With the development of the photogrammetry and remote sensing, people can obtain abundant spacial information.

随着摄影测量和遥感技术的发展, 人们可以获取丰富的空间信息.

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DSM extraction is one of the most important techniques in photogrammetry and remote sensing.

摘要DSM的自动提取是“数字摄影测量”的最重要技术之一,其关键就是全自动影像匹配.

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