Search Results for author: Joonhyung Park

Found 6 papers, 2 papers with code

PC-Adapter: Topology-Aware Adapter for Efficient Domain Adaption on Point Clouds with Rectified Pseudo-label

no code implementations ICCV 2023 Joonhyung Park, Hyunjin Seo, Eunho Yang

Understanding point clouds captured from the real-world is challenging due to shifts in data distribution caused by varying object scales, sensor angles, and self-occlusion.

Domain Adaptation Pseudo Label +1

SGEM: Test-Time Adaptation for Automatic Speech Recognition via Sequential-Level Generalized Entropy Minimization

1 code implementation3 Jun 2023 Changhun Kim, Joonhyung Park, Hajin Shim, Eunho Yang

Automatic speech recognition (ASR) models are frequently exposed to data distribution shifts in many real-world scenarios, leading to erroneous predictions.

Automatic Speech Recognition Automatic Speech Recognition (ASR) +2

TAM: Topology-Aware Margin Loss for Class-Imbalanced Node Classification

1 code implementation26 Jun 2022 Jaeyun Song, Joonhyung Park, Eunho Yang

Learning unbiased node representations under class-imbalanced graph data is challenging due to interactions between adjacent nodes.

Node Classification

Saliency Grafting: Innocuous Attribution-Guided Mixup with Calibrated Label Mixing

no code implementations16 Dec 2021 Joonhyung Park, June Yong Yang, Jinwoo Shin, Sung Ju Hwang, Eunho Yang

However, they now suffer from lack of sample diversification as they always deterministically select regions with maximum saliency, injecting bias into the augmented data.

Graph Transplant: Node Saliency-Guided Graph Mixup with Local Structure Preservation

no code implementations10 Nov 2021 Joonhyung Park, Hajin Shim, Eunho Yang

Graph-structured datasets usually have irregular graph sizes and connectivities, rendering the use of recent data augmentation techniques, such as Mixup, difficult.

Data Augmentation Graph Classification

GraphENS: Neighbor-Aware Ego Network Synthesis for Class-Imbalanced Node Classification

no code implementations ICLR 2022 Joonhyung Park, Jaeyun Song, Eunho Yang

In many real-world node classification scenarios, nodes are highly class-imbalanced, where graph neural networks (GNNs) can be readily biased to major class instances.

Blocking Classification +1

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