基于延时数字摄影测量的积雪过程4D监测技术研究
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Snow surface monitoring from 4D structure from motion photogrammetry
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图8. 利用摄影测量获取斑块雪面表面高程数据 |
Fig. 8. The snow surface features and their corresponding DEM derived by 4D SfM photogrammetry: wavy wind blown snow surface (a); fresh snow surface DEM (b); snow waves formed after blowing snow event (c); DEM corresponding to wavy wind blown snow waves (d); blowing snow erosion formed snow bedforms (e); DEM of snow bedforms (f); melting snow surface (g); DEM of melting snow surface (h) |
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