28 citations · 45 across the 9 of their papers we have counts for
9 papers
Weakly-supervised forced alignment of disfluent speech using phoneme-level modeling
Theodoros Kouzelis, Georgios Paraskevopoulos, Athanasios Katsamanis +1
The study of speech disorders can benefit greatly from time-aligned data. However, audio-text mismatches in disfluent speech cause rapid performance degradation for modern speech a…
Efficient Audio Captioning Transformer with Patchout and Text Guidance
Thodoris Kouzelis, Grigoris Bastas, Athanasios Katsamanis +1
Automated audio captioning is multi-modal translation task that aim to generate textual descriptions for a given audio clip. In this paper we propose a full Transformer architectur…
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…
Sample-Efficient Unsupervised Domain Adaptation of Speech Recognition Systems A case study for Modern Greek
Georgios Paraskevopoulos, Theodoros Kouzelis, Georgios Rouvalis +3
Modern speech recognition systems exhibits rapid performance degradation under domain shift. This issue is especially prevalent in data-scarce settings, such as low-resource langua…
Visual Speech-Aware Perceptual 3D Facial Expression Reconstruction from Videos
Panagiotis P. Filntisis, George Retsinas, Foivos Paraperas-Papantoniou +3
The recent state of the art on monocular 3D face reconstruction from image data has made some impressive advancements, thanks to the advent of Deep Learning. However, it has mostly…
Regotron: Regularizing the Tacotron2 architecture via monotonic alignment loss
Efthymios Georgiou, Kosmas Kritsis, Georgios Paraskevopoulos +3
Recent deep learning Text-to-Speech (TTS) systems have achieved impressive performance by generating speech close to human parity. However, they suffer from training stability issu…
Zero-Shot Cross-lingual Aphasia Detection using Automatic Speech Recognition
Gerasimos Chatzoudis, Manos Plitsis, Spyridoula Stamouli +3
Aphasia is a common speech and language disorder, typically caused by a brain injury or a stroke, that affects millions of people worldwide. Detecting and assessing Aphasia in pati…
EmpBot: A T5-based Empathetic Chatbot focusing on Sentiments
Emmanouil Zaranis, Georgios Paraskevopoulos, Athanasios Katsamanis +1
In this paper, we introduce EmpBot: an end-to-end empathetic chatbot. Empathetic conversational agents should not only understand what is being discussed, but also acknowledge the…
AudioVisual Speech Synthesis: A brief literature review
Efthymios Georgiou, Athanasios Katsamanis
This brief literature review studies the problem of audiovisual speech synthesis, which is the problem of generating an animated talking head given a text as input. Due to the high…