Research

CoPE-VideoLM: Codec Primitives For Efficient Video Language Models
Sayan Deb Sarkar, Rémi Pautrat, Ondrej Miksik, Marc Pollefeys, Iro Armeni, Mahdi Rad, Mihai Dusmanu
arxiv preprint
[pdf][website]

ReScene4D: Temporally Consistent Semantic Instance Segmentation of Evolving Indoor 3D Scenes
Emily Steiner, Jianhao Zheng, Henry Howard-Jenkins, Chris Xie, Iro Armeni
CVPR 2026
[pdf] [website]

WildPose: A Unified Framework for Robust Pose Estimation in the Wild
Jianhao Zheng, Liyuan Zhu, Zihan Zhu, Iro Armeni
CVPR 2026 (Coming soon)

GaussFusion: Improving 3D Reconstruction in the wild with Geometry-Informed Video Generators
Liyuan Zhu, Manjunath Narayana, Michal Stary, Will Hutchcroft, Gordon Wetzstein, Iro Armeni
CVPR 2026
[pdf] [website]

SGAligner++: Cross-Modal Language-Aided 3D Scene Graph Alignment
Binod Singh*, Sayan Deb Sarkar*, Iro Armeni
arxiv preprint
[pdf] [website] 

Register Any Point: Scaling 3D Point Cloud Registration by Flow Matching
Yue Pan, Tao Sun, Liyuan Zhu, Lucas Nunes, Iro Armeni, Jens Behley, Cyrill Stachniss
arxiv preprint
[pdf] [website] [code]

GuideFlow3D: Optimization-guided Rectified Flow for Appearance Transfer
Sayan Deb Sarkar, Sinisa Stekovic, Vincent Lepetit, Iro Armeni
NeurIPS 2025
[pdf][website][code]

Rectified Point Flow: Generic Point Cloud Pose Estimation
Tao Sun*, Liyuan Zhu*, Shengyu Huang, Shuran Song, Iro Armeni
NeurIPS 2025 [Spotlight]
[pdf] [website] [code]

Facade Segmentation for Solar Photovoltaic Suitability
Ayca Duran, Christoph Waibel, Bernd Bickel, Iro Armeni, Arno Schlueter
Tackling Climate Change with Machine Learning, Workshop in NeurIPS 2025
[pdf] [code]

HouseTour: A Virtual Real Estate A(I)gent
Ata Celen, Marc Pollefeys, Daniel Bela Barath, Iro Armeni
ICCV 2025
[pdf] [website] [code] [dataset]

ReSpace: Text-Driven 3D Scene Synthesis and Editing with Preference Alignment
Martin JJ. Bucher, Iro Armeni
arXiv preprint
[pdf] [website] [code] [video]

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

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
[pdf] [website] [code] [video]

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] 

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]
[pdf] [website] [code] 

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]
[pdf]

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]

"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] [code]

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] [website] [code] [video]

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]

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]

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]
[pdf] [webpage] [code] [video]

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

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]

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]

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]