Complex Network for Complex Problems: A comparative study of CNN and Complex-valued CNN

S Chatterjee, P Tummala, O Speck… - 2022 IEEE 5th …, 2022 - ieeexplore.ieee.org
Neural networks, especially convolutional neural networks (CNN), are one of the most
common tools these days used in computer vision. Most of these networks work with real …

Complex-valued deep learning with differential privacy

A Ziller, D Usynin, M Knolle, K Hammernik… - arXiv preprint arXiv …, 2021 - arxiv.org
We present $\zeta $-DP, an extension of differential privacy (DP) to complex-valued
functions. After introducing the complex Gaussian mechanism, whose properties we …

Fourier PD and PDUNet: Complex-valued networks to speed-up MR Thermometry during Hypterthermia

R Khatun, S Chatterjee, C Bert, M Wadepohl… - arXiv preprint arXiv …, 2023 - arxiv.org
Hyperthermia (HT) in combination with radio-and/or chemotherapy has become an accepted
cancer treatment for distinct solid tumour entities. In HT, tumour tissue is exogenously …

Novel Complex AUTOMAP for Accelerated MRI

P Jain, P Bv, N Sinha - Proceedings of the Thirteenth Indian Conference …, 2022 - dl.acm.org
Accelerated MR imaging refers to diagnostic-quality image reconstruction using
undersampled MR sensor data (k-space). This involves acquiring fewer samples than …

An end-to-end Complex-valued Neural Network approach for k-space interpolation in Parallel MRI

P Jain, N Sinha, G Srinivasaraghavan - Medical Imaging with Deep …, 2023 - openreview.net
Parallel MRI techniques in the k-space, like GRAPPA are widely used in accelerated MRI.
Recently neural-network approaches have shown improved performance over linear …

Investigating complex-valued neural networks applied to phase-cycled bSSFP for multi-parametric quantitative tissue characterization

F Birk, J Steiglechner, K Scheffler… - Joint Annual Meeting …, 2022 - pure.mpg.de
The bSSFP sequence is highly sensitive to relaxation parameters, tissue microstructure, and
off-resonance frequencies, which has recently been shown to enable multi-parametric tissue …