S.W. Lee

ORCID: 0009-0008-1924-436X
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About
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Research Areas
  • Carbon Nanotubes in Composites
  • Graphene research and applications
  • Robotic Path Planning Algorithms
  • Breast Cancer Treatment Studies
  • Robot Manipulation and Learning
  • Robotic Mechanisms and Dynamics
  • Colorectal and Anal Carcinomas
  • Cervical Cancer and HPV Research
  • Cholesterol and Lipid Metabolism
  • Diamond and Carbon-based Materials Research
  • Maritime Ports and Logistics
  • Formal Methods in Verification
  • Lung Cancer Research Studies
  • Diabetes Treatment and Management
  • Cardiac Imaging and Diagnostics
  • Infectious Diseases and Mycology
  • Maritime Navigation and Safety
  • Fungal Infections and Studies
  • Supramolecular Self-Assembly in Materials
  • Advancements in Semiconductor Devices and Circuit Design
  • Control and Dynamics of Mobile Robots
  • Antifungal resistance and susceptibility
  • Crystallography and Radiation Phenomena
  • Advances in Oncology and Radiotherapy
  • Polydiacetylene-based materials and applications

Seoul Medical Center
2025

Catholic University of Korea
2015-2022

Korea Maritime and Ocean University
2022

Seoul St. Mary's Hospital
2020

Seoul National University
1998-2016

Chalmers University of Technology
2003-2004

This study evaluated the postoperative quality of life (QoL) after various types gastrectomy for gastric cancer. A multicenter prospective observational was conducted in Korea using Korean Quality Life Stomach Cancer Patients Study (KOQUSS)-40, a new QoL assessment tool focusing on postgastrectomy syndrome. Overall, 496 patients with cancer were enrolled, and assessed at 5 time points: preoperatively 1, 3, 6, 12 months surgery. Distal (DG) pylorus-preserving (PPG) showed significantly better...

10.5230/jgc.2025.25.e26 article EN Journal of the Korean Gastric Cancer Association 2025-01-01

In this paper, a collision avoidance algorithm based on predictive probability using the Kalman filter is proposed. Existing algorithms are Time to Closest Point of Approach (TCPA) and Distance (DCPA) derived from geometric data between own ship target ships current states (heading angle velocity). When compared these approaches, proposed capable predicting easy plan optimal path by considering uncertainty in situation number ships. study, an Unscented Filter (UKF) used due nonlinearities...

10.1016/j.ijnaoe.2022.100438 article EN cc-by-nc-nd International Journal of Naval Architecture and Ocean Engineering 2022-01-01

This work describes a new and simple concept, Safety Arc, for solvinty the collision avoidance problem of robot manipulators. The Are is an arc-shaped set composed possible configuration points avoiding aiven constraints in space. Both motion and.the constraint manipulator can he easily represented using this concept. So Sqfety Arc be used as tool free planning addition optimality introduced selectinu collision-free path from safety Arc. Based on method transforming into Sub-Optimal...

10.1109/sice.1996.865430 article EN 2005-08-29

A new concept, the safety arc, is described for collision-free motion planning of a robot. In configuration space, arc introduced considering both constraints and collision constraint using distance function. The an arc-shaped set composed candidate points from given constraints. Based on this method transforming problem into sub-optimal avoidance (SOCAP) with linear developed. authors adopt minimum between initial final as performance index, hence robot planned in order to minimize moving...

10.1109/iecon.1996.570958 article EN 2002-12-23
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