| 摘要 |
PROBLEM TO BE SOLVED: To provide a distance image acquisition system for track which is disposed under the floor of a vehicle, acquires image information for use in inspecting abnormality of a device, in a vicinity of the tracks such as a rail fastening device, a fish plate and a track pad, and can properly determine a failure.SOLUTION: The system includes a laser slit light source 2, provided within a plane vertical with respect to a rail tread 24 for emitting a laser slit light 11 within the vertical plane; a two-dimensional imaging device 2, provided at an angle with respect to the vertical plane for acquiring a light-section image by the laser slit light 11; and an image signal processing apparatus 3 for generating a distance image, based on a distance from the two-dimensional imaging device 2 based on the acquired light-section image. |
