Search Results for author: Heung-Il Suk

Found 27 papers, 14 papers with code

Transferring Ultrahigh-Field Representations for Intensity-Guided Brain Segmentation of Low-Field Magnetic Resonance Imaging

no code implementations13 Feb 2024 Kwanseok Oh, Jieun Lee, Da-Woon Heo, Dinggang Shen, Heung-Il Suk

Specifically, our adaptive fusion module aggregates 7T-like features derived from the LF image by a pre-trained network and then refines them to be effectively assimilable UHF guidance into LF image features.

Brain Image Segmentation Brain Segmentation +3

KindMed: Knowledge-Induced Medicine Prescribing Network for Medication Recommendation

no code implementations23 Oct 2023 Ahmad Wisnu Mulyadi, Heung-Il Suk

Extensive adoption of electronic health records (EHRs) offers opportunities for its use in various clinical analyses.

Graph Representation Learning Knowledge Graphs

A Learnable Counter-condition Analysis Framework for Functional Connectivity-based Neurological Disorder Diagnosis

no code implementations6 Oct 2023 Eunsong Kang, Da-Woon Heo, Jiwon Lee, Heung-Il Suk

Most existing frameworks consist of three stages, namely, feature selection, feature extraction for classification, and analysis, where each stage is implemented separately.

Explainable Models feature selection

A Quantitatively Interpretable Model for Alzheimer's Disease Prediction Using Deep Counterfactuals

no code implementations5 Oct 2023 Kwanseok Oh, Da-Woon Heo, Ahmad Wisnu Mulyadi, Wonsik Jung, Eunsong Kang, Kun Ho Lee, Heung-Il Suk

Deep learning (DL) for predicting Alzheimer's disease (AD) has provided timely intervention in disease progression yet still demands attentive interpretability to explain how their DL models make definitive decisions.

counterfactual Counterfactual Reasoning +1

Deep Geometric Learning with Monotonicity Constraints for Alzheimer's Disease Progression

no code implementations5 Oct 2023 Seungwoo Jeong, Wonsik Jung, Junghyo Sohn, Heung-Il Suk

We verify our proposed method's efficacy by predicting clinical labels and cognitive scores over time in regular and irregular settings.

Domain Generalization for Medical Image Analysis: A Survey

no code implementations5 Oct 2023 Jee Seok Yoon, Kwanseok Oh, Yooseung Shin, Maciej A. Mazurowski, Heung-Il Suk

Medical image analysis (MedIA) has become an essential tool in medicine and healthcare, aiding in disease diagnosis, prognosis, and treatment planning, and recent successes in deep learning (DL) have made significant contributions to its advances.

Domain Generalization

EAG-RS: A Novel Explainability-guided ROI-Selection Framework for ASD Diagnosis via Inter-regional Relation Learning

1 code implementation5 Oct 2023 Wonsik Jung, Eunjin Jeon, Eunsong Kang, Heung-Il Suk

Deep learning models based on resting-state functional magnetic resonance imaging (rs-fMRI) have been widely used to diagnose brain diseases, particularly autism spectrum disorder (ASD).

Explainable artificial intelligence

SADM: Sequence-Aware Diffusion Model for Longitudinal Medical Image Generation

1 code implementation16 Dec 2022 Jee Seok Yoon, Chenghao Zhang, Heung-Il Suk, Jia Guo, Xiaoxiao Li

To this end, we propose a sequence-aware diffusion model (SADM) for the generation of longitudinal medical images.

Image Generation Medical Image Generation

XADLiME: eXplainable Alzheimer's Disease Likelihood Map Estimation via Clinically-guided Prototype Learning

1 code implementation27 Jul 2022 Ahmad Wisnu Mulyadi, Wonsik Jung, Kwanseok Oh, Jee Seok Yoon, Heung-Il Suk

By considering this pseudo map as an enriched reference, we employ an estimating network to estimate the AD likelihood map over a 3D sMRI scan.

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

Learn-Explain-Reinforce: Counterfactual Reasoning and Its Guidance to Reinforce an Alzheimer's Disease Diagnosis Model

1 code implementation21 Aug 2021 Kwanseok Oh, Jee Seok Yoon, Heung-Il Suk

Existing studies on disease diagnostic models focus either on diagnostic model learning for performance improvement or on the visual explanation of a trained diagnostic model.

counterfactual Counterfactual Reasoning +1

Deep Joint Learning of Pathological Region Localization and Alzheimer's Disease Diagnosis

2 code implementations10 Aug 2021 Changhyun Park, Heung-Il Suk

Various data-driven approaches have been introduced to capture subtle and local morphological changes of the brain accompanied by the disease progression.

