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Soojeong Lee, Gyanendra Prasad Joshi, Anish Prasad Shrestha, Chang-Hwan Son and Gangseong Lee
Cuffless blood pressure (BP) monitoring is crucial for patients with cardiovascular disease and hypertension. However, conventional BP monitors provide only single-point estimates without confidence intervals. Therefore, the statistical variability in th...
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Soojeong Lee, Hyeonjoon Moon, Chang-Hwan Son and Gangseong Lee
Various machine learning models have been used in the biomedical engineering field, but only a small number of studies have been conducted on respiratory rate estimation. Unlike ensemble models using simple averages of basic learners such as bagging, ran...
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Long Hoang, Suk-Hwan Lee, Eung-Joo Lee and Ki-Ryong Kwon
Light Detection and Ranging (LiDAR), which applies light in the formation of a pulsed laser to estimate the distance between the LiDAR sensor and objects, is an effective remote sensing technology. Many applications use LiDAR including autonomous vehicle...
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Long Hoang, Suk-Hwan Lee, Eung-Joo Lee and Ki-Ryong Kwon
Skin lesion classification has recently attracted significant attention. Regularly, physicians take much time to analyze the skin lesions because of the high similarity between these skin lesions. An automated classification system using deep learning ca...
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Yushin Lee, Wonjoon Kim, Joong Hee Lee, Yong Min Kim and Myung Hwan Yun
To develop a flexible display, smartphones with edge screens with curved displays on both sides of the main screen have been used widely. Considering that small differences in the form of smartphones, such as length, width, and thickness, could affect us...
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Hae Lim Kim, Hae Jin Lee, Dong-Ryung Lee, Bong-Keun Choi and Seung Hwan Yang
Osteoarthritis (OA) is a general joint illness caused by the destruction of joint cartilage, and is common in the population of old people. Its occurrence is related to inflammatory reactions and cartilage degradation. AyuFlex® is an aqueous extract of T...
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Jihwan Lee, Namwoo Cho, Myung Hwan Yun and Yushin Lee
The naval multi-function console provides various types of information to the operator. It is equipment that is key for submarine navigation, and fatal human errors can occur due to the mismatch between the console specifications and the operator?s body ...
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Hyung-Gon Lee, Ok-Hwan Yu, Sang-Lyeol Kim, Jung-Hoon Kang and Kyoung-Soon Shin
Global ecological concern regarding the transfer of fouling organisms to ship hulls is increasing. This study investigated the species composition, dominant species, distribution patterns, community structure, and life-cycle differences of hull-fouling m...
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Hwan-Sung Ji, Hyo-Jae Yu, Seung-Jong Lee, Sukyung Kang and Jin-Koo Kim
The daggertooth pike conger, Muraenesox cinereus, is an important demersal fish species in East Asia but the catch amount has declined in recent years. Spawning areas of M. cinereus have not yet been determined; identifying these have serious implication...
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Sang Lyeol Kim, Hyung Gon Lee, Yosup Park and Ok Hwan Yu
Pollution associated with marine debris is of global ecological concern, as it threatens wildlife and local economies. Submerged marine debris alters local benthic species composition and community characteristics. The study site of Jaguri, Jeju Island, ...
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Seok-Hwan Oh, Tae-Seong Roh and Hyoung Jin Lee
This study was focused on the configuration design of a star grain by using machine learning in the optimal design process. The key to optimizing the grain design is aimed at obtaining a set of configuration variables that satisfy the requirements. The o...
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Sang Lyeol Kim, Su Min Kang, Hyung Gon Lee, Gwan Hee Han and Ok Hwan Yu
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Ji-hwan Kim, Dong-seok Lee and Soon-kak Kwon
This paper proposes a method to classify food types and to estimate meal intake amounts in pre- and post-meal images through a deep learning object detection network. The food types and the food regions are detected through Mask R-CNN. In order to make b...
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Soorim Yang, Kyoung-Hwan Kim, Hye-Ryeong Jeong, Seokjun Lee and Jaeho Kim
The COVID-19 pandemic has underscored the necessity for rapid contact tracing as a means to effectively suppress the spread of infectious diseases. Existing contact tracing methods leverage location-based or distance-based detection to identify contact w...
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Seong-Won Lee, Kibwika Anthony Kintu and Il-Hwan Seo
Fine dust can have serious effects on human health and crop growth. Fodder crops can reduce airborne dust by coagulating soil particles and reducing wind speed on the surface and have the effect of reducing fine dust by adsorbing it on the crop surface. ...
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Geonwoo Kim, Hoonsoo Lee, Seung Hwan Wi and Byoung-Kwan Cho
Heat stress in particular can damage physiological processes, adaptation, cellular homeostasis, and yield of higher plants. Early detection of heat stress in leafy crops is critical for preventing extensive loss of crop productivity for global food secur...
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Hyo-Woon Hwang, Ji-Hwan Park and Dong-Geun Lee
Titanium has many limitations in coverage and frequency of application due to its expensive alloying elements and complex manufacturing process. The biocompatible Ti-Mo-Fe ternary beta titanium alloys were designed by replacing high-cost beta-stabilizer ...
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Yeong-Ju Go, Joon-Hwan Bae, Jaeha Ryi, Jong-Soo Choi and Chung-Ryeol Lee
The demand for new propeller designs has increased alongside the development of new technology, such as urban aircraft and large unmanned aerial vehicles. In order to experimentally identify the performance of a propeller, a wind tunnel that provides the...
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Youngjin Choi, Youngmin Park, Weol-Ae Lim, Seung-Hwan Min and Joon-Soo Lee
In this study, the occurrence of Cochlodinium polykrikoides bloom was predicted based on spatial information. The South Sea of Korea (SSK), where C. polykrikoides bloom occurs every year, was divided into three concentrated areas. For each domain, the op...
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Chang-Yull Lee and Ji-Hwan Kim
A smart-skin antenna structure is investigated for active flutter control with piezoelectric sensors and actuators. The skin antenna is designed as a multilayer sandwich structure with a dielectric polymer to perform the role of antenna or radar structur...
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