Parseval proximal neural networks
The aim of this paper is twofold. First, we show that a certain concatenation of a proximity
operator with an affine operator is again a proximity operator on a suitable Hilbert space …
operator with an affine operator is again a proximity operator on a suitable Hilbert space …
MOCCA: A Fast Algorithm for Parallel MRI Reconstruction Using Model Based Coil Calibration
G Plonka, Y Riebe - arxiv preprint arxiv:2403.12611, 2024 - arxiv.org
We propose a new fast algorithm for simultaneous recovery of the coil sensitivities and the
magnetization image from incomplete Fourier measurements in parallel MRI. Our approach …
magnetization image from incomplete Fourier measurements in parallel MRI. Our approach …
Frame Soft Shrinkage as Proximity Operator
Let $\mathcal H $ and $\mathcal K $ be real Hilbert spaces and $ T\in\mathcal {B}(\mathcal
H,\mathcal K) $ an injective operator with closed range and Moore-Penrose inverse …
H,\mathcal K) $ an injective operator with closed range and Moore-Penrose inverse …