Theodoros Giannakopoulos

According to our database1, Theodoros Giannakopoulos authored at least 91 papers between 2005 and 2024.

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

Timeline

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PhD thesis 
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Bibliography

2024
Bridging Mini-Batch and Asymptotic Analysis in Contrastive Learning: From InfoNCE to Kernel-Based Losses.
Proceedings of the Forty-first International Conference on Machine Learning, 2024

A Self-Supervised Learning Approach for Detecting Non-Psychotic Relapses Using Wearable-Based Digital Phenotyping.
Proceedings of the IEEE International Conference on Acoustics, 2024

2023
Smart Subs Subtitling App for Watching Live Virtual Dome Performances.
Proceedings of the 18th International Workshop on Semantic and Social Media Adaptation and Personalization, 2023

Cross-Lingual Features for Alzheimer's Dementia Detection from Speech.
Proceedings of the 24th Annual Conference of the International Speech Communication Association, 2023

MMATR: A Lightweight Approach for Multimodal Sentiment Analysis Based on Tensor Methods.
Proceedings of the IEEE International Conference on Acoustics, 2023

Designing and Evaluating Speech Emotion Recognition Systems: A Reality Check Case Study with IEMOCAP.
Proceedings of the IEEE International Conference on Acoustics, 2023

Unsupervised Temporal Analysis of Mouse Vocalizations.
Proceedings of the IEEE Conference on Computational Intelligence in Bioinformatics and Computational Biology, 2023

2022
Photography Style Analysis using Convolutional Neural Networks.
Proceedings of the 16th International Conference on Signal-Image Technology & Internet-Based Systems, 2022

Cross-linguistic speech emotion recognition using CNNs: a use-case in Greek Theatrical Data.
Proceedings of the PETRA '22: The 15th International Conference on PErvasive Technologies Related to Assistive Environments, Corfu, Greece, 29 June 2022, 2022

A Dataset for Speech Emotion Recognition in Greek Theatrical Plays.
Proceedings of the Thirteenth Language Resources and Evaluation Conference, 2022

A Dataset for Greek Traditional and Folk Music: Lyra.
Proceedings of the 23rd International Society for Music Information Retrieval Conference, 2022

Film Shot Type Classification Based on Camera Movement Styles.
Proceedings of the Pattern Recognition and Image Analysis - 10th Iberian Conference, 2022

Real-time Feasibility of a Human Intention Method Evaluated Through a Competitive Human-Robot Reaching Game.
Proceedings of the ACM/IEEE International Conference on Human-Robot Interaction, 2022

Object Size Prediction from Hand Movement Using a Single RGB Sensor.
Proceedings of the Artificial Intelligence in HCI, 2022

Audio and ASR-based Filled Pause Detection.
Proceedings of the 10th International Conference on Affective Computing and Intelligent Interaction, 2022

2021
Unsupervised Multimodal Language Representations using Convolutional Autoencoders.
CoRR, 2021

White Paper: Challenges and Considerations for the Creation of a Large Labelled Repository of Online Videos with Questionable Content.
CoRR, 2021

Multimodal Workplace Monitoring for Human Activity Recognition.
Proceedings of the PCI 2021: 25th Pan-Hellenic Conference on Informatics, Volos, Greece, November 26, 2021

Automatic Assessment of Speaking Skills Using Aural and Textual Information.
Proceedings of the 4th International Conference on Natural Language and Speech Processing, 2021

2020
ARCHEO: A Dataset for Sound Event Detection in Areas of Touristic Interest.
Proceedings of the 15th International Workshop on Semantic and Social Media Adaptation and Personalization, 2020

2019
Real-Time Arm Gesture Recognition Using 3D Skeleton Joint Data.
Algorithms, 2019

Fusing Handcrafted and Contextual Features for Human Activity Recognition.
Proceedings of the 14th International Workshop on Semantic and Social Media Adaptation and Personalization, 2019

Recognizing the quality of urban sound recordings using hand-crafted and deep audio features.
Proceedings of the 12th ACM International Conference on PErvasive Technologies Related to Assistive Environments, 2019

Athens Urban Soundscape (ATHUS): A Dataset for Urban Soundscape Quality Recognition.
Proceedings of the MultiMedia Modeling - 25th International Conference, 2019

Unsupervised Low-Rank Representations for Speech Emotion Recognition.
Proceedings of the 20th Annual Conference of the International Speech Communication Association, 2019

Data Augmentation Using GANs for Speech Emotion Recognition.
Proceedings of the 20th Annual Conference of the International Speech Communication Association, 2019

Recognition of Urban Sound Events Using Deep Context-Aware Feature Extractors and Handcrafted Features.
Proceedings of the Artificial Intelligence Applications and Innovations, 2019

