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Video object segmentation (VOS) aims to segment specified target objects throughout a video. Although state-of-the-art methods have achieved impressive performance (e.g., 90+% J&F) on benchmarks such as DAVIS and YouTube-VOS, these datasets…

Computer Vision and Pattern Recognition · Computer Science 2025-09-23 Henghui Ding , Kaining Ying , Chang Liu , Shuting He , Xudong Jiang , Yu-Gang Jiang , Philip H. S. Torr , Song Bai

We present Cutie, a video object segmentation (VOS) network with object-level memory reading, which puts the object representation from memory back into the video object segmentation result. Recent works on VOS employ bottom-up pixel-level…

Computer Vision and Pattern Recognition · Computer Science 2024-04-15 Ho Kei Cheng , Seoung Wug Oh , Brian Price , Joon-Young Lee , Alexander Schwing

Video object segmentation (VOS) is a highly challenging problem since the initial mask, defining the target object, is only given at test-time. The main difficulty is to effectively handle appearance changes and similar background objects,…

Computer Vision and Pattern Recognition · Computer Science 2020-04-01 Andreas Robinson , Felix Järemo Lawin , Martin Danelljan , Fahad Shahbaz Khan , Michael Felsberg

Referential Video Object Segmentation (RVOS) aims to segment all objects in a video that match a given natural language description, bridging the gap between vision and language understanding. Recent work, such as Sa2VA, combines Large…

Computer Vision and Pattern Recognition · Computer Science 2025-09-22 Ran Hong , Feng Lu , Leilei Cao , An Yan , Youhai Jiang , Fengjie Zhu

Referring Video Object Segmentation is an emerging multi-modal task that aims to segment objects in the video given a natural language expression. In this work, we build two instance-centric models and fuse predicted results from…

Computer Vision and Pattern Recognition · Computer Science 2024-08-21 Bin Cao , Yisi Zhang , Hanyi Wang , Xingjian He , Jing Liu

Video Object Segmentation and Tracking (VOST) presents a complex yet critical challenge in computer vision, requiring robust integration of segmentation and tracking across temporally dynamic frames. Traditional methods have struggled with…

Computer Vision and Pattern Recognition · Computer Science 2025-08-05 Guoping Xu , Jayaram K. Udupa , Yajun Yu , Hua-Chieh Shao , Songlin Zhao , Wei Liu , You Zhang

This technical report explores the MOSEv2 track of the LSVOS Challenge, which targets complex semi-supervised video object segmentation. By analysing and adapting SeC, an enhanced SAM-2 framework, we conduct a detailed study of its…

Computer Vision and Pattern Recognition · Computer Science 2025-09-24 Mingqi Gao , Jingkun Chen , Yunqi Miao , Gengshen Wu , Zhijin Qin , Jungong Han

Video object segmentation (VOS) aims at segmenting a particular object throughout the entire video clip sequence. The state-of-the-art VOS methods have achieved excellent performance (e.g., 90+% J&F) on existing datasets. However, since the…

Computer Vision and Pattern Recognition · Computer Science 2023-10-24 Henghui Ding , Chang Liu , Shuting He , Xudong Jiang , Philip H. S. Torr , Song Bai

Video Object Segmentation (VOS) is typically formulated in a semi-supervised setting. Given the ground-truth segmentation mask on the first frame, the task of VOS is to track and segment the single or multiple objects of interests in the…

Computer Vision and Pattern Recognition · Computer Science 2020-03-16 Kaihua Zhang , Long Wang , Dong Liu , Bo Liu , Qingshan Liu , Zhu Li

Referring video object segmentation (RVOS) relies on natural language expressions to segment target objects in video. In this year, LSVOS Challenge RVOS Track replaced the origin YouTube-RVOS benchmark with MeViS. MeViS focuses on referring…

Computer Vision and Pattern Recognition · Computer Science 2024-08-27 Hao Fang , Feiyu Pan , Xiankai Lu , Wei Zhang , Runmin Cong

Video Object Segmentation (VOS) is foundational to numerous computer vision applications, including surveillance, autonomous driving, robotics and generative video editing. However, existing VOS models often struggle with precise mask…

Computer Vision and Pattern Recognition · Computer Science 2025-07-28 Elham Soltani Kazemi , Imad Eddine Toubal , Gani Rahmon , Jaired Collins , K. Palaniappan

Given an object mask, Semi-supervised Video Object Segmentation (SVOS) technique aims to track and segment the object across video frames, serving as a fundamental task in computer vision. Although recent memory-based methods demonstrate…

Computer Vision and Pattern Recognition · Computer Science 2025-07-28 Guanyi Qin , Ziyue Wang , Daiyun Shen , Haofeng Liu , Hantao Zhou , Junde Wu , Runze Hu , Yueming Jin

Video Instance Segmentation (VIS) is a multi-task problem performing detection, segmentation, and tracking simultaneously. Extended from image set applications, video data additionally induces the temporal information, which, if handled…

Computer Vision and Pattern Recognition · Computer Science 2021-07-12 Thuy C. Nguyen , Tuan N. Tang , Nam LH. Phan , Chuong H. Nguyen , Masayuki Yamazaki , Masao Yamanaka

Video object segmentation (VOS) -- predicting pixel-level regions for objects within each frame of a video -- is particularly challenging in agricultural scenarios, where videos of crops include hundreds of small, dense, and occluded…

Computer Vision and Pattern Recognition · Computer Science 2025-04-17 Keyhan Najafian , Farhad Maleki , Lingling Jin , Ian Stavness

Video object segmentation (VOS) describes the task of segmenting a set of objects in each frame of a video. In the semi-supervised setting, the first mask of each object is provided at test time. Following the one-shot principle,…

Computer Vision and Pattern Recognition · Computer Science 2020-12-04 Tim Meinhardt , Laura Leal-Taixe

In this paper we introduce a Transformer-based approach to video object segmentation (VOS). To address compounding error and scalability issues of prior work, we propose a scalable, end-to-end method for VOS called Sparse Spatiotemporal…

Computer Vision and Pattern Recognition · Computer Science 2021-03-30 Brendan Duke , Abdalla Ahmed , Christian Wolf , Parham Aarabi , Graham W. Taylor

Existing video object segmentation (VOS) benchmarks focus on short-term videos which just last about 3-5 seconds and where objects are visible most of the time. These videos are poorly representative of practical applications, and the…

Computer Vision and Pattern Recognition · Computer Science 2023-08-21 Lingyi Hong , Wenchao Chen , Zhongying Liu , Wei Zhang , Pinxue Guo , Zhaoyu Chen , Wenqiang Zhang

Learning long-term spatial-temporal features are critical for many video analysis tasks. However, existing video segmentation methods predominantly rely on static image segmentation techniques, and methods capturing temporal dependency for…

Computer Vision and Pattern Recognition · Computer Science 2018-09-11 Ning Xu , Linjie Yang , Yuchen Fan , Dingcheng Yue , Yuchen Liang , Jianchao Yang , Thomas Huang

Currently, Video Instance Segmentation (VIS) aims at segmenting and categorizing objects in videos from a closed set of training categories that contain only a few dozen of categories, lacking the ability to handle diverse objects in…

Computer Vision and Pattern Recognition · Computer Science 2023-08-10 Kaer Huang

Semi-supervised Video Object Segmentation aims to segment a specified target throughout a video sequence, initialized by a first-frame mask. Previous methods rely heavily on appearance-based pattern matching and thus exhibit limited…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Zhixiong Zhang , Shuangrui Ding , Xiaoyi Dong , Yuhang Zang , Yuhang Cao , Jiaqi Wang