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Aofei Chang

7 accepted papers

2026

MedSIGHT: Towards Grounded Visual Comprehension in Medical Large Vision-Language Models

ICML 2026poster

Medical large vision-language models (Med-LVLMs) have recently achieved remarkable progress in vision–language comprehension and medical image segmentation. However, existing models still struggle to unify these two capabilities, which is essential for achieving clinically reasoning that connects vi…

Cited by 0SourceScholar
2025

Focus on What Matters: Enhancing Medical Vision-Language Models with Automatic Attention Alignment Tuning

ACL 2025long

Medical Large Vision-Language Models (Med-LVLMs) often exhibit suboptimal attention distribution on visual inputs, leading to hallucinated or inaccurate outputs. Existing methods primarily rely on inference-time interventions, which are limited in attention adaptation or require additional supervisi…

Cited by 0SourcePDFScholar
2025

Shadow-Activated Backdoor Attacks on Multimodal Large Language Models

ACL 2025finding

This paper delves into a novel backdoor attack scenario, aiming to uncover potential security risks associated with Multimodal Large Language Models (MLLMs) during multi-round open-ended conversations with users. In the practical use of MLLMs, users have full control over the interaction process wit…

2024

BIPEFT: Budget-Guided Iterative Search for Parameter Efficient Fine-Tuning of Large Pretrained Language Models

EMNLP 2024finding

Parameter Efficient Fine-Tuning (PEFT) offers an efficient solution for fine-tuning large pretrained language models for downstream tasks. However, most PEFT strategies are manually designed, often resulting in suboptimal performance. Recent automatic PEFT approaches aim to address this but face cha…

Cited by 0SourcePDFScholar
2024

CoRelation: Boosting Automatic ICD Coding through Contextualized Code Relation Learning

COLING 2024main

Automatic International Classification of Diseases (ICD) coding plays a crucial role in the extraction of relevant information from clinical notes for proper recording and billing. One of the most important directions for boosting the performance of automatic ICD coding is modeling ICD code relation…

Cited by 10SourcePDFScholar
2024

Recent Advances in Predictive Modeling with Electronic Health Records

IJCAI 2024poster

The development of electronic health records (EHR) systems has enabled the collection of a vast amount of digitized patient data. However, utilizing EHR data for predictive modeling presents several challenges due to its unique characteristics. With the advancements in machine learning techniques, d…

Cited by 5SourcePDFScholar