Tropical Geography ›› 2020, Vol. 40 ›› Issue (5): 919-929.doi: 10.13284/j.cnki.rddl.003272
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Ying Liu1(), Yuan Yuan1(
), Hanfa Xing2, Yuan Meng2, Tong Niu1
Received:
2020-01-05
Revised:
2020-04-21
Online:
2020-09-28
Published:
2020-10-10
Contact:
Yuan Yuan
E-mail:liuy575@mail2.sysu.edu.cn;yyuanah@163.com
CLC Number:
Ying Liu, Yuan Yuan, Hanfa Xing, Yuan Meng, Tong Niu. The Applicability of Street View Images to Identify Urban Poverty in the Central Urban Region of Guangzhou[J].Tropical Geography, 2020, 40(5): 919-929.
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Table 3
The street view indicators and main factor feature values, explanation contribution, rotating component load matrix"
域 | 指标 | 主因子 | |||
---|---|---|---|---|---|
一 | 二 | 三 | 四 | ||
天空开敞度 | 0°水平视角 | -0.451 | -0.294 | 0.819 | -0.106 |
20°仰角 | -0.373 | -0.334 | 0.843 | -0.161 | |
绿视率 | 0°水平视角 | -0.157 | 0.939 | -0.173 | -0.019 |
20°仰角 | -0.022 | 0.921 | -0.287 | -0.142 | |
路面占比 | 0°水平视角 | -0.159 | -0.063 | 0.599 | 0.731 |
20°仰角 | -0.175 | -0.142 | 0.031 | 0.952 | |
建筑占比 | 0°水平视角 | 0.827 | -0.433 | -0.247 | -0.193 |
20°仰角 | 0.829 | -0.468 | -0.219 | -0.071 | |
界面围合度 | 0°水平视角 | 0.782 | 0.323 | -0.418 | -0.237 |
20°仰角 | 0.693 | 0.461 | -0.452 | -0.181 | |
主因子特征值 | 2.58 | 2.43 | 1.61 | 1.52 | |
主因子贡献值/% | 48.01 | 29.42 | 13.01 | 4.88 | |
主因子累计贡献值/% | 48.01 | 77.43 | 90.44 | 95.32 |
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