Open-Vocabulary Action Recognition

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7 papers in the last four weeks, up 133% on the four weeks before. 0.1% of all new papers.

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  1. HuC-VideoMAE: Human-Centric Video Masked Autoencoding from synthetic data

    Oct 6, 2026Ricardo Pizarro, Roberto Valle, José M. Buenaposada +2Open-Vocabulary Action Recognition

    Universidad de Alcal´a, Alcal´a de Henares, Spain · Universidad Polit´ecnica de Madrid, Madrid, Spain · Universidad Rey Juan Carlos, M´ostoles, Spain

  2. Beyond Binary Preferences: Graded Preference Optimization for Limb-Motion Captioning

    Sep 29, 2026Yanan Wang, Tingsong Li, Kaixun Jiang +3Video CaptioningOpen-Vocabulary Action Recognition

    Zhejiang University · Alibaba Token Hub, Alibaba Group · University of Science and Technology of China +2

  3. RoboChrono: A Real Robot Benchmark for Streaming Task Understanding

    Sep 29, 2026Yuzhou Wu, Longteng Fan, Zimeng Li +22Robotic ManipulationRobot Systems

    Tianji Tec. · Shenzhen University · General Intelligence Machine +7

  4. Functional Hand Type Prior for 3D Hand Pose Estimation and Action Recognition from Egocentric View Monocular Videos

    Sep 28, 2026Wonseok Roh, Seung Hyun Lee, Won Jeong Ryoo +53D HandOpen-Vocabulary Action Recognition

    Department of Artificial Intelligence, Korea University, Seoul, Republic of Korea · Electrical and Computer Engineering, Purdue University, West Lafayette, Indiana, USA

  5. When Visual Quality Misleads: Intent Recognition under Rendered Avatar Distortions

    Sep 23, 2026Ning-Hsuan Chang, Kai-Siang Ma, Yu-Chih ChenVisual FidelityOpen-Vocabulary Action Recognition

    National Chengchi University Taiwan · National Yang Ming Chiao Tung University Taiwan

  6. Can Vision-Language Models Judge Olympic Diving? From Reasoning to Scores in Zero-Shot Action Quality Assessment

    Sep 16, 2026Henry O. Velesaca, David Freire-Obregon, Luigi Miranda +1AthleticismOpen-Vocabulary Action Recognition

    ESPOL Polytechnic University, Campus Gustavo Galindo, Guayaquil, Ecuador · Software Engineering Department, Research Center for Information and Communication Technologies (CITIC-UGR), University of Granada, 18071, Granada, Spain · SIANI, Universidad de Las Palmas de Gran Canaria, Spain +1

  7. SoftRerank: Hierarchical Soft Fusion with Candidate-Label Reranking for Long-Tailed Micro-Action Recognition

    Sep 8, 2026Yichi Zhang, Zhichao Xia, Yanjun Chi +6Open-Vocabulary Action RecognitionFine-Grained Video Understanding

    University of Science and Technology of China · Unisound AI Technology Co., Ltd.

  8. A Black-Box Adversarial Attack on Human Pose Estimation and Keypoint-Based Action Recognition Models

    Sep 7, 2026Kacper Mroczek, Michal KepskiKeypoint DetectionOpen-Vocabulary Action Recognition

    University of Rzeszów, 35-959 Rzeszów, Poland

  9. Fine-Grained Action Recognition with Cross-Attentive Latent Sparse Experts

    Aug 13, 2026Imtiaz Ul Hassan, Tasweer Ahmad, Nik Bessis +1Open-Vocabulary Action RecognitionLatent Motion

    Computer Science Department, Edge Hill University, Ormskirk L39 4QP, United Kingdom

  10. Attention from Action, for Action: Emergent Visual Bottlenecks for Policy Learning

    Aug 13, 2026Zheyu Zhuang, Ruiyu Wang, Nick Heppert +4Visuomotor PolicyOpen-Vocabulary Action Recognition

