The 1st Solution for MOSEv2 Challenge 2025: Long-term and Concept-aware Video Segmentation via SeC
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| Main Authors: | , , , , , |
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| Format: | Preprint |
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2025
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| _version_ | 1866911172194729984 |
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| author | Gao, Mingqi Chen, Jingkun Miao, Yunqi Wu, Gengshen Qin, Zhijin Han, Jungong |
| author_facet | Gao, Mingqi Chen, Jingkun Miao, Yunqi Wu, Gengshen Qin, Zhijin Han, Jungong |
| contents | 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 long-term memory and concept-aware memory, showing that long-term memory preserves temporal continuity under occlusion and reappearance, while concept-aware memory supplies semantic priors that suppress distractors; together, these traits directly benefit several MOSEv2's core challenges. Our solution achieves a JF score of 39.89% on the test set, ranking 1st in the MOSEv2 track of the LSVOS Challenge. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2509_19183 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | The 1st Solution for MOSEv2 Challenge 2025: Long-term and Concept-aware Video Segmentation via SeC Gao, Mingqi Chen, Jingkun Miao, Yunqi Wu, Gengshen Qin, Zhijin Han, Jungong Computer Vision and Pattern Recognition 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 long-term memory and concept-aware memory, showing that long-term memory preserves temporal continuity under occlusion and reappearance, while concept-aware memory supplies semantic priors that suppress distractors; together, these traits directly benefit several MOSEv2's core challenges. Our solution achieves a JF score of 39.89% on the test set, ranking 1st in the MOSEv2 track of the LSVOS Challenge. |
| title | The 1st Solution for MOSEv2 Challenge 2025: Long-term and Concept-aware Video Segmentation via SeC |
| topic | Computer Vision and Pattern Recognition |
| url | https://arxiv.org/abs/2509.19183 |