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Auteurs principaux: Zhu, Zhengtong, Fan, Jiaqing, Liu, Zhixuan, Li, Fanzhang
Format: Preprint
Publié: 2026
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Accès en ligne:https://arxiv.org/abs/2603.01545
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author Zhu, Zhengtong
Fan, Jiaqing
Liu, Zhixuan
Li, Fanzhang
author_facet Zhu, Zhengtong
Fan, Jiaqing
Liu, Zhixuan
Li, Fanzhang
contents Reasoning Video Object Segmentation (ReasonVOS) is a challenging task that requires stable object segmentation across video sequences using implicit and complex textual inputs. Previous methods fine-tune Multimodal Large Language Models (MLLMs) to produce segmentation outputs, which demand substantial resources. Additionally, some existing methods are coupled in the processing of spatio-temporal information, which affects the temporal stability of the model to some extent. To address these issues, we propose Training-Free \textbf{S}patio-temporal \textbf{D}ecoupled Reasoning Video Segmentation with \textbf{A}daptive Object \textbf{M}emory (SDAM). We aim to design a training-free reasoning video segmentation framework that outperforms existing methods requiring fine-tuning, using only pre-trained models. Meanwhile, we propose an Adaptive Object Memory module that selects and memorizes key objects based on motion cues in different video sequences. Finally, we propose Spatio-temporal Decoupling for stable temporal propagation. In the spatial domain, we achieve precise localization and segmentation of target objects, while in the temporal domain, we leverage key object temporal information to drive stable cross-frame propagation. Our method achieves excellent results on five benchmark datasets, including Ref-YouTubeVOS, Ref-DAVIS17, MeViS, ReasonVOS, and ReVOS.
format Preprint
id arxiv_https___arxiv_org_abs_2603_01545
institution arXiv
publishDate 2026
record_format arxiv
spellingShingle Training-Free Spatio-temporal Decoupled Reasoning Video Segmentation with Adaptive Object Memory
Zhu, Zhengtong
Fan, Jiaqing
Liu, Zhixuan
Li, Fanzhang
Computer Vision and Pattern Recognition
Reasoning Video Object Segmentation (ReasonVOS) is a challenging task that requires stable object segmentation across video sequences using implicit and complex textual inputs. Previous methods fine-tune Multimodal Large Language Models (MLLMs) to produce segmentation outputs, which demand substantial resources. Additionally, some existing methods are coupled in the processing of spatio-temporal information, which affects the temporal stability of the model to some extent. To address these issues, we propose Training-Free \textbf{S}patio-temporal \textbf{D}ecoupled Reasoning Video Segmentation with \textbf{A}daptive Object \textbf{M}emory (SDAM). We aim to design a training-free reasoning video segmentation framework that outperforms existing methods requiring fine-tuning, using only pre-trained models. Meanwhile, we propose an Adaptive Object Memory module that selects and memorizes key objects based on motion cues in different video sequences. Finally, we propose Spatio-temporal Decoupling for stable temporal propagation. In the spatial domain, we achieve precise localization and segmentation of target objects, while in the temporal domain, we leverage key object temporal information to drive stable cross-frame propagation. Our method achieves excellent results on five benchmark datasets, including Ref-YouTubeVOS, Ref-DAVIS17, MeViS, ReasonVOS, and ReVOS.
title Training-Free Spatio-temporal Decoupled Reasoning Video Segmentation with Adaptive Object Memory
topic Computer Vision and Pattern Recognition
url https://arxiv.org/abs/2603.01545