    Department of Robotics, Perception and Learning, KTH Royal Institute of Technology, Sweden · Department of Computer Science, University of Freiburg, Germany · Department of Informatics, Universität Hamburg, Germany

  11. Compositional Benchmark Synthesis for Hierarchical Human Action Recognition

    Aug 11, 2026Farnaz Soleimani, Abdelghani Chibani, Yacine Amirat +1Fine-Grained ActionsOpen-Vocabulary Action Recognition

    LISSI

  12. CoDAT: Collaborative Dual-Attention Transformer with Low-Cost Temporal Modeling for Efficient Edge Action Recognition

    Aug 7, 2026Novendra Setyawan, Chi-Chia Sun, Mao-Hsiu Hsu +3Open-Vocabulary Action RecognitionEdge Devices

    Department of Electro-Optics, National Formosa University, Huwei 632301, Taiwan · Department of Electrical Engineering, University of Muhammadiyah Malang, Malang 65144, Indonesia · Department of Electronic and Computer Engineering, National Taiwan University of Science and Technology, Taipei 106335, Taiwan +1

  13. Robust and Efficient Motion Reasoning for Privacy-Aware Classroom Incident Recognition

    Aug 5, 2026Paritosh Parmar, Landy Lan, Hong Yang +2Open-Vocabulary Action RecognitionFast Inference

    Institute of High Performance Computing, Agency for Science, Technology and Research, Singapore

  14. Privacy-Preserving Action Recognition: Taxonomy, Methods, and Privacy-Utility Trade-offs

    Aug 5, 2026Sareer Ul Amin, Muhammad Ayaz, Muhammad Munsif +1Open-Vocabulary Action RecognitionPrivacy-Utility Trade-Offs

    Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea · College of Art and Technology, Chung-Ang University, Anseong, 17546, South Korea

  15. RSC-GestureNet: Reliability-Aware Selective Causal Recognition of Chinese Traffic Police Gestures

    Aug 3, 2026Cheng Li, Renjun Gao, Boyi FuTraffic Sign RecognitionHand Gesture Recognition

    Academy of Interdisciplinary Studies, The Hong Kong University of Science and Technology, Hong Kong SAR, China · Faculty of Innovation Engineering, Macau University of Science and Technology, Macao SAR, China

  16. RF-HOI: Recognize Human-Object Interaction with Radio Frequency Signals

    Jul 31, 2026Lihao Wang, Linlu Gao, Jiacan Yu +5Human Activity RecognitionMulti-Modal Sensing

    Johns Hopkins University, USA

  17. Knowledge-guided Disentanglement with Atomic Actions for Action Recognition

    Jul 28, 2026Tianci Wu, Siqi Cao, Guangming Zhu +6Open-Vocabulary Action RecognitionFine-Grained Video Understanding

    Xidian University Xi’an, China · National University of Defense Technology Changsha, China · Hunan Institute of Advanced Technology Changsha, China +1

  18. Test-Time Adaptation via Dual Distillation for Videos Under Severe Distribution Shifts

    Jul 27, 2026André Sacilotti, Samuel Felipe dos Santos, Jurandy AlmeidaTest-Time AdaptationOpen-Vocabulary Action Recognition

    University of São Paulo São Carlos, São Paulo, Brazil · Federal University of São Carlos Sorocaba, São Paulo, Brazil

  19. AUCH-Net: Action Unit-Based Consistency-Aware Hypergraph Network for Cross-Domain Few-Shot Facial Expression Recognition

    Jul 23, 2026Xinhan Qiu, Yan Yan, Rui Zhu +2Facial Expression RecognitionOpen-Vocabulary Action Recognition

    Key Laboratory of Multimedia Trusted Perception and Efficient Computing, Ministry of Education of China, School of Informatics, Xiamen University, Xiamen 361102, China · Fujian Key Laboratory of Pattern Recognition and Image Understanding, Xiamen University of Technology, Xiamen 361024, China · Bayes Business School, City St George’s, University of London, London, EC1Y 8TZ, UK +1

