Transferring Styles for Reduced Texture Bias and Improved Robustness in Semantic Segmentation Networks

Fuente: arXiv
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Auteurs principaux: Hamscher, Ben, Heinert, Edgar, Mütze, Annika, Maag, Kira, Rottmann, Matthias
Format: Preprint
Publié: 2025
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author Hamscher, Ben
Heinert, Edgar
Mütze, Annika
Maag, Kira
Rottmann, Matthias
author_facet Hamscher, Ben
Heinert, Edgar
Mütze, Annika
Maag, Kira
Rottmann, Matthias
contents Recent research has investigated the shape and texture biases of deep neural networks (DNNs) in image classification which influence their generalization capabilities and robustness. It has been shown that, in comparison to regular DNN training, training with stylized images reduces texture biases in image classification and improves robustness with respect to image corruptions. In an effort to advance this line of research, we examine whether style transfer can likewise deliver these two effects in semantic segmentation. To this end, we perform style transfer with style varying across artificial image areas. Those random areas are formed by a chosen number of Voronoi cells. The resulting style-transferred data is then used to train semantic segmentation DNNs with the objective of reducing their dependence on texture cues while enhancing their reliance on shape-based features. In our experiments, it turns out that in semantic segmentation, style transfer augmentation reduces texture bias and strongly increases robustness with respect to common image corruptions as well as adversarial attacks. These observations hold for convolutional neural networks and transformer architectures on the Cityscapes dataset as well as on PASCAL Context, showing the generality of the proposed method.
format Preprint
id arxiv_https___arxiv_org_abs_2507_10239
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Transferring Styles for Reduced Texture Bias and Improved Robustness in Semantic Segmentation Networks
Hamscher, Ben
Heinert, Edgar
Mütze, Annika
Maag, Kira
Rottmann, Matthias
Computer Vision and Pattern Recognition
Recent research has investigated the shape and texture biases of deep neural networks (DNNs) in image classification which influence their generalization capabilities and robustness. It has been shown that, in comparison to regular DNN training, training with stylized images reduces texture biases in image classification and improves robustness with respect to image corruptions. In an effort to advance this line of research, we examine whether style transfer can likewise deliver these two effects in semantic segmentation. To this end, we perform style transfer with style varying across artificial image areas. Those random areas are formed by a chosen number of Voronoi cells. The resulting style-transferred data is then used to train semantic segmentation DNNs with the objective of reducing their dependence on texture cues while enhancing their reliance on shape-based features. In our experiments, it turns out that in semantic segmentation, style transfer augmentation reduces texture bias and strongly increases robustness with respect to common image corruptions as well as adversarial attacks. These observations hold for convolutional neural networks and transformer architectures on the Cityscapes dataset as well as on PASCAL Context, showing the generality of the proposed method.
title Transferring Styles for Reduced Texture Bias and Improved Robustness in Semantic Segmentation Networks
topic Computer Vision and Pattern Recognition
url https://arxiv.org/abs/2507.10239