[an error occurred while processing this directive]
基于Sentinel-1卫星数据的北极西北航道通航适宜性分析
周雪飞1(), 徐嘉2, 张绪冰1()
Navigable suitability analysis of the Arctic Northwest Passage based on Sentinel-1 satellite data
Xuefei ZHOU1(), Jia XU2, Xubing ZHANG1()

图5. 海冰阈值分割

Fig. 5. Sea ice threshold segmentation: sea ice and sea water grayscale histograms (a) and sea ice visual interpretation (b)