  20. MoAKE: Toward Unified All-in-One Action Quality Assessment via Mixture of Action Knowledge Experts

    Jul 22, 2026Huangbiao Xu, Huanqi Wu, Xiao Ke +3Open-Vocabulary Action RecognitionMixtures

    Fujian Provincial Key Laboratory of Networking Computing and Intelligent Information Processing, College of Computer and Data Science, Fuzhou University, Fuzhou 350108, China · Engineering Research Center of Big Data Intelligence, Ministry of Education, Fuzhou 350108, China · School of Intelligence Science and Technology, University of Science and Technology Beijing, Beijing 100083, China

  21. Classifying daily activities needs posture, reconstructing them needs motion

    Jul 14, 2026Arefeh Farahmandi, Gunnar BlohmLatent MotionOpen-Vocabulary Action Recognition

    Centre for Neuroscience Studies Queen’s University Kingson, Ontario, Canada

  22. Temporal Feature Distillation for Label-Efficient Precise Event Spotting in Sports Videos

    Jul 13, 2026Hao Xu, Xinyu Wei, Sam Wells +1Open-Vocabulary Action RecognitionDataset Distillation

    Deakin University Melbourne, Australia · Champion Data Melbourne, Australia · Paralympics Australia Melbourne, Australia

  23. Compositional Context Fine-Tuning Vision-Language Model for Complex Assembly Action Understanding from Videos

    Jul 12, 2026Hao Zheng, Jinyi Huang, Tiantian Zheng +2Diffusion-Based Vision-Language-ActionsOpen-Vocabulary Action Recognition

    Department of Computer Engineering, New York University Abu Dhabi, UAE · Department of Mechanical and Mechatronics Engineering, The University of Auckland, New Zealand · Center for Quantum and Topological Systems, New York University Abu Dhabi, UAE +1

  24. Do Egocentric Video-Language Models Capture Both Hand- and Object-Centric Cues?

    Jul 9, 2026Masatoshi Tateno, Alexandros Stergiou, Risa Shinoda +2Hand-Object Interaction DetectionEgocentric Video

    1The University of Tokyo · University of Twente · University of Bristol

  25. EgoPolice: A Benchmark for Egocentric Video Understanding in High-Stakes Police Body-Worn Camera Footage

    Jul 7, 2026Max Gonzalez Saez-Diez, Jihoon Chung, Adam D. Wolsky +5PolicingEgocentric Video

    Princeton University · University of Pennsylvania

  26. SteelBench: Evaluating Vision-Language Models in Real-World Industrial Environments

    Jul 6, 2026Suryanarayana Reddy Yarrabothula, Manisha Chawla, Kunal Sinha +5Open-Vocabulary Action RecognitionIndustrial

    Indian Institute of Technology Bhilai · Steel Authority of India Limited · VIT Vellore

  27. A Multi-Task Deep Learning Framework for Real-Time Intelligent Video Surveillance with Temporal Event Validation

    Jul 3, 2026Estera Dumitru, Stelian SpînuVideo SurveillanceOpen-Vocabulary Action Recognition

    Faculty of Information Systems and Cyber Security Military Technical Academy “Ferdinand I” Bucharest, Romania

  28. SkillSpotter: Pose-Aware Multi-View Skilled Action Detection and Grading in Ego-Exo Videos

    Jun 30, 2026Björn Braun, Christian HolzTemporal Action LocalizationOpen-Vocabulary Action Recognition

    Department of Computer Science, ETH Zürich, Switzerland

  29. Identifying the Unknown: Prompt-Free Open Vocabulary Anomaly Recognition for Robot-Object Interaction

    Jun 25, 2026Philipp Allgeuer, Jan-Gerrit Habekost, Stefan WermterOpen-VocabularyRobotic Perception

