Application of Terrestrial Laserscanning in Establishing High Resolution DEM

WANG Yifeng， ZHANG Pingcang

Journal of Changjiang River Scientific Research Institute ›› 2008, Vol. 25 ›› Issue (3) : 104-106.

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Journal of Changjiang River Scientific Research Institute ›› 2008, Vol. 25 ›› Issue (3) : 104-106.

HEALTHY CHANGJIANG RIVER

Application of Terrestrial Laserscanning in Establishing High Resolution DEM

WANG Yifeng， ZHANG Pingcang

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Abstract

A new data acquisition technology of high resolution DEM is presented. The terrestrial laserscanning (TLS) system is used to capture data of point clouds. A high resolution DEM is created by data processing. Then the registration error is evaluated. The practice of the TLS system has demonstrated that this new technique can be used in creating high resolution DEM of a small watershed.

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3D laser scanning / DEM / small watershed / point cloud

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WANG Yifeng， ZHANG Pingcang. Application of Terrestrial Laserscanning in Establishing High Resolution DEM[J]. Journal of Changjiang River Scientific Research Institute. 2008, 25(3): 104-106