activity
20182026
most citedConcise Logarithmic Loss Function for Robust Training of Anomaly Detection Model

7 citations · 15 across the 18 of their papers we have counts for

collaborators

18 papers

cs.CV2026

WSPolypNet: Weakly Supervised Polyp Localization in Colonoscopy Videos

Giseong Hwang, Minjae Jo, Yeonghyeon Park +9

Because dense frame-level annotation of colonoscopy videos is costly, we propose WSPolypNet, a weakly supervised framework for polyp localization using only video-level labels. WSP…

physics.med-ph2026

Dosimetric Impact of Hidden Input Parameters in Inverse Optimization Algorithms for GYN HDR Brachytherapy

YeongHyeon Park, Shiqin Su, Sarath Vijayan +3

Inverse optimization (IO) algorithms are used in GYN HDR brachytherapy planning, with user parameter settings embedded in commercial TPS. To examine the dosimetric influence of hid…

cs.LG2025

ARMA Block: A CNN-Based Autoregressive and Moving Average Module for Long-Term Time Series Forecasting

Myung Jin Kim, YeongHyeon Park, Il Dong Yun

This paper proposes a simple yet effective convolutional module for long-term time series forecasting. The proposed block, inspired by the Auto-Regressive Integrated Moving Average…

cs.CV2024

Contrastive Language Prompting to Ease False Positives in Medical Anomaly Detection

YeongHyeon Park, Myung Jin Kim, Hyeong Seok Kim

A pre-trained visual-language model, contrastive language-image pre-training (CLIP), successfully accomplishes various downstream tasks with text prompts, such as finding images or…

cs.CV2023★ 1 cited

Excision And Recovery: Visual Defect Obfuscation Based Self-Supervised Anomaly Detection Strategy

YeongHyeon Park, Sungho Kang, Myung Jin Kim +3

Due to scarcity of anomaly situations in the early manufacturing stage, an unsupervised anomaly detection (UAD) approach is widely adopted which only uses normal samples for traini…

cs.CV2023

Neural Network Training Strategy to Enhance Anomaly Detection Performance: A Perspective on Reconstruction Loss Amplification

YeongHyeon Park, Sungho Kang, Myung Jin Kim +4

Unsupervised anomaly detection (UAD) is a widely adopted approach in industry due to rare anomaly occurrences and data imbalance. A desirable characteristic of an UAD model is cont…

cs.SD2023

Edge Storage Management Recipe with Zero-Shot Data Compression for Road Anomaly Detection

YeongHyeon Park, Uju Gim, Myung Jin Kim

Recent studies show edge computing-based road anomaly detection systems which may also conduct data collection simultaneously. However, the edge computers will have small data stor…

cs.LG2022

Frequency of Interest-based Noise Attenuation Method to Improve Anomaly Detection Performance

YeongHyeon Park, Myung Jin Kim, Won Seok Park

Accurately extracting driving events is the way to maximize computational efficiency and anomaly detection performance in the tire frictional nose-based anomaly detection task. Thi…

cs.CV2022

Latent Vector Expansion using Autoencoder for Anomaly Detection

UJu Gim, YeongHyeon Park

Deep learning methods can classify various unstructured data such as images, language, and voice as input data. As the task of classifying anomalies becomes more important in the r…

cs.LG2022★ 7 cited

Concise Logarithmic Loss Function for Robust Training of Anomaly Detection Model

YeongHyeon Park

Recently, deep learning-based algorithms are widely adopted due to the advantage of being able to establish anomaly detection models without or with minimal domain knowledge of the…

cs.SD2021★ 2 cited

Noise Reduction and Driving Event Extraction Method for Performance Improvement on Driving Noise-based Surface Anomaly Detection

YeongHyeon Park, JoonSung Lee, Myung Jin Kim +1

Foreign substances on the road surface, such as rainwater or black ice, reduce the friction between the tire and the surface. The above situation will reduce the braking performanc…

cs.CV2021

Efficient Non-Compression Auto-Encoder for Driving Noise-based Road Surface Anomaly Detection

YeongHyeon Park, JongHee Jung

Wet weather makes water film over the road and that film causes lower friction between tire and road surface. When a vehicle passes the low-friction road, the accident can occur up…

cs.LG2021

Anomaly Detection Based on Multiple-Hypothesis Autoencoder

JoonSung Lee, YeongHyeon Park

Recently Autoencoder(AE) based models are widely used in the field of anomaly detection. A model trained with normal data generates a larger restoration error for abnormal data. Wh…

cs.CV2021

Self-Weighted Ensemble Method to Adjust the Influence of Individual Models based on Reliability

YeongHyeon Park, JoonSung Lee, Wonseok Park

Image classification technology and performance based on Deep Learning have already achieved high standards. Nevertheless, many efforts have conducted to improve the stability of c…

cs.CV2021★ 4 cited

Non-Compression Auto-Encoder for Detecting Road Surface Abnormality via Vehicle Driving Noise

YeongHyeon Park, JongHee Jung

Road accident can be triggered by wet road because it decreases skid resistance. To prevent the road accident, detecting road surface abnomality is highly useful. In this paper, we…

eess.IV2019

The CNN-based Coronary Occlusion Site Localization with Effective Preprocessing Method

YeongHyeon Park, Il Dong Yun, Si-Hyuck Kang

The Coronary Artery Occlusion (CAO) acutely comes to human, and it highly threats the human's life. When CAO detected, Percutaneous Coronary Intervention (PCI) should be conducted…

cs.LG2019

Anomaly Detection in Particulate Matter Sensor using Hypothesis Pruning Generative Adversarial Network

YeongHyeon Park, Won Seok Park, Yeong Beom Kim

World Health Organization (WHO) provides the guideline for managing the Particulate Matter (PM) level because when the PM level is higher, it threats the human health. For managing…

cs.LG2018★ 1 cited

Comparison of RNN Encoder-Decoder Models for Anomaly Detection

YeongHyeon Park, Il Dong Yun

In this paper, we compare different types of Recurrent Neural Network (RNN) Encoder-Decoders in anomaly detection viewpoint. We focused on finding the model that can learn the same…