Open-Vocabulary Object Detection

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6 papers in the last four weeks, up 50% on the four weeks before. 0.1% of all new papers.

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FlowOVD: Learning Generative Latent Flows for Zero-shot Open-vocabulary Detection
May 30, 2026Yao Wei, Andrea Cavallaro, Changjae OhOpen-Vocabulary Object Detection Vision-Language Alignment
1Queen Mary University of London · 2EPFL
LV-OSD: Language-Vision-Complementary Open-Set Object Detection
May 27, 2026Yupeng Zhang, Ruize Han, Wei Feng +2Open-Vocabulary Object Detection Object Detection
College of Intelligence and Computing, Tianjin University, Tianjin 300350, China · Faculty of Computer Science and Artificial Intelligence, Shenzhen University of Advanced Technology, Shenzhen 518107, Guangdong, China
COVD: Continual Open-Vocabulary Object Detection with Novel Concept Injection
May 26, 2026Yupeng Zhang, Ruize Han, Yuzhong Feng +3Open-Vocabulary Object Detection VLM Adaptation
Tianjin University. · Shenzhen University of Advanced Technology.
DisDop: Distillation with Domain Priors for Open-Vocabulary Aerial Object Detection
May 23, 2026Ruihao Xu, Yong Liu, Yansong Tang +6Open-Vocabulary Object Detection Knowledge Distillation
1Tsinghua Shenzhen International Graduate School, Tsinghua University · 2Tsinghua University
DualMem: Bypassing the Objectness Bottleneck for Calibrated Unknown-Stream Filtering in Open-World Object Detection
May 22, 2026Yingjun Xiao, Xi Chen, Gang Fang +1Open-Vocabulary Object Detection Open-Set Recognition
a · School of Artificial Intelligence, Guangzhou University, Guangzhou, China · b +3
SLIP-RS: Structured-Attribute Language-Image Pre-Training for Remote Sensing Object Detection
May 22, 2026Chenxu Wang, Yuxuan Li, Yunheng Li +3Open-Vocabulary Object Detection Remote Sensing Image Understanding
1VCIP, CS, Nankai University · 2NKIARI, Shenzhen Futian · 3National University of Defense Technology
DSAA: Dual-Stage Attribute Activation for Fine-grained Open Vocabulary Detection
May 18, 2026Donghong Jiang, Endian Lin, Hanqing Liu +4Open-Vocabulary Object Detection Fine-Grained Visual Perception
Beijing University of Posts and Telecommunications · Beijing E-Hualu Information Technology Co., Ltd. · State Key Laboratory of General Artificial Intelligence, BIGAI, Beijing, China
DetRefiner: Model-Agnostic Detection Refinement with Feature Fusion Transformer
May 11, 2026Soichiro Okazaki, Tatsuya Sasaki, Hiroki OhashiOpen-Vocabulary Object Detection Object Detection
Hitachi, Ltd. Research and Development Group, Japan
Thermal-Det: Language-Guided Cross-Modal Distillation for Open-Vocabulary Thermal Object Detection
May 11, 2026Yasiru Ranasinghe, Elim Schenck, Florence Yellin +3Open-Vocabulary Object Detection Cross-Modal Knowledge Distillation
Johns Hopkins University · Kitware · DEVCOM Army Research Laboratory
Reward-Guided Semantic Evolution for Test-time Adaptive Object Detection
May 6, 2026Lihua Zhou, Mao Ye, Xiatian Zhu +7Open-Vocabulary Object Detection Test-Time Adaptation
Centre for Artificial Intelligence and Robotics, Hong Kong Institute of Science and Innovation, Chinese Academy of Sciences, Hong Kong, China · School of Computer Science and Engineering, University of Electronic Science and Technology of China, Chengdu 611731, China · Surrey Institute for People-Centred Artificial Intelligence, CVSSP, University of Surrey, Guildford, UK +3
The Detector Teaches Itself: Lightweight Self-Supervised Adaptation for Open-Vocabulary Object Detection
May 5, 2026Yazhe Wan, Changjae OhOpen-Vocabulary Object Detection VLM Adaptation
Queen Mary University of London · Queen Mary University of London, London, UK
VL-SAM-v3: Memory-Guided Visual Priors for Open-World Object Detection
May 5, 2026Chih-Chung Liu, Zhiwei Lin, Yongtao WangOpen-Vocabulary Object Detection Object Detection
Wangxuan Institute of Computer Technology, Peking University, China
FACTOR: Counterfactual Training-Free Test-Time Adaptation for Open-Vocabulary Object Detection
May 5, 2026Kaixiang Zhao, Mao Ye, Lihua Zhou +4Open-Vocabulary Object Detection Distribution Shift Robustness
School of Computer Science and Engineering, University of Electronic Science and Technology of China, Chengdu, China · Institute of Machine Intelligence (IMI), University of Shanghai for Science and Technology, Shanghai, China · Surrey Institute for People-Centred Artificial Intelligence, CVSSP, University of Surrey, Guildford, UK.
CropVLM: A Domain-Adapted Vision-Language Model for Open-Set Crop Analysis
May 5, 2026Abderrahmene Boudiaf, Sajd JavedOpen-Vocabulary Object Detection Agricultural Image Analysis
Department of Electrical Engineering and Computer Science, Khalifa University of Science and Technology, Abu Dhabi, United Arab Emirates
Training-Free Tunnel Defect Inspection and Engineering Interpretation via Visual Recalibration and Entity Reconstruction
Apr 30, 2026Shipeng Liu, Liang Zhao, Dengfeng Chen +1Open-Vocabulary Object Detection Promptable Image Segmentation
Xi’an University of Architecture and Technology, School of mechanical and electrical engineering, Xi’an, 710055, Shaanxi, China · Xi’an University of Architecture and Technology, School of Information and Control Engineering, Xi’an, 710055, Shaanxi, China · Xi’an University of Architecture and Technology, School of Civil Engineering, Xi’an, 710055, Shaanxi, China
Exploring Hierarchical Consistency and Unbiased Objectness for Open-Vocabulary Object Detection
Apr 25, 2026Sanghoon Lee, Geon Lee, Hyekang Park +1Open-Vocabulary Object Detection Probability Calibration
Yonsei University · Korea Institute of Science and Technology (KIST)
HMR-Net: Hierarchical Modular Routing for Cross-Domain Object Detection in Aerial Images
Apr 20, 2026Pourya Shamsolmoali, Masoumeh Zareapoor, Michael Felsberg +3Open-Vocabulary Object Detection Adaptive Model Routing
Department of Computer Science, University of York, UK · SEIEE, Shanghai Jiao Tong University, China · Computer Vision Laboratory, Linkoping University, Sweden +2
Prompt Sensitivity in Vision-Language Grounding: How Small Changes in Wording Affect Object Detection
Apr 18, 2026Dawar Jyoti Deka, Amit Sethi, Syed Mohammad AliOpen-Vocabulary Object Detection VLM Robustness
Department of Aerospace Engineering, Indian Institute of Technology Bombay, Mumbai, India · Department of Electrical Engineering, Indian Institute of Technology Bombay, Mumbai, India
DETR-ViP: Detection Transformer with Robust Discriminative Visual Prompts
Apr 16, 2026Bo Qian, Dahu Shi, Xing WeiOpen-Vocabulary Object Detection Detection Transformer
School of Software Engineering, Xi’an Jiaotong University · State Key Laboratory of Human-Machine Hybrid Augmented Intelligence, Xi’an Jiaotong University · Work done during the internship at Hikrobot Co., Ltd. +2
A novel Framework for Open-Vocabulary Multi-Object Recognition using CLIP
Mar 6, 2026Wei Yu Chen, Ying DaiOpen-Vocabulary Object Detection Vision-Language Alignment
Faculty of Software and Information Science Iwate Prefectural University Takizawa, Japan
MSPL: Multi-Step Pseudo-Labeling for Open-Vocabulary Object Detection
Oct 16, 2025Hojun Choi, Youngsun Lim, Jaeyo Shin +1Open-Vocabulary Object Detection Visual Reasoning
KAIST AI, South Korea · Boston University, USA
VLOD-TTA: Test-Time Adaptation of Vision-Language Object Detectors
Oct 1, 2025Atif Belal, Heitor R. Medeiros, Marco Pedersoli +1Open-Vocabulary Object Detection VLM Robustness
LIVIA, ILLS, Dept. of Systems Engineering, ETS Montréal, Canada
Talk in Pieces, See in Whole: Disentangled and Hierarchical Representation Learning in Language-based Object Detection
Sep 29, 2025Sojung An, Kwanyong Park, Yong Jae Lee +1Open-Vocabulary Object Detection Disentangled Representation Learning
Korea University · University of Seoul · University of Wisconsin-Madison
Fine-Grained Open-Vocabulary Object Detection with Fined-Grained Prompts: Task, Dataset and Benchmark
Mar 19, 2025Ying Liu, Yijing Hua, Haojiang Chai +2Open-Vocabulary Object Detection Object Detection
department of software engineering, Northeastern University, China. · His work was done in Articul8 AI.

