In wheel set online detection based on structured light interception image technique

due to the space restraint

it made the wheel set light-section curves acquired are heavily distorted. Wheel set profile curve taken by camera has serious distortion

so camera calibration method and calibration precision will directly affect wheel set parameters online detection result. Combining with practical situation

the calibration system is analyzed and designed and propose a new camera calibration algorithm which is based on the coefficient of plane equation

camera calibration work is realized. It is verified that the calibration precision of the calibration system is within0. 1 mm

it meet the demands for wheel set online detection.