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Toshikazu Seto, Hiroshi Kanasugi and Yuichiro Nishimura
Although the data obtained from volunteered geographic information (VGI) are inherently different from public surveys, the quantity of the data are vast and the quality of the data are often poor. To improve the quality of VGI data, the positional accura...
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Takehiro Kashiyama, Yoshihide Sekimoto, Toshikazu Seto and Ko Ko Lwin
Shortages of engineers and financial resources have made it difficult for municipalities to identify and address problems with aging road infrastructures. To resolve these problems, numerous studies have focused on automating road inspection, including a...
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Toshikazu Seto and Yoshihide Sekimoto
Infrastructure management has become a serious problem in many cities. However, the monitoring of daily urban infrastructure requires active feedback, not only by municipal government officers, but also by citizens. In this study, we analyzed Chiba City?...
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