Search Results for author: Kiwon Lee

Found 3 papers, 0 papers with code

Autoencoder-based Graph Construction for Semi-supervised Learning

no code implementations ECCV 2020 Mingeun Kang, Kiwon Lee, Yong H. Lee, Changho Suh

We consider graph-based semi-supervised learning that leverages a similarity graph across data points to better exploit data structure exposed in unlabeled data.

graph construction Matrix Completion

Trajectory of Mini-Batch Momentum: Batch Size Saturation and Convergence in High Dimensions

no code implementations2 Jun 2022 Kiwon Lee, Andrew N. Cheng, Courtney Paquette, Elliot Paquette

We analyze the dynamics of large batch stochastic gradient descent with momentum (SGD+M) on the least squares problem when both the number of samples and dimensions are large.

SGD in the Large: Average-case Analysis, Asymptotics, and Stepsize Criticality

no code implementations8 Feb 2021 Courtney Paquette, Kiwon Lee, Fabian Pedregosa, Elliot Paquette

We propose a new framework, inspired by random matrix theory, for analyzing the dynamics of stochastic gradient descent (SGD) when both number of samples and dimensions are large.

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