Cheng-cheng Tang

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Based on the recent work of Yang et al. [2011], we propose several intuitive tools to quickly create new architectural freeform shapes starting from a single input design, while conforming to a set of prescribed constraints and optimizing for specified quality measures. We allow the user to control the final shape by prescribing desirable curves on the(More)
Road accident hotspots Identification is important in road safety improvement project, especially in aspect of effective funds allotment. This paper presents a simple methodology called dynamic step filtration method to study the spatial patterns of accidents in a highway or a highway network. The dynamic step filtration analysis is improved from average(More)
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