPEG-7 Visual Descriptors for Object Classification.
Proceedings of the 4th International Workshop on Semantic Media Adaptation and Personalization, 2009

A Hierarchical Classification Scheme for Semantic Image Annotation.
Proceedings of the First International Conference on Advances in Multimedia, 2009

Palm Geometry Biometrics: A Score-based Fusion Approach.
Proceedings of the Workshops of the 5th IFIP Conference on Artificial Intelligence Applications & Innovations (AIAI-2009), 2009

Object Classification Using the MPEG-7 Visual Descriptors: An Experimental Evaluation Using State of the Art Data Classifiers.
Proceedings of the Artificial Neural Networks, 2009

MuLVAT: A Video Annotation Tool Based on XML-Dictionaries and Shot Clustering.
Proceedings of the Artificial Neural Networks, 2009

Unsupervised Clustering of Clickthrough Data for Automatic Annotation of Multimedia Content.
Proceedings of the Artificial Neural Networks, 2009

2008
Active learning for microarray data.
Int. J. Approx. Reason., 2008

Modeling User Networks in Recommender Systems.
Proceedings of the Third International Workshop on Semantic Media Adaptation and Personalization, 2008

Human action analysis, annotation and modeling in video streams based on implicit user interaction.
Proceedings of the 1st ACM Workshop on Analysis and Retrieval of Events/Actions and Workflows in Video Streams, 2008

POLYBIO: Multimodal Biometric Data Acquisition Platform and Security System.
Proceedings of the Biometrics and Identity Management, First European Workshop, 2008

2007
An Embedded Saliency Map Estimator Scheme: Application to Video Encoding.
Int. J. Neural Syst., 2007

Clustering Microarray Data with Space Filling Curves.
Proceedings of the Applications of Fuzzy Sets Theory, 2007

Classifying Images from Athletics Based on Spatial Relations.
Proceedings of the Second International Workshop on Semantic Media Adaptation and Personalization, 2007

On the use of spatial relations between objects for image classification.
Proceedings of the Artificial Intelligence and Innovations 2007: from Theory to Applications, 2007

Biologically Inspired Region of Interest Selection for Lowbit-Rate Video Coding.
Proceedings of the International Conference on Image Processing, 2007

An Attention-Based Architecture for Context Switch Detection.
Proceedings of the Disappearing Computer, 2007

2006
A committee machine scheme for feature map fusion under uncertainty: the face detection case.
Int. J. Intell. Syst. Technol. Appl., 2006

Priority coding for video-telephony applications based on visual attention.
Proceedings of the 2nd International Conference on Mobile Multimedia Communications, 2006

Missing Value Estimation for DNA Microarrays with Mutliresolution Schemes.
Proceedings of the Artificial Neural Networks, 2006

Wavelet Based Estimation of Saliency Maps in Visual Attention Algorithms.
Proceedings of the Artificial Neural Networks, 2006

2005
Intelligent initialization of resource allocating RBF networks.
Neural Networks, 2005

Active Learning with Wavelets for Microarray Data.
Proceedings of the Fuzzy Logic and Applications, 6th International Workshop, 2005

Enhancing the robustness of skin-based face detection schemes through a visual attention architecture.
Proceedings of the 2005 International Conference on Image Processing, 2005

Combining GAs and RBF Neural Networks for Fuzzy Rule Extraction from Numerical Data.
Proceedings of the Artificial Neural Networks: Formal Models and Their Applications, 2005

Facial and Body Feature Extraction for Emotionally-Rich HCI.
Proceedings of the Encyclopedia of Information Science and Technology (5 Volumes), 2005

2004
A snake model for object tracking in natural sequences.
Signal Process. Image Commun., 2004

Probabilistic Boundary-Based Contour Tracking With Snakes In Natural Cluttered Video Sequences.
Int. J. Image Graph., 2004

Rule-Driven Object Tracking in Clutter and Partial Occlusion with Model-Based Snakes.
EURASIP J. Adv. Signal Process., 2004

Adaptive Rule-Based Facial Expression Recognition.
Proceedings of the Methods and Applications of Artificial Intelligence, 2004

Spatiotemporal visual attention architecture for video analysis.
Proceedings of the IEEE 6th Workshop on Multimedia Signal Processing, 2004

Facial expression classification based on MPEG-4 FAPs: the use of evidence and prior knowledge for uncertainty removal.
Proceedings of the IEEE International Conference on Fuzzy Systems, 2004

2003
Object tracking in clutter and partial occlusion through rule-driven utilization of Snakes.
Proceedings of the 2003 IEEE International Conference on Multimedia and Expo, 2003

Improving the Performance of Resource Allocation Networks through Hierarchical Clustering of High-Dimensional Data.
Proceedings of the Artificial Neural Networks and Neural Information Processing, 2003

An Intelligent Scheme for Facial Expression Recognition.
Proceedings of the Artificial Neural Networks and Neural Information Processing, 2003

Drawing Attention to the Dangerous.
Proceedings of the Artificial Neural Networks and Neural Information Processing, 2003

2002
Parameterized Facial Expression Synthesis Based on MPEG-4.
EURASIP J. Adv. Signal Process., 2002

2001
Facial Image Indexing in Multimedia Databases.
Pattern Anal. Appl., 2001

A Neural-Network-Based Approach to Adaptive Human Computer Interaction.
Proceedings of the Artificial Neural Networks, 2001

2000
Exploring the Time Course of Facial Expressions with a Fuzzy System.
Proceedings of the 2000 IEEE International Conference on Multimedia and Expo, 2000

Broadcast News Parsing using Visual Cues: A Robust Face Detection Approach.
Proceedings of the 2000 IEEE International Conference on Multimedia and Expo, 2000

Efficient Face Detection for Multimedia Applications.
Proceedings of the 2000 International Conference on Image Processing, 2000

Moving to continuous facial expression space using the MPEG-4 facial definition parameter (FDP) set.
Proceedings of the Human Vision and Electronic Imaging V, 2000

A fuzzy system for emotion classification based on the MPEG-4 facial definition parameter set.
Proceedings of the 10th European Signal Processing Conference, 2000

Color-based retrieval of facial images.
Proceedings of the 10th European Signal Processing Conference, 2000

1998
A Simplified Representation of 3D Human Faces adapted from 2D Images.
Proceedings of the Noblesse Workshop on Non-Linear Model Based Image Analysis, 1998

Facial expression recognition using HMM with observation dependent transition matrix.
Proceedings of the Second IEEE Workshop on Multimedia Signal Processing, 1998

Face extraction from non-uniform background and recognition in compressed domain.
Proceedings of the 1998 IEEE International Conference on Acoustics, 1998

A vector based approximation of KLT and its application to face recognition.
Proceedings of the 9th European Signal Processing Conference, 1998

1997
An image analysis system for automated detection of breast cancer nuclei.
Proceedings of the Proceedings 1997 International Conference on Image Processing, 1997


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