Inference method for cultural diffusion patterns using a field model

Zhang, Haiping; Zhou, Xingxing; Tang, Guoan; Ji, Genlin; Zhang, Xueying; Xiong, Liyang

doi:10.1111/tgis.12663

Cited by 11 publications

(5 citation statements)

References 51 publications

(46 reference statements)

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“…Total nodes, total leaf nodes, gradient index, and fission index are common and typical morphological indices of the traditional contour tree, which are only defined by node amount (Zhang et al., 2020). Therefore, those indices are calculated in Table 3.…”

Section: Discussionmentioning

confidence: 99%

A new hierarchical analysis framework of building heights: Towards a more intuitive understanding of 3D urban structure

Yang,

Zhou,

Yang

et al. 2023

Transactions in GIS

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Understanding the 3D spatial structure of a city is increasingly essential for addressing various environmental and management issues, surpassing the importance of traditional 2D analysis. However, existing studies neglect the diversity of building height and still lack a clear description of 3D urban structure. This article proposes a new framework to uncover the 3D urban structure. Firstly, kernel density is employed to reveal the hierarchical spatial structure of buildings and the contour tree method is improved to quantitatively measure the spatial diversity and complexity. Then, the 3D urban structure is abstracted by spatial interpolation after feature filtration. Finally, this framework is applied to the central area of Chengdu City, revealing that: (1) Spatial structures of buildings with different heights exhibit significant diversity, location preference, and complexity; and (2) A globally “depression” 3D urban structure with low center—high periphery is obviously identified. This framework provides an effective way to reveal the 3D urban structure in a more intuitive and clearer way from various disordered urban buildings, which can be transferable to other cities and further facilitate sustainable planning and development of cities.

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Section: Discussionmentioning

confidence: 99%

A new hierarchical analysis framework of building heights: Towards a more intuitive understanding of 3D urban structure

Yang,

Zhou,

Yang

et al. 2023

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“…e common method of natural breaks is insu cient to identify the di erences between hotspots, and the traditional kernel density method is hard to quantitatively extract and express the hotspot peaks [38,39].…”

Section: Weighted Hotspot Detectionmentioning

confidence: 99%

Classification of Housing Submarkets considering Human Preference: A Case Study in Shenyang, China

Liu

Guo

Lei

et al. 2022

Mathematical Problems in Engineering

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Housing submarket is affected by the quality of public facilities in neighborhood. In this article, a three-step framework is proposed to classify the housing market in Shenyang city, China. The saliences of point of interest, POI, are used to quantify the degree of activities using social media data and merged into the model of density-field hotspot detector to extract high-quality of urban facilities, aiming at exploring the influences on the housing price. The multiscale geographically weighted regression model, MGWR, is applied to investigate relations between the housing price and attribute variables geographically and to identify multiscale impacts on the housing price with flexible bandwidths. The spatial “k”luster analysis by the tree edge removal method, SKATER, is applied to delimit urban housing submarkets based on the MGWR betas, where ten groups of the housing submarkets are recognized. The proposed classification method captures multiscale spatial heterogeneity of the housing price and predominant influencing factors for each housing submarket in Shenyang, China. It also offers suggestions for urban planners to restrain the unbalanced development of the housing market.

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“…As a kind of point geospatial big data representing real geographical entities, POI data have rich content and complete categories, covering all aspects of urban facilities. In addition, POI data have been widely used in urban space research [33,34]. Moreover, people increasingly purchase the services of living facilities through mobile phone applications, and relevant applications encourage users to evaluate their satisfaction with these living facilities.…”

Section: Literature Reviewmentioning

confidence: 99%

Service Quality Evaluation Model of Public Living Facilities in a Community

2022

Teh. vjesn.

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Accurate evaluating the service quality of public living facilities in a community by quantitative method is significant to urban planning. However, the performances of existing methods are usually limited for service quality evaluation due to single data source or single index. To solve the above problems, we propose a service quality evaluation model of public living facilities in a community. Firstly, POI data and subjective residents' satisfaction evaluation data was pre-processed for data preparation. Then, the four evaluation indicators included in the model were established, namely, accessibility, diversity, selectivity, and satisfaction. Finally, after the completion of the calculation of the four indexes, standardized processing of the calculation results was performed, and the entropy method was used to assign different weights to the indexes, thereby achieving the quantitative evaluation of the service quality of community public living facilities. We chose the central urban area of Chengdu, China, as a case study for modeling analysis, and the case study successfully estimated the service quality and spatial difference of community living facilities. The results of this model can provide a reliable basis for future urban planning and the location of commercial facilities.

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Inference method for cultural diffusion patterns using a field model

Cited by 11 publications

References 51 publications

A new hierarchical analysis framework of building heights: Towards a more intuitive understanding of 3D urban structure

A new hierarchical analysis framework of building heights: Towards a more intuitive understanding of 3D urban structure

Classification of Housing Submarkets considering Human Preference: A Case Study in Shenyang, China

Service Quality Evaluation Model of Public Living Facilities in a Community

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