    Knowledge Technology, Dept. of Informatics, University of Hamburg, Germany

  30. KidRisk: Benchmark Dataset for Children Dangerous Action Recognition

    Jun 24, 2026Minh-Kha Nguyen, Trung-Hieu Do, Kim Anh Phung +3Open-Vocabulary Action RecognitionBenchmark Datasets

    University of Science, VNU-HCM, Vietnam · Vietnam National University, Ho Chi Minh City, Vietnam · PrimeLabs LLC, United States +1

  31. Modality-Aware Out-of-Distribution Detection for Multi-Modal Action Recognition

    Jun 23, 2026Lars Doorenbos, Duc Manh Vu, Serdar Ozsoy +1Out-Of-Distribution DetectionOpen-Vocabulary Action Recognition

    University of Bonn, Germany · Lamarr Institute for Machine Learning and Artificial Intelligence, Germany

  32. LUMINA-26: Low-Light Understanding for Modeling and Interpreting Night-time Actions

    Jun 22, 2026Aman Kumar Pandey, Anil Singh PariharLow-Light ImagesOpen-Vocabulary Action Recognition

    Department of Computer Science and Engineering, Delhi Technological University, Delhi, India · Department of Computer Science, Delhi College of Arts and Commerce, University of Delhi, Delhi, India

  33. Gen2Balance: Generative Balancing for Long-Tailed Video Action Recognition

    Jun 21, 2026Prajwal Gatti, Simon Jenni, Fabian Caba Heilbron +1Open-Vocabulary Action RecognitionBalance

    University of Bristol · 2Adobe Research

  34. Gold Points Sniper: Self-guided Visual Reasoning in VLM for Fine-grained Action Understanding

    Jun 21, 2026Haodi Liu, Xinhang Yang, Kunda Yan +3Fine-Grained ActionsOpen-Vocabulary Action Recognition

    Beijing National Research Center for Information Science and Technology (BNRist), Department of Automation, Tsinghua University, Beijing, P.R.China · State Key Laboratory of General Artificial Intelligence, Beijing Institute for General Artificial Intelligence (BIGAI).

  35. LEViL: Label-Efficient Video Learning via Zero-Shot Distillation over VLM-Generated Pseudo-Label Spaces

    Jun 19, 2026Aslı ÇelikOpen-Vocabulary Action RecognitionVision-Language Model Adaptation

    Department of Electronics and Communications Engineering Kocaeli University Kocaeli, Türkiye

  36. Robust Zero-Shot Generalization for Open-Vocabulary Action Recognition via Task Arithmetic

    Jun 17, 2026Francesca Morandi, Omayma Moussadek, Federico Venturini +5Open-Vocabulary Action RecognitionZero-Shot

    University of Modena and Reggio Emilia · University of Pisa · Eni S.p.A.

  37. Divide, Deliberate, Decide: A Multi-Agent Framework for Fine-Grained Egocentric Action Recognition

    Jun 16, 2026Alessandro Sottovia, Alessandro Torcinovich, Oswald LanzOpen-Vocabulary Action RecognitionEgocentric Video

    Faculty of Engineering, Free University of Bozen-Bolzano, Bolzano, Italy

  38. MamBOA: State-Space Architecture for Video Recognition

    Jun 13, 2026Mustafa Bora ÇelikOpen-Vocabulary Action RecognitionFine-Grained Video Understanding

    Ankara Medipol University, Ankara, 06050, Turkey

  39. OR-Action: Multi-Role Video Understanding with Fine-Grained Actions

    Jun 11, 2026Felix Tristram, Ege Özsoy, Christian Benz +3Open-Vocabulary Action RecognitionFine-Grained Actions

    Technical University of Munich, Germany · Munich Center for Machine Learning (MCML) · Carl Zeiss AG, Germany

  40. TrAction: Action Recognition with Sparse Trajectories

    Jun 2, 2026Jan F. Meier, Felix B. Mueller, Alexander Ecker +1Open-Vocabulary Action RecognitionSingle Trajectory

