3D Semantic Segmentation

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12 papers in the last four weeks, up 100% on the four weeks before. 0.1% of all new papers.

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  1. Post-Training Semantic Lifting for 3D Gaussian Splatting: Separating Detector, Lifting and Representation Error

    Oct 6, 2026Iván Verdugo Guerra, Ezequiel López Rubio, Jorge García González3D Gaussian Splatting3D Semantic Segmentation

    Department of Computer Languages and Computer Science University of Málaga

  2. PAGER: Partial-to-global Alignment via Geometric and Relational Distillation

    Oct 1, 2026Akira-Miranda Adeyomi Adeniran-Lowe, Binod Singh, Lars Arnold Dethlefsen +23D Semantic Segmentation3D Representation Learning

    Technical University of Denmark · Pioneer Center for Artificial Intelligence

  3. Lang3DSeg: Annotation-Free Open-Vocabulary 3D Segmentation with Point Transformers

    Oct 1, 2026Cigdem Kokenoz, Amir Salarpour, Alkim Domeke +5Open-Vocabulary 3D SegmentationTransformer

    Department of Automotive Engineering, Clemson University, Greenville, SC, USA. · School of Computing, Clemson University, Clemson, SC, USA.

  4. AxonSynth: Domain-Randomized Synthetic Data for Zero-Shot 3D Axon Segmentation in Light-Sheet Microscopy

    Sep 25, 2026Edward Gaibor, Kyriaki-Margarita Bintsi, Chiara Mauri +7Domain RandomizationSynthetic-to-Real Domain Adaptation

    Department of Computer Science, University of Massachusetts Boston, Boston, MA, USA · Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital and Harvard Medical School, Charlestown, MA, USA · Universidad San Sebastián, Chile +4

  5. SplatLabel: Pseudo-Labelling through 4D Gaussian Splatting

    Sep 24, 2026Nitya Nanvani, Andras Palffy, Holger Caesar3D Gaussian Splatting3D Semantic Segmentation

    Perciv AI, The Netherlands · Delft University of Technology, The Netherlands

  6. PePESeg3D: Perception Prior Enhances Multi-Scale Segmentation for 3D Gaussian Splatting

    Sep 23, 2026Sungjae Choi, Seunghee Koh, Junmo Kim3D Gaussian Splatting3D Reconstruction

    School of Electrical Engineering Korea Advanced Institute of Science and Technology (KAIST) Daejeon, South Korea

  7. Privacy-Preserving Semantic Segmentation from High-Resolution Depth and Ultra-Low-Resolution RGB

    Sep 23, 2026Xuying Huang, Swithinraj Moses Daniel, Sicong Pan +23D Point Cloud Segmentation3D Semantic Segmentation

    Fraunhofer Institute for Intelligent Analysis and Information Systems

  8. ArborSplat: Online Semantic Gaussian Splatting SLAM for Orchards

    Sep 22, 2026Alessandro Masini, Matteo Frosi, Mirko Usuelli +13DGS SLAM3D Semantic Segmentation

    Dipartimento di Elettronica, Informazione e Bioingegneria (DEIB), Politecnico di Milano, 20133 Milano, Italy

  9. Toward a foundation model for forest point clouds

    Sep 21, 2026Yuanwen Yue, Stefano Puliti, Damien Robert +73D Foundation ModelsPoint Cloud Classification

    ETH Zurich · University of Oxford · Norwegian Institute of Bioeconomy Research (NIBIO) +1

  10. Beyond Argmax: A Mechanistic Study of Semantic Retention in Frozen Foundation-Model Composition for Generalized Few-Shot 3D Segmentation

    Sep 14, 2026Silas Kwabla Gah, Ebenezer Owusu3D Foundation ModelsEnsemble Learning

    Department of Computer Science University of Ghana, Legon

  11. Geometry Without Coordinates: LiDAR Diffusion as a 3D Feature Bridge

    Sep 9, 2026Samed Doğan, Nico Leuze, Alfred Schöttl3D Semantic SegmentationTransfer Learning

    Department of Electrical Engineering and Information Technology Munich University of Applied Sciences Munich, Bavaria 80335

