Search Results for author: Kira Maag

Found 11 papers, 9 papers with code

Reducing Texture Bias of Deep Neural Networks via Edge Enhancing Diffusion

no code implementations14 Feb 2024 Edgar Heinert, Matthias Rottmann, Kira Maag, Karsten Kahl

While most of the previous works in the literature focus on the task of image classification, we go beyond this and study the texture bias of CNNs in semantic segmentation.

Adversarial Robustness Domain Generalization +3

Uncertainty-weighted Loss Functions for Improved Adversarial Attacks on Semantic Segmentation

1 code implementation26 Oct 2023 Kira Maag, Asja Fischer

State-of-the-art deep neural networks have been shown to be extremely powerful in a variety of perceptual tasks like semantic segmentation.

Image Segmentation Segmentation +1

Uncertainty-based Detection of Adversarial Attacks in Semantic Segmentation

1 code implementation22 May 2023 Kira Maag, Asja Fischer

State-of-the-art deep neural networks have proven to be highly powerful in a broad range of tasks, including semantic image segmentation.

Image Classification Image Segmentation +2

Pixel-wise Gradient Uncertainty for Convolutional Neural Networks applied to Out-of-Distribution Segmentation

1 code implementation13 Mar 2023 Kira Maag, Tobias Riedlinger

In recent years, deep neural networks have defined the state-of-the-art in semantic segmentation where their predictions are constrained to a predefined set of semantic classes.

Segmentation Semantic Segmentation

Two Video Data Sets for Tracking and Retrieval of Out of Distribution Objects

1 code implementation5 Oct 2022 Kira Maag, Robin Chan, Svenja Uhlemeyer, Kamil Kowol, Hanno Gottschalk

We present the SOS data set containing 20 video sequences of street scenes and more than 1000 labeled frames with up to two OOD objects.

Image Segmentation Retrieval +1

False Negative Reduction in Semantic Segmentation under Domain Shift using Depth Estimation

1 code implementation7 Jul 2022 Kira Maag, Matthias Rottmann

In this work, we enhance semantic segmentation predictions using monocular depth estimation to improve segmentation by reducing the occurrence of non-detected objects in presence of domain shift.

Monocular Depth Estimation Segmentation +1

False Negative Reduction in Video Instance Segmentation using Uncertainty Estimates

1 code implementation28 Jun 2021 Kira Maag

In our tests, we obtain an improved trade-off between false negative and false positive instances by our fused detection approach in comparison to the use of an ordinary score value provided by the instance segmentation network during inference.

Depth Estimation Instance Segmentation +5

Improving Video Instance Segmentation by Light-weight Temporal Uncertainty Estimates

1 code implementation14 Dec 2020 Kira Maag, Matthias Rottmann, Serin Varghese, Fabian Hueger, Peter Schlicht, Hanno Gottschalk

In this paper, we present a time-dynamic approach to model uncertainties of instance segmentation networks and apply this to the detection of false positives as well as the estimation of prediction quality.

Instance Segmentation object-detection +4

Detection of Iterative Adversarial Attacks via Counter Attack

no code implementations23 Sep 2020 Matthias Rottmann, Kira Maag, Mathis Peyron, Natasa Krejic, Hanno Gottschalk

In this work we outline a mathematical proof that the CW attack can be used as a detector itself.

Time-Dynamic Estimates of the Reliability of Deep Semantic Segmentation Networks

1 code implementation12 Nov 2019 Kira Maag, Matthias Rottmann, Hanno Gottschalk

In the semantic segmentation of street scenes with neural networks, the reliability of predictions is of highest interest.

General Classification Semantic Segmentation +2

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