A5101875092- Advanced Neuroimaging Techniques and Applications
- MRI in cancer diagnosis
- Advanced MRI Techniques and Applications
- Radiomics and Machine Learning in Medical Imaging
- Advanced Measurement and Detection Methods
- Flow Measurement and Analysis
- Water Systems and Optimization
- Hydraulic and Pneumatic Systems
- Infrared Target Detection Methodologies
- Optical Systems and Laser Technology
University of Hong Kong
2023
Hong Kong Polytechnic University
2023
Beijing University of Technology
2020
Motivation: 4D-DWI can benefit the treatment planning in radiotherapy (RT) because of its high tumor-to-tissue contrast. Both 4D-DW-PROPELLER-EPI and 4D-DW-SCOPER have been proposed but suffer from long acquisition time, thereby limiting clinical applicationsGoal(s): This study aims to develop a new technique achieve distortion-free with practical time. Approach: multiband (MB) techniques were combined, termed 4D-DW-MB-SCOPER. In vivo experiments performed. Results: Results indicate that...
To develop a distortion-free motion-resolved four-dimensional diffusion-weighted PROPELLER EPI (4D-DW-PROPELLER-EPI) technique for benefiting clinical abdominal radiotherapy (RT).An improved 4D-DWI based on 2D PROPELLER-EPI (2D-DW-PROPELLER-EPI), termed 4D-DW-PROPELLER-EPI, was proposed to improve the frame rate of repeated data acquisition and produce images. Since radial or sampling with golden-angle rotation can achieve an efficient k-space coverage flexible time-resolved acquisition,...
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Four-dimensional diffusion-weighted imaging (4D-DWI) attracts lots of attention in MRI-guided radiotherapy since it can provide functional information and better delineate the tumor. However, previously reported 4D-DW-Propeller-EPI technique used amplitude data binning with continuous interval to sort blade that might lead non-uniform distribution k-space sampling, therefore being suboptimal for subsequent Propeller-EPI reconstruction. Thus, we propose a new (K-B-optimized) method consider...