  12. GoDeep: Annotation-Free Open-Vocabulary 3D Scene Understanding via Language-Space Lifting

    Sep 8, 2026Thodoris Betsas, Anastasios Doulamis, Andreas GeorgopoulosOpen-Vocabulary 3D Segmentation3D Semantic Segmentation

    Laboratory of Photogrammetry, School of Rural, Surveying and Geoinformatics Engineering, NTUA, 15772 Athens, Greece

  13. Zero-Shot 3D Plant Organ Segmentation with SAM3 and Semantic NeRFs

    Sep 7, 2026Andreas Gilson, Laura Hennig, Peter PietrzykOpen-Vocabulary 3D Segmentation3D Semantic Segmentation

    Fraunhofer Institute for Integrated Circuits (IIS), Fürth, Germany · Otto-Friedrich-Universität Bamberg, Germany · Friedrich-Alexander-Universität Erlangen-Nürnberg, Germany

  14. Toward Robust LiDAR Semantic Segmentation for Real-World Deployment: Evaluation under Coarse Labels, Adverse Conditions, and Domain Shifts

    Sep 2, 2026Samir Abou Haidar, Alexandre Chariot, Mehdi Darouich +2Semantic Segmentation3D Semantic Segmentation

    Mines Paris, PSL University, Centre for Robotics (CAOR), 75006 Paris, France · Paris-Saclay University, CEA, List, F-91120, Palaiseau, France

  15. VCAR: Training-Free 3DGS Segmentation via View Completeness and Axis-Aware Boundary Refinement

    Aug 31, 2026Kun Cao, Di Wang, Haibin Zhu +43D Gaussian Splatting3D Semantic Segmentation

    Jinan University · Zhuhai, China

  16. CedarCypress3D: an annotated UAV-LiDAR dataset of individual trees in planted cedar and cypress forests

    Aug 31, 2026Katsuto Shimizu, Fumiaki Kitahara, Tomohiro Nishizono +8Instance Segmentation3D Semantic Segmentation

    Shikoku Research Center, Forestry and Forest Products Research Institute · 1Shikoku Research Center, Forestry and Forest Products Research Institute, 2-915 Asakuranishi, Kochi, Kochi 780-8077, Japan · Department of Forest Management, Forestry and Forest Products Research Institute +9

  17. Bootstrapping a 4D LiDAR Annotation Tool from Video Foundation Models

    Aug 26, 2026Jihun Kim, Hyun-Kurl Jang, Hyemin Yang +33D Semantic Segmentation

    KAIST, Visual Intelligence Lab · Chung-Ang University, FoVLab

  18. STAR: A Spatial-Topology Aware Routing Framework for Generalizable 3D Scene Understanding

    Aug 12, 2026Mingwei Xing, Xinliang Wang, Yifeng ShiSparse Mixture-of-ExpertsDomain Generalization

    KE Holdings Inc.

  19. LEGO: Leveled Language Gaussian Splatting

    Aug 10, 2026Yuning Peng, Haiping Wang, Yuan Liu +33D Gaussian SplattingVisual Spatial Reasoning

    Wuhan University · Hong Kong University of Science and Technology

  20. RayLift: Lifting Complementary Ray-Wise Evidence with 3D Geometry Priors for Semantic Scene Completion

    Aug 9, 2026Meng Wang, Hongxia Yu, Wenzhe He +43D Semantic Segmentation3D Scene Completion

    College of Computer Science and Electronic Engineering,Hunan University,Changsha,China

  21. Rethinking 3D Segmentation from Individual LiDAR Scans: Incidence-Aware Sampling on the SIP Benchmark

    Aug 7, 2026Seongyong Kim, Jingdao Chen, Yong Kwon Cho3D Point Cloud Segmentation3D Semantic Segmentation

    Graduate Student, School of Civil and Environmental Engineering, Georgia Institute of Technology, 790 Atlantic Dr., Atlanta GA · Assistant Professor, Department of Computer Science and Engineering, Mississippi State University, 665 George Perry St, Mississippi State, MS 39762 · Professor, School of Civil and Environmental Engineering, Georgia Institute of Technology, 790 Atlantic Dr., Atlanta, GA

