Zobrazeno 1 - 10
of 32
pro vyhledávání: '"Chang-Gyun Roh"'
Publikováno v:
Heliyon, Vol 9, Iss 11, Pp e21213- (2023)
To guarantee the right to move for residents in areas where public transportation is insufficient, research is needed to identify vulnerable areas and prepare measures. This paper defines the vulnerable regions of public transportation within various
Externí odkaz:
https://doaj.org/article/592bb23257b34b35b617b98e0596d905
Autor:
Chang-Gyun Roh, Bum-Jin Park
Publikováno v:
Applied Sciences, Vol 11, Iss 22, p 10762 (2021)
Worldwide, the population is aging at a gradually increasing speed, due to a decrease in the population and the development of medical facilities and technology. Due to the rapid aging of the population, social infrastructure will also need to be tra
Externí odkaz:
https://doaj.org/article/a24c9788a99f4fcca48546972031e0a8
Publikováno v:
Sensors, Vol 21, Iss 22, p 7461 (2021)
The performance of LiDAR sensors deteriorates under adverse weather conditions such as rainfall. However, few studies have empirically analyzed this phenomenon. Hence, we investigated differences in sensor data due to environmental changes (distance
Externí odkaz:
https://doaj.org/article/e2d87250ac3e48d5b3f1eaa8361215ac
Publikováno v:
Applied Sciences, Vol 11, Iss 12, p 5520 (2021)
The purpose of this study is to analyze the effect of heavy vehicles on traffic flow on a two-lane highway. To achieve this goal, data was obtained from piezosensors on the Seoul–Chuncheon Expressway. Analysis of the data showed that, as everyone k
Externí odkaz:
https://doaj.org/article/105a5addded64f33991dcac9b494a3e7
Autor:
Chang-Gyun Roh
Publikováno v:
Applied Sciences, Vol 11, Iss 1, p 225 (2020)
Since the global population is rapidly aging, social interest in the topic is increasing. However, there are not many studies on the elderly who are able to walk on their own, who make up the absolute majority of the total elderly population. Most st
Externí odkaz:
https://doaj.org/article/8687c0692052475482af1ff1af5f93e4
Publikováno v:
Sensors, Vol 20, Iss 23, p 6720 (2020)
Various technologies are being developed to support safe driving. Among them, ADAS, including LDWS, is becoming increasingly common. This driver assistance system aims to create a safe road environment while compensating for the driver’s carelessne
Externí odkaz:
https://doaj.org/article/b2625d154185498b8e5cdebf9f779056
Autor:
Chang-Gyun Roh, Jaehong Park
Publikováno v:
Journal of the Korea Academia-Industrial cooperation Society. 23:636-643
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4515d64da11e3157f195012d3b0d2a6b
https://doi.org/10.5762/kais.2022.23.12.636
https://doi.org/10.5762/kais.2022.23.12.636
Publikováno v:
Journal of the Korea Academia-Industrial cooperation Society. 23:871-879
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6bbf7c928c85ea6b9dd4932f841e2b02
https://doi.org/10.5762/kais.2022.23.1.871
https://doi.org/10.5762/kais.2022.23.1.871
Autor:
Chang-Gyun Roh, Jiyoon Kim
Publikováno v:
International Journal of Environmental Research and Public Health; Volume 19; Issue 18; Pages: 11263
Population aging and population decline are experienced not only in South Korea but also in other countries around the world. In particular, public transportation operations, which have been centered on existing large buses, are struggling with a con
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::666d9a50a131d3075663d1002d9211d1
https://pubmed.ncbi.nlm.nih.gov/36141536
https://pubmed.ncbi.nlm.nih.gov/36141536
Autor:
chang gyun Roh
Publikováno v:
Journal of Korean Society of Transportation. 38:42-57
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::64b1af371d9d0075c321feb61ea633be
https://doi.org/10.7470/jkst.2020.38.1.042
https://doi.org/10.7470/jkst.2020.38.1.042