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3. 利用DOD获取的2020年11月21日积雪分布及雪深分布频率 |
Fig. 3. The spatial distribution of snow depth and distribution frequency of snow depth calculated based on DOD data, on November 21, 2020: spatial distribution of snow depth (a); distribution frequency of snow depth (b) |
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