Spacecraft Recovery & Remote Sensing, Volume. 45, Issue 1, 29(2024)
Research on Typical Railway Facilities Extraction Method Based on Comprehensive Satellite Remote Sensing
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![Mask R-CNN[15]Mask R –CNN[15]](/Images/icon/loading.gif){kind=icon}
Table 1. Common dimensions of overhead contact line pillars
View tableView in ArticleTable 1. Common dimensions of overhead contact line pillars
支柱型号 柱顶尺寸/mm 柱底尺寸/mm G150/13；G200/13；G250/13 500×400 1 000×600 G200/15；G250/15；G300/15；G350/15；G400/15；G450/15；G500/15；G600/15 400×400 1 200×800 G250-250/15；G300-250/15；G350-250/15；G400-250/15；G450-250/15 400×400 1 200×1 200 GZ200/15；GZ250/15；GZ300/15；GZ350/15；GZ400/15；GZ450/15 400×300 800×600
Table 2. Beijing 3A satellite and TerraSAR-X satellite parameters
View tableView in ArticleTable 2. Beijing 3A satellite and TerraSAR-X satellite parameters
参数名称 “北京三号”A卫星 TerraSAR-X卫星 卫星轨道 太阳同步轨道 太阳同步轨道 轨道高度/km 499.703 7 514.8 空间分辨率/m 0.5（全色）； 2.0（多光谱） 3 幅宽 优于23 km 30 km×80 km 谱段 全色：450~700 nm； 蓝：450~520 nm； 绿：520~590 nm； 红：630~690 nm； 近红外：770~890 nm 飞行方向 升轨 极化方式 HH 重访周期 4 d 11 d 影像采集日期 2022年4月 2022年4月
Table 3. Extracting results from different images within the validation area
View tableView in ArticleTable 3. Extracting results from different images within the validation area
影像类别 实际接触网数量/根 正确提取接触网数量/根 接触网立柱提取准确率/% 光学遥感影像 120 107 89.17 SAR影像 120 100 83.33 光SAR融合影像 120 111 92.50
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Muce YUAN, Jingchuan YAO, Guohui JIAN, Jiliang GUO, Zhifeng XIE. Research on Typical Railway Facilities Extraction Method Based on Comprehensive Satellite Remote Sensing[J]. Spacecraft Recovery & Remote Sensing, 2024, 45(1): 29
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Received: Dec. 11, 2023
Accepted: Dec. 19, 2023
Published Online: Apr. 22, 2024
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