SAMWISE: Infusing Wisdom in SAM2 for Text-Driven Video Segmentation

• URL: http://arxiv.org/abs/2411.17646v2
• Date: Tue, 25 Mar 2025 17:17:59 GMT
• Title: SAMWISE: Infusing Wisdom in SAM2 for Text-Driven Video Segmentation
• Authors: Claudia Cuttano, Gabriele Trivigno, Gabriele Rosi, Carlo Masone, Giuseppe Averta,
• Abstract summary: Referring Video Object (RVOS) relies on natural language expressions to segment an object in a video clip.<n>We build upon the Segment-Anything 2 (SAM2) model, that provides robust segmentation and tracking capabilities.<n>We introduce a novel adapter module that injects temporal information and multi-modal cues in the feature extraction process.
• Score: 4.166500345728911
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Referring Video Object Segmentation (RVOS) relies on natural language expressions to segment an object in a video clip. Existing methods restrict reasoning either to independent short clips, losing global context, or process the entire video offline, impairing their application in a streaming fashion. In this work, we aim to surpass these limitations and design an RVOS method capable of effectively operating in streaming-like scenarios while retaining contextual information from past frames. We build upon the Segment-Anything 2 (SAM2) model, that provides robust segmentation and tracking capabilities and is naturally suited for streaming processing. We make SAM2 wiser, by empowering it with natural language understanding and explicit temporal modeling at the feature extraction stage, without fine-tuning its weights, and without outsourcing modality interaction to external models. To this end, we introduce a novel adapter module that injects temporal information and multi-modal cues in the feature extraction process. We further reveal the phenomenon of tracking bias in SAM2 and propose a learnable module to adjust its tracking focus when the current frame features suggest a new object more aligned with the caption. Our proposed method, SAMWISE, achieves state-of-the-art across various benchmarks, by adding a negligible overhead of less than 5 M parameters. Code is available at https://github.com/ClaudiaCuttano/SAMWISE .

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