A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Subjective and objective measures of streetscape perceptions: Relationships with property value in Shanghai
Abstract Recently, housing prices studies emerged to use street view imagery to infer the marginal price of streetscape using hedonic price models (HPM). Within this trend, most studies took an objective approach by extracting streetscape pixels to directly proxy human perceptions. Less studies addressed the strength of the subjective perceptions measured from visual surveys. We argue that human perception is a subjective and subtle sensory process that cannot be fully captured using objective indicators. We hypothesize that the subjective approach could provide stronger predictive power to housing prices. Taking Shanghai as a case study, we extend a spatial HPM with both subjectively-measured and objectively-derived perceptions of six urban design qualities. Accounting for the spatial dependence, subjective scores collectively explained equal price variance, while all their individual signs were opposite to the objective counterparts. Moreover, most subjective scores individually exhibited stronger strength, confirming our hypothesis that perceptions are better captured using subjective measures. For ambiguous concepts such as imageability, the subjective framework exhibits better performance, while the objective constructs are more effective to represent straightforward perceptions like greenness and enclosure. This study contributes to the studies on the coherence and divergence of subjective and objective measures of perceptions and environmental qualities. It enriches the literature on the economic values of streetscapes and provides guidance on the indicator selection for assessing, designing, and managing street environments.
Highlights Integrating visual survey and street-view image to predict subjective perceptions while constructing objective counterparts Investigated the divergence and coherence between subjective and objective perceptions Compared the two perception measures’ predictive power on housing prices Subjective perceptions showed opposite signs and stronger magnitudes in explaining housing prices
Subjective and objective measures of streetscape perceptions: Relationships with property value in Shanghai
Abstract Recently, housing prices studies emerged to use street view imagery to infer the marginal price of streetscape using hedonic price models (HPM). Within this trend, most studies took an objective approach by extracting streetscape pixels to directly proxy human perceptions. Less studies addressed the strength of the subjective perceptions measured from visual surveys. We argue that human perception is a subjective and subtle sensory process that cannot be fully captured using objective indicators. We hypothesize that the subjective approach could provide stronger predictive power to housing prices. Taking Shanghai as a case study, we extend a spatial HPM with both subjectively-measured and objectively-derived perceptions of six urban design qualities. Accounting for the spatial dependence, subjective scores collectively explained equal price variance, while all their individual signs were opposite to the objective counterparts. Moreover, most subjective scores individually exhibited stronger strength, confirming our hypothesis that perceptions are better captured using subjective measures. For ambiguous concepts such as imageability, the subjective framework exhibits better performance, while the objective constructs are more effective to represent straightforward perceptions like greenness and enclosure. This study contributes to the studies on the coherence and divergence of subjective and objective measures of perceptions and environmental qualities. It enriches the literature on the economic values of streetscapes and provides guidance on the indicator selection for assessing, designing, and managing street environments.
Highlights Integrating visual survey and street-view image to predict subjective perceptions while constructing objective counterparts Investigated the divergence and coherence between subjective and objective perceptions Compared the two perception measures’ predictive power on housing prices Subjective perceptions showed opposite signs and stronger magnitudes in explaining housing prices
Subjective and objective measures of streetscape perceptions: Relationships with property value in Shanghai
Qiu, Waishan (author) / Li, Wenjing (author) / Liu, Xun (author) / Zhang, Ziye (author) / Li, Xiaojiang (author) / Huang, Xiaokai (author)
Cities ; 132
2022-10-03
Article (Journal)
Electronic Resource
English
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