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- 2018
室内地标提取的POI显著度定量评价模型
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Abstract:
室内地标在室内位置信息服务（location based service，LBS）中发挥着重要作用。针对室外地标提取方法不能完全适用于更为复杂的室内环境的问题，提出了一种显著度定量评价模型用于在室内环境中提取地标。以大型商场的室内环境为研究对象，从视觉、认知、空间3个方面分析影响室内兴趣点（point of interest，POI）显著性的主要因素，并用这些因素构建了室内POI整体显著度评价模型。选择武汉市群光购物中心室内的POI数据进行显著度计算，依据显著度的差异性提取了多层地标，反映不同粒度的室内区域空间知识。提取的多层地标可以作为室内智能导航系统中的重要标识，为在复杂的大型商场内实现快速寻路、多粒度路径导引提供关键线索
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