  22. Vernata: Self-Supervised Learning of LiDAR Point Representations

    Aug 7, 2026Oliver Lemke, Alexander Liniger, Abel Gawel +1Self-Supervised LearningSelf-Supervised Pre-Training

    1Robotics and AI Institute · 2ETH Zurich

  23. Prior-SG: Task and Prior Driven Region Segmentation for Scene Graphs in Arbitrarily-Structured Environments

    Aug 6, 2026Giorgio Tonetti, Laurent Kneip, Abel Gawel +1Open-Vocabulary 3D SegmentationMarkov Random Fields

    RAI Institute · ETH Zurich

  24. Iterate or Widen? When Test-Time Refinement Helps LiDAR Scene Completion: A Controlled Study of Evidence Geometry, Training Coverage, and Compute

    Aug 6, 2026Shijie Hao, Weining Zhang3D Semantic Segmentation3D Scene Completion

    Phillips Exeter Academy · Cheung Kong Graduate School of Business

  25. CDSeg: A Renderable Gaussian Carrier for Image-to-3D Label Transfer

    Aug 6, 2026Wentao Sun, Yiping Chen, Zhengsen Xu +23D Point Cloud Segmentation3D Semantic Segmentation

    Department of Systems Design Engineering, University of Waterloo, N2L 3G1 Waterloo, Canada · School of Geospatial Engineering and Science, Sun Yat-sen University, 519082 Zhuhai, China · Department of Geomatics Engineering, University of Calgary, T2N 1N4 Calgary, Canada

  26. Loss Landscape Topology Reveals Why Simple Baselines are Competitive at 3D Point Cloud Segmentation Under Class Imbalance

    Jul 23, 2026Antonis Savva, Christos Kyrkou, Theocharis TheocharidesClass-Imbalanced Learning3D Semantic Segmentation

    KIOS Research and Innovation Center of Excellence, University of Cyprus, 1 Panepistimiou Avenue, 2109 Aglantzia, Nicosia · Department of Electrical and Computer Engineering, University of Cyprus, 1 Panepistimiou Avenue, 2109 Aglantzia, Nicosia

  27. CVKD-UDA: Cross-View Knowledge Distillation for 3D Unsupervised Domain Adaptive Segmentation

    Jul 11, 2026Zhimin Yuan, Ming Cheng, Shangshu Yu +43D Point Cloud SegmentationUnsupervised Domain Adaptation

    School of Artificial Intelligence, Nanyang Normal University, Nanyang 473061, China · Fujian Key Laboratory of Sensing and Computing for Smart Cities, School of Informatics, Xiamen University, Xiamen 361005, China · School of Computer Science and Engineering, Northeastern University, Shenyang 110819, China

  28. Self-Supervised Pretraining Improves Cross-Site and Cross-Scale Robustness of Point Cloud Leaf-Wood Segmentation

    Jul 8, 2026Heeju Mun, Tackang Yang, Yunsoo Nam +1Self-Supervised Pre-TrainingDomain Generalization

    Department of Landscape Architecture and Rural Systems Engineering, Seoul National University, Seoul, South Korea · Interdisciplinary Program in Landscape Architecture, Seoul National University, South Korea · Integrated Major in Smart City Global Convergence, Seoul National University, Seoul, Republic of Korea +1

  29. DeGenseGS: Geometrically and Semantically Decoupled Surgical Scene Understanding in 4D Gaussian Splatting

    Jul 6, 2026Yimo Wang, Bin Kang, Shuojue Yang +13D Gaussian SplattingDynamic Scene Reconstruction

    School of Automation, Southeast University, Nanjing 210096, China · Department of Biomedical Engineering, National University of Singapore, Singapore · School of Internet of Things, Nanjing University of Posts and Telecommunications, Nanjing, China

  30. SparseOcc++: Geometry-Aware Sparse Latent Representation for Semantic Occupancy Prediction

    Jul 6, 2026Pin Tang, Zhongdao Wang, Guoqing Wang +23D ReconstructionAutonomous Driving Perception

