Stereo image matching is the key link in extracting elevation information from SPOT data.

立体影像匹配是自动提取SPOT影像高程信息的关键技术。

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The topographic map contains a large amount of elevation information, and is an important source of DEM data.

地形图中包含了大量的高程信息，是DEM数据的重要的来源。

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With that information, they created a digital elevation model to restore the landscape of 17th century Manhattan.

有了这些信息，他们制作出一个立体的数码模型，重建了17世纪时曼哈顿的景观。

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The camera also includes Intelligent IS and GPS photo tagging with location and elevation information to help plot exactly where your travels have taken you.

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