Anomaly Detection, Data-Driven Approach, Data Mining/Machine Learning, Security, Provacy, Human Computer Interaction (HCI), Satellite Systems
Experience
Member of Technical Staff, NASA's Jet Propulsion Lab (JPL), Pasadena, CA, USA
Journal Articles
(2025)
Toward a robust approach to multivariate time series anomaly detection.
JOURNAL OF MICRO-NANOPATTERNING MATERIALS AND METROLOGY-JM3.
24,
4
(2025)
Stealthy Query-Efficient Opaque Attack Against Interpretable Deep Learning.
IEEE TRANSACTIONS ON RELIABILITY.
74,
3
(2025)
Development of Deep Learning-Based Algorithm for Extracting Abnormal Deceleration Patterns.
World Electric Vehicle Journal.
16,
1
(2025)
MIRACLE: Malware image recognition and classification by layered extraction.
Data Mining and Knowledge Discovery.
39,
1
(2024)
Patch-wise vector quantization for unsupervised medical anomaly detection.
PATTERN RECOGNITION LETTERS.
184,
(2024)
Hardening Interpretable Deep Learning Systems: Investigating Adversarial Threats and Defenses.
IEEE TRANSACTIONS ON DEPENDABLE AND SECURE COMPUTING.
21,
4
(2024)
A real-world pharmacovigilance study on cardiovascular adverse events of tisagenlecleucel using machine learning approach.
SCIENTIFIC REPORTS.
14,
1
(2024)
EAE-GAN: Emotion-Aware Emoji Generative Adversarial Network for Computational Modeling Diverse and Fine-Grained Human Emotions.
IEEE TRANSACTIONS ON COMPUTATIONAL SOCIAL SYSTEMS.
11,
3
(2024)
Design and evaluation of highly accurate smart contract code vulnerability detection framework.
DATA MINING AND KNOWLEDGE DISCOVERY.
38,
3
(2023)
Expectation-Maximization via Pretext-Invariant Representations.
IEEE ACCESS.
11,
(2023)
Evaluating Trustworthiness and Racial Bias in Face Recognition APIs Using Deepfakes.
COMPUTER.
56,
5
(2023)
Distance adaptive graph convolutional gated network-based smart air quality monitoring and health risk prediction in sensor-devoid urban areas.
SUSTAINABLE CITIES AND SOCIETY.
91,
1
(2023)
DID We Miss Anything?: Towards Privacy-Preserving Decentralized ID Architecture.
IEEE TRANSACTIONS ON DEPENDABLE AND SECURE COMPUTING.
20,
6
(2023)
An overhead-free region-based JPEG framework for task-driven image compression.
PATTERN RECOGNITION LETTERS.
165,
1
(2022)
PasswordTensor: Analyzing and explaining password strength using tensor decomposition.
COMPUTERS & SECURITY.
116,
(2022)
A Survey of Deep Learning-Based Object Detection Methods and Datasets for Overhead Imagery.
IEEE ACCESS.
10,
1
(2022)
ORVAE: One-Class Residual Variational Autoencoder for Voice Activity Detection in Noisy Environment.
NEURAL PROCESSING LETTERS.
54,
3
(2021)
Detecting handcrafted facial image manipulations and GAN-generated facial images using Shallow-FakeFaceNet.
APPLIED SOFT COMPUTING.
105,
1
(2021)
Neural network laundering: Removing black-box backdoor watermarks from deep neural networks.
COMPUTERS & SECURITY.
106,
(2021)
Will EU's GDPR Act as an Effective Enforcer to Gain Consent?.
IEEE ACCESS.
9,
1
Patent/Intellectual Property
딥러닝 모델의 학습 데이터 삭제 방법 및 장치.
17-8817-53_____.
20241227.
KOREA, REPUBLIC OF
딥러닝과 자기조직화지도를 이용한 가상물리시스템에서의 이상치 탐지.
