no code implementations • 26 May 2024 • Chong Chen, Yingmin Liu, Yu Ding, Matthew Tong, Preethi Chandrasekaran, Christopher Crabtree, Syed M. Arshad, Yuchi Han, Rizwan Ahmad
Results: For healthy volunteers, applying CR to RT-Cine images collected at rest did not significantly change the image quality score (p=1).
no code implementations • 27 Feb 2024 • Preethi Chandrasekaran, Chong Chen, Yingmin Liu, Syed Murtaza Arshad, Christopher Crabtree, Matthew Tong, Yuchi Han, Rizwan Ahmad
Conclusions: This study demonstrated the feasibility of RT ExCMR with inmagnet exercise in healthy subjects and patients.
no code implementations • 1 Dec 2023 • Muhammad A. Sultan, Chong Chen, Yingmin Liu, Xuan Lei, Rizwan Ahmad
In the second study, we use data from a realistic late gadolinium enhancement (LGE) phantom to compare DISCUS with compressed sensing (CS) and DIP, and to demonstrate the positive impact of group sparsity.
1 code implementation • 4 Aug 2023 • Syed M. Arshad, Lee C. Potter, Chong Chen, Yingmin Liu, Preethi Chandrasekaran, Christopher Crabtree, Matthew S. Tong, Orlando P. Simonetti, Yuchi Han, Rizwan Ahmad
For evaluation, CORe is first compared to traditional compressed sensing (CS), robust regression (RR), and an existing outlier rejection method using two simulation studies.
1 code implementation • 8 Jun 2022 • Mihir Joshi, Aaron Pruitt, Chong Chen, Yingmin Liu, Rizwan Ahmad
For an effective application of compressed sensing (CS), which exploits the underlying compressibility of an image, one of the requirements is that the undersampling artifact be incoherent (noise-like) in the sparsifying transform domain.
no code implementations • 31 Jan 2022 • Chong Chen, Yingmin Liu, Orlando P. Simonetti, Matthew Tong, Ning Jin, Mario Bacher, Peter Speier, Rizwan Ahmad
Purpose: We seek to evaluate the accuracy and reliability of the cardiac and respiratory signals extracted from PT in patients clinically referred for cardiovascular MRI with the image-derived signals as the reference.
no code implementations • 19 Apr 2020 • Aaron Pruitt, Adam Rich, Yingmin Liu, Ning Jin, Lee Potter, Matthew Tong, Saurabh Rajpal, Orlando Simonetti, Rizwan Ahmad
ReVEAL4D is validated using data from eight healthy volunteers and two patients and compared with a compressed sensing technique, L1-SENSE.
1 code implementation • 8 Feb 2020 • Chong Chen, Yingmin Liu, Orlando P. Simonetti, Rizwan Ahmad
A complete heartbeat from each slice is then used for cardiac function quantification.