Publications

Tethered Predictive-Inertial Proposals with Objective Verification for Diffusion-Prior Inverse Problems

Minwoo Kim, Seunghyeok Shin, Dabin Kim, Hongki Lim

Advances in Neural Information Processing Systems (NeurIPS) · 2026

Geometry-correct diffusion posterior sampling with denoiser-pullback curvature guidance and manifold-aligned damping

Seunghyeok Shin, Minwoo Kim, Dabin Kim, Hongki Lim

International Conference on Machine Learning (ICML) · 2026

FAST‑DIPS: adjoint‑free analytic steps and hard‑constrained likelihood correction for diffusion‑prior inverse problems

Minwoo Kim, Seunghyeok Shin, Hongki Lim

International Conference on Learning Representations (ICLR) · 2026

SURE Guided Posterior Sampling: Trajectory Correction for Diffusion-Based Inverse Problems

Minwoo Kim, Hongki Lim

IEEE Access · 2026

Noise-aware adaptive diffusion sampling for accelerated knee MRI reconstruction

Dabin Kim, Hongki Lim

Physics in Medicine & Biology · 2026

CLARIFID: improving radiology report generation by reinforcing clinically accurate impressions and enforcing detailed findings

Kyeongkyu Lee, Seonghwan Yoon, Hongki Lim

Expert Systems with Applications · 2026

Adaptive 3D reconstruction via diffusion priors and forward curvature-matching likelihood updates

Seunghyeok Shin, Dabin Kim, Hongki Lim

Advances in Neural Information Processing Systems (NeurIPS) · 2025

Spotlight presentation [top 3.55%]

Direct conditional score modeling for accelerated MRI reconstruction

Hongki Lim

IEEE Access · 2024

Transformer-based integrated framework for joint reconstruction and segmentation in accelerated knee MRI

Hongki Lim

Electronics · 2023

SPECT reconstruction with a trained regularizer using CT-side information: application to ¹⁷⁷Lu SPECT imaging

Hongki Lim, Yuni K. Dewaraja, Jeffrey A. Fessler

IEEE Transactions on Computational Imaging · 2023

Momentum-Net: fast and convergent iterative neural network for inverse problems

Il Yong Chun, Zhengyu Huang, Hongki Lim, Jeffrey A. Fessler

IEEE Transactions on Pattern Analysis and Machine Intelligence · 2023

Joint low-count PET/CT segmentation and reconstruction with paired variational neural networks

Hongki Lim, Yuni K Dewaraja, Jeffrey A Fessler

Medical Imaging 2020: Physics of Medical Imaging · 2020

Improved low-count quantitative PET reconstruction with an iterative neural network

Hongki Lim, Il Yong Chun, Yuni K. Dewaraja, Jeffrey A. Fessler

IEEE Transactions on Medical Imaging · 2020

A deep neural network for fast and accurate scatter estimation in quantitative SPECT/CT under challenging scatter conditions

Haowei Xiang, Hongki Lim, Jeffrey A Fessler, Yuni K Dewaraja

European journal of nuclear medicine and molecular imaging · 2020

SPECT/CT scatter estimation using a deep convolutional neural network: implementation in Y-90 imaging

Haowei Xiang, Hongki Lim, Jeffrey A Fessler, Yuni K Dewaraja

2019 IEEE Nuclear Science Symposium and Medical Imaging Conference (NSS/MIC) · 2019

Application of trained Deep BCD-Net to iterative low-count PET image reconstruction

Hongki Lim, Zhengyu Huang, Jeffrey A Fessler, Yuni K Dewaraja, Il Yong Chun

2018 IEEE Nuclear Science Symposium and Medical Imaging Conference Proceedings (NSS/MIC) · 2018

On parameter selection for joint spectral reconstruction in Y90 SPECT

Se Young Chun, Hongki Lim, Jeffrey A Fessler, Yuni K Dewaraja

2018 IEEE Nuclear Science Symposium and Medical Imaging Conference Proceedings (NSS/MIC) · 2018

Fast and convergent iterative image recovery using trained convolutional neural networks

Il Yong Chun, Hongki Lim, Zhengyu Huang, Jeffrey A Fessler

2018 56th Annual Allerton Conference on Communication, Control, and Computing (Allerton) · 2018

A PET reconstruction formulation that enforces non-negativity in projection space for bias reduction in Y-90 imaging

Hongki Lim, Yuni K Dewaraja, Jeffrey A Fessler

Physics in Medicine & Biology · 2018

Y-90 SPECT ML image reconstruction with a new model for tissue-dependent bremsstrahlung production using CT information: a proof-of-concept study

Hongki Lim, Jeffrey A Fessler, Scott J Wilderman, Allen F Brooks, Yuni K Dewaraja

Physics in Medicine & Biology · 2018

Reducing bias in Y-90 PET images by enforcing non-negativity in projection space

Hongki Lim, Yuni K Dewaraja, Jeffrey A Fessler

2017 IEEE Nuclear Science Symposium and Medical Imaging Conference (NSS/MIC) · 2017