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FlowOVD: Learning Generative Latent Flows for Zero-shot Open-vocabulary Detection

Yao Wei, Andrea Cavallaro, Changjae Oh

1Queen Mary University of London · 2EPFL

Open-Vocabulary Object Detection Vision-Language Alignment

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Open-vocabulary object detection (OVD) has achieved remarkable progress through large-scale vision-language pre-training. Existing methods, however, typically formulate OVD as a discriminative prediction problem, where decoder queries are either static or initialized from encoder features, thus limiting their diversity and flexibility. In this paper, we introduce a generative perspective by modeling decoder query generation as a continuous transport process in latent space. We propose FlowOVD, a text-conditioned query generation framework based on rectified flow that progressively transforms text-agnostic queries into text-guided queries. By introducing continuous latent query dynamics into a vision-language model (VLM) based detector, our method avoids heuristic discrete query construction and enables more expressive semantic alignment for open-vocabulary detection. Without requiring additional training data, FlowOVD achieves 49.5 AP on COCO and 31.5 AP on LVIS, outperforming GroundingDINO by +1.2 AP (+2.5 %) and +4.1 AP (+15.0 %), respectively. The larger gain on the challenging long-tailed LVIS benchmark further highlights the effectiveness of continuous query generation for open-vocabulary generalization.

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Latest papers 54