Search Results - "Lee Sangyoon"

Robust empty container repositioning considering foldable containers by Lee, Sangyoon, Moon, Ilkyeong

“…•We propose a robust formulation for the empty container repositioning problem.•We consider foldable containers and demand uncertainty.•We observe the cost…”
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Valorization of disposable COVID-19 mask through the thermo-chemical process by Jung, Sungyup, Lee, Sangyoon, Dou, Xiaomin, Kwon, Eilhann E.

“…[Display omitted] •A sustainable platform for COVID-19 PPE and CO2 to syngas was studied.•Chemical composition and thermal stability of face mask waste were…”
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Development and Performance Test of a Simulation-Based Tractor-Attachable Wind-Blast-Type Onion Stem Cutting Machine by Lee, Sangyoon

“…Stem cutting process of many steps in onion farming involves the least supply of machines. Machines developed in foreign countries are not suitable owing to…”
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Energy Management of Smart Home with Home Appliances, Energy Storage System and Electric Vehicle: A Hierarchical Deep Reinforcement Learning Approach by Lee, Sangyoon, Choi, Dae-Hyun

“…This paper presents a hierarchical deep reinforcement learning (DRL) method for the scheduling of energy consumptions of smart home appliances and distributed…”
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Reinforcement Learning-Based Energy Management of Smart Home with Rooftop Solar Photovoltaic System, Energy Storage System, and Home Appliances by Lee, Sangyoon, Choi, Dae-Hyun

“…This paper presents a data-driven approach that leverages reinforcement learning to manage the optimal energy consumption of a smart home with a rooftop solar…”
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Fabrication of Comb-Structured Acceleration Sensors by Roll-to-Roll Gravure Printing by Lee, Sang Hoon, Lee, Sangyoon

“…As a common type of microelectromechanical systems (MEMS) inertial sensors, comb-structured air-gap acceleration sensors have been applied to various…”
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Depressive symptoms and cognitive performance in older adults by Shimada, Hiroyuki, Park, Hyuntae, Makizako, Hyuma, Doi, Takehiko, Lee, Sangyoon, Suzuki, Takao

“…Abstract Many longitudinal studies have found that older adults with depressive symptoms or depression have increased risk of cognitive impairment. We…”
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Reversible predictors of reversion from mild cognitive impairment to normal cognition: a 4-year longitudinal study by Shimada, Hiroyuki, Doi, Takehiko, Lee, Sangyoon, Makizako, Hyuma

“…Although previous studies have revealed many factors related to mild cognitive impairment (MCI) reversion, information about reversible factors related MCI…”
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Cantilever Type Acceleration Sensors Made by Roll-to-Roll Slot-Die Coating by Lee, Sang Hoon, Lee, Sangyoon

“…This paper presents the fabrication by means of roll-to-roll slot-die coating and characterization of air gap-based cantilever type capacitive acceleration…”
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Social Frailty Leads to the Development of Physical Frailty among Physically Non-Frail Adults: A Four-Year Follow-Up Longitudinal Cohort Study by Makizako, Hyuma, Shimada, Hiroyuki, Doi, Takehiko, Tsutsumimoto, Kota, Hotta, Ryo, Nakakubo, Sho, Makino, Keitaro, Lee, Sangyoon

“…Social frailty domains may play an important role in preventing physical decline and disability. The aim of this study is to examine the impact of social…”
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Relationship between Daily and In-laboratory Gait Speed among Healthy Community-dwelling Older Adults by Takayanagi, Naoto, Sudo, Motoki, Yamashiro, Yukari, Lee, Sangyoon, Kobayashi, Yoshiyuki, Niki, Yoshifumi, Shimada, Hiroyuki

“…Gait speed in laboratory settings (in-laboratory gait speed) is one of the important indicators associated with the decline in functional abilities in older…”
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Combined Prevalence of Frailty and Mild Cognitive Impairment in a Population of Elderly Japanese People by Shimada, Hiroyuki, PhD, PT, Makizako, Hyuma, PhD, PT, Doi, Takehiko, PhD, PT, Yoshida, Daisuke, PhD, PT, Tsutsumimoto, Kota, MSc, PT, Anan, Yuya, MSc, Uemura, Kazuki, MSc, PT, Ito, Tadashi, BSc, PT, Lee, Sangyoon, PhD, Park, Hyuntae, PhD, Suzuki, Takao, PhD, MD

“…Abstract Objective Preventive strategies for frailty and mild cognitive impairment (MCI) are important for avoiding future functional decline and dementia in…”
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Mechanically Durable and Highly Stretchable Transistors Employing Carbon Nanotube Semiconductor and Electrodes by Chortos, Alex, Koleilat, Ghada I., Pfattner, Raphael, Kong, Desheng, Lin, Pei, Nur, Roda, Lei, Ting, Wang, Huiliang, Liu, Nan, Lai, Ying-Chih, Kim, Myung-Gil, Chung, Jong Won, Lee, Sangyoon, Bao, Zhenan

“…Mechanically durable stretchable trans­istors are fabricated using carbon nanotube electrical components and tough thermoplastic elastomers. After an initial…”
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Pain characteristics and incidence of functional disability among community-dwelling older adults by Makino, Keitaro, Lee, Sangyoon, Bae, Seongryu, Jung, Songee, Shinkai, Yohei, Chiba, Ippei, Shimada, Hiroyuki

“…This study examined the association between pain characteristics and the incidence of functional disability among community-dwelling older adults. This…”
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Privacy-Preserving Energy Management of a Shared Energy Storage System for Smart Buildings: A Federated Deep Reinforcement Learning Approach by Lee, Sangyoon, Xie, Le, Choi, Dae-Hyun

“…This paper proposes a privacy-preserving energy management of a shared energy storage system (SESS) for multiple smart buildings using federated reinforcement…”
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Cognitive Impairment and Disability in Older Japanese Adults by Shimada, Hiroyuki, Makizako, Hyuma, Doi, Takehiko, Tsutsumimoto, Kota, Lee, Sangyoon, Suzuki, Takao

“…The prevalence of disability is increasing due to an expanding aging population and an increasing incidence of chronic health problems. Cognitive impairment…”
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A dual-view multi-resolution laparoscope for safer and more efficient minimally invasive surgery by Katz, Jeremy, Hua, Hong, Lee, Sangyoon, Nguyen, Mike, Hamilton, Allan

“…Minimally invasive surgery (MIS) is limited in safety and efficiency by the hand-held nature and narrow fields of view of traditional laparoscopes. A…”
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Poisson-Gaussian Noise Analysis and Estimation for Low-Dose X-ray Images in the NSCT Domain by Lee, Sangyoon, Lee, Min Seok, Kang, Moon Gi

“…The noise distribution of images obtained by X-ray sensors in low-dosage situations can be analyzed using the Poisson and Gaussian mixture model. Multiscale…”
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Poisson-Gaussian Noise Reduction for X-Ray Images Based on Local Linear Minimum Mean Square Error Shrinkage in Nonsubsampled Contourlet Transform Domain by Lee, Sangyoon, Kang, Moon Gi

“…Noise reduction is important for X-ray images because it can reduce radiation exposure to patients. X-ray image noise has a Poisson-Gaussian distribution, and…”
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GadgetArm—Automatic Grasp Generation and Manipulation of 4-DOF Robot Arm for Arbitrary Objects Through Reinforcement Learning by Park, JoungMin, Lee, SangYoon, Lee, JaeWoon, Um, Jumyung

“…Automatic robot gripper system which involves the automated object recognition of work-in-process in production line is the key technology of the upcoming…”
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