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Open-vocabulary detection (OVD) is a new object detection paradigm, aiming to localize and recognize unseen objects defined by an unbounded vocabulary. This is challenging since traditional detectors can only learn from pre-defined…

Computer Vision and Pattern Recognition · Computer Science 2023-09-04 Jincheng Li , Chunyu Xie , Xiaoyu Wu , Bin Wang , Dawei Leng

Recent open-vocabulary 3D scene understanding approaches mainly focus on training 3D networks through contrastive learning with point-text pairs or by distilling 2D features into 3D models via point-pixel alignment. While these methods show…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Xingyilang Yin , Jiale Wang , Xi Yang , Mutian Xu , Xu Gu , Nannan Wang

In this paper, we investigate Open-Vocabulary 3D Instance Segmentation (OV-3DIS) with free-form language instructions. Earlier works that rely on only annotated base categories for training suffer from limited generalization to unseen novel…

Computer Vision and Pattern Recognition · Computer Science 2024-04-03 Seungjun Lee , Yuyang Zhao , Gim Hee Lee

Open-Vocabulary Semantic Segmentation (OVSS) has advanced with recent vision-language models (VLMs), enabling segmentation beyond predefined categories through various learning schemes. Notably, training-free methods offer scalable, easily…

Computer Vision and Pattern Recognition · Computer Science 2025-04-08 Chanyoung Kim , Dayun Ju , Woojung Han , Ming-Hsuan Yang , Seong Jae Hwang

This paper considers zero-shot Anomaly Detection (AD), performing AD without reference images of the test objects. We propose a framework called CLIP-AD to leverage the zero-shot capabilities of the large vision-language model CLIP.…

Computer Vision and Pattern Recognition · Computer Science 2024-03-05 Xuhai Chen , Jiangning Zhang , Guanzhong Tian , Haoyang He , Wuhao Zhang , Yabiao Wang , Chengjie Wang , Yong Liu

Open-vocabulary video visual relationship detection aims to expand video visual relationship detection beyond annotated categories by detecting unseen relationships between both seen and unseen objects in videos. Existing methods usually…

Computer Vision and Pattern Recognition · Computer Science 2025-04-15 Yongqi Wang , Xinxiao Wu , Shuo Yang , Jiebo Luo

Despite weakly supervised object detection (WSOD) being a promising step toward evading strong instance-level annotations, its capability is confined to closed-set categories within a single training dataset. In this paper, we propose a…

Computer Vision and Pattern Recognition · Computer Science 2023-12-20 Jianghang Lin , Yunhang Shen , Bingquan Wang , Shaohui Lin , Ke Li , Liujuan Cao

Depth cues are known to be useful for visual perception. However, direct measurement of depth is often impracticable. Fortunately, though, modern learning-based methods offer promising depth maps by inference in the wild. In this work, we…

Computer Vision and Pattern Recognition · Computer Science 2023-09-26 Zongwei Wu , Danda Pani Paudel , Deng-Ping Fan , Jingjing Wang , Shuo Wang , Cédric Demonceaux , Radu Timofte , Luc Van Gool

3D visual grounding (3DVG) aims to localize objects in a 3D scene based on natural language queries. In this work, we explore zero-shot 3DVG from multi-view images alone, without requiring any geometric supervision or object priors. We…

Computer Vision and Pattern Recognition · Computer Science 2026-02-04 Nikita Drozdov , Andrey Lemeshko , Nikita Gavrilov , Anton Konushin , Danila Rukhovich , Maksim Kolodiazhnyi

In this work, we address the challenging task of few-shot and zero-shot 3D point cloud semantic segmentation. The success of few-shot semantic segmentation in 2D computer vision is mainly driven by the pre-training on large-scale datasets…

Computer Vision and Pattern Recognition · Computer Science 2023-06-21 Shuting He , Xudong Jiang , Wei Jiang , Henghui Ding

