activity
20222026
most citedGeodesic Multi-Modal Mixup for Robust Fine-Tuning

11 citations · 16 across the 11 of their papers we have counts for

collaborators

13 papers

cs.CL2026

OpenHalDet: A Unified Benchmark for Hallucination Detection across Diverse Generation Scenarios

Xinyi Li, Zhen Fang, Yongxin Deng +12

Hallucination detection is essential for the reliable deployment of large language models (LLMs). However, existing evaluations face two core challenges: inconsistent inference con…

cs.CV2026

VAUQ: Vision-Aware Uncertainty Quantification for LVLM Self-Evaluation

Seongheon Park, Changdae Oh, Hyeong Kyu Choi +2

Large Vision-Language Models (LVLMs) frequently hallucinate, limiting their safe deployment in real-world applications. Existing LLM self-evaluation methods rely on a model's abili…

cs.AI2025

Visual Instruction Bottleneck Tuning

Changdae Oh, Jiatong Li, Shawn Im +1

Despite widespread adoption, multimodal large language models (MLLMs) suffer performance degradation when encountering unfamiliar queries under distribution shifts. Existing method…

cs.AI2025★ 1 cited

Understanding Multimodal LLMs Under Distribution Shifts: An Information-Theoretic Approach

Changdae Oh, Zhen Fang, Shawn Im +2

Multimodal large language models (MLLMs) have shown promising capabilities but struggle under distribution shifts, where evaluation data differ from instruction tuning distribution…

cs.LG2024★ 1 cited

DaWin: Training-free Dynamic Weight Interpolation for Robust Adaptation

Changdae Oh, Yixuan Li, Kyungwoo Song +2

Adapting a pre-trained foundation model on downstream tasks should ensure robustness against distribution shifts without the need to retrain the whole model. Although existing weig…

cs.LG2024

Perturb-and-Compare Approach for Detecting Out-of-Distribution Samples in Constrained Access Environments

Heeyoung Lee, Hoyoon Byun, Changdae Oh +2

Accessing machine learning models through remote APIs has been gaining prevalence following the recent trend of scaling up model parameters for increased performance. Even though t…

cs.CV2024

Robust Adaptation of Foundation Models with Black-Box Visual Prompting

Changdae Oh, Gyeongdeok Seo, Geunyoung Jung +4

With a surge of large-scale pre-trained models, parameter-efficient transfer learning (PETL) of large models has garnered significant attention. While promising, they commonly rely…

cs.CL2024

Mitigating the Linguistic Gap with Phonemic Representations for Robust Cross-lingual Transfer

Haeji Jung, Changdae Oh, Jooeon Kang +4

Approaches to improving multilingual language understanding often struggle with significant performance gaps between high-resource and low-resource languages. While there are effor…

cs.CV2023★ 1 cited

Towards Calibrated Robust Fine-Tuning of Vision-Language Models

Changdae Oh, Hyesu Lim, Mijoo Kim +6

Improving out-of-distribution (OOD) generalization during in-distribution (ID) adaptation is a primary goal of robust fine-tuning of zero-shot models beyond naive fine-tuning. Howe…

cs.CV2023★ 1 cited

BlackVIP: Black-Box Visual Prompting for Robust Transfer Learning

Changdae Oh, Hyeji Hwang, Hee-young Lee +5

With the surge of large-scale pre-trained models (PTMs), fine-tuning these models to numerous downstream tasks becomes a crucial problem. Consequently, parameter efficient transfer…

cs.LG2022★ 1 cited

Graph Perceiver IO: A General Architecture for Graph Structured Data

Seyun Bae, Hoyoon Byun, Changdae Oh +2

Multimodal machine learning has been widely studied for the development of general intelligence. Recently, the Perceiver and Perceiver IO, show competitive results for diverse data…

cs.LG2022

Learning Fair Representation via Distributional Contrastive Disentanglement

Changdae Oh, Heeji Won, Junhyuk So +4

Learning fair representation is crucial for achieving fairness or debiasing sensitive information. Most existing works rely on adversarial representation learning to inject some in…

cs.CV2022★ 11 cited

Geodesic Multi-Modal Mixup for Robust Fine-Tuning

Changdae Oh, Junhyuk So, Hoyoon Byun +4

Pre-trained multi-modal models, such as CLIP, provide transferable embeddings and show promising results in diverse applications. However, the analysis of learned multi-modal embed…