Author

Wen-Jie Pei

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Preprint Oct 2026

Lifelong small-object navigation in changing object layouts: a benchmark and method

Household robots need to continually navigate to different objects in the same environment, many of which are small and portable, such as tools and toys. Their small visual footprint and frequent occlusion make reliable observation difficult, and they may be moved by people without the robot observing the changes. We f...

Jia-Gan Huang, Zi-Kun Zhou, Zi-Jian Ni et al. · 0 citations

#machine learning Preprint Sep 2026

MoRA: MoE Pruning via Router Bias Learning and Expert Approximation

Mixture-of-Experts (MoE) models enable parameter scaling with limited per-token computation by activating only a small subset of experts for each token, but deploying them still requires loading the complete expert pool into memory. Structured expert pruning can effectively reduce the memory usage by removing experts....

Yu-Shuai Sun, Zi-Kun Zhou, Lin Gao et al. · 0 citations

#artificial intelligence Mar 2026

HISA: Efficient Hierarchical Indexing for Fine-Grained Sparse Attention

This work proposes HISA (Hierarchical Indexed Sparse Attention), a plug-and-play replacement for the indexer that rewrites the search path from a flat token scan into a two-stage hierarchical procedure: a block-level coarse filtering stage that scores pooled block representations to discard irrelevant regions, followed...

Yufei Xu, Fan-Xu Meng, Fan Jiang et al. · arXiv.org · 10 citations · ⚡1