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Open-vocabulary semantic segmentation (OVSS) in remote sensing images is a promising task that employs textual descriptions for identifying undefined land cover categories. Despite notable advances, existing methods typically employ a…

Computer Vision and Pattern Recognition · Computer Science 2026-04-30 Guanchun Wang , Chenxiao Wu , Xiangrong Zhang , Zelin Peng , Jianxun Lai , Tianyang Zhang , Xu Tang

Open-vocabulary object detection focusing on detecting novel categories guided by natural language. In this report, we propose Open-Vocabulary Light-Weighted Detection Transformer (OVLW-DETR), a deployment friendly open-vocabulary detector…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Yu Wang , Xiangbo Su , Qiang Chen , Xinyu Zhang , Teng Xi , Kun Yao , Errui Ding , Gang Zhang , Jingdong Wang

Visual Grounding (VG) aims to locate the most relevant region in an image, based on a flexible natural language query but not a pre-defined label, thus it can be a more useful technique than object detection in practice. Most…

Computer Vision and Pattern Recognition · Computer Science 2019-03-19 Chaorui Deng , Qi Wu , Guanghui Xu , Zhuliang Yu , Yanwu Xu , Kui Jia , Mingkui Tan

Remote sensing image plays an irreplaceable role in fields such as agriculture, water resources, military, and disaster relief. Pixel-level interpretation is a critical aspect of remote sensing image applications; however, a prevalent…

Computer Vision and Pattern Recognition · Computer Science 2024-11-05 Kaiyu Li , Ruixun Liu , Xiangyong Cao , Xueru Bai , Feng Zhou , Deyu Meng , Zhi Wang

Depth completion and object detection are two crucial tasks often used for aerial 3D mapping, path planning, and collision avoidance of Uncrewed Aerial Vehicles (UAVs). Common solutions include using measurements from a LiDAR sensor;…

Computer Vision and Pattern Recognition · Computer Science 2023-04-26 Sara Hatami Gazani , Fardad Dadboud , Miodrag Bolic , Iraj Mantegh , Homayoun Najjaran

3D Visual Grounding (3DVG) involves localizing target objects in 3D point clouds based on natural language. While prior work has made strides using textual descriptions, leveraging spoken language-known as Audio-based 3D Visual…

Machine Learning · Computer Science 2025-08-14 Duc Cao-Dinh , Khai Le-Duc , Anh Dao , Bach Phan Tat , Chris Ngo , Duy M. H. Nguyen , Nguyen X. Khanh , Thanh Nguyen-Tang

This paper addresses the problem of 3D referring expression comprehension (REC) in autonomous driving scenario, which aims to ground a natural language to the targeted region in LiDAR point clouds. Previous approaches for REC usually focus…

Computer Vision and Pattern Recognition · Computer Science 2023-05-26 Wenhao Cheng , Junbo Yin , Wei Li , Ruigang Yang , Jianbing Shen

In the current state of 3D object detection research, the severe scarcity of annotated 3D data, substantial disparities across different data modalities, and the absence of a unified architecture, have impeded the progress towards the goal…

Computer Vision and Pattern Recognition · Computer Science 2024-07-24 Zhenyu Wang , Yali Li , Taichi Liu , Hengshuang Zhao , Shengjin Wang

Vision-Language Models (VLMs) adapted to remote sensing rely heavily on domain-specific image-text supervision, yet high-quality annotations for satellite and aerial imagery remain scarce and expensive to produce. Prevailing pseudo-labeling…

Computer Vision and Pattern Recognition · Computer Science 2026-03-26 Stefan Maria Ailuro , Mario Markov , Mohammad Mahdi , Delyan Boychev , Luc Van Gool , Danda Pani Paudel

Vision-language modeling has enabled open-vocabulary tasks where predictions can be queried using any text prompt in a zero-shot manner. Existing open-vocabulary tasks focus on object classes, whereas research on object attributes is…

