Robustness and exploration of variational and machine learning approaches to inverse problems: An overview

A Auras, KV Gandikota, H Droege… - GAMM …, 2024 - Wiley Online Library
This paper provides an overview of current approaches for solving inverse problems in
imaging using variational methods and machine learning. A special focus lies on point …

Improving feature stability during upsampling–spectral artifacts and the importance of spatial context

S Agnihotri, J Grabinski, M Keuper - European Conference on Computer …, 2024 - Springer
Pixel-wise predictions are required in a wide variety of tasks such as image restoration,
image segmentation, or disparity estimation. Common models involve several stages of data …

Beware of Aliases--Signal Preservation is Crucial for Robust Image Restoration

S Agnihotri, J Grabinski, J Keuper, M Keuper - arxiv preprint arxiv …, 2024 - arxiv.org
Image restoration networks are usually comprised of an encoder and a decoder, responsible
for aggregating image content from noisy, distorted data and to restore clean, undistorted …

[PDF][PDF] Improving stability during upsampling–on the importance of spatial context

S Agnihotri, J Grabinski, M Keuper - arxiv preprint arxiv, 2023 - researchgate.net
State-of-the-art models for pixel-wise prediction tasks such as image restoration, image
segmentation, or disparity estimation, involve several stages of data resampling, in which …

How Do Training Methods Influence the Utilization of Vision Models?

P Gavrikov, S Agnihotri, M Keuper, J Keuper - arxiv preprint arxiv …, 2024 - arxiv.org
Not all learnable parameters (eg, weights) contribute equally to a neural network's decision
function. In fact, entire layers' parameters can sometimes be reset to random values with little …

FAIR-TAT: Improving Model Fairness Using Targeted Adversarial Training

T Medi, S Jung, M Keuper - arxiv preprint arxiv:2410.23142, 2024 - arxiv.org
Deep neural networks are susceptible to adversarial attacks and common corruptions, which
undermine their robustness. In order to enhance model resilience against such challenges …

Roll the dice: Monte Carlo Downsampling as a low-cost Adversarial Defence

S Agnihotri, S Priyadarshi, H Sommerhoff, J Grabinski… - openreview.net
The well-known vulnerability of Neural Networks to adversarial attacks is concerning, more
so with the increasing reliance on them for real-world applications like autonomous driving …