A practical, real-time speech-driven home automation front-end. - Theodoros Giannakopoulos; Nicolas-Alexander Tatlas; Todor Ganchev; Ilyas Potamitis (IEEE Trans. Consumer Electron., 2005)

Speech/music discrimination for radio broadcasts using a hybrid HMM-Bayesian Network architecture. - Aggelos Pikrakis; Theodoros Giannakopoulos; Sergios Theodoridis (EUSIPCO, 2006)

A Speech/Music Discriminator for Radio Recordings Using Bayesian Networks. - Theodoros Giannakopoulos; Aggelos Pikrakis; Sergios Theodoridis (ICASSP (5), 2006)

A computationally efficient speech/music discriminator for radio recordings. - Aggelos Pikrakis; Theodoros Giannakopoulos; Sergios Theodoridis (ISMIR, 2006)

Violence Content Classification Using Audio Features. - Theodoros Giannakopoulos; Dimitrios I. Kosmopoulos; Andreas Aristidou; Sergios Theodoridis (SETN, 2006)

A dynamic programming approach to speech/music discrimination of radio recordings. - Aggelos Pikrakis; Theodoros Giannakopoulos; Sergios Theodoridis (EUSIPCO, 2007)

A Multi-Class Audio Classification Method With Respect To Violent Content In Movies Using Bayesian Networks. - Theodoros Giannakopoulos; Aggelos Pikrakis; Sergios Theodoridis (MMSP, 2007)

Gunshot detection in audio streams from movies by means of dynamic programming and Bayesian networks. - Aggelos Pikrakis; Theodoros Giannakopoulos; Sergios Theodoridis (ICASSP, 2008)

A novel efficient approach for audio segmentation. - Theodoros Giannakopoulos; Aggelos Pikrakis; Sergios Theodoridis (ICPR, 2008)

Music tracking in audio streams from movies. - Theodoros Giannakopoulos; Aggelos Pikrakis; Sergios Theodoridis (MMSP, 2008)

A Speech/Music Discriminator of Radio Recordings Based on Dynamic Programming and Bayesian Networks. - Aggelos Pikrakis; Theodoros Giannakopoulos; Sergios Theodoridis (IEEE Trans. Multim., 2008)

A dimensional approach to emotion recognition of speech from movies. - Theodoros Giannakopoulos; Aggelos Pikrakis; Sergios Theodoridis (ICASSP, 2009)

Study and application of acoustic information for the detection of harmful content and fusion with visual information - Theodoros Giannakopoulos (2009)

Unsupervised Speaker Clustering in a Linear Discriminant Subspace. - Theodoros Giannakopoulos; Sergios Petridis (ICMLA, 2010)

A Multimodal Approach to Violence Detection in Video Sharing Sites. - Theodoros Giannakopoulos; Aggelos Pikrakis; Sergios Theodoridis (ICPR, 2010)

Audio-Visual Fusion for Detecting Violent Scenes in Videos. - Theodoros Giannakopoulos; Alexandros Makris; Dimitrios I. Kosmopoulos; Stavros J. Perantonis; Sergios Theodoridis (SETN, 2010)

A Multi-class Method for Detecting Audio Events in News Broadcasts. - Sergios Petridis; Theodoros Giannakopoulos; Stavros J. Perantonis (SETN, 2010)

User-driven recognition of audio events in news videos. - Theodoros Giannakopoulos; Sergios Petridis; Stavros J. Perantonis (SMAP, 2010)

Multimodal and ontology-based fusion approaches of audio and visual processing for violence detection in movies. - Thanassis Perperis; Theodoros Giannakopoulos; Alexandros Makris; Dimitrios I. Kosmopoulos; Sofia Tsekeridou; Stavros J. Perantonis; Sergios Theodoridis (Expert Syst. Appl., 2011)

Detection and clustering of musical audio parts using Fisher linear semi-discriminant analysis. - Theodoros Giannakopoulos; Sergios Petridis (EUSIPCO, 2012)

Fisher Linear Semi-Discriminant Analysis for Speaker Diarization. - Theodoros Giannakopoulos; Sergios Petridis (IEEE Trans. Speech Audio Process., 2012)

Content Visualization of Scientific Corpora Using an Extensible Relational Database Implementation. - Theodoros Giannakopoulos; Elefterios Stamatogiannakis; Ioannis Foufoulas; Harry Dimitropoulos; Natalia Manola; Yannis E. Ioannidis (TPDL Workshops, 2013)

Supervised Content Visualization of Scientific Publications: A Case Study on the ArXiv Dataset. - Theodoros Giannakopoulos; Harry Dimitropoulos; Omiros Metaxas; Natalia Manola; Yannis E. Ioannidis (IIS, 2013)

