activity
20192024
most citedConsistency Trajectory Models: Learning Probability Flow ODE Trajectory of Diffusion

16 citations · 61 across the 13 of their papers we have counts for

collaborators

13 papers

cs.LG2024

Training Unbiased Diffusion Models From Biased Dataset

Yeongmin Kim, Byeonghu Na, Minsang Park +4

With significant advancements in diffusion models, addressing the potential risks of dataset bias becomes increasingly important. Since generated outputs directly suffer from datas…

cs.LG2023

Manifold Preserving Guided Diffusion

Yutong He, Naoki Murata, Chieh-Hsin Lai +8

Despite the recent advancements, conditional image generation still faces challenges of cost, generalizability, and the need for task-specific training. In this paper, we propose M…

cs.LG2023★ 16 cited

Consistency Trajectory Models: Learning Probability Flow ODE Trajectory of Diffusion

Dongjun Kim, Chieh-Hsin Lai, Wei-Hsiang Liao +6

Consistency Models (CM) (Song et al., 2023) accelerate score-based diffusion model sampling at the cost of sample quality but lack a natural way to trade-off quality for speed. To…

cs.CV2022★ 13 cited

Refining Generative Process with Discriminator Guidance in Score-based Diffusion Models

Dongjun Kim, Yeongmin Kim, Se Jung Kwon +2

The proposed method, Discriminator Guidance, aims to improve sample generation of pre-trained diffusion models. The approach introduces a discriminator that gives explicit supervis…

cs.LG2022★ 10 cited

Maximum Likelihood Training of Implicit Nonlinear Diffusion Models

Dongjun Kim, Byeonghu Na, Se Jung Kwon +3

Whereas diverse variations of diffusion models exist, extending the linear diffusion into a nonlinear diffusion process is investigated by very few works. The nonlinearity effect h…

cs.AI2022

Automatic Calibration Framework of Agent-Based Models for Dynamic and Heterogeneous Parameters

Dongjun Kim, Tae-Sub Yun, Il-Chul Moon +1

Agent-based models (ABMs) highlight the importance of simulation validation, such as qualitative face validation and quantitative empirical validation. In particular, we focused on…

cs.LG2021★ 11 cited

Soft Truncation: A Universal Training Technique of Score-based Diffusion Model for High Precision Score Estimation

Dongjun Kim, Seungjae Shin, Kyungwoo Song +2

Recent advances in diffusion models bring state-of-the-art performance on image generation tasks. However, empirical results from previous research in diffusion models imply an inv…

cs.LG2021

Neural Posterior Regularization for Likelihood-Free Inference

Dongjun Kim, Kyungwoo Song, Seungjae Shin +3

A simulation is useful when the phenomenon of interest is either expensive to regenerate or irreproducible with the same context. Recently, Bayesian inference on the distribution o…

stat.ME2020

Sequential Likelihood-Free Inference with Neural Proposal

Dongjun Kim, Kyungwoo Song, YoonYeong Kim +4

Bayesian inference without the likelihood evaluation, or likelihood-free inference, has been a key research topic in simulation studies for gaining quantitatively validated simulat…

cs.LG2020★ 1 cited

Implicit Kernel Attention

Kyungwoo Song, Yohan Jung, Dongjun Kim +1

\textit{Attention} computes the dependency between representations, and it encourages the model to focus on the important selective features. Attention-based models, such as Transf…

cs.LG2020★ 2 cited

Adversarial Likelihood-Free Inference on Black-Box Generator

Dongjun Kim, Weonyoung Joo, Seungjae Shin +2

Generative Adversarial Network (GAN) can be viewed as an implicit estimator of a data distribution, and this perspective motivates using the adversarial concept in the true input p…

cs.LG2020★ 8 cited

Generalized Gumbel-Softmax Gradient Estimator for Generic Discrete Random Variables

Weonyoung Joo, Dongjun Kim, Seungjae Shin +1

Estimating the gradients of stochastic nodes in stochastic computational graphs is one of the crucial research questions in the deep generative modeling community, which enables th…

cs.MA2019

Automatic Calibration of Dynamic and Heterogeneous Parameters in Agent-based Model

Dongjun Kim, Tae-Sub Yun, Il-Chul Moon

While simulations have been utilized in diverse domains, such as urban growth modeling, market dynamics modeling, etc; some of these applications may require validations based upon…