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Hengyuan Xu

5 accepted papers

2026

Mitigating Tool Overuse for LLMs via Active Knowledge Boundary Probing

IJCAI 2026

Tool-augmented methods aim to enhance the reasoning capabilities of large language models (LLMs) by invoking external tools, which can be broadly categorized into training-free and training-based methods. Training-free methods can directly instruct LLMs to invoke external tools, but they exhibit lim

Cited by 0Scholar
2026

Optimizing LoRA Allocation of MoE with the Alignment of Topic Correlation

AAAI 2026technical

Mixture of experts (MoE) dynamically routes inputs to specialized expert networks to scale model capacity with low inference overhead. However, the excessive parameter growth in MoE models poses challenges in low-resource settings. To address these issues, MoE with parameter-efficient fine-tuning (P

Cited by 0SourcePDFScholar
2026

ViStoryBench: Comprehensive Benchmark Suite for Story Visualization

CVPR 2026

Story visualization aims to generate coherent image sequences that faithfully represent a narrative and match given character references. Despite progress in generative models, existing benchmarks remain narrow in scope, often limited to short prompts, lacking character references, or single-image c

Cited by 0SourcecodeScholar
2026

WithAnyone: Toward Controllable and ID Consistent Image Generation

ICLR 2026poster

Identity-consistent (ID-consistent) generation has become an important focus in text-to-image research, with recent models achieving notable success in producing images aligned with a reference identity. Yet, the scarcity of large-scale paired datasets—containing multiple images of the same individu…

Cited by 0SourcecodeScholar
2024

Permutation Equivariance of Transformers and Its Applications

CVPR 2024poster

Revolutionizing the field of deep learning Transformer-based models have achieved remarkable performance in many tasks. Recent research has recognized these models are robust to shuffling but are limited to inter-token permutation in the forward propagation. In this work we propose our definition of…