Unobtrusive Low Cost Pupil Size Measurements using Web cameras. - Sergios Petridis; Theodoros Giannakopoulos; Constantine D. Spyropoulos (CoRR, 2013)

Realtime depression estimation using mid-term audio features. - Theodoros Giannakopoulos; Christos Smailis; Stavros J. Perantonis; Constantine D. Spyropoulos (AI-AM/NetMed@ECAI, 2014)

Detection of Clothes Change Fusing Color, Texture, Edge and Depth Information. - Dimitrios Sgouropoulos; Theodoros Giannakopoulos; Giorgos Siantikos; Evaggelos Spyrou; Stavros J. Perantonis (ICETE (Selected Papers), 2014)

AMINESS: a platform for environmentally safe shipping. - Theodoros Giannakopoulos; Ioannis A. Vetsikas; Ioanna A. Koromila; Vangelis Karkaletsis; Stavros J. Perantonis (PETRA, 2014)

Bayesian network to predict environmental risk of a possible ship accident. - Ioanna A. Koromila; Zoe Nivolianitou; Theodoros Giannakopoulos (PETRA, 2014)

Clothes Change Detection Using the Kinect Sensor. - Dimitris Sgouropoulos; Theodoros Giannakopoulos; Sergios Petridis; Stavros J. Perantonis; Antonis Korakis (SIGMAP, 2014)

Discovering Similarities for Content-Based Recommendation and Browsing in Multimedia Collections. - Taras Lehinevych; Nikolaos Kokkinis-Ntrenis; Giorgos Siantikos; A. Seza Dogruöz; Theodoros Giannakopoulos; Stasinos Konstantopoulos (SITIS, 2014)

Discovering and Visualizing Interdisciplinary Content Classes in Scientific Publications. - Theodoros Giannakopoulos; Ioannis Foufoulas; Elefterios Stamatogiannakis; Harry Dimitropoulos; Natalia Manola; Yannis E. Ioannidis (D Lib Mag., 2014)

Robots in Assisted Living Environments as an Unobtrusive, Efficient, Reliable and Modular Solution for Independent Ageing: The RADIO Perspective. - Christos P. Antonopoulos; Georgios Keramidas; Nikolaos S. Voros; Michael Hübner 001; Diana Göhringer; Maria Dagioglou; Theodoros Giannakopoulos; Stasinos Konstantopoulos; Vangelis Karkaletsis (ARC, 2015)

Use of Sentinel-1 data for Maritime Domain Awareness: Preliminary results. - Eleni Charou; Emmanuel Bratsolis; Sotirios Gyftakis; Theodoros Giannakopoulos; Stavros J. Perantonis (IISA, 2015)

A maritime data analytics platform for policy recommendation. - Sotirios Gyftakis; Theodoros Giannakopoulos; Angelos Makrygiorgos; Eleni Charou; Stavros J. Perantonis; Ioanna A. Koromila; Zoe Nivolianitou (IISA, 2015)

A dynamic model for environmentally safe shipping through the Aegean Sea. - Ioanna A. Koromila; Zoe Nivolianitou; Theodoros Giannakopoulos; Stavros J. Perantonis; Eleni Charou; Sotirios Gyftakis (IISA, 2015)

Visual sentiment analysis for brand monitoring enhancement. - Theodoros Giannakopoulos; Michalis Papakostas; Stavros J. Perantonis; Vangelis Karkaletsis (ISPA, 2015)

Fusing multiple audio sensors for acoustic event detection. - Giorgos Siantikos; Dimitris Sgouropoulos; Theodoros Giannakopoulos; Evaggelos Spyrou (ISPA, 2015)

Exploiting future internet technologies: the smart room case. - Charilaos Akasiadis; Evaggelos Spyrou; Georgios Pierris; Dimitris Sgouropoulos; Giorgos Siantikos; Alexandros Mavrommatis; Costas Vrakopoulos; Theodoros Giannakopoulos (PETRA, 2015)

Automatic soundscape quality estimation using audio analysis. - Theodoros Giannakopoulos; Giorgos Siantikos; Stavros J. Perantonis; Nefta-Eleftheria Votsi; John Pantis (PETRA, 2015)

A two-step identification method for human-robot interaction in assistive environments. - Alexandros Lioulemes; Nikolaos Sarafianos; Theodoros Giannakopoulos; Vangelis Karkaletsis (PETRA, 2015)

