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Recently, transformer-based approaches have shown promising results for semi-supervised video object segmentation. However, these approaches typically struggle on long videos due to increased GPU memory demands, as they frequently expand…

Computer Vision and Pattern Recognition · Computer Science 2024-09-27 Abdelrahman Shaker , Syed Talal Wasim , Martin Danelljan , Salman Khan , Ming-Hsuan Yang , Fahad Shahbaz Khan

Reasoning-centric video object segmentation is an inherently complex task: the query often refers to dynamics, causality, and temporal interactions, rather than static appearances. Yet existing solutions generally collapse these factors…

Computer Vision and Pattern Recognition · Computer Science 2025-12-03 Yifan Li , Yingda Yin , Lingting Zhu , Weikai Chen , Shengju Qian , Xin Wang , Yanwei Fu

With recent video object segmentation (VOS) benchmarks evolving to challenging scenarios, we revisit a simple but overlooked strategy: restricting the size of memory banks. This diverges from the prevalent practice of expanding memory banks…

Computer Vision and Pattern Recognition · Computer Science 2025-01-15 Junbao Zhou , Ziqi Pang , Yu-Xiong Wang

Referring video object segmentation (RVOS) aims to segment objects in a video according to textual descriptions, which requires the integration of multimodal information and temporal dynamics perception. The Segment Anything Model 2 (SAM 2)…

Computer Vision and Pattern Recognition · Computer Science 2025-08-11 Fu Rong , Meng Lan , Qian Zhang , Lefei Zhang

We present the \textbf{D}ecoupled \textbf{VI}deo \textbf{S}egmentation (DVIS) framework, a novel approach for the challenging task of universal video segmentation, including video instance segmentation (VIS), video semantic segmentation…

Computer Vision and Pattern Recognition · Computer Science 2023-12-22 Tao Zhang , Xingye Tian , Yikang Zhou , Shunping Ji , Xuebo Wang , Xin Tao , Yuan Zhang , Pengfei Wan , Zhongyuan Wang , Yu Wu

Multimodal large language models (MLLMs) are rapidly expanding from general video understanding to finer-grained understanding such as spatio-temporal video grounding (STVG) and reasoning. In these tasks, an MLLM must localize the…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Shida Gao , Feng Xue , Xiangfeng Wang , Anlong Ming , Zhaowen Lin , Haiyang Zhang , Teng Long , Nicu Sebe , Yihua Shao , Haozhe Wang , Wei Wang

Motion expression video segmentation is designed to segment objects in accordance with the input motion expressions. In contrast to the conventional Referring Video Object Segmentation (RVOS), it places emphasis on motion as well as…

Computer Vision and Pattern Recognition · Computer Science 2025-04-08 Hao Fang , Runmin Cong , Xiankai Lu , Zhiyang Chen , Wei Zhang

In the booming video era, video segmentation attracts increasing research attention in the multimedia community. Semi-supervised video object segmentation (VOS) aims at segmenting objects in all target frames of a video, given annotated…

Computer Vision and Pattern Recognition · Computer Science 2022-07-05 Xiaohao Xu , Jinglu Wang , Xiang Ming , Yan Lu

The crux of Referring Video Object Segmentation (RVOS) lies in modeling dense text-video relations to associate abstract linguistic concepts with dynamic visual contents at pixel-level. Current RVOS methods typically use vision and language…

Computer Vision and Pattern Recognition · Computer Science 2024-09-24 Zikun Zhou , Wentao Xiong , Li Zhou , Xin Li , Zhenyu He , Yaowei Wang

Semantic video segmentation is challenging due to the sheer amount of data that needs to be processed and labeled in order to construct accurate models. In this paper we present a deep, end-to-end trainable methodology to video segmentation…

Computer Vision and Pattern Recognition · Computer Science 2017-10-03 David Nilsson , Cristian Sminchisescu

Video segmentation aims at partitioning video sequences into meaningful segments based on objects or regions of interest within frames. Current video segmentation models are often derived from image segmentation techniques, which struggle…

Computer Vision and Pattern Recognition · Computer Science 2024-08-21 Chen Liang , Qiang Guo , Xiaochao Qu , Luoqi Liu , Ting Liu

Self-attention has been successfully applied to video representation learning due to the effectiveness of modeling long range dependencies. Existing approaches build the dependencies merely by computing the pairwise correlations along…

Computer Vision and Pattern Recognition · Computer Science 2021-05-28 Xudong Guo , Xun Guo , Yan Lu

The task of video object segmentation with referring expressions (language-guided VOS) is to, given a linguistic phrase and a video, generate binary masks for the object to which the phrase refers. Our work argues that existing benchmarks…

Computer Vision and Pattern Recognition · Computer Science 2020-10-02 Miriam Bellver , Carles Ventura , Carina Silberer , Ioannis Kazakos , Jordi Torres , Xavier Giro-i-Nieto

Language-guided segmentation transcends the scope limitations of traditional semantic segmentation, enabling models to segment arbitrary target regions based on natural language instructions. Existing approaches typically adopt a two-stage…

Computer Vision and Pattern Recognition · Computer Science 2026-05-14 Chao Hao , Jun Xu , Ji Du , Shuo Ye , Ziyue Qiao , Xiaodong Cun , Guangcong Wang , Xubin Zheng , Zitong Yu

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

Referring video object segmentation (RVOS) requires segmenting and tracking objects in videos conditioned on natural-language expressions, demanding fine-grained understanding of both appearance and motion. Building on Sa2VA, which couples…

Computer Vision and Pattern Recognition · Computer Science 2025-10-21 Quanzhu Niu , Dengxian Gong , Shihao Chen , Tao Zhang , Yikang Zhou , Haobo Yuan , Lu Qi , Xiangtai Li , Shunping Ji

Semantic Segmentation is an important module for autonomous robots such as self-driving cars. The advantage of video segmentation approaches compared to single image segmentation is that temporal image information is considered, and their…

Computer Vision and Pattern Recognition · Computer Science 2019-07-17 Andreas Pfeuffer , Klaus Dietmayer

Referring Video Object Segmentation (RVOS) aims to segment the object referred to by the query sentence throughout the entire video. Most existing methods require end-to-end training with dense mask annotations, which could be…

Computer Vision and Pattern Recognition · Computer Science 2024-06-25 Ci-Siang Lin , I-Jieh Liu , Min-Hung Chen , Chien-Yi Wang , Sifei Liu , Yu-Chiang Frank Wang

Large-scale Video Object Segmentation (LSVOS) addresses the challenge of accurately tracking and segmenting objects in long video sequences, where difficulties stem from object reappearance, small-scale targets, heavy occlusions, and…

Computer Vision and Pattern Recognition · Computer Science 2025-09-23 Yujie Xie , Hongyang Zhang , Zhihui Liu , Shihai Ruan

In this paper, we introduce a self-supervised approach for video object segmentation without human labeled data.Specifically, we present Robust Pixel-level Matching Net-works (RPM-Net), a novel deep architecture that matches pixels between…

Computer Vision and Pattern Recognition · Computer Science 2019-10-11 Youngeun Kim , Seokeon Choi , Hankyeol Lee , Taekyung Kim , Changick Kim