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Author

Fengxian Ji

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Preprint Aug 2026

GAAT: Geometry-Aware Alignment Transformer for Multimodal UAV Perception

Unmanned aerial vehicle (UAV) multimodal perception integrates visible (RGB), infrared (IR), synthetic aperture radar (SAR), and depth sensors for scene understanding under diverse conditions. However, differences in optics, resolution, and mounting often limit practical systems to global or image-center alignment. Aft...

Jing-Pu Yang, Deming Tang, Yi-Lin Sun et al. · 1 citation
Preprint Sep 2026

EgoSIS: From Factorized Visual Ego-Transitions to Motion-Canonical Spatial Evidence for UAV Reasoning

UAV video question answering requires separating camera motion from changes in the scene, but RGB-only multimodal models receive no explicit, stable reference for that separation. We present EgoSIS, a pose-free adapter that converts RGB-derived bidirectional flow into motion-canonical visual evidence in three stages. F...

Jing-Pu Yang, Feng-Xian Ji, Ming-Xuan Cui et al. · 0 citations
Preprint Aug 2026

Measure, Don't Optimize: Forecasting Recovery in LLM Unlearning

J-Access is proposed, an inference-time audit that uses the Jacobian lens to map intermediate representations into vocabulary space and measures how often target concepts remain accessible along the model's output pathway, positioning J-Access as a model-level diagnostic for assessing residual susceptibility in unlearn...

Zirui Song, Hua-Xing Liu, Xiang Wang et al. · 1 citation

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