activity
20202026
most citedPatch-Mix Contrastive Learning with Audio Spectrogram Transformer on Respiratory Sound Classification

64 citations · 152 across the 23 of their papers we have counts for

collaborators

24 papers

cs.CL2026

PerMix-RLVR: Preserving Persona Expressivity under Verifiable-Reward Alignment

Jihwan Oh, Soowon Oh, Murad Aghazada +3

Persona prompting has been widely adopted to steer large language models (LLMs) behavior and improve their instruction performance by assigning specific characters. However, identi…

eess.AS2025

Scalable Frameworks for Real-World Audio-Visual Speech Recognition

Sungnyun Kim

The practical deployment of Audio-Visual Speech Recognition (AVSR) systems is fundamentally challenged by significant performance degradation in real-world environments, characteri…

eess.AS2025

Two Heads Are Better Than One: Audio-Visual Speech Error Correction with Dual Hypotheses

Sungnyun Kim, Kangwook Jang, Sungwoo Cho +3

This paper introduces a new paradigm for generative error correction (GER) framework in audio-visual speech recognition (AVSR) that reasons over modality-specific evidences directl…

cs.CL2025

Mixture-of-Recursions: Learning Dynamic Recursive Depths for Adaptive Token-Level Computation

Sangmin Bae, Yujin Kim, Reza Bayat +8

Scaling language models unlocks impressive capabilities, but the accompanying computational and memory demands make both training and deployment expensive. Existing efficiency effo…

cs.CL2025

Flex-Judge: Text-Only Reasoning Unleashes Zero-Shot Multimodal Evaluators

Jongwoo Ko, Sungnyun Kim, Sungwoo Cho +1

Human-generated reward signals are critical for aligning generative models with human preferences, guiding both training and inference-time evaluations. While large language models…

eess.AS2025

Multi-Task Corrupted Prediction for Learning Robust Audio-Visual Speech Representation

Sungnyun Kim, Sungwoo Cho, Sangmin Bae +2

Audio-visual speech recognition (AVSR) incorporates auditory and visual modalities to improve recognition accuracy, particularly in noisy environments where audio-only speech syste…

eess.AS2025

MAVFlow: Preserving Paralinguistic Elements with Conditional Flow Matching for Zero-Shot AV2AV Multilingual Translation

Sungwoo Cho, Jeongsoo Choi, Sungnyun Kim +1

Despite recent advances in text-to-speech (TTS) models, audio-visual-to-audio-visual (AV2AV) translation still faces a critical challenge: maintaining speaker consistency between t…

cs.CL2025

DistiLLM-2: A Contrastive Approach Boosts the Distillation of LLMs

Jongwoo Ko, Tianyi Chen, Sungnyun Kim +4

Despite the success of distillation in large language models (LLMs), most prior work applies identical loss functions to both teacher- and student-generated data. These strategies…

eess.AS2025

MoHAVE: Mixture of Hierarchical Audio-Visual Experts for Robust Speech Recognition

Sungnyun Kim, Kangwook Jang, Sangmin Bae +2

Audio-visual speech recognition (AVSR) has become critical for enhancing speech recognition in noisy environments by integrating both auditory and visual modalities. However, exist…

cs.CV2024

DocKD: Knowledge Distillation from LLMs for Open-World Document Understanding Models

Sungnyun Kim, Haofu Liao, Srikar Appalaraju +6

Visual document understanding (VDU) is a challenging task that involves understanding documents across various modalities (text and image) and layouts (forms, tables, etc.). This s…

cs.LG2024

Diffusion-based Episodes Augmentation for Offline Multi-Agent Reinforcement Learning

Jihwan Oh, Sungnyun Kim, Gahee Kim +2

Offline multi-agent reinforcement learning (MARL) is increasingly recognized as crucial for effectively deploying RL algorithms in environments where real-time interaction is impra…

eess.AS2024

Learning Video Temporal Dynamics with Cross-Modal Attention for Robust Audio-Visual Speech Recognition

Sungnyun Kim, Kangwook Jang, Sangmin Bae +2

Audio-visual speech recognition (AVSR) aims to transcribe human speech using both audio and video modalities. In practical environments with noise-corrupted audio, the role of vide…

cs.CV2024

FedDr+: Stabilizing Dot-regression with Global Feature Distillation for Federated Learning