A multimodal adaptive dialogue manager for depressive and anxiety disorder screening: a Wizard-of-Oz experiment. - Konstantinos Tsiakas; Lynette Watts; Cyril Lutterodt; Theodoros Giannakopoulos; Alexandros Papangelis; Robert Gatchel; Vangelis Karkaletsis; Fillia Makedon (PETRA, 2015)

Counting and tracking people in a smart room: An IoT approach. - Dimitris Sgouropoulos; Evaggelos Spyrou; Giorgos Siantikos; Theodoros Giannakopoulos (SMAP, 2015)

Visual-Based Classification of Figures from Scientific Literature. - Theodoros Giannakopoulos; Ioannis Foufoulas; Elefterios Stamatogiannakis; Harry Dimitropoulos; Natalia Manola; Yannis E. Ioannidis (WWW (Companion Volume), 2015)

A Low Cost Pupillometry Approach. - Sergios Petridis; Theodoros Giannakopoulos; Constantine D. Spyropoulos (Int. J. E Health Medical Commun., 2015)

Computation and communication challenges to deploy robots in assisted living environments. - Georgios Keramidas; Christos P. Antonopoulos; Nikolaos S. Voros; Fynn Schwiegelshohn; Philipp Wehner; Jens Rettkowski; Diana Göhringer; Michael Hübner 001; Stasinos Konstantopoulos; Theodoros Giannakopoulos; Vangelis Karkaletsis; Vaggelis Mariatos (DATE, 2016)

A Low-cost Approach for Detecting Activities of Daily Living using Audio Information: A Use Case on Bathroom Activity Monitoring. - Georgios Siantikos; Theodoros Giannakopoulos; Stasinos Konstantopoulos (ICT4AgeingWell, 2016)

Monitoring Activities of Daily Living Using Audio Analysis and a RaspberryPI: A Use Case on Bathroom Activity Monitoring. - Georgios Siantikos; Theodoros Giannakopoulos; Stasinos Konstantopoulos (ICT4AgeingWell (Selected Papers), 2016)

A ROS framework for audio-based activity recognition. - Theodoros Giannakopoulos; Georgios Siantikos (PETRA, 2016)

Fusing active orientation models and mid-term audio features for automatic depression estimation. - Christos Smailis; Nikolaos Sarafianos; Theodoros Giannakopoulos; Stavros J. Perantonis (PETRA, 2016)

Content Representation and Similarity of Movies based on Topic Extraction from Subtitles. - Konstantinos Bougiatiotis; Theodoros Giannakopoulos (SETN, 2016)

Short-Term Recognition of Human Activities Using Convolutional Neural Networks. - Michalis Papakostas; Theodoros Giannakopoulos; Fillia Makedon; Vangelis Karkaletsis (SITIS, 2016)

Audio-visual speaker diarization using fisher linear semi-discriminant analysis. - Nikolaos Sarafianos; Theodoros Giannakopoulos; Sergios Petridis (Multim. Tools Appl., 2016)

Towards predicting task performance from EEG signals. - Michalis Papakostas; Konstantinos Tsiakas; Theodoros Giannakopoulos; Fillia Makedon (IEEE BigData, 2017)

Curriculum Learning for Multi-task Classification of Visual Attributes. - Nikolaos Sarafianos; Theodore Giannakopoulos; Christophoros Nikou; Ioannis A. Kakadiaris (ICCV Workshops, 2017)

Daily Activity Recognition based on Meta-classification of Low-level Audio Events. - Theodoros Giannakopoulos; Stasinos Konstantopoulos (ICT4AgeingWell, 2017)

A Fitness Monitoring System based on Fusion of Visual and Sensorial Information. - Michalis Papakostas; Theodoros Giannakopoulos; Vangelis Karkaletsis (PETRA, 2017)

Extracting emotions from speech using a bag-of-visual-words approach. - Evaggelos Spyrou; Theodoros Giannakopoulos; Dimitrios Sgouropoulos; Michalis Papakostas (SMAP, 2017)

Deep Visual Attributes vs. Hand-Crafted Audio Features on Multidomain Speech Emotion Recognition. - Michalis Papakostas; Evaggelos Spyrou; Theodoros Giannakopoulos; Giorgos Siantikos; Dimitrios Sgouropoulos; Phivos Mylonas; Fillia Makedon (Comput., 2017)

Speaker Verification based on extraction of Deep Features. - Evangelos Mitsianis; Evaggelos Spyrou; Theodore Giannakopoulos (SETN, 2018)

Deep learned features for image retrieval. - Evangelos Mitsianis; Evaggelos Spyrou; Theodore Giannakopoulos; Stavros Niafas; Stavros J. Perantonis (SETN, 2018)