    Institute of Computer Science and Campus Institute Data Science, University Göttingen, Germany · Max Planck Institute for Dynamics and Self-Organization, Göttingen, Germany

  41. Remembering by Reconstructing: Domain Incremental Learning With Test-Time Training on Video Streams

    May 29, 2026Jonathan Swinnen, Tinne TuytelaarsClass-Incremental LearningStreaming Video

    ESAT, KU Leuven, Leuven, Belgium

  42. CLANE: Continual Learning of Actions on Neuromorphic Hardware from Event Cameras

    May 27, 2026Elvin Hajizada, Michael Neumeier, Edward Paxon Frady +4Neuromorphic ComputingOpen-Vocabulary Action Recognition

    Institute of Informatics, University of Munich (LMU), Munich, Germany · fortiss GmbH, Neuromorphic Computing, Munich, Germany · Technical University of Munich, TUM School of CIT, Munich, Germany +5

  43. UAV-OVO: Out-of-Viewpoint Generalization in UAV Action Recognition

    May 25, 2026Yu Xia, Zhengbo Zhang, Shuaihu Zhang +1Drone DetectionOpen-Vocabulary Action Recognition

    Wuhan University · Singapore University of Technology and Design

  44. EgoAction: Egocentric Action Composition with Reliability-Aware Temporal Fusion for the EPIC-KITCHENS Action Detection Challenge at CVPR 2026

    May 23, 2026Zhiheng Fu, Zixu Li, Zhiwei Chen +4Temporal Action LocalizationOpen-Vocabulary Action Recognition

    1Shandong University · 2Harbin Institute of Technology (Shenzhen)

  45. Cross-Modal Action Recognition in Egocentric Video Using Mamba: Integrating RGB and Hand Skeleton Streams via CLS Token Fusion Strategies

    May 23, 2026Juan Ignacio Bustos Gorostegui, Maria Elena BuemiOpen-Vocabulary Action Recognition3D Hand

    Univ. of Buenos Aires. Faculty of Exact and Natural Sciences. Dept. of Computer Science (DC). · CONICET-Univ. of Buenos Aires. Institute of Computer Sciences (ICC). Argentina.

  46. Spatio-Temporal Similarity Volume Aggregation for Open-Vocabulary Action Recognition

    May 22, 2026Yerim So, Jiyeong Kim, Jiwon Yoon +1Open-Vocabulary Action RecognitionFine-Grained Video Understanding

    Ewha Womans University, South Korea

  47. Cross-Domain Human Action Recognition from Multiview Motion and Textual Descriptions

    May 21, 2026Yannick Porto, Renato Martins, Thomas Chalumeau +1Open-Vocabulary Action RecognitionHuman Activity Recognition

    Université Bourgogne Europe, CNRS – France · TEB Group, Prynel SAS – France

  48. Seeing Through Fog: Towards Fog-Invariant Action Recognition

    May 20, 2026Enqi Liu, Liyuan Pan, Zhi Gao +2Open-Vocabulary Action RecognitionFog

    Beijing Institute of Technology, Beijing, China · Beijing Institute for General Artificial Intelligence, Beijing, China · Yangtze Delta Region Academy of Beijing Institute of Technology, Jiaxing, China

  49. Lens Privacy Sealing: A New Benchmark and Method for Physical Privacy-Preserving Action Recognition

    May 19, 2026Mengyuan Liu, Ziyi Wang, Peiming Li +1Video SurveillanceOpen-Vocabulary Action Recognition

    State Key Laboratory of General Artificial Intelligence, Peking University, Shenzhen Graduate School · Department of Computer Science and Engineering, State University of New York at Buffalo

  50. Return of Frustratingly Easy Unsupervised Video Domain Adaptation

    May 19, 2026Pengfei Wei, Yiqun Sun, Zhiqiang Xu +2Domain AdaptationOpen-Vocabulary Action Recognition

    1Magellan Technology Research Institute (MTRI), Japan · 2Mohamed bin Zayed University of Artificial Intelligence, UAE · 3Nanyang Technological University, Singapore.