    MoE Key Lab of Artificial Intelligence, AI Institute, Shanghai Jiao Tong University, Shanghai 200240, China · Huawei Noah’s Ark Lab, China

  31. UnderOneFacade: Worldwide Facade Semantic Segmentation Benchmark Dataset

    Jul 2, 2026Yi Wang, Fan Wang, Prabin Gyawali +93D Point Cloud Segmentation3D Semantic Segmentation

    Technical University of Munich, Munich, Germany · University of Nottingham, Nottingham, UK · CV4DT, University of Cambridge, Cambridge, UK +1

  32. Depth-Only Open-Vocabulary 3D Semantic Segmentation For Privacy-Preserving Robotic Applications

    Jul 1, 2026Xuying Huang, Sicong Pan, Maren BennewitzTest-Time AdaptationOpen-Vocabulary 3D Segmentation

    Humanoid Robots Lab, University of Bonn, the Lamarr Institute for Machine Learning and Artificial Intelligence, and the Center for Robotics, Bonn, Germany

  33. No Adaptation Without Observation: Observability-Constrained Test-Time Prompt Tuning for LiDAR Semantic Segmentation

    Jun 29, 2026Linlian Jiang, Wentao Ju, Sadman Rakib Pinon +4Test-Time Adaptation3D Semantic Segmentation

    Concordia University · Mila – Quebec AI Institute · University of Toronto

  34. Heterogeneous and Adept Snapshot Distillation for 3D Semantic Segmentation

    Jun 24, 2026Xiaopei Wu, Yuenan Hou, Junkai Xu +7Cross-Modal Knowledge Distillation3D Semantic Segmentation

    1Shanghai AI Laboratory · 2Zhejiang University · Hangzhou Dianzi University

  35. Efficient Continuous Semantic Mapping based on Spatio-Temporal Awareness

    Jun 21, 2026My Le Pham, Dinh Trieu Duong, Xiem HoangVan +1Spatiotemporal Reasoning3D Semantic Segmentation

    University of Engineering and Technology, Vietnam National University, 10000, Hanoi, Vietnam. · School of Information Science, Japan Advanced Institute of Science and Technology, Nomi, 923-1211, Ishikawa, Japan.

  36. LOGOS: LiDAR-Only Gaussian Elevation Splatting for Unified Tiny Obstacle Segmentation

    Jun 19, 2026Nan Ming, Yeqiang Qian, Chunxiang Wang +13D Gaussian SplattingAutonomous Driving Perception

    School of Automation and Intelligent Sensing, Shanghai Jiao Tong University, Shanghai, 200240, China · Key Laboratory of System Control and Information Processing, Ministry of Education, Shanghai, 200240, China

  37. Viking Hill Dataset: A Lidar-Radar-Camera Dataset for Detection and Segmentation in Forest Scenes

    Jun 17, 2026Vladimír Kubelka, Oleksandr Kotlyar, Unal Artan +1Millimeter-Wave RadarmmWave Radar Sensing

    Örebro University, AASS research centre, Robot Navigation and Perception Lab, Örebro, Sweden

  38. SP-TransientBench: A Real-Captured Single Photon Perception Benchmark

    Jun 16, 2026Hongzhou Dong, Zili Zhang, Ziting Wen +12Benchmark DesignDepth Estimation

    Shanghai University, Shanghai, China · Southern University of Science and Technology, Shenzhen, China · The University of Sydney, Sydney, Australia

  39. NEST3D: A High-Resolution Multimodal Dataset of Sociable Weaver Tree Nests

    Jun 12, 2026Constanza A. Molina Catricheo, Simon Boeder, Ting-Jia Guo +63D Point Cloud Segmentation3D Semantic Segmentation

    Institute for Geoinformatics (ifgi), University of Münster, Germany · École Polytechnique Fédérale de Lausanne (EPFL), Switzerland · Max Planck Institute of Animal Behavior, Germany +3

  40. Pano3D: Unified 3D Reconstruction and Panoptic Segmentation

    Jun 12, 2026Victor Barberteguy, Ahmet Iscen, Mathilde Caron +3Panoptic Segmentation3D Semantic Segmentation

