activity
20242026
most citedAn Image Grid Can Be Worth a Video: Zero-shot Video Question Answering Using a VLM

1 citations · 3 across the 15 of their papers we have counts for

collaborators

19 papers

cs.CL2026

Efficient Task Adaptation in Large Language Models: A Survey of Weight-Based, Prompt-Based, and Embedding-Based Adaptations

Jungwon Park, Changin Choi, Jimyeong Kim +2

As large language models are increasingly deployed across diverse downstream tasks, efficient task adaptation has emerged as a central challenge. In response, a wide range of task…

cs.LG2026

Beyond On-Policy Exploration: Integrating External Policy Rollouts for Reinforcement Learning in Diffusion Language Models

Wonseok Lee, Jimyeong Kim, Jungmin Ko +1

Recent reinforcement learning methods for diffusion large language models (dLLMs) commonly rely on on-policy rollouts generated by the target dLLM itself. When successful on-policy…

eess.SP2026

Personalized Deep Learning for Short-Term Forecasting of Impending Atrial Fibrillation from Continuous Wearable ECG Signals

Jangwon Suh, Soonil Kwon, Jungmin Ko +4

Background and Objective: Continuous wearable electrocardiogram (ECG) monitoring is increasingly used for ambulatory arrhythmia surveillance, yet forecasting impending atrial fibri…

cs.CV2026

Orthogonal Negative Guidance in Attention Feature Space for Text-to-Image Generation

Jungmin Ko, Jungwon Park, Jimyeong Kim +3

Text-to-image (T2I) models have become increasingly capable of generating high-quality images. Yet, enforcing the explicit absence of a specified object or attribute remains a fund…

cs.CL2026

When Confidence Misleads: Suffix Anchoring and Anchor-Proximity Confidence Modulation for Diffusion Language Models

Jungwon Park, Jimyeong Kim, Jungmin Ko +2

Diffusion language models generate text by iteratively selecting and denoising masked positions, making position selection a central inference-time decision. Most training-free met…

cs.CV2026

Selective Aggregation of Attention Maps Improves Diffusion-Based Visual Interpretation

Jungwon Park, Jungmin Ko, Dongnam Byun +1

Numerous studies on text-to-image (T2I) generative models have utilized cross-attention maps to boost application performance and interpret model behavior. However, the distinct ch…

cs.CV2025★ 1 cited

DOS: Directional Object Separation in Text Embeddings for Multi-Object Image Generation

Dongnam Byun, Jungwon Park, Jungmin Ko +2

Recent progress in text-to-image (T2I) generative models has led to significant improvements in generating high-quality images aligned with text prompts. However, these models stil…

cs.CV2025

Progressive Multimodal Search and Reasoning for Knowledge-Intensive Visual Question Answering

Changin Choi, Wonseok Lee, Jungmin Ko +1

Knowledge-intensive visual question answering (VQA) requires external knowledge beyond image content, demanding precise visual grounding and coherent integration of visual and text…

cs.CV2025

ReFlex: Text-Guided Editing of Real Images in Rectified Flow via Mid-Step Feature Extraction and Attention Adaptation

Jimyeong Kim, Jungwon Park, Yeji Song +2

Rectified Flow text-to-image models surpass diffusion models in image quality and text alignment, but adapting ReFlow for real-image editing remains challenging. We propose a new r…

cs.CL2025

Soft Head Selection for Injecting ICL-Derived Task Embeddings

Jungwon Park, Jimyeong Kim, Changin Choi +1

Large language models (LLMs) are commonly adapted to downstream tasks using parameter-efficient fine-tuning (PEFT) or in-context learning (ICL). Recently, ICL-driven embedding-base…

cs.LG2024

Task-Specific Preconditioner for Cross-Domain Few-Shot Learning

Suhyun Kang, Jungwon Park, Wonseok Lee +1

Cross-Domain Few-Shot Learning~(CDFSL) methods typically parameterize models with task-agnostic and task-specific parameters. To adapt task-specific parameters, recent approaches h…

cs.CV2024

Cross-Attention Head Position Patterns Can Align with Human Visual Concepts in Text-to-Image Generative Models

Jungwon Park, Jungmin Ko, Dongnam Byun +2

Recent text-to-image diffusion models leverage cross-attention layers, which have been effectively utilized to enhance a range of visual generative tasks. However, our understandin…

cs.SD2024

Enhancing Retrieval-Augmented Audio Captioning with Generation-Assisted Multimodal Querying and Progressive Learning

Choi Changin, Lim Sungjun, Rhee Wonjong

Retrieval-augmented generation can improve audio captioning by incorporating relevant audio-text pairs from a knowledge base. Existing methods typically rely solely on the input au…

cs.LG2024

Towards a Better Evaluation of Out-of-Domain Generalization

Duhun Hwang, Suhyun Kang, Moonjung Eo +2

The objective of Domain Generalization (DG) is to devise algorithms and models capable of achieving high performance on previously unseen test distributions. In the pursuit of this…

cs.CL2024

Unveiling Key Aspects of Fine-Tuning in Sentence Embeddings: A Representation Rank Analysis

Euna Jung, Jaeill Kim, Jungmin Ko +2

The latest advancements in unsupervised learning of sentence embeddings predominantly involve employing contrastive learning-based (CL-based) fine-tuning over pre-trained language…

cs.CV2024★ 1 cited

An Image Grid Can Be Worth a Video: Zero-shot Video Question Answering Using a VLM

Wonkyun Kim, Changin Choi, Wonseok Lee +1

Stimulated by the sophisticated reasoning capabilities of recent Large Language Models (LLMs), a variety of strategies for bridging video modality have been devised. A prominent st…

cs.CV2024★ 1 cited

Selectively Informative Description can Reduce Undesired Embedding Entanglements in Text-to-Image Personalization

Jimyeong Kim, Jungwon Park, Wonjong Rhee

In text-to-image personalization, a timely and crucial challenge is the tendency of generated images overfitting to the biases present in the reference images. We initiate our stud…

cs.CV2024

Harmonizing Visual and Textual Embeddings for Zero-Shot Text-to-Image Customization

Yeji Song, Jimyeong Kim, Wonhark Park +3

In a surge of text-to-image (T2I) models and their customization methods that generate new images of a user-provided subject, current works focus on alleviating the costs incurred…

cs.CV2024

On-Off Pattern Encoding and Path-Count Encoding as Deep Neural Network Representations

Euna Jung, Jaekeol Choi, EungGu Yun +1

Understanding the encoded representation of Deep Neural Networks (DNNs) has been a fundamental yet challenging objective. In this work, we focus on two possible directions for anal…