Search Results for author: Kleanthis Avramidis

Found 10 papers, 5 papers with code

Evaluating Atypical Gaze Patterns through Vision Models: The Case of Cortical Visual Impairment

no code implementations15 Feb 2024 Kleanthis Avramidis, Melinda Y. Chang, Rahul Sharma, Mark S. Borchert, Shrikanth Narayanan

A wide range of neurological and cognitive disorders exhibit distinct behavioral markers aside from their clinical manifestations.

Clinical Knowledge

Knowledge-guided EEG Representation Learning

no code implementations15 Feb 2024 Aditya Kommineni, Kleanthis Avramidis, Richard Leahy, Shrikanth Narayanan

We also propose a novel knowledge-guided pre-training objective that accounts for the idiosyncrasies of the EEG signal.

EEG Representation Learning +1

Scaling Representation Learning from Ubiquitous ECG with State-Space Models

1 code implementation26 Sep 2023 Kleanthis Avramidis, Dominika Kunc, Bartosz Perz, Kranti Adsul, Tiantian Feng, Przemysław Kazienko, Stanisław Saganowski, Shrikanth Narayanan

We train this model in a self-supervised manner with 275, 000 10s ECG recordings collected in the wild and evaluate it on a range of downstream tasks.

Representation Learning

Signal Processing Grand Challenge 2023 -- e-Prevention: Sleep Behavior as an Indicator of Relapses in Psychotic Patients

no code implementations17 Apr 2023 Kleanthis Avramidis, Kranti Adsul, Digbalay Bose, Shrikanth Narayanan

This paper presents the approach and results of USC SAIL's submission to the Signal Processing Grand Challenge 2023 - e-Prevention (Task 2), on detecting relapses in psychotic patients.

Task 2

Multimodal Estimation of Change Points of Physiological Arousal in Drivers

1 code implementation28 Oct 2022 Kleanthis Avramidis, Tiantian Feng, Digbalay Bose, Shrikanth Narayanan

Detecting unsafe driving states, such as stress, drowsiness, and fatigue, is an important component of ensuring driving safety and an essential prerequisite for automatic intervention systems in vehicles.

Time Series Time Series Analysis

Multiscale Fractal Analysis on EEG Signals for Music-Induced Emotion Recognition

no code implementations30 Oct 2020 Kleanthis Avramidis, Athanasia Zlatintsi, Christos Garoufis, Petros Maragos

Emotion Recognition from EEG signals has long been researched as it can assist numerous medical and rehabilitative applications.

EEG Emotion Classification +1

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