The conceptual modeling elements and mutual relations between them are discussed and some key technical problems are identified in the development of feature based temporal - spatial data models.

讨论了基于特征的概念模型要素及相互关系；提出了基于特征的时空数据模型所面临的关键技术。

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A product correlation algorithm of image registration based on feature and spatial-temporal correlation was presented.

提出了基于特征和时空关联的积相关图像匹配算法。

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