Seongyoon Kim, Minchan Jeong, Sungnyun Kim +3

Federated Learning (FL) has emerged as a pivotal framework for the development of effective global models (global FL) or personalized models (personalized FL) across clients with h…

cs.CL2024★ 4 cited

DistiLLM: Towards Streamlined Distillation for Large Language Models

Jongwoo Ko, Sungnyun Kim, Tianyi Chen +1

Knowledge distillation (KD) is widely used for compressing a teacher model to a smaller student model, reducing its inference cost and memory footprint while preserving model capab…

cs.SD2023

STaR: Distilling Speech Temporal Relation for Lightweight Speech Self-Supervised Learning Models

Kangwook Jang, Sungnyun Kim, Hoirin Kim

Albeit great performance of Transformer-based speech selfsupervised learning (SSL) models, their large parameter size and computational cost make them unfavorable to utilize. In th…

cs.CV2023★ 3 cited

DiffBlender: Composable and Versatile Multimodal Text-to-Image Diffusion Models

Sungnyun Kim, Junsoo Lee, Kibeom Hong +2

In this study, we aim to enhance the capabilities of diffusion-based text-to-image (T2I) generation models by integrating diverse modalities beyond textual descriptions within a un…

eess.AS2023★ 64 cited

Patch-Mix Contrastive Learning with Audio Spectrogram Transformer on Respiratory Sound Classification

Sangmin Bae, June-Woo Kim, Won-Yang Cho +7

Respiratory sound contains crucial information for the early diagnosis of fatal lung diseases. Since the COVID-19 pandemic, there has been a growing interest in contact-free medica…

eess.AS2023★ 6 cited

Recycle-and-Distill: Universal Compression Strategy for Transformer-based Speech SSL Models with Attention Map Reusing and Masking Distillation

Kangwook Jang, Sungnyun Kim, Se-Young Yun +1

Transformer-based speech self-supervised learning (SSL) models, such as HuBERT, show surprising performance in various speech processing tasks. However, huge number of parameters i…

cs.CV2023

Coreset Sampling from Open-Set for Fine-Grained Self-Supervised Learning

Sungnyun Kim, Sangmin Bae, Se-Young Yun

Deep learning in general domains has constantly been extended to domain-specific tasks requiring the recognition of fine-grained characteristics. However, real-world applications f…

cs.LG2022★ 1 cited

How to Fine-tune Models with Few Samples: Update, Data Augmentation, and Test-time Augmentation

Yujin Kim, Jaehoon Oh, Sungnyun Kim +1

Most of the recent few-shot learning (FSL) algorithms are based on transfer learning, where a model is pre-trained using a large amount of source data, and the pre-trained model is…

cs.CV2022★ 13 cited

ReFine: Re-randomization before Fine-tuning for Cross-domain Few-shot Learning

Jaehoon Oh, Sungnyun Kim, Namgyu Ho +3

Cross-domain few-shot learning (CD-FSL), where there are few target samples under extreme differences between source and target domains, has recently attracted huge attention. Rece…

cs.LG2022★ 7 cited

Understanding Cross-Domain Few-Shot Learning Based on Domain Similarity and Few-Shot Difficulty

Jaehoon Oh, Sungnyun Kim, Namgyu Ho +3

Cross-domain few-shot learning (CD-FSL) has drawn increasing attention for handling large differences between the source and target domains--an important concern in real-world scen…

cs.LG2021★ 1 cited

Self-Contrastive Learning: Single-viewed Supervised Contrastive Framework using Sub-network

Sangmin Bae, Sungnyun Kim, Jongwoo Ko +3

Contrastive loss has significantly improved performance in supervised classification tasks by using a multi-viewed framework that leverages augmentation and label information. The…

cs.CV2020★ 53 cited

MixCo: Mix-up Contrastive Learning for Visual Representation

Sungnyun Kim, Gihun Lee, Sangmin Bae +1

Contrastive learning has shown remarkable results in recent self-supervised approaches for visual representation. By learning to contrast positive pairs' representation from the co…