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

S Agnihotri, J Grabinski, M Keuper - European Conference on Computer …, 2025 - 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 …

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 Stability during Upsampling--on the Importance of Spatial Context

S Agnihotri, J Grabinski, M Keuper - arXiv preprint arXiv:2311.17524, 2023 - arxiv.org
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 …

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 …

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 …