← Search

Hongyi Cai

4 accepted papers

2026

AutoDebias: An Automated Framework for Detecting and Mitigating Backdoor Biases in Text-to-Image Models

CVPR 2026

Text-to-Image (T2I) models generate high-quality images but are vulnerable to malicious backdoor attacks that inject harmful biases (e.g., trigger-activated gender or racial stereotypes). Existing debiasing methods, often designed for natural statistical biases, struggle with these deliberate and su

Cited by 0SourcecodeScholar
2026

Evo-1: Lightweight Vision-Language-Action Model with Preserved Semantic Alignment

CVPR 2026

Vision-Language-Action (VLA) models have emerged as a powerful framework that unifies perception, language, and control, enabling robots to perform diverse tasks through multimodal understanding. However, current VLA models typically contain massive parameters and rely heavily on large-scale robot d

Cited by 0SourcecodeScholar
2025

Low-Confidence Gold: Refining Low-Confidence Samples for Efficient Instruction Tuning

EMNLP 2025

The effectiveness of instruction fine-tuning for Large Language Models is fundamentally constrained by the quality and efficiency of training datasets. This work introduces Low-Confidence Gold (LCG), a novel filtering framework that employs centroid-based clustering and confidence-guided selection f

2025

To Trust or Not to Trust? Enhancing Large Language Models' Situated Faithfulness to External Contexts

ICLR 2025spotlight

Large Language Models (LLMs) are often augmented with external contexts, such as those used in retrieval-augmented generation (RAG). However, these contexts can be inaccurate or intentionally misleading, leading to conflicts with the model’s internal knowledge. We argue that robust LLMs should demon…

Cited by 0SourcePDFScholar