Mitigating Query Selection Bias in Referring Video Object Segmentation

• URL: http://arxiv.org/abs/2509.13722v1
• Date: Wed, 17 Sep 2025 06:17:23 GMT
• Title: Mitigating Query Selection Bias in Referring Video Object Segmentation
• Authors: Dingwei Zhang, Dong Zhang, Jinhui Tang,
• Abstract summary: We propose Triple Query Former (TQF) to factorize the referring query into three specialized components.<n>Instead of relying solely on textual embeddings, our queries are dynamically constructed by integrating both linguistic cues and visual guidance.
• Score: 39.39279952650532
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Recently, query-based methods have achieved remarkable performance in Referring Video Object Segmentation (RVOS) by using textual static object queries to drive cross-modal alignment. However, these static queries are easily misled by distractors with similar appearance or motion, resulting in \emph{query selection bias}. To address this issue, we propose Triple Query Former (TQF), which factorizes the referring query into three specialized components: an appearance query for static attributes, an intra-frame interaction query for spatial relations, and an inter-frame motion query for temporal association. Instead of relying solely on textual embeddings, our queries are dynamically constructed by integrating both linguistic cues and visual guidance. Furthermore, we introduce two motion-aware aggregation modules that enhance object token representations: Intra-frame Interaction Aggregation incorporates position-aware interactions among objects within a single frame, while Inter-frame Motion Aggregation leverages trajectory-guided alignment across frames to ensure temporal coherence. Extensive experiments on multiple RVOS benchmarks demonstrate the advantages of TQF and the effectiveness of our structured query design and motion-aware aggregation modules.

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