A Novel Method for Laser Peak Detection with Subpixel Accuracy for the Rail Corrugation Measurement

Table 4

Specification of the proposed corrugation measurement prototype and the range of scales.

Parameters	Value
Camera resolution	pixels
Camera type	Canon 500D
Camera focal length @ 24 mm	5106 and 5107 pixels
	and direction
Laser wave length	685 nm
Laser diameter	2 mm
Angle between laser and camera,	42 degrees
Working range,	35 cm
Working range,	55 cm
Range of scales,	10.5 pixels
Range of scales,	21.5 pixels