ReLaGS: Relational Language Gaussian Splatting
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arXiv
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| Auteurs principaux: | , , , , , , , |
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| Format: | Preprint |
| Publié: |
2026
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| _version_ | 1866914405782913024 |
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| author | Xie, Yaxu Arafa, Abdalla Javanmardi, Alireza Millerdurai, Christen Hu, Jia Cheng Wang, Shaoxiang Pagani, Alain Stricker, Didier |
| author_facet | Xie, Yaxu Arafa, Abdalla Javanmardi, Alireza Millerdurai, Christen Hu, Jia Cheng Wang, Shaoxiang Pagani, Alain Stricker, Didier |
| contents | Achieving unified 3D perception and reasoning across tasks such as segmentation, retrieval, and relation understanding remains challenging, as existing methods are either object-centric or rely on costly training for inter-object reasoning. We present a novel framework that constructs a hierarchical language-distilled Gaussian scene and its 3D semantic scene graph without scene-specific training. A Gaussian pruning mechanism refines scene geometry, while a robust multi-view language alignment strategy aggregates noisy 2D features into accurate 3D object embeddings. On top of this hierarchy, we build an open-vocabulary 3D scene graph with Vision Language derived annotations and Graph Neural Network-based relational reasoning. Our approach enables efficient and scalable open-vocabulary 3D reasoning by jointly modeling hierarchical semantics and inter/intra-object relationships, validated across tasks including open-vocabulary segmentation, scene graph generation, and relation-guided retrieval. Project page: https://dfki-av.github.io/ReLaGS/ |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2603_17605 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | ReLaGS: Relational Language Gaussian Splatting Xie, Yaxu Arafa, Abdalla Javanmardi, Alireza Millerdurai, Christen Hu, Jia Cheng Wang, Shaoxiang Pagani, Alain Stricker, Didier Computer Vision and Pattern Recognition Achieving unified 3D perception and reasoning across tasks such as segmentation, retrieval, and relation understanding remains challenging, as existing methods are either object-centric or rely on costly training for inter-object reasoning. We present a novel framework that constructs a hierarchical language-distilled Gaussian scene and its 3D semantic scene graph without scene-specific training. A Gaussian pruning mechanism refines scene geometry, while a robust multi-view language alignment strategy aggregates noisy 2D features into accurate 3D object embeddings. On top of this hierarchy, we build an open-vocabulary 3D scene graph with Vision Language derived annotations and Graph Neural Network-based relational reasoning. Our approach enables efficient and scalable open-vocabulary 3D reasoning by jointly modeling hierarchical semantics and inter/intra-object relationships, validated across tasks including open-vocabulary segmentation, scene graph generation, and relation-guided retrieval. Project page: https://dfki-av.github.io/ReLaGS/ |
| title | ReLaGS: Relational Language Gaussian Splatting |
| topic | Computer Vision and Pattern Recognition |
| url | https://arxiv.org/abs/2603.17605 |