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1∶5 0 0 0比例尺城市用地和建筑物分类制图是目前城市规划和管理领域迫切需要的基本图件之一。本文从该图件对机载成像光谱图像数据的客观要求出发 ,介绍了一种新的城市基础信息采集系统的组成、应解决的关键技术问题、所采集的成像光谱数据的几何和分类精度及实际生产作业效果
1: 5 0 0 0 Scale City Classification of Land and Buildings Cartography is one of the basic maps urgently needed in the field of urban planning and management. Based on the objective requirements of the map for on-board imaging spectral data, this paper introduces the composition of a new city-based information acquisition system, the key technical issues to be solved, the geometric and classification accuracy of the acquired imaging spectral data, The actual production job results