基于路网数据和复杂图论的中国城市交通布局评价
摘要城市化的快速发展推动了我国城市道路网的不断扩张和发展。城市道路网是一个动态、开放、自组织的空间复杂网络,构成了城市的结构框架,研究城市道路网的结构特征对路网规划和城市建设有着重要的应用价值。在国内城市道路网络结构特征的相关研究中,很少有学者基于道路走向的视角对整个城市路网结构进行研究,也缺少对全
摘要城市化的快速发展推动了我国城市道路网的不断扩张和发展。城市道路网是一个动态、开放、自组织的空间复杂网络,构成了城市的结构框架,研究城市道路网的结构特征对路网规划和城市建设有着重要的应用价值。在国内城市道路网络结构特征的相关研究中,很少有学者基于道路走向的视角对整个城市路网结构进行研究,也缺少对全
AbstractSpatiotemporal data fusion is a cost-effective way to produce remote sensing images with high spatial and temporal resolutions using multisour
AbstractHuman perception of place refers to residents’ psychological feelings about urban areas. Many studies of human perceptions have focused on a s
AbstractSensing urban greenness from street view data offers a new and alternative way of measuring the association between greenness exposure and su
AbstractOpen spaces (OSs) in urban areas play a vital role in providing space for habitat conservation and recreation, improving the mental health of
AbstractEmpirical data are limited to decipher where people live and work in large cities; however, neighborhood information, such as street view imag
AbstractUrban perception is a hot topic in current urban study and plays a positive role in urban planning and design. At present, there are two metho
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AbstractPrevious literature has examined the relationship between the amount of green space and perceived safety in urban areas, but little is known a
摘要针对高分辨率遥感影像中地物的复杂性和多变性带来的地物提取难点,提出了一种基于多层次规则的面向对象的典型地物提取方法。改进了基于区域增长的影像分割方法,利用小区域内的全局最优策略进行初始增长,避开了种子点的选择。利用影像分割得到的影像对象作为地物提取的基元,针对影像上典型地物选择提取特征 ,利用多