Won Jin Lee
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View article: Cardiovascular disease risk following radiotherapy among breast cancer survivors: a nationwide cohort study in South Korea
Cardiovascular disease risk following radiotherapy among breast cancer survivors: a nationwide cohort study in South Korea Open
RT was not significantly associated with increased overall CVD risk, nor were there significant differences based on RT technique or its combination with chemotherapy for most cardiac outcomes. However, combined RT and chemotherapy signifi…
View article: Transmit–Receive Module Diagnostic of Active Phased Array Antenna Using Side-Lobe Blanking Channel
Transmit–Receive Module Diagnostic of Active Phased Array Antenna Using Side-Lobe Blanking Channel Open
This article presents a diagnostic method for transmit–receive modules (TRMs) in an airborne active phased array antenna (APAA). Given the spatial constraints of airborne radar systems, the diagnostic functionality was implemented using th…
View article: Subspace-based Approximate Hessian Method for Zeroth-Order Optimization
Subspace-based Approximate Hessian Method for Zeroth-Order Optimization Open
Zeroth-order optimization addresses problems where gradient information is inaccessible or impractical to compute. While most existing methods rely on first-order approximations, incorporating second-order (curvature) information can, in p…
View article: The <scp>SIBUS</scp>‐<scp>IN</scp> Fingerheld Ultrasound Machine
The <span>SIBUS</span>‐<span>IN</span> Fingerheld Ultrasound Machine Open
Background Minimally invasive esthetic procedures risk vascular occlusion, necrosis, and other sequelae; real‐time ultrasound guidance mitigates these events, yet conventional devices are bulky and two‐handed. Aim To present the SIBUS‐IN f…
View article: The moderating effect of olfactory function on the relationship between interpersonal problems and the emotional intelligence of adults
The moderating effect of olfactory function on the relationship between interpersonal problems and the emotional intelligence of adults Open
This study examined the relationships among emotional intelligence, olfactory function, and interpersonal problems, as well as the moderating role of olfactory function. A total of 119 adults aged 18 and older were recruited from a univers…
View article: Intercomparison of Geostationary Environment Monitoring Spectrometer (GEMS) observations during the ASIA-AQ Field Campaign
Intercomparison of Geostationary Environment Monitoring Spectrometer (GEMS) observations during the ASIA-AQ Field Campaign Open
The Airborne and Satellite Investigation of Asian Air Quality (ASIA-AQ) campaign took place in February and March 2024 as part of a global initiative to collect detailed atmospheric data across various locations in Asia. This campaign util…
View article: Fault Detection Technique for Active Phased Array Antenna Using Current Sensing
Fault Detection Technique for Active Phased Array Antenna Using Current Sensing Open
This article presents the design and implementation of a built-in fault detection technique for an active phased array antenna. The proposed method employs a current monitoring circuit integrated into the power protection board of the tran…
View article: Deep Learning-Based Metal Artifact Reduction With Masked Mean Squared Error Loss Function in Simulation CT for Radiation Therapy for Head and Neck Cancer
Deep Learning-Based Metal Artifact Reduction With Masked Mean Squared Error Loss Function in Simulation CT for Radiation Therapy for Head and Neck Cancer Open
Deep learning-based approaches to metal artifact reduction have recently been proposed, yet these methods still struggle to effectively remove metal artifacts in head and neck computed tomography (CT) images, which have a complex structure…
View article: Piece of Table: A Divide-and-Conquer Approach for Selecting Subtables in Table Question Answering
Piece of Table: A Divide-and-Conquer Approach for Selecting Subtables in Table Question Answering Open
Applying language models (LMs) to tables is challenging due to the inherent structural differences between two-dimensional tables and one-dimensional text for which the LMs were originally designed. Furthermore, when applying linearized ta…
View article: Improved mean field estimates from the Geostationary Environment Monitoring Spectrometer (GEMS) Level-3 aerosol optical depth (L3 AOD) product: using spatiotemporal variability
Improved mean field estimates from the Geostationary Environment Monitoring Spectrometer (GEMS) Level-3 aerosol optical depth (L3 AOD) product: using spatiotemporal variability Open
