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LiOn-XA: Unsupervised Domain Adaptation via LiDAR-Only Cross-Modal Adversarial Training
| dc.contributor.author | Kreutz, Thomas | |
| dc.contributor.author | Lemke, Jens | |
| dc.contributor.author | Mühlhäuser, Max | |
| dc.contributor.author | Sanchez Guinea, Alejandro | |
| dc.date.accessioned | 2024-08-30T15:05:57Z | |
| dc.date.available | 2024-08-30T15:05:57Z | |
| dc.date.issued | 2024 | |
| dc.identifier.uri | https://tudatalib.ulb.tu-darmstadt.de/handle/tudatalib/4327 | |
| dc.description | In this paper, we propose LiOn-XA, an unsupervised domain adaptation (UDA) approach that combines LiDAR-Only Cross-Modal (X) learning with Adversarial training for 3D LiDAR point cloud semantic segmentation to bridge the domain gap arising from environmental and sensor setup changes. Unlike existing works that exploit multiple data modalities like point clouds and RGB image data, we address UDA in scenarios where RGB images might not be available and show that two distinct LiDAR data representations can learn from each other for UDA. More specifically, we leverage 3D voxelized point clouds to preserve important geometric structure in combination with 2D projection-based range images that provide information such as object orientations or surfaces. To further align the feature space between both domains, we apply adversarial training using both features and predictions of both 2D and 3D neural networks. Our experiments on 3 real-to-real adaptation scenarios demonstrate the effectiveness of our approach, achieving new state-of-the-art performance when compared to previous uni- and multi-model UDA methods. Our source code is publicly available at https://github.com/JensLe97/lion-xa. | de_DE |
| dc.language.iso | en | de_DE |
| dc.rights | Open Data Commons Attribution License (ODC-By) v1.0 | |
| dc.rights.uri | https://opendatacommons.org/licenses/by/1.0/ | |
| dc.subject | Unsupervised Domain Adaptation | de_DE |
| dc.subject | LiDAR Semantic Segmentation | de_DE |
| dc.subject.classification | 409-05 Interaktive und intelligente Systeme, Bild- und Sprachverarbeitung, Computergraphik und Visualisierung | de_DE |
| dc.subject.ddc | 004 | |
| dc.title | LiOn-XA: Unsupervised Domain Adaptation via LiDAR-Only Cross-Modal Adversarial Training | de_DE |
| dc.type | Model | de_DE |
| tud.unit | TUDa |
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