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Related papers: A Survey on Open-Vocabulary Detection and Segmenta…

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Open-vocabulary object detection (OVD) aims to recognize and localize object categories beyond the training set. Recent approaches leverage vision-language models to generate pseudo-labels using image-text alignment, allowing detectors to…

Computer Vision and Pattern Recognition · Computer Science 2026-03-19 Hojun Choi , Youngsun Lim , Jaeyo Shin , Hyunjung Shim

Vision-Language Model (VLM) have gained widespread adoption in Open-Vocabulary (OV) object detection and segmentation tasks. Despite they have shown promise on OV-related tasks, their effectiveness in conventional vision tasks has thus far…

Computer Vision and Pattern Recognition · Computer Science 2025-04-15 Yongchao Feng , Yajie Liu , Shuai Yang , Wenrui Cai , Jinqing Zhang , Qiqi Zhan , Ziyue Huang , Hongxi Yan , Qiao Wan , Chenguang Liu , Junzhe Wang , Jiahui Lv , Ziqi Liu , Tengyuan Shi , Qingjie Liu , Yunhong Wang

Despite the remarkable accuracy of deep neural networks in object detection, they are costly to train and scale due to supervision requirements. Particularly, learning more object categories typically requires proportionally more bounding…

Computer Vision and Pattern Recognition · Computer Science 2021-03-16 Alireza Zareian , Kevin Dela Rosa , Derek Hao Hu , Shih-Fu Chang

This paper addresses the challenging problem of open-vocabulary object detection (OVOD) where an object detector must identify both seen and unseen classes in test images without labeled examples of the unseen classes in training. A typical…

Computer Vision and Pattern Recognition · Computer Science 2024-06-04 Chau Pham , Truong Vu , Khoi Nguyen

Domain Generalization in Semantic Segmentation (DG-SS) aims to enable segmentation models to perform robustly in unseen environments. However, conventional DG-SS methods are restricted to a fixed set of known categories, limiting their…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Dong Zhao , Qi Zang , Nan Pu , Wenjing Li , Nicu Sebe , Zhun Zhong

Open-vocabulary 3D scene understanding (OV-3D) aims to localize and classify novel objects beyond the closed set of object classes. However, existing approaches and benchmarks primarily focus on the open vocabulary problem within the…

Computer Vision and Pattern Recognition · Computer Science 2025-11-26 Youjun Zhao , Jiaying Lin , Shuquan Ye , Qianshi Pang , Rynson W. H. Lau

Open-Vocabulary Segmentation (OVS) aims to segment image regions beyond predefined category sets by leveraging semantic descriptions. While CLIP based approaches excel in semantic generalization, they frequently lack the fine-grained…

Computer Vision and Pattern Recognition · Computer Science 2026-04-10 Haoxi Zeng , Qiankun Liu , Yi Bin , Haiyue Zhang , Yujuan Ding , Guoqing Wang , Deqiang Ouyang , Heng Tao Shen

Open-vocabulary detectors are proposed to locate and recognize objects in novel classes. However, variations in vision-aware language vocabulary data used for open-vocabulary learning can lead to unfair and unreliable evaluations. Recent…

Computer Vision and Pattern Recognition · Computer Science 2025-03-21 Ying Liu , Yijing Hua , Haojiang Chai , Yanbo Wang , TengQi Ye

Existing studies typically investigate domain shift and category shift as independent problems, however, in real-world scenarios, the two types of shifts often occur simultaneously and interact, leading to significant degradation in…

Computer Vision and Pattern Recognition · Computer Science 2026-05-27 Yupeng Zhang , Ruize Han , Fangnan Zhou , Wei Feng , Liang Wan

This paper studies open-vocabulary segmentation (OVS) through calibrating in-vocabulary and domain-biased embedding space with generalized contextual prior of CLIP. As the core of open-vocabulary understanding, alignment of visual content…

Computer Vision and Pattern Recognition · Computer Science 2024-11-27 Yong Liu , Sule Bai , Guanbin Li , Yitong Wang , Yansong Tang

Vision-language models (VLMs) excel in visual understanding but often lack reliable grounding capabilities and actionable inference rates. Integrating them with open-vocabulary object detection (OVD), instance segmentation, and tracking…

Computer Vision and Pattern Recognition · Computer Science 2025-10-21 Bastian Pätzold , Jan Nogga , Sven Behnke

The ability to interpret and comprehend a 3D scene is essential for many vision and robotics systems. In numerous applications, this involves 3D object detection, i.e.~identifying the location and dimensions of objects belonging to a…

Computer Vision and Pattern Recognition · Computer Science 2025-09-22 Olivier Moliner , Viktor Larsson , Kalle Åström

Detecting objects based on language information is a popular task that includes Open-Vocabulary object Detection (OVD) and Referring Expression Comprehension (REC). In this paper, we advance them to a more practical setting called Described…

Computer Vision and Pattern Recognition · Computer Science 2025-06-09 Chi Xie , Zhao Zhang , Yixuan Wu , Feng Zhu , Rui Zhao , Shuang Liang

Video anomaly detection (VAD) with weak supervision has achieved remarkable performance in utilizing video-level labels to discriminate whether a video frame is normal or abnormal. However, current approaches are inherently limited to a…

Computer Vision and Pattern Recognition · Computer Science 2024-03-14 Peng Wu , Xuerong Zhou , Guansong Pang , Yujia Sun , Jing Liu , Peng Wang , Yanning Zhang

Open-vocabulary object detection (OVD) aims to detect objects beyond the training annotations, where detectors are usually aligned to a pre-trained vision-language model, eg, CLIP, to inherit its generalizable recognition ability so that…

Computer Vision and Pattern Recognition · Computer Science 2025-03-14 Shenghao Fu , Junkai Yan , Qize Yang , Xihan Wei , Xiaohua Xie , Wei-Shi Zheng

We introduce the task of open-vocabulary 3D instance segmentation. Current approaches for 3D instance segmentation can typically only recognize object categories from a pre-defined closed set of classes that are annotated in the training…

Computer Vision and Pattern Recognition · Computer Science 2023-10-31 Ayça Takmaz , Elisabetta Fedele , Robert W. Sumner , Marc Pollefeys , Federico Tombari , Francis Engelmann

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

Video Instance Segmentation (VIS) aims at segmenting and categorizing objects in videos from a closed set of training categories, lacking the generalization ability to handle novel categories in real-world videos. To address this…

Computer Vision and Pattern Recognition · Computer Science 2023-08-08 Haochen Wang , Cilin Yan , Shuai Wang , Xiaolong Jiang , XU Tang , Yao Hu , Weidi Xie , Efstratios Gavves

3D object detection plays a crucial role in autonomous systems, yet existing methods are limited by closed-set assumptions and struggle to recognize novel objects and their attributes in real-world scenarios. We propose OVODA, a novel…

Computer Vision and Pattern Recognition · Computer Science 2025-08-26 Xinhao Xiang , Kuan-Chuan Peng , Suhas Lohit , Michael J. Jones , Jiawei Zhang

Open-vocabulary 3D scene understanding presents a significant challenge in the field. Recent works have sought to transfer knowledge embedded in vision-language models from 2D to 3D domains. However, these approaches often require prior…

Computer Vision and Pattern Recognition · Computer Science 2024-09-06 Hanchen Tai , Qingdong He , Jiangning Zhang , Yijie Qian , Zhenyu Zhang , Xiaobin Hu , Xiangtai Li , Yabiao Wang , Yong Liu