Enhanced movie content similarity based on textual, auditory and visual information. - Konstantinos Bougiatiotis; Theodoros Giannakopoulos (Expert Syst. Appl., 2018)

Speech-music discrimination using deep visual feature extractors. - Michalis Papakostas; Theodoros Giannakopoulos (Expert Syst. Appl., 2018)

Curriculum learning of visual attribute clusters for multi-task classification. - Nikolaos Sarafianos; Theodoros Giannakopoulos; Christophoros Nikou; Ioannis A. Kakadiaris (Pattern Recognit., 2018)

Using Oliver API for emotion-aware movie content characterization. - Theodoros Giannakopoulos; Spiros Dimopoulos; Georgios Pantazopoulos; Aggelina Chatziagapi; Dimitris Sgouropoulos; Athanasios Katsamanis; Alexandros Potamianos; Shrikanth S. Narayanan (CBMI, 2019)

Recognition of Urban Sound Events Using Deep Context-Aware Feature Extractors and Handcrafted Features. - Theodore Giannakopoulos; Evaggelos Spyrou; Stavros J. Perantonis (AIAI (Workshops), 2019)

Data Augmentation Using GANs for Speech Emotion Recognition. - Aggelina Chatziagapi; Georgios Paraskevopoulos; Dimitris Sgouropoulos; Georgios Pantazopoulos; Malvina Nikandrou; Theodoros Giannakopoulos; Athanasios Katsamanis; Alexandros Potamianos; Shrikanth Narayanan (INTERSPEECH, 2019)

Unsupervised Low-Rank Representations for Speech Emotion Recognition. - Georgios Paraskevopoulos; Efthymios Tzinis; Nikolaos Ellinas; Theodoros Giannakopoulos; Alexandros Potamianos (INTERSPEECH, 2019)

Athens Urban Soundscape (ATHUS): A Dataset for Urban Soundscape Quality Recognition. - Theodoros Giannakopoulos; Margarita Orfanidi; Stavros J. Perantonis (MMM (1), 2019)

Recognizing the quality of urban sound recordings using hand-crafted and deep audio features. - Theodoros Giannakopoulos; Stavros J. Perantonis (PETRA, 2019)

Fusing Handcrafted and Contextual Features for Human Activity Recognition. - Ioannis Vernikos; Eirini Mathe; Evaggelos Spyrou; Alexandros Mitsou; Theodore Giannakopoulos; Phivos Mylonas (SMAP, 2019)

Real-Time Arm Gesture Recognition Using 3D Skeleton Joint Data. - Georgios Paraskevopoulos; Evaggelos Spyrou; Dimitrios Sgouropoulos; Theodoros Giannakopoulos; Phivos Mylonas (Algorithms, 2019)

ARCHEO: A Dataset for Sound Event Detection in Areas of Touristic Interest. - Theodoros Psallidas; Alexander Mitsou; George Pikramenos; Evaggelos Spyrou; Theodore Giannakopoulos (SMAP, 2020)

Automatic Assessment of Speaking Skills Using Aural and Textual Information. - Sofia Eleftheriou; Panagiotis Koromilas; Theodoros Giannakopoulos (ICNLSP, 2021)

Multimodal Workplace Monitoring for Human Activity Recognition. - Alexandros Mitsou; Evaggelos Spyrou; Theodoros Giannakopoulos (PCI, 2021)

White Paper: Challenges and Considerations for the Creation of a Large Labelled Repository of Online Videos with Questionable Content. - Thamar Solorio; Mahsa Shafaei; Christos Smailis; Mona T. Diab; Theodore Giannakopoulos; Heng Ji 001; Yang Liu 004; Rada Mihalcea; Smaranda Muresan; Ioannis A. Kakadiaris (CoRR, 2021)

Unsupervised Multimodal Language Representations using Convolutional Autoencoders. - Panagiotis Koromilas; Theodoros Giannakopoulos (CoRR, 2021)

Audio and ASR-based Filled Pause Detection. - Aggelina Chatziagapi; Dimitris Sgouropoulos; Constantinos Karouzos; Thomas Melistas; Theodoros Giannakopoulos; Athanasios Katsamanis; Shrikanth Narayanan (ACII, 2022)

Object Size Prediction from Hand Movement Using a Single RGB Sensor. - Maria Dagioglou; Nikolaos Soulounias; Theodoros Giannakopoulos (HCI (35), 2022)

Real-time Feasibility of a Human Intention Method Evaluated Through a Competitive Human-Robot Reaching Game. - Athanasios C. Tsitos; Maria Dagioglou; Theodoros Giannakopoulos (HRI, 2022)