    Google DeepMind · LIGM, École des Ponts, IP Paris, Univ Gustave Eiffel, CNRS

  41. EPS3D: End-to-End Feed-Forward 3D Panoptic Segmentation

    Jun 8, 2026Runsong Zhu, Jiaxin Guo, Xiaoyang Guo +9Panoptic SegmentationOpen-Vocabulary 3D Segmentation

    The Chinese University of Hong Kong, HK SAR, China · Hong Kong Centre for Logistics Robotics, HK SAR, China · Horizon Robotics, China +2

  42. SegmentAnyTreeV2: Scaling Transformer-Based Tree Instance Segmentation Across Sensors, Platforms, and Forests

    Jun 6, 2026Maciej Wielgosz, Stefano Puliti, Rasmus AstrupTransformerInstance Segmentation

    Norwegian Institute of Bioeconomy Research (NIBIO), Høgskoleveien 7, 1433 Ås, Norway

  43. Geometric-Aware Hypergraph Reasoning for Novel Class Discovery in Point Cloud Segmentation

    Jun 5, 2026Zihao Zhang, Aming Wu, Yang Li +2Prototype-Based Classification3D Semantic Segmentation

    School of Artificial Intelligence, College of Intelligence and Computing, Tianjin University, China · School of Computer Science and Information Engineering, Hefei University of Technology, China · Department of Computer Science City St George’s, University of London, UK

  44. Exploring Easy Boosts for Lidar Semantic Scene Completion

    Jun 2, 2026Tetiana Martyniuk, Jonathan Seele, Alexandre Boulch +33D Semantic SegmentationPseudo-Labeling

    Inria, France · ETH Zurich, Switzerland · valeo.ai, France +1

  45. Towards Compact Autonomous Driving Perception with Balanced Learning and Multi-sensor Fusion

    Jun 2, 2026Oskar Natan, Jun MiuraDepth EstimationAutonomous Driving Perception

    Department of Computer Science and Engineering, Toyohashi University of Technology, Aichi 441-8580, Japan · Department of Computer Science and Electronics, Gadjah Mada University, Yogyakarta 55281, Indonesia

  46. ForestMamba: Sparse Mamba with Geometry-guided Queries for 3D Forest Point Cloud Segmentation

    Jun 1, 2026Trung Thanh Nguyen, Tuan-Anh Vu, Duc Viet Le +43D Point Cloud Segmentation3D Semantic Segmentation

    Nagoya University Nagoya, Aichi, Japan · RIKEN Seika, Kyoto, Japan · University of California, Los Angeles CA, USA +3

  47. Vanilla ViT for Automotive Point Cloud Semantic Segmentation

    May 29, 2026Gilles Puy, Nermin Samet, Alexandre Boulch +33D Point Cloud Segmentation3D ViTs

    1valeo.ai, Paris, France · 2LIGM, CNRS, Univ Gustave Eiffel, ENPC, IP Paris, France

  48. xModel-KD: Cross-modal Knowledge Distillation for 3D Scene Perception using LiDAR

    May 28, 2026Thenukan Pathmanathan, Kanchan Keisham, Thangarajah AkilanCross-Modal Knowledge Distillation3D Point Cloud Segmentation

    Dept. of Computer Science Lakehead University Thunder Bay, Canada · School of Computer Science Engg. & Info. Systems Vellore Institute of Technology Tamil Nadu, India · Dept. of Software Engg. Lakehead University Thunder Bay, Canada

  49. Joint 2D-3D Segmentation and Association in Street-level Imaging

    May 26, 2026Amir Melnikov, Masayuki Tanaka, Yusuke Monno +13D Semantic Segmentation3D Scene Understanding

    Institute of Science Tokyo, 2-12-1 Ookayama, Meguro-ku, Tokyo, Japan 152-8550

  50. A Multimodal 3D Foundation Model for Light Sheet Fluorescence Microscopy Enables Few-Shot Segmentation, Classification, and Deblurring

    May 25, 2026Adina Scheinfeld, Haotan Zhang, Shang Mu +53D Semantic SegmentationMicroscopy Image Analysis

