activity
20222026
most citedZero-shot Medical Image Translation via Frequency-Guided Diffusion Models

96 citations · 122 across the 12 of their papers we have counts for

collaborators

15 papers

physics.med-ph2026

Spatiotemporal Gaussian representation-based dynamic reconstruction and motion estimation framework for time-resolved volumetric MR imaging (DREME-GSMR)

Jiacheng Xie, Hua-Chieh Shao, Can Wu +7

Time-resolved volumetric MR imaging that reconstructs a 3D MRI within sub-seconds to resolve deformable motion is essential for motion-adaptive radiotherapy. Representing patient a…

cs.CV2025

TSMS-SAM2: Multi-scale Temporal Sampling Augmentation and Memory-Splitting Pruning for Promptable Video Object Segmentation and Tracking in Surgical Scenarios

Guoping Xu, Hua-Chieh Shao, You Zhang

Promptable video object segmentation and tracking (VOST) has seen significant advances with the emergence of foundation models like Segment Anything Model 2 (SAM2); however, their…

cs.CV2025

Segment Anything for Video: A Comprehensive Review of Video Object Segmentation and Tracking from Past to Future

Guoping Xu, Jayaram K. Udupa, Yajun Yu +4

Video Object Segmentation and Tracking (VOST) presents a complex yet critical challenge in computer vision, requiring robust integration of segmentation and tracking across tempora…

physics.med-ph2025

Prior-Adapted Progressive Time-Resolved CBCT Reconstruction Using a Dynamic Reconstruction and Motion Estimation Method

Ruizhi Zuo, Hua-Chieh Shao, You Zhang

Cone-beam CT (CBCT) provides on-board volumetric anatomy for image guidance and treatment adaptation in radiotherapy. To compensate for respiration-induced anatomical motion, time-…

physics.med-ph2025

Time-resolved dynamic CBCT reconstruction using prior-model-free spatiotemporal Gaussian representation (PMF-STGR)

Jiacheng Xie, Hua-Chieh Shao, You Zhang

Time-resolved CBCT imaging, which reconstructs a dynamic sequence of CBCTs reflecting intra-scan motion (one CBCT per x-ray projection without phase sorting or binning), is highly…

physics.med-ph2025

A dynamic reconstruction and motion estimation framework for cardiorespiratory motion-resolved real-time volumetric MR imaging (DREME-MR)

Hua-Chieh Shao, Xiaoxue Qian, Guoping Xu +4

Based on a 3D pre-treatment magnetic resonance (MR) scan, we developed DREME-MR to jointly reconstruct the reference patient anatomy and a data-driven, patient-specific cardiorespi…

physics.med-ph2025★ 2 cited

A Conditional Point Cloud Diffusion Model for Deformable Liver Motion Tracking Via a Single Arbitrarily-Angled X-ray Projection

Jiacheng Xie, Hua-Chieh Shao, Yunxiang Li +4

Deformable liver motion tracking using a single X-ray projection enables real-time motion monitoring and treatment intervention. We introduce a conditional point cloud diffusion mo…

cs.CV2024

A SAM-guided and Match-based Semi-Supervised Segmentation Framework for Medical Imaging

Guoping Xu, Xiaoxue Qian, Hua Chieh Shao +3

This study introduces SAMatch, a SAM-guided Match-based framework for semi-supervised medical image segmentation, aimed at improving pseudo label quality in data-scarce scenarios.…

physics.med-ph2024

Real-time CBCT Imaging and Motion Tracking via a Single Arbitrarily-angled X-ray Projection by a Joint Dynamic Reconstruction and Motion Estimation (DREME) Framework

Hua-Chieh Shao, Tielige Mengke, Tinsu Pan +1

Real-time cone-beam computed tomography (CBCT) provides instantaneous visualization of patient anatomy for image guidance, motion tracking, and online treatment adaptation in radio…

physics.med-ph2024

Prior Frequency Guided Diffusion Model for Limited Angle (LA)-CBCT Reconstruction

Jiacheng Xie, Hua-Chieh Shao, Yunxiang Li +1

Cone-beam computed tomography (CBCT) is widely used in image-guided radiotherapy. Reconstructing CBCTs from limited-angle acquisitions (LA-CBCT) is highly desired for improved imag…

physics.med-ph2023

Dynamic CBCT Imaging using Prior Model-Free Spatiotemporal Implicit Neural Representation (PMF-STINR)

Hua-Chieh Shao, Mengke Tielige, Tinsu Pan +1

Dynamic cone-beam computed tomography (CBCT) can capture high-spatial-resolution, time-varying images for motion monitoring, patient setup, and adaptive planning of radiotherapy. H…

eess.IV2023★ 2 cited

FDDM: Unsupervised Medical Image Translation with a Frequency-Decoupled Diffusion Model

Yunxiang Li, Hua-Chieh Shao, Xiaoxue Qian +1

Diffusion models have demonstrated significant potential in producing high-quality images in medical image translation to aid disease diagnosis, localization, and treatment. Nevert…

physics.med-ph2023

3D cine-magnetic resonance imaging using spatial and temporal implicit neural representation learning (STINR-MR)

Hua-Chieh Shao, Tielige Mengke, Jie Deng +1

The reconstruction of 3D cine-MRI is challenged by highly undersampled k-space data in each cine frame, due to the slow speed of MR signal acquisition. We proposed a machine learni…

eess.IV2023★ 96 cited

Zero-shot Medical Image Translation via Frequency-Guided Diffusion Models

Yunxiang Li, Hua-Chieh Shao, Xiao Liang +5

Recently, the diffusion model has emerged as a superior generative model that can produce high quality and realistic images. However, for medical image translation, the existing di…

physics.med-ph2022★ 22 cited

Dynamic Cone-beam CT Reconstruction using Spatial and Temporal Implicit Neural Representation Learning (STINR)

You Zhang, Tielige Mengke

Objective: Dynamic cone-beam CT (CBCT) imaging is highly desired in image-guided radiation therapy to provide volumetric images with high spatial and temporal resolutions to enable…