数据库包括地图数据、遥感影像数据、文档数据、照片数据、数字高程模型以及各类数据的元数据信息。
The remote sensing datum, map datum, photo datum, document datum, DEM, and meta-data are included in the database.
摘要：提出了一种融合像元-多尺度物件级特征的高解析度遥感影像道路中心线提取方法。
Abstract: a novel approach for road centerline extraction from high spatial resolution satellite imagery is proposed by fusing both pixel-based and object-based features.
为提高中分辨率遥感影像在城市研究中的应用，必须解决混合像元分解的问题。
To improve the accuracy of Medium-Resolution image in urban studies, we must solve the problem of decomposition for the mixed pixel.
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