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자료유형
학술저널
저자정보
유승재 (Hanyang University) 하정원 (Hanyang University) 김혜준 (Hanyang University) 기동환 (Hanyang University) 이수기 (Hanyang University)
저널정보
대한국토·도시계획학회 국토계획 國土計劃 第56卷 第2號(通卷 第255號)
발행연도
2021.4
수록면
79 - 93 (15page)
DOI
10.17208/jkpa.2021.04.56.2.79

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This study aims to demonstrate the relation between streetscape features and six different individual perceptions, which includes pedestrian satisfaction. Two deep learning techniques—semantic segmentation and object detection—were applied on Google Street View imagery; these techniques captured the streetscape factors from a pedestrian perspective and subsequently extracted various visual elements. In this study, independent variables include not only eight segmented object categories and two features detected from the streetscape images of community roads in Seoul but also factors relevant to the built environment and individual characteristics. In addition, human perceptions were measured through an online survey based on a 5-point Likert scale from 1 (“very dissatisfied”) to 5 (“very satisfied”) (n = 240). Subsequently, by using a multilevel ordered logistic regression model, we examined the factors’ discrete impacts on six different perceptual indicators: vitality, safety, beauty, boring, depression, and overall pedestrian satisfaction. The main results of this study are as follows. Among the segmented objects, sky, vegetation, wall, sidewalk, and pavement have important ramifications as perceptual indicators. In such a case, sky, vegetation, sidewalk, and pavement positively affect overall pedestrian satisfaction, vitality, safety, and beauty; however, the wall has an adverse impact on them. Moreover, the number of pedestrians and vehicles detected from the YOLOv3 algorithm is significantly associated with most perceptual indicators. Pedestrian volume is positively correlated with overall pedestrian satisfaction, vitality, and safety, whereas the effect of the number of vehicles is the opposite. Overall, though this study, we proposed policy implications to improve the walking environment.

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Abstract
Ⅰ. 서론
Ⅱ. 이론적 고찰 및 선행연구 검토
Ⅲ. 분석 방법
Ⅳ. 분석 결과
Ⅴ. 결론
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