activity
20242026
most citedHallucination Index: An Image Quality Metric for Generative Reconstruction Models

2 citations · 2 across the 10 of their papers we have counts for

collaborators

11 papers

cs.CV2026

HandSplatter: Automated Digital Goniometry from Neural Rendering

Emmett Chen, Neal Chen, Xiang Li +2

Hand and finger disorders are leading contributors to musculoskeletal disability, creating a clinical need for precise methods to quantify joint motion. Range of motion (ROM) serve…

eess.IV2025

Surf2CT: Cascaded 3D Flow Matching Models for Torso 3D CT Synthesis from Skin Surface

Siyeop Yoon, Yujin Oh, Pengfei Jin +5

We present Surf2CT, a novel cascaded flow matching framework that synthesizes full 3D computed tomography (CT) volumes of the human torso from external surface scans and simple dem…

eess.IV2025

Cascaded 3D Diffusion Models for Whole-body 3D 18-F FDG PET/CT synthesis from Demographics

Siyeop Yoon, Sifan Song, Pengfei Jin +6

We propose a cascaded 3D diffusion model framework to synthesize high-fidelity 3D PET/CT volumes directly from demographic variables, addressing the growing need for realistic digi…

cs.CV2025

OWT: A Foundational Organ-Wise Tokenization Framework for Medical Imaging

Sifan Song, Siyeop Yoon, Pengfei Jin +10

Recent advances in representation learning often rely on holistic embeddings that entangle multiple semantic components, limiting interpretability and generalization. These issues…

cs.CV2025

MAST-Pro: Dynamic Mixture-of-Experts for Adaptive Segmentation of Pan-Tumors with Knowledge-Driven Prompts

Runqi Meng, Sifan Song, Pengfei Jin +9

Accurate tumor segmentation is crucial for cancer diagnosis and treatment. While foundation models have advanced general-purpose segmentation, existing methods still struggle with:…

cs.CV2025

Developing a PET/CT Foundation Model for Cross-Modal Anatomical and Functional Imaging

Yujin Oh, Robert Seifert, Yihan Cao +15

In oncology, Positron Emission Tomography-Computed Tomography (PET/CT) is widely used in cancer diagnosis, staging, and treatment monitoring, as it combines anatomical details from…

eess.IV2025

Distribution-aware Fairness Learning in Medical Image Segmentation From A Control-Theoretic Perspective

Yujin Oh, Pengfei Jin, Sangjoon Park +6

Ensuring fairness in medical image segmentation is critical due to biases in imbalanced clinical data acquisition caused by demographic attributes (e.g., age, sex, race) and clinic…

eess.IV2024

Volumetric Conditional Score-based Residual Diffusion Model for PET/MR Denoising

Siyeop Yoon, Rui Hu, Yuang Wang +6

PET imaging is a powerful modality offering quantitative assessments of molecular and physiological processes. The necessity for PET denoising arises from the intrinsic high noise…

cs.CV2024

High-Fidelity 3D Lung CT Synthesis in ARDS Swine Models Using Score-Based 3D Residual Diffusion Models

Siyeop Yoon, Yujin Oh, Xiang Li +3

Acute respiratory distress syndrome (ARDS) is a severe condition characterized by lung inflammation and respiratory failure, with a high mortality rate of approximately 40%. Tradit…

physics.med-ph2024★ 2 cited

Hallucination Index: An Image Quality Metric for Generative Reconstruction Models

Matthew Tivnan, Siyeop Yoon, Zhennong Chen +3

Generative image reconstruction algorithms such as measurement conditioned diffusion models are increasingly popular in the field of medical imaging. These powerful models can tran…

cs.LG2024

Contrastive Learning Via Equivariant Representation

Sifan Song, Jinfeng Wang, Qiaochu Zhao +6

Invariant Contrastive Learning (ICL) methods have achieved impressive performance across various domains. However, the absence of latent space representation for distortion (augmen…