  51. AI-Assisted Competency Assessment from Egocentric Video in Simulation-Based Nursing Education

    May 16, 2026Hanchen David Wang, Yilin Liu, Madison J. Lee +4CompetenceSimulated Patients

    Vanderbilt University

  52. STAR: Semantic-Temporal Adaptive Representation Learning for Few-Shot Action Recognition

    May 13, 2026Hongli Liu, Yu Wang, Shengjie ZhaoOpen-Vocabulary Action RecognitionPhotometric Supervision

    School of Computer Science and Technology, Tongji University, Shanghai, China · Engineering Research Center of Key Software Technologies for Smart City Perception and Planning, Ministry of Education

  53. Task-Oriented Communication for Human Action Understanding via Edge-Cloud Co-Inference

    May 8, 2026Jingyi Liu, Cheng Yuan, Lijun He +2Edge PlatformsOpen-Vocabulary Action Recognition

    Institute of Artificial Intelligence (TeleAI) of China Telecom, China · School of Information and Communications Engineering, Xi’an Jiaotong University, Xi’an, China · Department of Electronic and Computer Engineering, Hong Kong University of Science and Technology, Hong Kong

  54. CFE-PPAR: Compression-friendly encryption for privacy-preserving action recognition leveraging video transformers

    May 7, 2026Haiwei Lin, Shoko Imaizumi, Hitoshi KiyaOpen-Vocabulary Action RecognitionVideo Compression

    Graduate School of Informatics Chiba University Chiba, Japan · Faculty of System Design Tokyo Metropolitan University Tokyo, Japan

  55. ScriptHOI: Learning Scripted State Transitions for Open-Vocabulary Human-Object Interaction Detection

    May 6, 2026Minh Anh Nguyen, Quang Huy Tran, Bao Ngoc Le +3Articulated ObjectsOpen-Vocabulary

    Phenikaa University

  56. VideoNet: A Large-Scale Dataset for Domain-Specific Action Recognition

    May 4, 2026Tanush Yadav, Mohammadreza Salehi, Jae Sung Park +6Open-Vocabulary Action RecognitionVideo Understanding

    University of Washington · Stanford University · Allen Institute for AI

  57. CEZSAR: A Contrastive Embedding Method for Zero-Shot Action Recognition

    May 1, 2026Valter Estevam, Rayson Laroca, Helio Pedrini +1Open-Vocabulary Action RecognitionContrastive Learning

    Federal Institute of Paraná, Irati, Brasil · Federal University of Paraná, Curitiba, Brasil · Pontifical Catholic University of Paraná, Curitiba, Brasil +1

  58. High-Speed Vision Improves Zero-Shot Semantic Understanding of Human Actions

    May 1, 2026Yongpeng Cao, Yuji YamakawaOpen-Vocabulary Action RecognitionFine-Grained Video Understanding

    Institute of Industrial Science, The University of Tokyo, Japan · Interfaculty Initiative in Information Studies, Graduate School of Interdisciplinary Information Studies, The University of Tokyo, Japan

  59. SASI: Leveraging Sub-Action Semantics for Robust Early Action Recognition in Human-Robot Interaction

    Apr 30, 2026Yongpeng Cao, Masahiro Hirano, Hyuno Kim +1Open-Vocabulary Action RecognitionHuman-Robot Interaction

    Institute of Industrial Science, The University of Tokyo, Japan · Interfaculty Initiative in Information Studies, Graduate School of Interdisciplinary Information Studies, The University of Tokyo, Japan

  60. Student Classroom Behavior Recognition Based on Improved YOLOv8s

    Apr 30, 2026Xiang Gao, Shuai HangYolo26Open-Vocabulary Action Recognition

    School of Physics and Information Technology Shaanxi Normal University Xi’an, 710062, China