Using Oliver API for emotion-aware movie content characterization.
Proceedings of the 2019 International Conference on Content-Based Multimedia Indexing, 2019

2018
Curriculum learning of visual attribute clusters for multi-task classification.
Pattern Recognit., 2018

Speech-music discrimination using deep visual feature extractors.
Expert Syst. Appl., 2018

Enhanced movie content similarity based on textual, auditory and visual information.
Expert Syst. Appl., 2018

Deep learned features for image retrieval.
Proceedings of the 10th Hellenic Conference on Artificial Intelligence, 2018

Speaker Verification based on extraction of Deep Features.
Proceedings of the 10th Hellenic Conference on Artificial Intelligence, 2018

2017
Deep Visual Attributes vs. Hand-Crafted Audio Features on Multidomain Speech Emotion Recognition.
Comput., 2017

Extracting emotions from speech using a bag-of-visual-words approach.
Proceedings of the 12th International Workshop on Semantic and Social Media Adaptation and Personalization, 2017

A Fitness Monitoring System based on Fusion of Visual and Sensorial Information.
Proceedings of the 10th International Conference on PErvasive Technologies Related to Assistive Environments, 2017

Daily Activity Recognition based on Meta-classification of Low-level Audio Events.
Proceedings of the 3rd International Conference on Information and Communication Technologies for Ageing Well and e-Health, 2017

Curriculum Learning for Multi-task Classification of Visual Attributes.
Proceedings of the 2017 IEEE International Conference on Computer Vision Workshops, 2017

Towards predicting task performance from EEG signals.
Proceedings of the 2017 IEEE International Conference on Big Data (IEEE BigData 2017), 2017

2016
Audio-visual speaker diarization using fisher linear semi-discriminant analysis.
Multim. Tools Appl., 2016

Short-Term Recognition of Human Activities Using Convolutional Neural Networks.
Proceedings of the 12th International Conference on Signal-Image Technology & Internet-Based Systems, 2016

Content Representation and Similarity of Movies based on Topic Extraction from Subtitles.
Proceedings of the 9th Hellenic Conference on Artificial Intelligence, 2016

Fusing active orientation models and mid-term audio features for automatic depression estimation.
Proceedings of the 9th ACM International Conference on PErvasive Technologies Related to Assistive Environments, 2016

A ROS framework for audio-based activity recognition.
Proceedings of the 9th ACM International Conference on PErvasive Technologies Related to Assistive Environments, 2016

Monitoring Activities of Daily Living Using Audio Analysis and a RaspberryPI: A Use Case on Bathroom Activity Monitoring.
Proceedings of the Information and Communication Technologies for Ageing Well and e-Health, 2016

A Low-cost Approach for Detecting Activities of Daily Living using Audio Information: A Use Case on Bathroom Activity Monitoring.
Proceedings of the 2nd International Conference on Information and Communication Technologies for Ageing Well and e-Health, 2016

Computation and communication challenges to deploy robots in assisted living environments.
Proceedings of the 2016 Design, Automation & Test in Europe Conference & Exhibition, 2016

2015
A Low Cost Pupillometry Approach.
Int. J. E Health Medical Commun., 2015

Visual-Based Classification of Figures from Scientific Literature.
Proceedings of the 24th International Conference on World Wide Web Companion, 2015

Counting and tracking people in a smart room: An IoT approach.
Proceedings of the 10th International Workshop on Semantic and Social Media Adaptation and Personalization, 2015

A multimodal adaptive dialogue manager for depressive and anxiety disorder screening: a Wizard-of-Oz experiment.
Proceedings of the 8th ACM International Conference on PErvasive Technologies Related to Assistive Environments, 2015

A two-step identification method for human-robot interaction in assistive environments.
Proceedings of the 8th ACM International Conference on PErvasive Technologies Related to Assistive Environments, 2015

Automatic soundscape quality estimation using audio analysis.
Proceedings of the 8th ACM International Conference on PErvasive Technologies Related to Assistive Environments, 2015

Exploiting future internet technologies: the smart room case.
Proceedings of the 8th ACM International Conference on PErvasive Technologies Related to Assistive Environments, 2015

Fusing multiple audio sensors for acoustic event detection.
Proceedings of the 9th International Symposium on Image and Signal Processing and Analysis, 2015

Visual sentiment analysis for brand monitoring enhancement.
Proceedings of the 9th International Symposium on Image and Signal Processing and Analysis, 2015

A dynamic model for environmentally safe shipping through the Aegean Sea.
Proceedings of the 6th International Conference on Information, 2015

A maritime data analytics platform for policy recommendation.
Proceedings of the 6th International Conference on Information, 2015

