基于Sentinel-1卫星数据的北极西北航道通航适宜性分析
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周雪飞 1( ), 徐嘉 2, 张绪冰 1( )
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Navigable suitability analysis of the Arctic Northwest Passage based on Sentinel-1 satellite data
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Xuefei ZHOU 1( ), Jia XU 2, Xubing ZHANG 1( )
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图5. 海冰阈值分割
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Fig. 5. Sea ice threshold segmentation: sea ice and sea water grayscale histograms (a) and sea ice visual interpretation (b)
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