Research on Typical Railway Facilities Extraction Method Based on Comprehensive Satellite Remote Sensing

Muce YUAN; Jingchuan YAO; Guohui JIAN; Jiliang GUO; Zhifeng XIE

doi:10.3969/j.issn.1009-8518.2024.01.003

Journals >Spacecraft Recovery & Remote Sensing >Volume 45 >Issue 1 >Page 29 > Article

Spacecraft Recovery & Remote Sensing
Vol. 45, Issue 1, 29 (2024)

Research on Typical Railway Facilities Extraction Method Based on Comprehensive Satellite Remote Sensing

Muce YUAN^1、3, Jingchuan YAO^1、2, Guohui JIAN^1、3, Jiliang GUO³, and Zhifeng XIE³

Author Affiliations

¹Railway Engineering Research Institute, China Academy of Railway Sciences Corporation Limited, Beijing 100081, China

²State Key Laboratory for Track System of High-speed Railway, CARS, Beijing 100081, China

³Beijing Tieke Inspection Co Ltd., Beijing 100081, China

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DOI: 10.3969/j.issn.1009-8518.2024.01.003 Cite this Article

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 Copy Citation Text

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Fig. 1. Mask R-CNN^[15]Mask R –CNN^[15]

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Fig. 2. [in Chinese]

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Fig. 3. [in Chinese]

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Fig. 4. [in Chinese]

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Fig. 5. [in Chinese]

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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 1. Common dimensions of overhead contact line pillars

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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 2. Beijing 3A satellite and TerraSAR-X satellite parameters

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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

Table 3. Extracting results from different images within the validation area

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