In the field of visual scene understanding, deep neural networks have made impressive advancements in various core tasks like segmentation, tracking, and detection. However, most approaches operate on the close-set assumption, meaning that…

Computer Vision and Pattern Recognition · Computer Science 2024-02-02 Jianzong Wu , Xiangtai Li , Shilin Xu , Haobo Yuan , Henghui Ding , Yibo Yang , Xia Li , Jiangning Zhang , Yunhai Tong , Xudong Jiang , Bernard Ghanem , Dacheng Tao

Real-time open-vocabulary scene understanding is essential for efficient 3D perception in applications such as vision-language navigation, embodied intelligence, and augmented reality. However, existing methods suffer from imprecise…

Computer Vision and Pattern Recognition · Computer Science 2025-04-29 Xiaofeng Jin , Matteo Frosi , Matteo Matteucci

The rise of autonomous vehicles has significantly increased the demand for robust 3D object detection systems. While cameras and LiDAR sensors each offer unique advantages--cameras provide rich texture information and LiDAR offers precise…

Computer Vision and Pattern Recognition · Computer Science 2025-07-04 Zitian Wang , Zehao Huang , Yulu Gao , Naiyan Wang , Si Liu

Recently, open-vocabulary image classification by vision language pre-training has demonstrated incredible achievements, that the model can classify arbitrary categories without seeing additional annotated images of that category. However,…

Computer Vision and Pattern Recognition · Computer Science 2023-01-02 Mengde Xu , Zheng Zhang , Fangyun Wei , Yutong Lin , Yue Cao , Han Hu , Xiang Bai

The ability to recognize, localize and track dynamic objects in a scene is fundamental to many real-world applications, such as self-driving and robotic systems. Yet, traditional multiple object tracking (MOT) benchmarks rely only on a few…

Computer Vision and Pattern Recognition · Computer Science 2023-04-18 Siyuan Li , Tobias Fischer , Lei Ke , Henghui Ding , Martin Danelljan , Fisher Yu

Anomaly detection is a long-standing challenge in manufacturing systems. Traditionally, anomaly detection has relied on human inspectors. However, 3D point clouds have gained attention due to their robustness to environmental factors and…

Computer Vision and Pattern Recognition · Computer Science 2024-11-12 Jiayu Liu , Shancong Mou , Nathan Gaw , Yinan Wang

Open-vocabulary Video Instance Segmentation (OpenVIS) can simultaneously detect, segment, and track arbitrary object categories in a video, without being constrained to categories seen during training. In this work, we propose InstFormer, a…

Computer Vision and Pattern Recognition · Computer Science 2024-08-20 Pinxue Guo , Tony Huang , Peiyang He , Xuefeng Liu , Tianjun Xiao , Zhaoyu Chen , Wenqiang Zhang

Detecting and segmenting novel object instances in open-world environments is a fundamental problem in robotic perception. Given only a small set of template images, a robot must locate and segment a specific object instance in a cluttered,…

Computer Vision and Pattern Recognition · Computer Science 2026-05-15 Qifan Zhang , Sai Haneesh Allu , Jikai Wang , Yangxiao Lu , Yu Xiang

We introduce MM-Mixing, a multi-modal mixing alignment framework for 3D understanding. MM-Mixing applies mixing-based methods to multi-modal data, preserving and optimizing cross-modal connections while enhancing diversity and improving…

Computer Vision and Pattern Recognition · Computer Science 2024-08-20 Jiaze Wang , Yi Wang , Ziyu Guo , Renrui Zhang , Donghao Zhou , Guangyong Chen , Anfeng Liu , Pheng-Ann Heng

Open-Vocabulary Mobile Manipulation (OVMM) is a crucial capability for autonomous robots, especially when faced with the challenges posed by unknown and dynamic environments. This task requires robots to explore and build a semantic…

Robotics · Computer Science 2024-06-27 Dicong Qiu , Wenzong Ma , Zhenfu Pan , Hui Xiong , Junwei Liang