Search Results for author: Yonghyeon LEE

Found 8 papers, 3 papers with code

MMP++: Motion Manifold Primitives with Parametric Curve Models

1 code implementation26 Oct 2023 Yonghyeon LEE

Motion Manifold Primitives (MMP), a manifold-based approach for encoding basic motion skills, can produce diverse trajectories, enabling the system to adapt to unseen constraints.

Trajectory Planning

On Explicit Curvature Regularization in Deep Generative Models

no code implementations19 Sep 2023 Yonghyeon LEE, Frank Chongwoo Park

We propose a family of curvature-based regularization terms for deep generative model learning.

A Geometric Perspective on Autoencoders

no code implementations15 Sep 2023 Yonghyeon LEE

Given a set of high-dimensional data points that approximately lie on some lower-dimensional manifold, an autoencoder learns the \textit{manifold} and its \textit{coordinate chart}, simultaneously.

Evaluating Out-of-Distribution Detectors Through Adversarial Generation of Outliers

1 code implementation20 Aug 2022 Sangwoong Yoon, Jinwon Choi, Yonghyeon LEE, Yung-Kyun Noh, Frank Chongwoo Park

A reliable evaluation method is essential for building a robust out-of-distribution (OOD) detector.

Neighborhood Reconstructing Autoencoders

1 code implementation NeurIPS 2021 Yonghyeon LEE, Hyeokjun Kwon, Frank Park

Unlike existing graph-based methods that attempt to encode the training data to some prescribed latent space distribution -- one consequence being that only the encoder is the object of the regularization -- NRAE merges local connectivity information contained in the neighborhood graphs with local quadratic approximations of the decoder function to formulate a new neighborhood reconstruction loss.

Denoising

Regularized Autoencoders for Isometric Representation Learning

no code implementations ICLR 2022 Yonghyeon LEE, Sangwoong Yoon, MinJun Son, Frank C. Park

The recent success of autoencoders for representation learning can be traced in large part to the addition of a regularization term.

Information Retrieval Representation Learning +1

Adversarial Distributions Against Out-of-Distribution Detectors

no code implementations29 Sep 2021 Sangwoong Yoon, Jinwon Choi, Yonghyeon LEE, Yung-Kyun Noh, Frank C. Park

As an outlier may deviate from the training distribution in unexpected ways, an ideal OOD detector should be able to detect all types of outliers.

Out of Distribution (OOD) Detection

A Statistical Manifold Framework for Point Cloud Data

no code implementations29 Sep 2021 Yonghyeon LEE, Seungyeon Kim, Jinwon Choi, Frank C. Park

The only requirement on the part of the user is the choice of a meaningful underlying probability distribution, which is more intuitive and natural to make than what is required in existing ad hoc formulations.

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