Search Results for author: Jong-June Jeon

Found 9 papers, 4 papers with code

Balanced Marginal and Joint Distributional Learning via Mixture Cramer-Wold Distance

no code implementations6 Dec 2023 SeungHwan An, Sungchul Hong, Jong-June Jeon

This measure enables us to capture both marginal and joint distributional information simultaneously, as it incorporates a mixture measure with point masses on standard basis vectors.

Synthetic Data Generation

Joint Distributional Learning via Cramer-Wold Distance

no code implementations25 Oct 2023 SeungHwan An, Jong-June Jeon

The assumption of conditional independence among observed variables, primarily used in the Variational Autoencoder (VAE) decoder modeling, has limitations when dealing with high-dimensional datasets or complex correlation structures among observed variables.

Synthetic Data Generation

Uniform Pessimistic Risk and Optimal Portfolio

no code implementations2 Mar 2023 Sungchul Hong, Jong-June Jeon

The optimality of allocating assets has been widely discussed with the theoretical analysis of risk measures.

Interpretable Water Level Forecaster with Spatiotemporal Causal Attention Mechanisms

no code implementations28 Feb 2023 Sunghcul Hong, Yunjin Choi, Jong-June Jeon

In real data analysis, we use the Han River dataset from 2016 to 2021, compare the proposed model with deep learning models, and confirm that our model provides an interpretable and consistent model with prior knowledge, such as a seasonality arising from the tidal force.

Time Series Analysis

Causally Disentangled Generative Variational AutoEncoder

1 code implementation23 Feb 2023 SeungHwan An, Kyungwoo Song, Jong-June Jeon

We present a new supervised learning technique for the Variational AutoEncoder (VAE) that allows it to learn a causally disentangled representation and generate causally disentangled outcomes simultaneously.

Disentanglement

Distributional Learning of Variational AutoEncoder: Application to Synthetic Data Generation

1 code implementation NeurIPS 2023 SeungHwan An, Jong-June Jeon

The Gaussianity assumption has been consistently criticized as a main limitation of the Variational Autoencoder (VAE) despite its efficiency in computational modeling.

Synthetic Data Generation

EXoN: EXplainable encoder Network

1 code implementation23 May 2021 SeungHwan An, Hosik Choi, Jong-June Jeon

To improve the performance of our VAE in a classification task without the loss of performance as a generative model, we employ a new semi-supervised classification method called SCI (Soft-label Consistency Interpolation).

Classification

Primal path algorithm for compositional data analysis

no code implementations21 Dec 2018 Jong-June Jeon, Yongdai Kim, Sungho Won, Hosik Choi

To reflect these characteristics, a specific regularized regression model with linear constraints is commonly used.

General Classification regression

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