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20232026
most citedLocalizing Before Answering: A Hallucination Evaluation Benchmark for Grounded Medical Multimodal LLMs

3 citations · 6 across the 11 of their papers we have counts for

collaborators

14 papers

cs.CV2026

Visual Semantic Entropy: Do Vision Language Models Recognize Visual Ambiguity?

Ta Duc Huy, Trang Nguyen, Townim Chowdhury +5

Vision-language models can produce confident answers on visually ambiguous inputs, resulting in biased predictions. Common entropy-based methods, such as Semantic Entropy (SE), rel…

cs.CV2026

Beyond the Global Scores: Fine-Grained Token Grounding as a Robust Detector of LVLM Hallucinations

Tuan Dung Nguyen, Minh Khoi Ho, Qi Chen +8

Large vision-language models (LVLMs) achieve strong performance on visual reasoning tasks but remain highly susceptible to hallucination. Existing detection methods predominantly r…

cs.CV2026

Overthinking Causes Hallucination: Tracing Confounder Propagation in Vision Language Models

Abin Shoby, Ta Duc Huy, Tuan Dung Nguyen +6

Vision Language models (VLMs) often hallucinate non-existent objects. Detecting hallucination is analogous to detecting deception: a single final statement is insufficient, one mus…

cs.CV2025

From Healthy Scans to Annotated Tumors: A Tumor Fabrication Framework for 3D Brain MRI Synthesis

Nayu Dong, Townim Chowdhury, Hieu Phan +3

The scarcity of annotated Magnetic Resonance Imaging (MRI) tumor data presents a major obstacle to accurate and automated tumor segmentation. While existing data synthesis methods…

cs.CV2025

Looking in the mirror: A faithful counterfactual explanation method for interpreting deep image classification models

Townim Faisal Chowdhury, Vu Minh Hieu Phan, Kewen Liao +5

Counterfactual explanations (CFE) for deep image classifiers aim to reveal how minimal input changes lead to different model decisions, providing critical insights for model interp…

cs.CV2025

Seeing the Trees for the Forest: Rethinking Weakly-Supervised Medical Visual Grounding

Ta Duc Huy, Duy Anh Huynh, Yutong Xie +10

Visual grounding (VG) is the capability to identify the specific regions in an image associated with a particular text description. In medical imaging, VG enhances interpretability…

cs.CV2025★ 3 cited

Localizing Before Answering: A Hallucination Evaluation Benchmark for Grounded Medical Multimodal LLMs

Dung Nguyen, Minh Khoi Ho, Huy Ta +11

Medical Large Multi-modal Models (LMMs) have demonstrated remarkable capabilities in medical data interpretation. However, these models frequently generate hallucinations contradic…

cs.CV2025

Interactive Medical Image Analysis with Concept-based Similarity Reasoning

Ta Duc Huy, Sen Kim Tran, Phan Nguyen +7

The ability to interpret and intervene model decisions is important for the adoption of computer-aided diagnosis methods in clinical workflows. Recent concept-based methods link th…

cs.CV2024

A Survey of Medical Vision-and-Language Applications and Their Techniques

Qi Chen, Ruoshan Zhao, Sinuo Wang +9

Medical vision-and-language models (MVLMs) have attracted substantial interest due to their capability to offer a natural language interface for interpreting complex medical data.…

cs.CV2024

AdaCBM: An Adaptive Concept Bottleneck Model for Explainable and Accurate Diagnosis

Townim F. Chowdhury, Vu Minh Hieu Phan, Kewen Liao +5

The integration of vision-language models such as CLIP and Concept Bottleneck Models (CBMs) offers a promising approach to explaining deep neural network (DNN) decisions using conc…

cs.CV2024★ 1 cited

Structural Attention: Rethinking Transformer for Unpaired Medical Image Synthesis

Vu Minh Hieu Phan, Yutong Xie, Bowen Zhang +6

Unpaired medical image synthesis aims to provide complementary information for an accurate clinical diagnostics, and address challenges in obtaining aligned multi-modal medical sca…

cs.CV2024

CAPE: CAM as a Probabilistic Ensemble for Enhanced DNN Interpretation

Townim Faisal Chowdhury, Kewen Liao, Vu Minh Hieu Phan +7

Deep Neural Networks (DNNs) are widely used for visual classification tasks, but their complex computation process and black-box nature hinder decision transparency and interpretab…

cs.CV2024★ 2 cited

Decomposing Disease Descriptions for Enhanced Pathology Detection: A Multi-Aspect Vision-Language Pre-training Framework

Vu Minh Hieu Phan, Yutong Xie, Yuankai Qi +7

Medical vision language pre-training (VLP) has emerged as a frontier of research, enabling zero-shot pathological recognition by comparing the query image with the textual descript…

cs.CV2023

SegReg: Segmenting OARs by Registering MR Images and CT Annotations

Zeyu Zhang, Xuyin Qi, Bowen Zhang +8

Organ at risk (OAR) segmentation is a critical process in radiotherapy treatment planning such as head and neck tumors. Nevertheless, in clinical practice, radiation oncologists pr…