2 papers
math.OC2025
A Parallel-in-Time Multigrid Preconditioner for Optimal Control
Radoslav Vuchkov, Eric C. Cyr, Aurya Javeed +1
We develop a parallel-in-time multigrid preconditioner for augmented systems. These saddle-point systems are foundational to numerical optimization. Our preconditioner, when paired…
cs.CV2025
DDU-Net: A Domain Decomposition-Based CNN for High-Resolution Image Segmentation on Multiple GPUs
Corné Verburg, Alexander Heinlein, Eric C. Cyr
The segmentation of ultra-high resolution images poses challenges such as loss of spatial information or computational inefficiency. In this work, a novel approach that combines en…