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The recent transformer-based models have dominated the Referring Video Object Segmentation (RVOS) task due to the superior performance. Most prior works adopt unified DETR framework to generate segmentation masks in query-to-instance…

Computer Vision and Pattern Recognition · Computer Science 2024-01-02 Zhuoyan Luo , Yicheng Xiao , Yong Liu , Yitong Wang , Yansong Tang , Xiu Li , Yujiu Yang

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

The audio-visual segmentation (AVS) task aims to segment sounding objects from a given video. Existing works mainly focus on fusing audio and visual features of a given video to achieve sounding object masks. However, we observed that prior…

Sound · Computer Science 2023-08-02 Chen Liu , Peike Li , Xingqun Qi , Hu Zhang , Lincheng Li , Dadong Wang , Xin Yu

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

Video Object Segmentation (VOS) is an active research area of the visual domain. One of its fundamental sub-tasks is semi-supervised / one-shot learning: given only the segmentation mask for the first frame, the task is to provide…

Computer Vision and Pattern Recognition · Computer Science 2020-04-28 Fatemeh Azimi , Benjamin Bischke , Sebastian Palacio , Federico Raue , Joern Hees , Andreas Dengel

Video object segmentation (VOS) aims at pixel-level object tracking given only the annotations in the first frame. Due to the large visual variations of objects in video and the lack of training samples, it remains a difficult task despite…

Computer Vision and Pattern Recognition · Computer Science 2019-07-05 Qiang Zhou , Zilong Huang , Lichao Huang , Yongchao Gong , Han Shen , Chang Huang , Wenyu Liu , Xinggang Wang

Video object segmentation (VOS) is a challenging task with wide applications such as video editing and autonomous driving. While Cutie provides strong query-based segmentation and SAM2 offers enriched representations via a pretrained ViT…

Computer Vision and Pattern Recognition · Computer Science 2025-09-22 Chang Soo Lim , Joonyoung Moon , Donghyeon Cho

Referring video object segmentation (RVOS) is an emerging cross-modality task that aims to generate pixel-level maps of the target objects referred by given textual expressions. The main concept involves learning an accurate alignment of…

Computer Vision and Pattern Recognition · Computer Science 2025-11-27 Baoli Sun , Xinzhu Ma , Ning Wang , Zhihui Wang , Zhiyong Wang

In this paper, we present a unified, end-to-end trainable spatiotemporal CNN model for VOS, which consists of two branches, i.e., the temporal coherence branch and the spatial segmentation branch. Specifically, the temporal coherence branch…

Computer Vision and Pattern Recognition · Computer Science 2019-04-05 Kai Xu , Longyin Wen , Guorong Li , Liefeng Bo , Qingming Huang

The current popular methods for video object segmentation (VOS) implement feature matching through several hand-crafted modules that separately perform feature extraction and matching. However, the above hand-crafted designs empirically…

Computer Vision and Pattern Recognition · Computer Science 2023-08-22 Qiangqiang Wu , Tianyu Yang , Wei WU , Antoni Chan

Video object segmentation (VOS) is a highly challenging problem, since the target object is only defined during inference with a given first-frame reference mask. The problem of how to capture and utilize this limited target information…

Computer Vision and Pattern Recognition · Computer Science 2020-05-04 Goutam Bhat , Felix Järemo Lawin , Martin Danelljan , Andreas Robinson , Michael Felsberg , Luc Van Gool , Radu Timofte

Segmentation of video objects in complex scenarios is highly challenging, and the MOSE dataset has significantly contributed to the development of this field. This technical report details the STSeg solution proposed by the "imaplus"…

Computer Vision and Pattern Recognition · Computer Science 2025-04-14 Kehuan Song , Xinglin Xie , Kexin Zhang , Licheng Jiao , Lingling Li , Shuyuan Yang

Current top-leading solutions for video object segmentation (VOS) typically follow a matching-based regime: for each query frame, the segmentation mask is inferred according to its correspondence to previously processed and the first…

Computer Vision and Pattern Recognition · Computer Science 2023-04-14 Yurong Zhang , Liulei Li , Wenguan Wang , Rong Xie , Li Song , Wenjun Zhang

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

Existing Video Object Segmentation (VOS) relies on explicit user instructions, such as categories, masks, or short phrases, restricting their ability to perform complex video segmentation requiring reasoning with world knowledge. In this…

Computer Vision and Pattern Recognition · Computer Science 2024-07-17 Cilin Yan , Haochen Wang , Shilin Yan , Xiaolong Jiang , Yao Hu , Guoliang Kang , Weidi Xie , Efstratios Gavves

Significant progress has been made in Video Object Segmentation (VOS), the video object tracking task in its finest level. While the VOS task can be naturally decoupled into image semantic segmentation and video object tracking,…

Computer Vision and Pattern Recognition · Computer Science 2020-07-14 Xuhua Huang , Jiarui Xu , Yu-Wing Tai , Chi-Keung Tang

This paper studies the problem of semi-supervised video object segmentation(VOS). Multiple works have shown that memory-based approaches can be effective for video object segmentation. They are mostly based on pixel-level matching, both…

Computer Vision and Pattern Recognition · Computer Science 2021-04-12 Li Hu , Peng Zhang , Bang Zhang , Pan Pan , Yinghui Xu , Rong Jin

Focusing on only semantic instances that only salient in a scene gains more benefits for robot navigation and self-driving cars than looking at all objects in the whole scene. This paper pushes the envelope on salient regions in a video to…

Computer Vision and Pattern Recognition · Computer Science 2018-11-26 Trung-Nghia Le , Akihiro Sugimoto

Complex video object segmentation serves as a fundamental task for a wide range of downstream applications such as video editing and automatic data annotation. Here we present the 2nd place solution in the MOSE track of PVUW 2024. To…

Computer Vision and Pattern Recognition · Computer Science 2024-06-13 Zhensong Xu , Jiangtao Yao , Chengjing Wu , Ting Liu , Luoqi Liu

In this work we propose a capsule-based approach for semi-supervised video object segmentation. Current video object segmentation methods are frame-based and often require optical flow to capture temporal consistency across frames which can…

Computer Vision and Pattern Recognition · Computer Science 2019-10-02 Kevin Duarte , Yogesh S Rawat , Mubarak Shah