activity
20192026
most citedImproving Diffusion Models for Inverse Problems using Manifold Constraints

102 citations · 118 across the 9 of their papers we have counts for

collaborators

10 papers

cs.LG2026

Reward Sharpness-Aware Fine-Tuning for Diffusion Models

Kwanyoung Kim, Byeongsu Sim

Reinforcement learning from human feedback (RLHF) has proven effective in aligning large language models with human preferences, inspiring the development of reward-centric diffusi…

cs.LG2025

PLADIS: Pushing the Limits of Attention in Diffusion Models at Inference Time by Leveraging Sparsity

Kwanyoung Kim, Byeongsu Sim

Diffusion models have shown impressive results in generating high-quality conditional samples using guidance techniques such as Classifier-Free Guidance (CFG). However, existing me…

cs.CV2024

Derivative-Free Diffusion Manifold-Constrained Gradient for Unified XAI

Won Jun Kim, Hyungjin Chung, Jaemin Kim +3

Gradient-based methods are a prototypical family of explainability techniques, especially for image-based models. Nonetheless, they have several shortcomings in that they (1) requi…

cs.LG2022

Magnitude and Angle Dynamics in Training Single ReLU Neurons

Sangmin Lee, Byeongsu Sim, Jong Chul Ye

To understand learning the dynamics of deep ReLU networks, we investigate the dynamic system of gradient flow by decomposing it to magnitude and angle $ϕ(t):= π- θ(t)…

cs.LG2022★ 102 cited

Improving Diffusion Models for Inverse Problems using Manifold Constraints

Hyungjin Chung, Byeongsu Sim, Dohoon Ryu +1

Recently, diffusion models have been used to solve various inverse problems in an unsupervised manner with appropriate modifications to the sampling process. However, the current s…

cs.LG2022

Support Vectors and Gradient Dynamics of Single-Neuron ReLU Networks

Sangmin Lee, Byeongsu Sim, Jong Chul Ye

Understanding implicit bias of gradient descent for generalization capability of ReLU networks has been an important research topic in machine learning research. Unfortunately, eve…