Network Rail’s Air Operations team has been testing a powerful new camera system that combines high-resolution photography ...

two RGB cameras with overlapping right- and left-looking view directions, and one camera in the near-infrared (NIR) wavelength. The cameras are housed in a sensor unit along with an inertial ...

The equipment costs 10 to 20 times more than NIR sensors, and 100 times or more than RGB cameras. Additionally, maintenance and computing requirements for HSI are substantially higher, further ...