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Author

Jiaxin Chen

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Preprint Oct 2026

Calibrating Attention-Based Token Pruning for Efficient Multi-Image Synthesis in UMMs

Unified Multimodal Models (UMMs) enable powerful multi-image synthesis but incur substantial computation from long visual contexts. While token pruning offers a direct route to accelerating inference, existing methods are primarily adapted from understanding tasks, suffering from insufficient reference image exploratio...

Zi-Meng Wu, Qi-Jian Tian, Peng-Hui Du et al. · 0 citations
Preprint Aug 2026

From Semantic Grounding to Decision Optimization: A Unified Framework for Long-Horizon UAV Vision-Language Navigation

This work presents an instruction-grounded semantic enhancement module that injects object-level semantics and relative spatial cues into the current observation state, and develops a relevance-aware dynamic temporal aggregation strategy that reweights the full history buffer while converting a few high-relevance frame...

Ze-Yuan Ma, Jiaxin Chen, Di Huang · 1 citation

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