Jihyun Lee

Postdoctoral AI Research Scientist at Meta
jihyunlee@meta.com | jyunlee.github.io | Google Scholar | GitHub

Jihyun's research aims to enable artificial intelligence to visually understand and simulate human behavior, including interactions with the surrounding environment. Recently, she has been focusing on hand interaction reconstruction and generation.

Work Experience
Meta (Codec Avatars Lab) Sep 2025 – Present
Postdoctoral AI Research Scientist Pittsburgh, United States
Meta (Codec Avatars Lab) Jun 2024 – Nov 2024
Research Scientist Intern Pittsburgh, United States
Education
KAIST Sep 2020 – Aug 2025
Integrated Master's & Ph.D. in Computer Science Daejeon, South Korea
Handong Global University Mar 2017 – Aug 2020
Bachelor of Science in Computer Science Pohang, South Korea
  • Top rank in CS & EE Department (GPA: 4.45 / 4.5) · Early Graduation
Publications
International Conferences & Journals
[C1]
Large-Scale Codec Avatars Team, Meta, "Large-Scale Codec Avatars: The Unreasonable Effectiveness of Large-Scale Avatar Pretraining"CVPR 2026
[C2]
C. Lee, J. Lee, T-K. Kim, "MPMAvatar: Learning 3D Gaussian Avatars with Accurate and Robust Physics-Based Dynamics"NeurIPS 2025
[C3]
Y. Min*, D. Choi*, K. Yeo, J. Lee, M. Sung, "ORIGEN: Zero-Shot 3D Orientation Grounding in Text-to-Image Generation"NeurIPS 2025
[C4]
T. Ohkawa, J. Lee, S. Saito, J. Saragih, F. Prada, Y. Xu, S. Yu, R. Furuta, Y. Sato, T. Shiratori, "Generative Modeling of Shape-Dependent Self-Contact Human Poses"ICCV 2025
[C5]
N. Suzuki, T. Ohkawa, T. Banno, J. Lee, R. Furuta, Y. Sato, "Affordance-Guided Diffusion Prior for 3D Hand Reconstruction"ICCVW 2025
[C6]
J. Lee, W. Xu, A. Richard, S. Wei, S. Saito, S. Bai, T. Wang, M. Sung, T-K. Kim, J. Saragih, "REWIND: Real-Time Egocentric Whole-Body Motion Diffusion with Exemplar-Based Identity Conditioning"CVPR 2025
[C7]
W. Cho, J. Lee, M. Yi, M. Kim, T. Woo, D. Kim, T. Ha, H. Lee, J. Ryu, W. Woo, T-K. Kim, "Dense Hand-Object(HO) GraspNet with Full Grasping Taxonomy and Dynamics"ECCV 2024
[C8]
J. Lee, S. Saito, G. Nam, M. Sung, T-K. Kim, "InterHandGen: Two-Hand Interaction Generation via Cascaded Reverse Diffusion"CVPR 2024
[C9]
J. Lee, J. Jang, D. Kim, M. Sung, T-K. Kim, "FourierHandFlow: Neural 4D Hand Representation Using Fourier Query Flow"NeurIPS 2023
[C10]
J. Lee, M. Sung, H. Choi, T-K. Kim, "Im2Hands: Learning Attentive Implicit Representation of Interacting Two-Hand Shapes"CVPR 2023
[C11]
H. Park*, J. Lee*, Y. Seo, T. Min, J. Yun, J. Kim, T-K. Kim, "Contrastive Knowledge Distillation for Anomaly Detection in Multi-Illumination/Focus Display Images"MVA 2023 (oral)
[C12]
J. Lee*, M. Sung*, H. Kim, T-K. Kim, "Pop-Out Motion: 3D-Aware Image Deformation via Learning Shape Laplacian"CVPR 2022
[C13]
J. Lee, B. Bhattarai, T-K. Kim, "Face Parsing from RGB and Depth Using Cross-Domain Mutual Learning"CVPRW 2021 (oral)
[C14]
M. Kang, J. Lee, S. Kim, I. Kim, "Fast DCTTS: Efficient Deep Convolutional Text-to-Speech"ICASSP 2021
Domestic Conferences (in Korean)
[C15]
D. Kim, H. Kim, J. Lee, J. Park, H. Kim, "Elimination of Grid Lines in the Object Boundary Area of X-ray Images"KCC 2019
[C16]
J. Lee, J. Park, J. Seo, H. Kim, "A Dynamically Segmented DCT Technique for Grid Artifact Suppression in X-ray Images"KIPS 2018
[C17]
J. Jung, J. Park, J. Lee, G. Jung, H. Kim, "A Blocking Effect Reduction Technique for the Grid Line Suppression Method using DCT"KSC 2018
Domestic Journal (in Korean)
[J1]
H. Kim, J. Jung, J. Lee, J. Park, J. Seo, H. Kim, "A Dynamically Segmented DCT Technique for Grid Artifact Suppression in X-ray Images"KTSDE 2019
Patent
[P1]
M. Kang, S. Kim, S. Kim, J. Lee, I. Kim, "Method for Lightweight Speech Synthesis of End-to-End DCTTS"KR Patent
Awards & Honors
Outstanding Reviewer, ECCV 2024 Outstanding TA Award, KAIST 2022 Mayor's Award ($3,000), Korea Software Convergence Hackathon 2019 Honorable Mention Award, Undergraduate Paper Competition, KSC 2019 Honorable Mention Award, Undergraduate Paper Competition, KCC 2019 Silver Prize, Undergraduate Paper Competition, KIPS 2018
Academic Activities
Reviewer
Computer Vision: CVPR, ICCV, ECCV, IJCV, etc. Machine Learning: ICLR, NeurIPS, ICML, AAAI Computer Graphics: SIGGRAPH, PG
Invited Talk
HANDS Workshop at ICCV 2025
Student Organizer
Google exploreCSR Workshops at KAIST 2022–2023
Teaching Experience
Artificial Intelligence and Machine Learning (CS570), KAIST 2021–2023 Machine Learning for Computer Vision (CS492), KAIST 2021–2022 Operating System (ECE30021), Handong Global University 2020 C++ Programming (ECE20018), Handong Global University 2019 Data Structure (ECE20010), Handong Global University 2018