Search Results for author: KiJung Yoon

Found 6 papers, 2 papers with code

Osteoporosis Prediction from Hand and Wrist X-rays using Image Segmentation and Self-Supervised Learning

no code implementations12 Nov 2023 Hyungeun Lee, Ung Hwang, Seungwon Yu, Chang-Hun Lee, KiJung Yoon

Osteoporosis is a widespread and chronic metabolic bone disease that often remains undiagnosed and untreated due to limited access to bone mineral density (BMD) tests like Dual-energy X-ray absorptiometry (DXA).

Image Segmentation Self-Supervised Learning +1

Towards Better Generalization with Flexible Representation of Multi-Module Graph Neural Networks

no code implementations14 Sep 2022 Hyungeun Lee, KiJung Yoon

Graph neural networks (GNNs) have become compelling models designed to perform learning and inference on graph-structured data.

Two-argument activation functions learn soft XOR operations like cortical neurons

no code implementations13 Oct 2021 KiJung Yoon, Emin Orhan, Juhyun Kim, Xaq Pitkow

Neurons in the brain are complex machines with distinct functional compartments that interact nonlinearly.

Vocal Bursts Valence Prediction

Inference in Probabilistic Graphical Models by Graph Neural Networks

1 code implementation21 Mar 2018 KiJung Yoon, Renjie Liao, Yuwen Xiong, Lisa Zhang, Ethan Fetaya, Raquel Urtasun, Richard Zemel, Xaq Pitkow

Message-passing algorithms, such as belief propagation, are a natural way to disseminate evidence amongst correlated variables while exploiting the graph structure, but these algorithms can struggle when the conditional dependency graphs contain loops.

Decision Making

Reviving and Improving Recurrent Back-Propagation

1 code implementation ICML 2018 Renjie Liao, Yuwen Xiong, Ethan Fetaya, Lisa Zhang, KiJung Yoon, Xaq Pitkow, Raquel Urtasun, Richard Zemel

We examine all RBP variants along with BPTT and TBPTT in three different application domains: associative memory with continuous Hopfield networks, document classification in citation networks using graph neural networks and hyperparameter optimization for fully connected networks.

Document Classification Hyperparameter Optimization

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