Search Results for author: Wonjun Ko

Found 5 papers, 3 papers with code

TransSleep: Transitioning-aware Attention-based Deep Neural Network for Sleep Staging

1 code implementation22 Mar 2022 Jauen Phyo, Wonjun Ko, Eunjin Jeon, Heung-Il Suk

Based on our overall results, we believe that TransSleep has immense potential to provide new insights into deep learning-based sleep staging.

Sleep Staging

Deep Efficient Continuous Manifold Learning for Time Series Modeling

1 code implementation3 Dec 2021 Seungwoo Jeong, Wonjun Ko, Ahmad Wisnu Mulyadi, Heung-Il Suk

Modeling non-Euclidean data is drawing extensive attention along with the unprecedented successes of deep neural networks in diverse fields.

Action Recognition Irregular Time Series +3

A Novel RL-assisted Deep Learning Framework for Task-informative Signals Selection and Classification for Spontaneous BCIs

no code implementations1 Jul 2020 Wonjun Ko, Eunjin Jeon, Heung-Il Suk

In this work, we formulate the problem of estimating and selecting task-relevant temporal signal segments from a single EEG trial in the form of a Markov decision process and propose a novel reinforcement-learning mechanism that can be combined with the existing deep-learning based BCI methods.

EEG

Multi-Scale Neural network for EEG Representation Learning in BCI

no code implementations2 Mar 2020 Wonjun Ko, Eunjin Jeon, Seungwoo Jeong, Heung-Il Suk

Among the various deep network architectures, convolutional neural networks have been well suited for spatio-spectral-temporal electroencephalogram signal representation learning.

Brain Computer Interface EEG +1

Mutual Information-driven Subject-invariant and Class-relevant Deep Representation Learning in BCI

1 code implementation17 Oct 2019 Eunjin Jeon, Wonjun Ko, Jee Seok Yoon, Heung-Il Suk

In this paper, we propose a novel framework that learns class-relevant and subject-invariant feature representations in an information-theoretic manner, without using adversarial learning.

Brain Computer Interface Domain Adaptation +3

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