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Heng-Yuan Xu

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Preprint Aug 2026

WithEveryone: Unified Planning and Identity Grounding for Group Image Generation

WithEveryone, a unified framework for generating group images up to ten reference identities, is introduced, showing that explicit identity--layout grounding enables identity-preserving generation to scale to larger groups without relying on direct reference-face copying.

Heng-Yuan Xu, Qixun Wang, Yiji Cheng et al. · 0 citations
Conference Sep 2026

Mitigating Tool Overuse for LLMs via Active Knowledge Boundary Probing

RADAR is proposed, an automated framework for knowledge boundary discovery and tool overuse mitigation that globally propagates labels and rewrites conflicts, yielding deployment-aligned decisions with fewer unnecessary tool calls.

Zhao-Yu Yang, Wenjun Ke, Yuan-Yao Li et al. · 0 citations
Preprint Aug 2026

Aphanta: Diagnosing Task-Aligned Image-Edited Intermediates for Multimodal Reasoning

The results position image editing as a specialized visual workspace rather than a universal reasoning mechanism, and establish Aphanta as a reusable protocol for measuring task--representation alignment, editor realization, and downstream pipeline utility.

Heng-Yuan Xu, Wei Cheng, Yu-Meng Ji et al. · 0 citations

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