    Tri-Institutional Program in Computational Biology & Medicine, Weill Cornell Medicine, New York, NY, USA · Department of Radiology, Weill Cornell Medicine, New York, NY, USA · Helen and Robert Appel Alzheimers Disease Research Institute, Feil Family Brain and Mind Research Institute, Weill Cornell Medicine, New York, NY, USA +4

  51. GIBLy: Improving 3D Semantic Segmentation through an Architecture-Agnostic Lightweight Geometric Inductive Bias Layer

    May 22, 2026Diogo Lavado, Alessandra Micheletti, Clàudia Soares3D Semantic SegmentationGeometric Representation Learning

    NOVA School of Science and Technology, Portugal · Universit`a degli Studi di Milano, Italy

  52. 3D LULC classification using multispectral LiDAR and deep learning: current and prospective schemes

    May 21, 2026Narges Takhtkeshha, Aldino Rizaldy, Markus Hollaus +3Remote Sensing Image UnderstandingPoint Cloud Classification

    3D Optical Metrology (3DOM) Unit, Bruno Kessler Foundation (FBK), Trento, Italy · Department of Geodesy and Geoinformation, TU Wien, Vienna, Austria · Helmholtz-ZentrumDresden-Rossendorf (HZDR), Helmholtz Institute Freiberg for Resource Technology (HIF), Freiberg, Germany +2

  53. Invascal: Inverse-Vacuity Self-Calibration for Uncertainty-Aware LiDAR Range-View Semantic Segmentation

    May 20, 2026Kerim Turacan, Hannes Reichert, Andrei Bolandut +1Evidential Deep Learning3D Semantic Segmentation

    Faculty of Engineering and Computer Science, University of Applied Sciences Aschaffenburg, Aschaffenburg, Germany

  54. Best Segmentation Buddies for Image-Shape Correspondence

    May 18, 2026Itai Lang, Dongwei Lyu, Dale Decatur +13D Semantic SegmentationCross-Modal Feature Matching

    University of Chicago

  55. OPTNet: Ordering Point Transformer Network for Post-disaster 3D Semantic Segmentation

    May 16, 2026Nhut Le, Ehsan Karimi, Maryam RahnemoonfarDisaster Damage AssessmentTransformer

    Computer Science and Engineering, Lehigh University, Bethlehem PA 18015, US · Civil and Environmental Engineering, Lehigh University, Bethlehem PA 18015, US

  56. Collaborative Learning for Semi-Supervised LiDAR Semantic Segmentation

    May 16, 2026Bin Yang, Alexandru Paul Condurache3D Semantic SegmentationSemi-Supervised Learning

    Bosch Research, Robert Bosch GmbH, Stuttgart, Germany · Institute for Neuro- and Bioinformatics, University of Lübeck, Lübeck, Germany

  57. A Survey on Deep Learning Architectures for Point Cloud Classification and Segmentation

    May 16, 2026Minhas Kamal, Hiranya Garbha Kumar, Balakrishnan Prabhakaran3D Point Cloud Segmentation3D Part Segmentation

    State University of New York at Albany, USA

  58. VGGT-Occ: Geometry-Grounded and Density-Aware Gated Fusion for 3D Occupancy Prediction

    May 16, 2026Xun Chen, Tianchen Deng, Rui Wang +53D Semantic Segmentation3D Occupancy Prediction

    Nanyang Technological University · Shanghai Jiao Tong University · ETH Zurich

  59. Invaria: Learning Scale and Density Invariance in Point Clouds via Next-Resolution Prediction

    May 15, 2026Chun-Peng Chang, Shaoxiang Wang, Alain Pagani +2Point Cloud Learning3D Semantic Segmentation

    TU Delft · DFKI

  60. PointGS: Semantic-Consistent Unsupervised 3D Point Cloud Segmentation with 3D Gaussian Splatting

    May 12, 2026Yixiao Song, Qingyong Li, Wen Wang +13D Point Cloud Segmentation3D Semantic Segmentation

    Key Laboratory of Big Data & Artificial Intelligence in Transportation (Beijing Jiaotong University), Ministry of Education · Frontiers Science Center for Smart High-speed Railway System, Beijing Jiaotong University