Author

Zi-Hao Guo

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Preprint Sep 2026

Partition-Invariant Tuning for 3D Scene Understanding

PointPiT is proposed, a partition-invariant tuning framework for scene-level point clouds that integrates local geometric patterns with global scene context to mitigate partition-induced representation shifts, and achieves consistent state-of-the-art performance among representative PEFT methods.

Hong-Qiang Lin, Tian-Le Wang, Shui-Wang Li et al. · 0 citations

Jul 2026

SPARK: Susceptibility-Guided Profiling and Steering of Latent Reasoning States in Large Language Models

SPARK is introduced, which uses hidden-state response to diagnose whether a model internally enters an effective reasoning state and to guide lightweight test-time steering, and suggests that susceptibility can serve not only as a diagnostic signal for reasoning failures, but also as a practical guide for targeted test...

Dongxu Zhang, Yiding Sun, Zihao Guo et al. · arXiv.org · 0 citations