September 2022

Table of Contents

Cover

Copyright

1 ... Preface

Rho Seungmin, Lee Yangsun, Kim Yanghoon, Chang Hangbae

3- 10 ... [1] A Study on the Effectiveness of Skin Care Solution System using Non-Invasive Air Technology

doi :http://doi.org/10.23023/JPT.2022.10.3.003

Do-Young Park, Dong-Gon Yoon, Jung-Gil Seo

11-20 ... [2] Policy Advices for the Success of Digital Platform Government in South Korea

doi : http://doi.org/10.23023/JPT.2022.10.3.011

Sen Zhan, Choong-Sik Chung

21-29 ... [3] Machine Vision Algorithm Design for Remote Control External Defect Inspection

doi : http://doi.org/10.23023/JPT.2022.10.3.021

Jin-Su Kang, Young-Hyung Kim, Sang-Goo Yoon, Yong-Hwan Lee

30- 43 ... [4] A Study on the Impact of the Leisure Motivation of the Elde rly upon Happiness: Focusing on the Mediating Effect on Self -Efficacy

doi :http://doi.org/10.23023/JPT.2022.10.3.030

Kong Kyoung Bae

44-50 ... [5] A study of age estimation from occluded images

doi : http://doi.org/10.23023/JPT.2022.10.3.044

Sung Eun Choi

51-59 ... [6] Research Trends in Wi-Fi Performance Improvement in Coexistence Networks with Machine Learning

doi : http://doi.org/10.23023/JPT.2022.10.3.051

Young-myoung Kang

60-68 ... [7] A Basic Study on the Reduction of Illuminated Reflection for improving the Safety of Self-driving at Night

doi : http://doi.org/10.23023/JPT.2022.10.3.060

Chang min Park

69-78 ... [8] Inference Interpretation of Job Data using Ontology

doi : http://doi.org/10.23023/JPT.2022.10.3.069

Kwangje Kim, Jeong Ho Kim