Method and system for acquiring railway track data based on railway track detection device
The embodiment of the invention provides a method and system for acquiring railway track data based on a railway track detection device, and belongs to the field of non-contact detection of rail transit. Target balls are arranged at different positions on the inner side of a track of a to-be-detecte...
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| creator | YIN TAIJUN CAO HAIBIN ZENG SHAN YAN DALONG FANG JIE WANG XIYUN |
| description | The embodiment of the invention provides a method and system for acquiring railway track data based on a railway track detection device, and belongs to the field of non-contact detection of rail transit. Target balls are arranged at different positions on the inner side of a track of a to-be-detected area of the railway track, and the method comprises the following steps: acquiring pose data under a combined navigation coordinate system, contour data under a laser scanner coordinate system and calibration parameters among a plurality of laser scanners, and converting the contour data under the laser scanner coordinate system into a combined navigation coordinate system, and fusing the combined pose data to obtain coordinate data of the railway track. Thus, the calibration parameters are determined by arranging the centers of the target balls at different positions on the inner side of the track of the to-be-detected area, synchronization of the multiple laser scanners is achieved based on the calibration para |
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Target balls are arranged at different positions on the inner side of a track of a to-be-detected area of the railway track, and the method comprises the following steps: acquiring pose data under a combined navigation coordinate system, contour data under a laser scanner coordinate system and calibration parameters among a plurality of laser scanners, and converting the contour data under the laser scanner coordinate system into a combined navigation coordinate system, and fusing the combined pose data to obtain coordinate data of the railway track. 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| subjects | ANALOGOUS ARRANGEMENTS USING OTHER WAVES DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION TESTING |
| title | Method and system for acquiring railway track data based on railway track detection device |
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