activity
20132023
most citedEnhanced Movie Content Similarity Based on Textual, Auditory and Visual Information

31 citations · 79 across the 6 of their papers we have counts for

collaborators

8 papers

cs.SD2023★ 28 cited

Designing and Evaluating Speech Emotion Recognition Systems: A reality check case study with IEMOCAP

Nikolaos Antoniou, Athanasios Katsamanis, Theodoros Giannakopoulos +1

There is an imminent need for guidelines and standard test sets to allow direct and fair comparisons of speech emotion recognition (SER). While resources, such as the Interactive E…

cs.SD2022★ 1 cited

A Dataset for Greek Traditional and Folk Music: Lyra

Charilaos Papaioannou, Ioannis Valiantzas, Theodoros Giannakopoulos +2

Studying under-represented music traditions under the MIR scope is crucial, not only for developing novel analysis tools, but also for unveiling musical functions that might prove…

cs.SD2022

A Dataset for Speech Emotion Recognition in Greek Theatrical Plays

Maria Moutti, Sofia Eleftheriou, Panagiotis Koromilas +1

Machine learning methodologies can be adopted in cultural applications and propose new ways to distribute or even present the cultural content to the public. For instance, speech a…

cs.CL2021★ 2 cited

Unsupervised Multimodal Language Representations using Convolutional Autoencoders

Panagiotis Koromilas, Theodoros Giannakopoulos

Multimodal Language Analysis is a demanding area of research, since it is associated with two requirements: combining different modalities and capturing temporal information. Durin…

cs.LG2021★ 12 cited

Unsupervised low-rank representations for speech emotion recognition

Georgios Paraskevopoulos, Efthymios Tzinis, Nikolaos Ellinas +2

We examine the use of linear and non-linear dimensionality reduction algorithms for extracting low-rank feature representations for speech emotion recognition. Two feature sets are…

cs.IR2017★ 31 cited

Enhanced Movie Content Similarity Based on Textual, Auditory and Visual Information

Konstantinos Bougiatiotis, Theodore Giannakopoulos

In this paper we examine the ability of low-level multimodal features to extract movie similarity, in the context of a content-based movie recommendation approach. In particular, w…

cs.CV2017

Curriculum Learning for Multi-Task Classification of Visual Attributes

Nikolaos Sarafianos, Theodore Giannakopoulos, Christophoros Nikou +1

Visual attributes, from simple objects (e.g., backpacks, hats) to soft-biometrics (e.g., gender, height, clothing) have proven to be a powerful representational approach for many a…

cs.CV2013★ 5 cited

Unobtrusive Low Cost Pupil Size Measurements using Web cameras

Sergios Petridis, Theodoros Giannakopoulos, Costantine D. Spyropoulos

Unobtrusive every day health monitoring can be of important use for the elderly population. In particular, pupil size may be a valuable source of information, since, apart from pat…