Decision Making Position

Medical Transformer: Universal Brain Encoder for 3D MRI Analysis

no code implementations28 Apr 2021 Eunji Jun, Seungwoo Jeong, Da-Woon Heo, Heung-Il Suk

For building a source model generally applicable to various tasks, we pre-train the model in a self-supervised learning manner for masked encoding vector prediction as a proxy task, using a large-scale normal, healthy brain magnetic resonance imaging (MRI) dataset.

Brain Tumor Segmentation Self-Supervised Learning +2

Fine-Grained Attention for Weakly Supervised Object Localization

no code implementations11 Apr 2021 Junghyo Sohn, Eunjin Jeon, Wonsik Jung, Eunsong Kang, Heung-Il Suk

Although recent advances in deep learning accelerated an improvement in a weakly supervised object localization (WSOL) task, there are still challenges to identify the entire body of an object, rather than only discriminative parts.

Object Weakly-Supervised Object Localization

Multi-view Integration Learning for Irregularly-sampled Clinical Time Series

no code implementations25 Jan 2021 Yurim Lee, Eunji Jun, Heung-Il Suk

In addition, we build an attention-based decoder as a missing value imputer that helps empower the representation learning of the inter-relations among multi-view observations for the prediction task, which operates at the training phase only.

Imputation Irregular Time Series +4

Born Identity Network: Multi-way Counterfactual Map Generation to Explain a Classifier's Decision

1 code implementation20 Nov 2020 Kwanseok Oh, Jee Seok Yoon, Heung-Il Suk

Specifically, our proposed BIN consists of two core components: Counterfactual Map Generator and Target Attribution Network.

counterfactual

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

Deep Recurrent Model for Individualized Prediction of Alzheimer's Disease Progression

1 code implementation6 May 2020 Wonsik Jung, Eunji Jun, Heung-Il Suk

While many of the previous works considered cross-sectional analysis, more recent studies have focused on the diagnosis and prognosis of AD with longitudinal or time series data in a way of disease progression modeling (DPM).

Imputation Time Series +1

Uncertainty-Aware Variational-Recurrent Imputation Network for Clinical Time Series

1 code implementation2 Mar 2020 Ahmad Wisnu Mulyadi, Eunji Jun, Heung-Il Suk

In this work, we propose a novel variational-recurrent imputation network, which unifies an imputation and a prediction network by taking into account the correlated features, temporal dynamics, as well as the uncertainty.

Imputation Time Series +1

Uncertainty-Gated Stochastic Sequential Model for EHR Mortality Prediction

1 code implementation2 Mar 2020 Eunji Jun, Ahmad Wisnu Mulyadi, Jaehun Choi, Heung-Il Suk

However, once the missing values are imputed, most existing methods do not consider the fidelity or confidence of the imputed values in the modeling of downstream tasks.

Imputation Mortality Prediction

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

A Plug-in Method for Representation Factorization in Connectionist Models

2 code implementations27 May 2019 Jee Seok Yoon, Myung-Cheol Roh, Heung-Il Suk

In this article, we focus on decomposing latent representations in generative adversarial networks or learned feature representations in deep autoencoders into semantically controllable factors in a semisupervised manner, without modifying the original trained models.

Few-Shot Learning Image-to-Image Translation +2

Multi-Scale Gradual Integration CNN for False Positive Reduction in Pulmonary Nodule Detection

1 code implementation24 Jul 2018 Bum-Chae Kim, Jun-Sik Choi, Heung-Il Suk

Lung cancer is a global and dangerous disease, and its early detection is crucial to reducing the risks of mortality.

Joint Coupled-Feature Representation and Coupled Boosting for AD Diagnosis

no code implementations CVPR 2014 Yinghuan Shi, Heung-Il Suk, Yang Gao, Dinggang Shen

Therefore, it is natural to hypothesize that the low-level features extracted from neuroimaging data are related to each other in some ways.

Matrix-Similarity Based Loss Function and Feature Selection for Alzheimer's Disease Diagnosis

no code implementations CVPR 2014 Xiaofeng Zhu, Heung-Il Suk, Dinggang Shen

We conducted experiments on the Alzheimer's Disease Neuroimaging Initiative (ADNI) dataset, and showed that the newly devised loss function was effective to enhance the performances of both clinical score prediction and disease status identification, outperforming the state-of-the-art methods.

feature selection

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