isprs archives XLII 1 W1 35 2017
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This is due essentially to the different nature of the two DSMs (SRTM is SAR-based, ASTER is optical-based) and it could lead to make some assumptions about an optimum
The International Society for Photogrammetry and Remote Sensing (ISPRS), in order to assess the accuracy and reliability of current methods for DSMs generation from images acquired
In order to observe small changes in the data, one needs a more accurate global positioning, in the range of the accuracy of the laser scanner. This can be obtained using a field
Experiment 2: The images of two areas (Beijing and Henan) and different accuracy DEMs (include global DEM with 1 km grid, SRTM with 90m grid and ASTER GDEM V2 with 30m grid) are
High accuracy digital surface Model (DSMs) can be generated from the three line-array images of ZY-3, and ZY-3 DSMs of China can be produced without using any ground control
contains "non iron" element. 3) Craters which are extracted correctly, are divided into two types: simple type and complex type.. according to their
The orbiter will first carry the descent module into Martian orbit. When the landing time is reached, the descent module will be separated from the orbiter
KEY WORDS: VBLS, point cloud, virtual path, line extraction, line segments cluster, overcrossing bridge
