Road Networks Winter Risk Estimation Using On-Board Uncooled Infrared Camera for Surface Temperature Measurements over Two Lanes

Table 2

Characteristics of FLIR S65 camera.

Detector type	Microbolometer detector uncooled IRFPA of 320×240 sensitive elements
Spectral bandwidth	7.5–13 μm
Thermal range used	−40°C to +120°C
Sensitivity (NETD)	0.08°C
Accuracy	±2% of the measurement
FOV	24^∘×18^∘ (H×V) (focal lens 35 mm)
IFOV	1.3 mrad
Image acquisition frequency	Max 1.6 Hz (see text for details)
Video output	Up to 50 Hz non interlaced