This study presents advancements in the processing of satellite remote sensing data, focusing mainly on aerosol optical depth (AOD) retrievals from the Geostationary Environment Monitoring Spectrometer (GEMS). The transformation of Level-2…
View article: Healthy worker hire and survivor effects in a cohort of medical radiation workers
Healthy worker hire and survivor effects in a cohort of medical radiation workers Open
Background The healthy worker effect may distort the association between exposure and health effects in workers. However, few studies have investigated both the healthy worker hire and survival effects simultaneously, and they are limited …
View article: A Historical Survey of Key Epidemiological Studies of Ionizing Radiation Exposure
A Historical Survey of Key Epidemiological Studies of Ionizing Radiation Exposure Open
In this article we review the history of key epidemiological studies of populations exposed to ionizing radiation. We highlight historical and recent findings regarding radiation-associated risks for incidence and mortality of cancer and n…
View article: Current status of occupational radiation exposure and protection among medical interns and residents
Current status of occupational radiation exposure and protection among medical interns and residents Open
Background: While individuals exposed to radiation in hospitals are typically registered as radiation workers, with regulated exposure levels, many interns and residents who are not registered as radiation workers are occupationally expose…
View article: Effects of a Delayed Harvest and Additives on the Fermentation Quality of Corn Stalk Silage
Effects of a Delayed Harvest and Additives on the Fermentation Quality of Corn Stalk Silage Open
This study investigated the effects of harvest time, cellulase, lactic acid bacteria, and ensiling with alfalfa hay on the chemical parameters, bacterial community composition, and fermentation of corn stalk silage. Corn stalks were ensile…
View article: Few-Shot Anomaly Detection via Personalization
Few-Shot Anomaly Detection via Personalization Open
Even with a plenty amount of normal samples, anomaly detection has been considered as a challenging machine learning task due to its one-class nature, i. e., the lack of anomalous samples in training time. It is only recently that a few-sh…
View article: Current status and characteristics of lung transplantation for elderly people in Korea: analysis of Korean Network for Organ Sharing Data
Current status and characteristics of lung transplantation for elderly people in Korea: analysis of Korean Network for Organ Sharing Data Open
Background:The incidence and prevalence of end-stage lung disease are increasing with age.Accordingly, the number of lung transplants for patients over 65 years of age is increasing worldwide.This study aims to determine the current status…
View article: Epidemiology of Low-Dose Ionizing Radiation Exposure and Health Effects
Epidemiology of Low-Dose Ionizing Radiation Exposure and Health Effects Open
I. 서 론 유엔방사선영향과학위원회(UNSCEAR)에서는 전리방사선의 선량 구간을 나누어 고선량(high) (>1 Gy), 중간선량(moderate) (100 mGy~1 Gy), 저선량(low) (10~100 mGy), 극저선량(very low) (<10 mGy)으로 정의하고 있으며, 1) 일반적으로 100 mSv 미만을 저선량 방사선(low-dose radiation)으로 간주한다.여기 서
View article: Introduction to GEMS version two air pollutants retrieval algorithm
Introduction to GEMS version two air pollutants retrieval algorithm Open
Geostationary Environment Monitoring Spectrometer (GEMS), the world's first geostationary environmental senor onboard Geo-Kompsat 2B, was launched in February, 2020 to monitor atmospheric pollutants (such as -> e.g. Aerosol properties, Nit…
View article: Accurate Estimation of LPI Radar Pulse Train Parameters via Change Point Detection
Accurate Estimation of LPI Radar Pulse Train Parameters via Change Point Detection Open
Estimating the time of arrival (TOA), pulse width (PW), and pulse repetition interval (PRI) is critical for identifying the low probability of intercept (LPI) radar signals as it is common in electronic warfare (EW) to experience a pulse t…
View article: Circulatory disease mortality among male medical radiation workers in South Korea, 1996–2019
Circulatory disease mortality among male medical radiation workers in South Korea, 1996–2019 Open
Occupational radiation doses were non-significantly positively associated with CD mortality among male diagnostic medical radiation workers. However, cautious interpretation is needed due to the limitations of short follow-up.