Film Shot Type Classification Based on Camera Movement Styles. - Antonia Petrogianni; Panagiotis Koromilas; Theodoros Giannakopoulos (IbPRIA, 2022)

A Dataset for Greek Traditional and Folk Music: Lyra. - Charilaos Papaioannou; Ioannis Valiantzas; Theodore Giannakopoulos; Maximos A. Kaliakatsos-Papakostas; Alexandros Potamianos (ISMIR, 2022)

A Dataset for Speech Emotion Recognition in Greek Theatrical Plays. - Maria Moutti; Sofia Eleftheriou; Panagiotis Koromilas; Theodoros Giannakopoulos (LREC, 2022)

Cross-linguistic speech emotion recognition using CNNs: a use-case in Greek Theatrical Data. - Maria Moutti; Sofia Eleftheriou; Panagiotis Koromilas; Theodoros Giannakopoulos (PETRA, 2022)

Photography Style Analysis using Convolutional Neural Networks. - Michael Zouros; Theodoros Giannakopoulos (SITIS, 2022)

Unsupervised Temporal Analysis of Mouse Vocalizations. - Christodoulos Bochalis; César D. M. Vargas; Erich D. Jarvis; Theodoros Giannakopoulos (CIBCB, 2023)

Designing and Evaluating Speech Emotion Recognition Systems: A Reality Check Case Study with IEMOCAP. - Nikolaos Antoniou; Athanasios Katsamanis; Theodoros Giannakopoulos; Shrikanth Narayanan (ICASSP, 2023)

MMATR: A Lightweight Approach for Multimodal Sentiment Analysis Based on Tensor Methods. - Panagiotis Koromilas; Mihalis A. Nicolaou; Theodoros Giannakopoulos; Yannis Panagakis (ICASSP, 2023)

Cross-Lingual Features for Alzheimer's Dementia Detection from Speech. - Thomas Melistas; Lefteris Kapelonis; Nikolaos Antoniou; Petros Mitseas; Dimitris Sgouropoulos; Theodoros Giannakopoulos; Athanasios Katsamanis; Shrikanth Narayanan (INTERSPEECH, 2023)

Smart Subs Subtitling App for Watching Live Virtual Dome Performances. - Dimitrios Christopoulos; Efstathia Chatzi; Georgios Sofianopoulos; Emanuella Patiniotaki; Sofia Eleftheriou; Panagiotis Koromilas; Panagiotis Kaliosis; Nefeli Gkouti; Theodoros Giannakopoulos; Kosmas Petridis; Eleni Sismanidou (SMAP, 2023)

RobuSER: A Robustness Benchmark for Speech Emotion Recognition. - Antonia Petrogianni; Lefteris Kapelonis; Nikolaos Antoniou; Sofia Eleftheriou; Petros Mitseas; Dimitris Sgouropoulos; Athanasios Katsamanis; Theodoros Giannakopoulos; Shrikanth Narayanan (ACII, 2024)

Emotion-Aware Speech Popularity Prediction: A Use-Case on TED Talks. - Dimitrios Sgouropoulos; Petros Mitseas; Sofia Eleftheriou; Theodoros Giannakopoulos; Antonia Petrogianni; Lefteris Kapelonis; Nikolaos Antoniou; Athanasios Katsamanis; Shrikanth Narayanan (ACII, 2024)

A Self-Supervised Learning Approach for Detecting Non-Psychotic Relapses Using Wearable-Based Digital Phenotyping. - Panagiotis Kaliosis; Sofia Eleftheriou; Christos Nikou; Theodoros Giannakopoulos (ICASSP Workshops, 2024)

Bridging Mini-Batch and Asymptotic Analysis in Contrastive Learning: From InfoNCE to Kernel-Based Losses. - Panagiotis Koromilas; Giorgos Bouritsas; Theodoros Giannakopoulos; Mihalis Nicolaou; Yannis Panagakis (ICML, 2024)

Greek2MathTex: A Greek Speech-to-Text Framework for LaTeX Equations Generation. - Evangelia Gkritzali; Panagiotis Kaliosis; Sofia Galanaki; Elisavet Palogiannidi; Theodoros Giannakopoulos (SETN, 2024)

Contrastive and Transfer Learning for Effective Audio Fingerprinting through a Real-World Evaluation Protocol. - Christos Nikou; Theodoros Giannakopoulos (CoRR, 2025)

A Principled Framework for Multi-View Contrastive Learning. - Panagiotis Koromilas; Efthymios Georgiou; Giorgos Bouritsas; Theodoros Giannakopoulos; Mihalis A. Nicolaou; Yannis Panagakis (CoRR, 2025)