Computer Vision and Pattern Recognition · Computer Science 2023-03-10 María A. Bravo , Sudhanshu Mittal , Simon Ging , Thomas Brox

Few-Shot Remote Sensing Scene Classification (FS-RSSC) presents the challenge of classifying remote sensing images with limited labeled samples. Existing methods typically emphasize single-modal feature learning, neglecting the potential…

Computer Vision and Pattern Recognition · Computer Science 2025-03-20 Zhong Ji , Ci Liu , Jingren Liu , Chen Tang , Yanwei Pang , Xuelong Li

UAV-ground visual tracking (UGVT) aims to simultaneously track the same object from both the UAV and the ground view. However, existing two-stream methods suffer from isolated feature extraction and rely heavily on implicit appearance…

Computer Vision and Pattern Recognition · Computer Science 2026-05-07 Boyue Xu , Ruichao Hou , Tongwei Ren , Gangshan Wu

Open-vocabulary semantic segmentation (OVSS) involves assigning labels to each pixel in an image based on textual descriptions, leveraging world models like CLIP. However, they encounter significant challenges in cross-domain…

Computer Vision and Pattern Recognition · Computer Science 2025-06-05 Aniruddh Sikdar , Aditya Gandhamal , Suresh Sundaram

As the most fundamental scene understanding tasks, object detection and segmentation have made tremendous progress in deep learning era. Due to the expensive manual labeling cost, the annotated categories in existing datasets are often…

Computer Vision and Pattern Recognition · Computer Science 2024-04-16 Chaoyang Zhu , Long Chen

Open-Vocabulary Temporal Action Detection (OV-TAD) aims to classify and localize action segments in untrimmed videos for unseen categories. Previous methods rely solely on global alignment between label-level semantics and visual features,…

Computer Vision and Pattern Recognition · Computer Science 2026-03-26 Sa Zhu , Wanqian Zhang , Lin Wang , Xiaohua Chen , Chenxu Cui , Jinchao Zhang , Bo Li

Existing aerial Vision-Language Navigation (VLN) methods predominantly adopt a detection-and-planning pipeline, which converts open-vocabulary detections into discrete textual scene graphs. These approaches are plagued by inadequate spatial…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Haoyu Tong , Xiangyu Dong , Xiaoguang Ma , Haoran Zhao , Yaoming Zhou , Chenghao Lin

Open-set detection is crucial for robust UAV autonomy in air-to-air object detection under real-world conditions. Traditional closed-set detectors degrade significantly under domain shifts and flight data corruption, posing risks to…

Computer Vision and Pattern Recognition · Computer Science 2025-09-12 Spyridon Loukovitis , Anastasios Arsenos , Vasileios Karampinis , Athanasios Voulodimos

In autonomous driving and robotics, ensuring road safety and reliable decision-making critically depends on out-of-distribution (OOD) segmentation. While numerous methods have been proposed to detect anomalous objects on the road,…

Computer Vision and Pattern Recognition · Computer Science 2025-11-11 Seungheon Song , Jaekoo Lee

Progress in 3D vision-language learning has been hindered by the scarcity of large-scale 3D datasets. We introduce UniVLG, a unified architecture for 2D and 3D vision-language understanding that bridges the gap between existing 2D-centric…

Computer Vision and Pattern Recognition · Computer Science 2025-06-10 Ayush Jain , Alexander Swerdlow , Yuzhou Wang , Sergio Arnaud , Ada Martin , Alexander Sax , Franziska Meier , Katerina Fragkiadaki

Object detection in Unmanned Aerial Vehicle (UAV) images poses significant challenges due to complex scale variations and class imbalance among objects. Existing methods often address these challenges separately, overlooking the intricate…

Computer Vision and Pattern Recognition · Computer Science 2025-04-29 Zhenteng Li , Sheng Lian , Dengfeng Pan , Youlin Wang , Wei Liu