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Author

Zi-Mo Liu

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Conference Sep 2026

Research on the identification method of JPEG image copy-paste forgery based on BAG optimization and lightweight GNN

A forgery detection method based on block artifact grid (BAG) optimization and lightweight graph neural network (GNN) is proposed to address the problems in JPEG image copy-paste forgery detection, such as insufficient robustness to compression interference in existing methods, difficulty in balancing lightweight and d...

Zi-Mo Liu, Man-Heng Wang, Cheng-Jie Li · 0 citations
Preprint Aug 2026

LoKiFormer: Locality-aware Attention with Decoupled Knowledge Memory for Efficient Large Language Model Pretraining

Large language models (LLMs) have achieved remarkable breakthroughs across various applications. However, their architectures remain inefficient in pretraining due to two main limitations: (i) self-attention lacks an explicit inductive bias for locality, leading to redundant modeling of sequence-internal local informat...

Qiuwu Chen, Zi-Mo Liu, Yuchen Li et al. · 0 citations

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