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Research

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Recent Highlights

Rectified Point Flow: Generic Point Cloud Pose Estimation
Tao Sun*, Liyuan Zhu*, Shengyu Huang, Shuran Song, Iro Armeni
arxiv preprint
[arXiv] [Project Page] [Code]

ReSpace: Text-Driven 3D Scene Synthesisand Editing with Preference Alignment
Martin JJ. Bucher, Iro Armeni
arxiv preprint
[pdf] [webpage] [code] [video]

ReStyle3D: Scene-level Appearance Transfer with Semantic Correspondences
Liyuan Zhu, Shengqu Cai, Shengyu Huang, Gordon Wetzstein, Naji Khosravan, Iro Armeni
SIGGRAPH 2025
[pdf] [website] [code

Publications

* denotes equal contribution/supervision

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Rectified Point Flow: Generic Point Cloud Pose Estimation
Tao Sun*, Liyuan Zhu*, Shengyu Huang, Shuran Song, Iro Armeni
arxiv preprint
[arXiv] [Project Page] [Code]

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ReSpace: Text-Driven 3D Scene Synthesisand Editing with Preference Alignment
Martin JJ. Bucher, Iro Armeni
arxiv preprint
[pdf] [webpage] [code] [video]

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ReStyle3D: Scene-level Appearance Transfer with Semantic Correspondences
Liyuan Zhu, Shengqu Cai*, Shengyu Huang*, Gordon Wetzstein, Naji Khosravan, Iro Armeni
ACM SIGGRAPH 2025
[arxiv] [website][video][code

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WildGS-SLAM: Monocular Gaussian Splatting SLAM in Dynamic Environments
Jianhao Zheng*, Zihan Zhu*, Valentin Bieri, Marc Pollefeys, Songyou Peng, Iro Armeni
Computer Vision and Pattern Recognition (CVPR) 2025
[arXiv] [Project Page] [Video] [Code]

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CrossOver: Scene Cross-Modal Alignment
Sayan Deb Sarkar, Ondrej Miksik, Marc Pollefeys, Dániel Béla Baráth, Iro Armeni
Computer Vision and Pattern Recognition (CVPR) 2025 [Highlight]
[pdf] [website] [code] [Video

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LoopSplat: Loop Closure by Registering 3D Gaussian Splats
Liyuan Zhu, Yue Li, Erik Sandström, Shengyu Huang, Konrad Schindler, Iro Armeni
International Conference on 3D Vision (3DV) 2025 [Oral, 6% acceptance rate]
[pdf] [website] [code

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Multi-Hexplanes: A Lightweight Map Representation for Rendering and 3D Reconstruction
Jianhao Zheng, Gabor Valasek, Daniel Barath, and Iro Armeni
Winter Conference on Applications of Computer Vision (WACV) 2025 [Oral]

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MAP-ADAPT: Real-Time Quality-Adaptive Semantic 3D Maps
Jianhao Zheng, Daniel Barath, Marc Pollefeys, Iro Armeni
European Conference on Computer Vision (ECCV) 2024
[pdf] [website] [code] [video]

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"Where am I?" Scene Retrieval with Language
Jiaqi Chen, Daniel Barath, Iro Armeni, Marc Pollefeys, Hermann Blum
European Conference on Computer Vision (ECCV) 2024
[pdf] [website]

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I-Design: Personalized LLM Interior Designer
Ata Çelen, Guo Han, Konrad Schindler, Luc Van Gool, Iro Armeni*, Anton Obukhov*, Xi Wang*
CV4Metaverse, Workshop in European Conference on Computer Vision (ECCV) 2024
[pdf] [webpage] [code] [video]

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Volumetric Semantically Consistent 3D Panoptic Mapping
Yang Miao, Iro Armeni, Marc Pollefeys, Daniel Barath
International Conference on Intelligent Robots and Systems (IROS) 2024 [Oral]
[pdf]

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Nothing Stands Still: A Spatiotemporal Benchmark on 3D Point Cloud Registration Under Large Geometric and Temporal Change
Tao Sun, Yan Hao, Shengyu Huang, Silvio Savarese, Konrad Schindler, Marc Pollefeys, Iro Armeni
ISPRS Journal of Photogrammetry and Remote Sensing, 2025
[pdf] [website] [challenge]

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Living Scenes: Multi-object Relocalization and Reconstruction in Changing 3D Environments
Liyuan Zhu, Shengyu Huang, Konrad Schindler, Iro Armeni
Computer Vision and Pattern Recognition (CVPR) 2024 [Highlight, 5% acceptance rate]
[pdf] [webpage] [code] [video]

Multiway Point Cloud Mosaicking with Diffusion and Global Optimization
Shengze Jin, Iro Armeni, Marc Pollefeys, Daniel Barath
Computer Vision and Pattern Recognition (CVPR) 2024
[pdf] [video] [code]

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Semantically Guided Feature Matching for Visual SLAM
Oguzhan Ilter, Iro Armeni, Marc Pollefeys, Daniel Barath
International Conference on Robotics and Automation (ICRA) 2024
[code]

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Q-REG: End-to-End Trainable Point Cloud Registration with Surface Curvature
Shengze Jin, Daniel Barath, Marc Pollefeys, Iro Armeni
International Conference on 3D Vision (3DV) 2024
[pdf]

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SGAligner : 3D Scene Alignment with Scene Graphs
Sayan Deb Sarkar, Ondrej Miksik, Marc Pollefeys, Daniel Barath, Iro Armeni
International Conference on Computer Vision (ICCV) 2023
[pdf]   [website]   [code]   [benchmark]

Books & Chapters

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Artificial Intelligence for Predicting Reuse Patterns
Iro Armeni, Deepika Raghu, Catherine De Wolf
in "A Circular Built Environment in the Digital Age"
Eds. Catherine De Wolf, Sultan Çetin, Nancy Bocken
Springer Nature
[link]

Datasets