2 papers
eess.IV2025
SPIRiT Regularization: Parallel MRI with a Combination of Sensitivity Encoding and Linear Predictability
Nicholas Dwork, Alex McManus, Stephen Becker +1
Accelerated Magnetic Resonance Imaging (MRI) permits high quality images from fewer samples that can be collected with a faster scan. Two established methods for accelerating MRI i…
math.OC2025
A Relaxed Primal-Dual Hybrid Gradient Method with Line Search
Alex McManus, Stephen Becker, Nicholas Dwork
The primal-dual hybrid gradient method (PDHG) is useful for optimization problems that commonly appear in image reconstruction. A downside of PDHG is that there are typically three…