Use of Sentinel-1 data for Maritime Domain Awareness: Preliminary results.
Proceedings of the 6th International Conference on Information, 2015

Robots in Assisted Living Environments as an Unobtrusive, Efficient, Reliable and Modular Solution for Independent Ageing: The RADIO Perspective.
Proceedings of the Applied Reconfigurable Computing - 11th International Symposium, 2015

2014
Discovering and Visualizing Interdisciplinary Content Classes in Scientific Publications.
D Lib Mag., 2014

Discovering Similarities for Content-Based Recommendation and Browsing in Multimedia Collections.
Proceedings of the Tenth International Conference on Signal-Image Technology and Internet-Based Systems, 2014

Clothes Change Detection Using the Kinect Sensor.
Proceedings of the SIGMAP 2014, 2014

Bayesian network to predict environmental risk of a possible ship accident.
Proceedings of the 7th International Conference on PErvasive Technologies Related to Assistive Environments, 2014

AMINESS: a platform for environmentally safe shipping.
Proceedings of the 7th International Conference on PErvasive Technologies Related to Assistive Environments, 2014

Detection of Clothes Change Fusing Color, Texture, Edge and Depth Information.
Proceedings of the E-Business and Telecommunications - 11th International Joint Conference, 2014

Realtime depression estimation using mid-term audio features.
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

2013
Unobtrusive Low Cost Pupil Size Measurements using Web cameras.
CoRR, 2013

Supervised Content Visualization of Scientific Publications: A Case Study on the ArXiv Dataset.
Proceedings of the Language Processing and Intelligent Information Systems, 2013

Content Visualization of Scientific Corpora Using an Extensible Relational Database Implementation.
Proceedings of the Theory and Practice of Digital Libraries - TPDL 2013 Selected Workshops, 2013

2012
Fisher Linear Semi-Discriminant Analysis for Speaker Diarization.
IEEE Trans. Speech Audio Process., 2012

Detection and clustering of musical audio parts using Fisher linear semi-discriminant analysis.
Proceedings of the 20th European Signal Processing Conference, 2012

2011
Multimodal and ontology-based fusion approaches of audio and visual processing for violence detection in movies.
Expert Syst. Appl., 2011

2010
User-driven recognition of audio events in news videos.
Proceedings of the 5th International Workshop on Semantic Media Adaptation and Personalization, 2010

A Multi-class Method for Detecting Audio Events in News Broadcasts.
Proceedings of the Artificial Intelligence: Theories, 2010

Audio-Visual Fusion for Detecting Violent Scenes in Videos.
Proceedings of the Artificial Intelligence: Theories, 2010

A Multimodal Approach to Violence Detection in Video Sharing Sites.
Proceedings of the 20th International Conference on Pattern Recognition, 2010

Unsupervised Speaker Clustering in a Linear Discriminant Subspace.
Proceedings of the Ninth International Conference on Machine Learning and Applications, 2010

2009
Study and application of acoustic information for the detection of harmful content and fusion with visual information
PhD thesis, 2009

A dimensional approach to emotion recognition of speech from movies.
Proceedings of the IEEE International Conference on Acoustics, 2009

2008
A Speech/Music Discriminator of Radio Recordings Based on Dynamic Programming and Bayesian Networks.
IEEE Trans. Multim., 2008

Music tracking in audio streams from movies.
Proceedings of the International Workshop on Multimedia Signal Processing, 2008

A novel efficient approach for audio segmentation.
Proceedings of the 19th International Conference on Pattern Recognition (ICPR 2008), 2008

Gunshot detection in audio streams from movies by means of dynamic programming and Bayesian networks.
Proceedings of the IEEE International Conference on Acoustics, 2008

2007
A Multi-Class Audio Classification Method With Respect To Violent Content In Movies Using Bayesian Networks.
Proceedings of the IEEE 9th Workshop on Multimedia Signal Processing, 2007

A dynamic programming approach to speech/music discrimination of radio recordings.
Proceedings of the 15th European Signal Processing Conference, 2007

2006
Violence Content Classification Using Audio Features.
Proceedings of the Advances in Artificial Intelligence, 4th Helenic Conference on AI, 2006

A computationally efficient speech/music discriminator for radio recordings.
Proceedings of the ISMIR 2006, 2006

A Speech/Music Discriminator for Radio Recordings Using Bayesian Networks.
Proceedings of the 2006 IEEE International Conference on Acoustics Speech and Signal Processing, 2006

Speech/music discrimination for radio broadcasts using a hybrid HMM-Bayesian Network architecture.
Proceedings of the 14th European Signal Processing Conference, 2006

2005
A practical, real-time speech-driven home automation front-end.
IEEE Trans. Consumer Electron., 2005


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