Author

Jizhong Han

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Preprint Aug 2026

Erase but Preserve: Controllable Removal of Copyrighted Animation Characters via Optimized Semantic Anchors

The exceptional generation capabilities of text-to-image diffusion models have raised copyright concerns, particularly the unauthorized reproduction of animation characters. Existing concept erasure methods fall short for animation character erasure: model modification methods struggle to identify suitable anchors for...

Qiao Li, Xiaomeng Fu, Wangjia Yu et al. · 0 citations

Jul 2026

CogRec: Structure-Cognitive Fast-and-Slow Reasoning for Generative Recommendation

Experiments on three public sequential-recommendation benchmarks show that SID Routing improves its corresponding direct-generation, and indicate that structure-grounded reasoning is most useful when prefix matching is insufficient but learnable SID-space transitions remain available, whereas long or weakly supported r...

Xiang Liu, Jingsong Su, Shuqing Zhao et al. · arXiv.org · 0 citations

Preprint Aug 2026

Semantic Steering for Controllable Generation: Tuning-Free Concept Erasure in Multimodal Diffusion Transformers

This work proposes to erase concepts by directly manipulating the model's internal representations by operating exclusively on the sparse text-branch tokens and leveraging the straight sampling trajectory of rectified flow, achieving effective concept erasure with negligible overhead and without any training.

Qiao Li, Xiaomeng Fu, Yuanshu Zhao et al. · 1 citation