Search Results for author: Songkuk Kim

Found 10 papers, 3 papers with code

FLex&Chill: Improving Local Federated Learning Training with Logit Chilling

no code implementations18 Jan 2024 Kichang Lee, Songkuk Kim, JeongGil Ko

Federated learning are inherently hampered by data heterogeneity: non-iid distributed training data over local clients.

Federated Learning

On the Role of ViT and CNN in Semantic Communications: Analysis and Prototype Validation

no code implementations5 Jun 2023 Hanju Yoo, Linglong Dai, Songkuk Kim, Chan-Byoung Chae

Semantic communications have shown promising advancements by optimizing source and channel coding jointly.

Curved Representation Space of Vision Transformers

no code implementations11 Oct 2022 Juyeop Kim, Junha Park, Songkuk Kim, Jong-Seok Lee

In this paper, we focus on the phenomenon that Transformers show higher robustness against corruptions than CNNs, while not being overconfident.

Demo: Real-Time Semantic Communications with a Vision Transformer

no code implementations8 May 2022 Hanju Yoo, Taehun Jung, Linglong Dai, Songkuk Kim, Chan-Byoung Chae

Semantic communications are expected to enable the more effective delivery of meaning rather than a precise transfer of symbols.

How Do Vision Transformers Work?

3 code implementations ICLR 2022 Namuk Park, Songkuk Kim

In particular, we demonstrate the following properties of MSAs and Vision Transformers (ViTs): (1) MSAs improve not only accuracy but also generalization by flattening the loss landscapes.

Specificity

Blurs Behave Like Ensembles: Spatial Smoothings to Improve Accuracy, Uncertainty, and Robustness

2 code implementations26 May 2021 Namuk Park, Songkuk Kim

Neural network ensembles, such as Bayesian neural networks (BNNs), have shown success in the areas of uncertainty estimation and robustness.

Differentiable Bayesian Neural Network Inference for Data Streams

no code implementations25 Sep 2019 Namuk Park, Taekyu Lee, Songkuk Kim

Instead of generating separate prediction for each data sample independently, this model estimates the increments of prediction for a new data sample from the previous predictions.

Semantic Segmentation

Vector Quantized Bayesian Neural Network Inference for Data Streams

1 code implementation12 Jul 2019 Namuk Park, Taekyu Lee, Songkuk Kim

The computational cost of this model is almost the same as that of non-Bayesian NNs.

Semantic Segmentation

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