10-2022-0003261.
20231127.
KOREA, REPUBLIC OF
Honors / Awards
NASA-JPL Individual Spot Award 2012
NASA-JPL Team Bonus Award 2011
NASA Honor Award 2010
NASA Tech Brief Awards 2008, 2010, 2011, 2012
NASA Software Award 2008
Mary Gates Scholar, University of Washington, Seattle 2002
Conference Paper
(2026)
GAN or DM? In-depth Analysis and Evaluation of AI-generated Face Data for Generalizable Deepfake Detection.
ACM SIGAPP Symposium on Applied Computing.
ITALY
(2025)
RUAGO: Effective and Practical Retain-Free Unlearning via Adversarial Attack and OOD Generator.
Conference on Neural Information Processing Systems.
UNITED STATES
(2025)
Through the Lens: Benchmarking Deepfake Detectors Against Moiré-Induced Distortions.
Conference on Neural Information Processing Systems.
UNITED STATES
(2025)
Anomaly Detection for Advanced Driver Assistance System with NCDE-based Normalizing Flow.
ACM Conference on Information and Knowledge Management.
KOREA, REPUBLIC OF
(2025)
Beyond Masking: Landmark-based Representation Learning and Knowledge-Distillation for Audio-Visual Deepfake Detection.
ACM Conference on Information and Knowledge Management.
KOREA, REPUBLIC OF
(2025)
FakeChain: Exposing Shallow Cues in Multi-Step Deepfake Detection.
ACM Conference on Information and Knowledge Management.
KOREA, REPUBLIC OF
(2025)
MU-OT: Effective and Unified Machine Unlearning with Optimal Transport for Feature Realignment.
ACM Conference on Information and Knowledge Management.
KOREA, REPUBLIC OF
(2025)
Seeing Through the Blur: Unlocking Defocus Maps for Deepfake Detection.
ACM Conference on Information and Knowledge Management.
KOREA, REPUBLIC OF
(2025)
From Prediction to Explanation: Multimodal, Explainable, and Interactive Deepfake Detection Framework for Non-Expert Users.
ACM Multimedia Conference.
IRELAND
(2025)
PromptFlare: Prompt-Generalized Defense via Cross-Attention Decoy in Diffusion-Based Inpainting.
ACM Multimedia Conference.
IRELAND
(2025)
SpecXNet: A Dual-Domain Convolutional Network for Robust Deepfake Detection.
ACM Multimedia Conference.
IRELAND
(2025)
DIA: The Adversarial Exposure of Deterministic Inversion in Diffusion Models.
International Conference on Computer Vision.
UNITED STATES
(2025)
SpecGuard: Spectral Projection-based Advanced InvisibleWatermarking.
International Conference on Computer Vision.
UNITED STATES
(2025)
Translation of Text Embedding via Delta Vector to Suppress Strongly Entangled Content in Text-to-Image Diffusion Models.
International Conference on Computer Vision.
UNITED STATES
(2025)
HiDF: A Human-Indistinguishable Deepfake Dataset.
ACM SIGKDD Conference on Knowledge Discovery and Data Mining.
CANADA
(2025)
Gradient Alignment for Cross-Domain Face Anti-Spoofing.
Conference on Computer Vision and Pattern Recognition.
UNITED STATES
(2025)
Fairness and Robustness in Machine Unlearning.
International World Wide Web Conference.
AUSTRALIA
(2025)
Saliency-Aware Diffusion Reconstruction for Effective Invisible Watermark Removal.
International World Wide Web Conference.
AUSTRALIA
(2025)
Towards Safe Synthetic Image Generation On the Web: A Multimodal Robust NSFW Defense and Million Scale Dataset.
International World Wide Web Conference.
AUSTRALIA
(2025)
High-Fidelity Face Age Transformation via Hierarchical Encoding and Contrastive Learning.
ACM SIGAPP Symposium on Applied Computing.
ITALY
