activity
20202026
most citedCUDA: Curriculum of Data Augmentation for Long-Tailed Recognition

15 citations · 21 across the 11 of their papers we have counts for

collaborators

11 papers

cs.LG2026

PLC-DPO: Posterior Label Correction in Noisy and Ambiguous Preference Optimization

Boryeong Cho, Sumyeong Ahn, Se-Young Yun

Direct Preference Optimization (DPO) simplifies alignment through pairwise comparisons but assumes all observed preferences are reliable. Real data often violates this assumption,…

cs.LG2026

FOAM: Frequency and Operator Error-Based Adaptive Damping Method for Reducing Staleness-Oriented Error for Shampoo

Kyunghun Nam, Sumyeong Ahn

Shampoo is attracting considerable attention for its superior performance on large-scale optimization benchmarks; yet it faces a significant practical bottleneck: the prohibitive c…

cs.CV2026

Stage-wise Attention-Guided Region Sequencing for Adversarial Attacks on Large Vision-Language Models

Jaehyun Kwak, Nam Cao, Boryeong Cho +3

Targeted adversarial attacks on Large Vision-Language Models (LVLMs) test whether small image perturbations can steer model responses toward attacker-specified content. Under the s…

cs.CV2024

VACoDe: Visual Augmented Contrastive Decoding

Sihyeon Kim, Boryeong Cho, Sangmin Bae +2

Despite the astonishing performance of recent Large Vision-Language Models (LVLMs), these models often generate inaccurate responses. To address this issue, previous studies have f…

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.LG2023★ 2 cited

Fine tuning Pre trained Models for Robustness Under Noisy Labels

Sumyeong Ahn, Sihyeon Kim, Jongwoo Ko +1

The presence of noisy labels in a training dataset can significantly impact the performance of machine learning models. To tackle this issue, researchers have explored methods for…

cs.CL2023

NASH: A Simple Unified Framework of Structured Pruning for Accelerating Encoder-Decoder Language Models

Jongwoo Ko, Seungjoon Park, Yujin Kim +4

Structured pruning methods have proven effective in reducing the model size and accelerating inference speed in various network architectures such as Transformers. Despite the vers…

cs.CV2023★ 15 cited

CUDA: Curriculum of Data Augmentation for Long-Tailed Recognition

Sumyeong Ahn, Jongwoo Ko, Se-Young Yun

Class imbalance problems frequently occur in real-world tasks, and conventional deep learning algorithms are well known for performance degradation on imbalanced training datasets.…

cs.LG2022

Denoising after Entropy-based Debiasing A Robust Training Method for Dataset Bias with Noisy Labels

Sumyeong Ahn, Se-Young Yun

Improperly constructed datasets can result in inaccurate inferences. For instance, models trained on biased datasets perform poorly in terms of generalization (i.e., dataset bias).…

cs.LG2022★ 3 cited

Mitigating Dataset Bias by Using Per-sample Gradient

Sumyeong Ahn, Seongyoon Kim, Se-young Yun

The performance of deep neural networks is strongly influenced by the training dataset setup. In particular, when attributes having a strong correlation with the target attribute a…

cs.LG2020★ 1 cited

Enlarging Discriminative Power by Adding an Extra Class in Unsupervised Domain Adaptation

Hai H. Tran, Sumyeong Ahn, Taeyoung Lee +1

In this paper, we study the problem of unsupervised domain adaptation that aims at obtaining a prediction model for the target domain using labeled data from the source domain and…